Mercurial > libervia-backend
annotate sat_frontends/jp/common.py @ 3000:d603550d5e99
jp (blog/preview): fixed watch restoring when file is moved/deleted:
with some editors (e.g. vim), when file is written it is actually replaced with a buffered
one. In this case, jp replace the watch to check the new file, but it was not working
anymore with latest version of inotify module. This patch fixes it by removing the old watch
before adding a new one.
author | Goffi <goffi@goffi.org> |
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date | Fri, 12 Jul 2019 11:29:05 +0200 |
parents | d9491cb81726 |
children | ab2696e34d29 |
rev | line source |
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1 #!/usr/bin/env python2 |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # jp: a SàT command line tool |
2771 | 5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org) |
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6 |
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7 # This program is free software: you can redistribute it and/or modify |
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8 # it under the terms of the GNU Affero General Public License as published by |
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9 # the Free Software Foundation, either version 3 of the License, or |
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10 # (at your option) any later version. |
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11 |
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12 # This program is distributed in the hope that it will be useful, |
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 # GNU Affero General Public License for more details. |
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16 |
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17 # You should have received a copy of the GNU Affero General Public License |
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 |
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20 from sat_frontends.jp.constants import Const as C |
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21 from sat.core.i18n import _ |
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22 from sat.core import exceptions |
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23 from sat.tools.common import regex |
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24 from sat.tools.common.ansi import ANSI as A |
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25 from sat.tools.common import uri as xmpp_uri |
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26 from sat.tools import config |
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27 from ConfigParser import NoSectionError, NoOptionError |
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28 from collections import namedtuple |
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29 from functools import partial |
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30 import json |
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31 import os |
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32 import os.path |
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33 import time |
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34 import tempfile |
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35 import subprocess |
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36 import glob |
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37 import shlex |
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38 |
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39 # defaut arguments used for some known editors (editing with metadata) |
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40 VIM_SPLIT_ARGS = "-c 'set nospr|vsplit|wincmd w|next|wincmd w'" |
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41 EMACS_SPLIT_ARGS = '--eval "(split-window-horizontally)"' |
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42 EDITOR_ARGS_MAGIC = { |
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43 "vim": VIM_SPLIT_ARGS + " {content_file} {metadata_file}", |
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44 "gvim": VIM_SPLIT_ARGS + " --nofork {content_file} {metadata_file}", |
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45 "emacs": EMACS_SPLIT_ARGS + " {content_file} {metadata_file}", |
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46 "xemacs": EMACS_SPLIT_ARGS + " {content_file} {metadata_file}", |
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47 "nano": " -F {content_file} {metadata_file}", |
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48 } |
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49 |
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50 SECURE_UNLINK_MAX = 10 |
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51 SECURE_UNLINK_DIR = ".backup" |
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52 METADATA_SUFF = "_metadata.json" |
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53 |
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54 |
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55 def ansi_ljust(s, width): |
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56 """ljust method handling ANSI escape codes""" |
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57 cleaned = regex.ansiRemove(s) |
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58 return s + u" " * (width - len(cleaned)) |
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59 |
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60 |
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61 def ansi_center(s, width): |
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62 """ljust method handling ANSI escape codes""" |
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63 cleaned = regex.ansiRemove(s) |
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64 diff = width - len(cleaned) |
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65 half = diff / 2 |
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66 return half * u" " + s + (half + diff % 2) * u" " |
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67 |
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68 |
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69 def ansi_rjust(s, width): |
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70 """ljust method handling ANSI escape codes""" |
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71 cleaned = regex.ansiRemove(s) |
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72 return u" " * (width - len(cleaned)) + s |
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73 |
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74 |
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75 def getTmpDir(sat_conf, cat_dir, sub_dir=None): |
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76 """Return directory used to store temporary files |
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77 |
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78 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
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79 @param cat_dir(unicode): directory of the category (e.g. "blog") |
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80 @param sub_dir(str): sub directory where data need to be put |
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81 profile can be used here, or special directory name |
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82 sub_dir will be escaped to be usable in path (use regex.pathUnescape to find |
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83 initial str) |
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84 @return (str): path to the dir |
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85 """ |
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86 local_dir = config.getConfig(sat_conf, "", "local_dir", Exception) |
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87 path = [local_dir.encode("utf-8"), cat_dir.encode("utf-8")] |
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88 if sub_dir is not None: |
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89 path.append(regex.pathEscape(sub_dir)) |
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90 return os.path.join(*path) |
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91 |
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92 |
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93 def parse_args(host, cmd_line, **format_kw): |
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94 """Parse command arguments |
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95 |
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96 @param cmd_line(unicode): command line as found in sat.conf |
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97 @param format_kw: keywords used for formating |
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98 @return (list(unicode)): list of arguments to pass to subprocess function |
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99 """ |
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100 try: |
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101 # we split the arguments and add the known fields |
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102 # we split arguments first to avoid escaping issues in file names |
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103 return [a.format(**format_kw) for a in shlex.split(cmd_line)] |
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104 except ValueError as e: |
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105 host.disp( |
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106 u"Couldn't parse editor cmd [{cmd}]: {reason}".format(cmd=cmd_line, reason=e) |
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107 ) |
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108 return [] |
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109 |
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110 |
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111 class BaseEdit(object): |
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112 u"""base class for editing commands |
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113 |
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114 This class allows to edit file for PubSub or something else. |
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115 It works with temporary files in SàT local_dir, in a "cat_dir" subdir |
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116 """ |
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117 |
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118 def __init__(self, host, cat_dir, use_metadata=False): |
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119 """ |
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120 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
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121 @param cat_dir(unicode): directory to use for drafts |
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122 this will be a sub-directory of SàT's local_dir |
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123 @param use_metadata(bool): True is edition need a second file for metadata |
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124 most of signature change with use_metadata with an additional metadata argument. |
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125 This is done to raise error if a command needs metadata but forget the flag, and vice versa |
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126 """ |
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127 self.host = host |
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128 self.sat_conf = config.parseMainConf() |
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129 self.cat_dir_str = cat_dir.encode("utf-8") |
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130 self.use_metadata = use_metadata |
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131 |
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132 def secureUnlink(self, path): |
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133 """Unlink given path after keeping it for a while |
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134 |
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135 This method is used to prevent accidental deletion of a draft |
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136 If there are more file in SECURE_UNLINK_DIR than SECURE_UNLINK_MAX, |
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137 older file are deleted |
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138 @param path(str): file to unlink |
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139 """ |
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140 if not os.path.isfile(path): |
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141 raise OSError(u"path must link to a regular file") |
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142 if not path.startswith(getTmpDir(self.sat_conf, self.cat_dir_str)): |
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143 self.disp( |
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144 u"File {} is not in SàT temporary hierarchy, we do not remove it".format( |
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145 path.decode("utf-8") |
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146 ), |
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147 2, |
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148 ) |
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149 return |
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150 # we have 2 files per draft with use_metadata, so we double max |
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151 unlink_max = SECURE_UNLINK_MAX * 2 if self.use_metadata else SECURE_UNLINK_MAX |
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152 backup_dir = getTmpDir(self.sat_conf, self.cat_dir_str, SECURE_UNLINK_DIR) |
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153 if not os.path.exists(backup_dir): |
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154 os.makedirs(backup_dir) |
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155 filename = os.path.basename(path) |
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156 backup_path = os.path.join(backup_dir, filename) |
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157 # we move file to backup dir |
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158 self.host.disp( |
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159 u"Backuping file {src} to {dst}".format( |
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160 src=path.decode("utf-8"), dst=backup_path.decode("utf-8") |
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161 ), |
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162 1, |
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163 ) |
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164 os.rename(path, backup_path) |
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165 # and if we exceeded the limit, we remove older file |
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166 backup_files = [os.path.join(backup_dir, f) for f in os.listdir(backup_dir)] |
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167 if len(backup_files) > unlink_max: |
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168 backup_files.sort(key=lambda path: os.stat(path).st_mtime) |
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169 for path in backup_files[: len(backup_files) - unlink_max]: |
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170 self.host.disp(u"Purging backup file {}".format(path.decode("utf-8")), 2) |
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171 os.unlink(path) |
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172 |
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173 def runEditor( |
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174 self, |
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175 editor_args_opt, |
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176 content_file_path, |
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177 content_file_obj, |
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178 meta_file_path=None, |
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179 meta_ori=None, |
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180 ): |
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181 """run editor to edit content and metadata |
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182 |
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183 @param editor_args_opt(unicode): option in [jp] section in configuration for |
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184 specific args |
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185 @param content_file_path(str): path to the content file |
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186 @param content_file_obj(file): opened file instance |
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187 @param meta_file_path(str, None): metadata file path |
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188 if None metadata will not be used |
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189 @param meta_ori(dict, None): original cotent of metadata |
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190 can't be used if use_metadata is False |
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191 """ |
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192 if not self.use_metadata: |
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193 assert meta_file_path is None |
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194 assert meta_ori is None |
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195 |
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196 # we calculate hashes to check for modifications |
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197 import hashlib |
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198 |
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199 content_file_obj.seek(0) |
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200 tmp_ori_hash = hashlib.sha1(content_file_obj.read()).digest() |
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201 content_file_obj.close() |
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202 |
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203 # we prepare arguments |
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204 editor = config.getConfig(self.sat_conf, "jp", "editor") or os.getenv( |
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205 "EDITOR", "vi" |
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206 ) |
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207 try: |
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208 # is there custom arguments in sat.conf ? |
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209 editor_args = config.getConfig( |
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210 self.sat_conf, "jp", editor_args_opt, Exception |
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211 ) |
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212 except (NoOptionError, NoSectionError): |
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213 # no, we check if we know the editor and have special arguments |
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214 if self.use_metadata: |
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215 editor_args = EDITOR_ARGS_MAGIC.get(os.path.basename(editor), "") |
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216 else: |
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217 editor_args = "" |
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218 parse_kwargs = {"content_file": content_file_path} |
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219 if self.use_metadata: |
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220 parse_kwargs["metadata_file"] = meta_file_path |
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221 args = parse_args(self.host, editor_args, **parse_kwargs) |
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222 if not args: |
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223 args = [content_file_path] |
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224 |
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225 # actual editing |
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226 editor_exit = subprocess.call([editor] + args) |
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227 |
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228 # edition will now be checked, and data will be sent if it was a success |
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229 if editor_exit != 0: |
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230 self.disp( |
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231 u"Editor exited with an error code, so temporary file has not be deleted, and item is not published.\nYou can find temporary file at {path}".format( |
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232 path=content_file_path |
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233 ), |
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234 error=True, |
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235 ) |
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236 else: |
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237 # main content |
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238 try: |
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239 with open(content_file_path, "rb") as f: |
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240 content = f.read() |
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241 except (OSError, IOError): |
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242 self.disp( |
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243 u"Can read file at {content_path}, have it been deleted?\nCancelling edition".format( |
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244 content_path=content_file_path |
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245 ), |
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246 error=True, |
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247 ) |
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248 self.host.quit(C.EXIT_NOT_FOUND) |
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249 |
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250 # metadata |
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251 if self.use_metadata: |
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252 try: |
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253 with open(meta_file_path, "rb") as f: |
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254 metadata = json.load(f) |
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255 except (OSError, IOError): |
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256 self.disp( |
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257 u"Can read file at {meta_file_path}, have it been deleted?\nCancelling edition".format( |
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258 content_path=content_file_path, meta_path=meta_file_path |
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259 ), |
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260 error=True, |
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261 ) |
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262 self.host.quit(C.EXIT_NOT_FOUND) |
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263 except ValueError: |
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264 self.disp( |
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265 u"Can't parse metadata, please check it is correct JSON format. Cancelling edition.\n" |
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266 + "You can find tmp file at {content_path} and temporary meta file at {meta_path}.".format( |
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267 content_path=content_file_path, meta_path=meta_file_path |
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268 ), |
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269 error=True, |
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270 ) |
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271 self.host.quit(C.EXIT_DATA_ERROR) |
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272 |
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273 if self.use_metadata and not metadata.get("publish", True): |
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274 self.disp( |
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275 u'Publication blocked by "publish" key in metadata, cancelling edition.\n\n' |
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276 + "temporary file path:\t{content_path}\nmetadata file path:\t{meta_path}".format( |
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277 content_path=content_file_path, meta_path=meta_file_path |
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278 ), |
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279 error=True, |
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280 ) |
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281 self.host.quit() |
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282 |
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283 if len(content) == 0: |
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284 self.disp(u"Content is empty, cancelling the edition") |
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285 if not content_file_path.startswith( |
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286 getTmpDir(self.sat_conf, self.cat_dir_str) |
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287 ): |
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288 self.disp( |
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289 u"File are not in SàT temporary hierarchy, we do not remove them", |
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290 2, |
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291 ) |
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292 self.host.quit() |
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293 self.disp(u"Deletion of {}".format(content_file_path.decode("utf-8")), 2) |
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294 os.unlink(content_file_path) |
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295 if self.use_metadata: |
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296 self.disp(u"Deletion of {}".format(meta_file_path.decode("utf-8")), 2) |
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297 os.unlink(meta_file_path) |
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298 self.host.quit() |
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299 |
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300 # time to re-check the hash |
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301 elif tmp_ori_hash == hashlib.sha1(content).digest() and ( |
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302 not self.use_metadata or meta_ori == metadata |
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303 ): |
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304 self.disp(u"The content has not been modified, cancelling the edition") |
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305 self.host.quit() |
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306 |
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307 else: |
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308 # we can now send the item |
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309 content = content.decode("utf-8-sig") # we use utf-8-sig to avoid BOM |
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310 try: |
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311 if self.use_metadata: |
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312 self.publish(content, metadata) |
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313 else: |
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314 self.publish(content) |
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315 except Exception as e: |
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316 if self.use_metadata: |
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317 self.disp( |
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318 u"Error while sending your item, the temporary files have been kept at {content_path} and {meta_path}: {reason}".format( |
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319 content_path=content_file_path, |
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320 meta_path=meta_file_path, |
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321 reason=e, |
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322 ), |
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323 error=True, |
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324 ) |
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325 else: |
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326 self.disp( |
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327 u"Error while sending your item, the temporary file has been kept at {content_path}: {reason}".format( |
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328 content_path=content_file_path, reason=e |
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329 ), |
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330 error=True, |
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331 ) |
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332 self.host.quit(1) |
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333 |
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334 self.secureUnlink(content_file_path) |
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335 if self.use_metadata: |
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336 self.secureUnlink(meta_file_path) |
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337 |
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338 def publish(self, content): |
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339 # if metadata is needed, publish will be called with it last argument |
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340 raise NotImplementedError |
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341 |
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342 def getTmpFile(self): |
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343 """Create a temporary file |
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344 |
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345 @param suff (str): suffix to use for the filename |
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346 @return (tuple(file, str)): opened (w+b) file object and file path |
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347 """ |
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348 suff = "." + self.getTmpSuff() |
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349 cat_dir_str = self.cat_dir_str |
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350 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir_str, self.profile.encode("utf-8")) |
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351 if not os.path.exists(tmp_dir): |
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352 try: |
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353 os.makedirs(tmp_dir) |
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354 except OSError as e: |
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355 self.disp( |
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356 u"Can't create {path} directory: {reason}".format( |
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357 path=tmp_dir, reason=e |
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358 ), |
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359 error=True, |
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360 ) |
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361 self.host.quit(1) |
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362 try: |
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363 fd, path = tempfile.mkstemp( |
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364 suffix=suff.encode("utf-8"), |
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365 prefix=time.strftime(cat_dir_str + "_%Y-%m-%d_%H:%M:%S_"), |
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366 dir=tmp_dir, |
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367 text=True, |
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368 ) |
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369 return os.fdopen(fd, "w+b"), path |
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370 except OSError as e: |
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371 self.disp( |
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372 u"Can't create temporary file: {reason}".format(reason=e), error=True |
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373 ) |
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374 self.host.quit(1) |
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375 |
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376 def getCurrentFile(self, profile): |
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377 """Get most recently edited file |
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378 |
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379 @param profile(unicode): profile linked to the draft |
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380 @return(str): full path of current file |
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381 """ |
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382 # we guess the item currently edited by choosing |
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383 # the most recent file corresponding to temp file pattern |
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384 # in tmp_dir, excluding metadata files |
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385 cat_dir_str = self.cat_dir_str |
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386 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir_str, profile.encode("utf-8")) |
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387 available = [ |
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388 path |
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389 for path in glob.glob(os.path.join(tmp_dir, cat_dir_str + "_*")) |
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390 if not path.endswith(METADATA_SUFF) |
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391 ] |
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392 if not available: |
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393 self.disp( |
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394 u"Could not find any content draft in {path}".format(path=tmp_dir), |
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395 error=True, |
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396 ) |
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397 self.host.quit(1) |
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398 return max(available, key=lambda path: os.stat(path).st_mtime) |
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399 |
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400 def getItemData(self, service, node, item): |
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401 """return formatted content, metadata (or not if use_metadata is false), and item id""" |
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402 raise NotImplementedError |
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403 |
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404 def getTmpSuff(self): |
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405 """return suffix used for content file""" |
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406 return u"xml" |
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407 |
2532 | 408 def getItemPath(self): |
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409 """retrieve item path (i.e. service and node) from item argument |
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410 |
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411 This method is obviously only useful for edition of PubSub based features |
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412 """ |
2532 | 413 service = self.args.service |
414 node = self.args.node | |
415 item = self.args.item | |
416 last_item = self.args.last_item | |
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417 |
2532 | 418 if self.args.current: |
419 # user wants to continue current draft | |
420 content_file_path = self.getCurrentFile(self.profile) | |
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421 self.disp(u"Continuing edition of current draft", 2) |
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422 content_file_obj = open(content_file_path, "r+b") |
2532 | 423 # we seek at the end of file in case of an item already exist |
424 # this will write content of the existing item at the end of the draft. | |
425 # This way no data should be lost. | |
426 content_file_obj.seek(0, os.SEEK_END) | |
427 elif self.args.draft_path: | |
428 # there is an existing draft that we use | |
429 content_file_path = os.path.expanduser(self.args.item) | |
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430 content_file_obj = open(content_file_path, "r+b") |
2532 | 431 # we seek at the end for the same reason as above |
432 content_file_obj.seek(0, os.SEEK_END) | |
433 else: | |
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434 # we need a temporary file |
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435 content_file_obj, content_file_path = self.getTmpFile() |
2532 | 436 |
437 if item or last_item: | |
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438 self.disp(u"Editing requested published item", 2) |
2532 | 439 try: |
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440 if self.use_metadata: |
2532 | 441 content, metadata, item = self.getItemData(service, node, item) |
442 else: | |
443 content, item = self.getItemData(service, node, item) | |
444 except Exception as e: | |
445 # FIXME: ugly but we have not good may to check errors in bridge | |
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446 if u"item-not-found" in unicode(e): |
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447 # item doesn't exist, we create a new one with requested id |
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448 metadata = None |
2532 | 449 if last_item: |
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450 self.disp(_(u"no item found at all, we create a new one"), 2) |
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451 else: |
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452 self.disp( |
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453 _( |
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454 u'item "{item_id}" not found, we create a new item with this id' |
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455 ).format(item_id=item), |
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456 2, |
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457 ) |
2532 | 458 content_file_obj.seek(0) |
459 else: | |
460 self.disp(u"Error while retrieving item: {}".format(e)) | |
461 self.host.quit(C.EXIT_ERROR) | |
462 else: | |
463 # item exists, we write content | |
464 if content_file_obj.tell() != 0: | |
465 # we already have a draft, | |
466 # we copy item content after it and add an indicator | |
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467 content_file_obj.write("\n*****\n") |
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468 content_file_obj.write(content.encode("utf-8")) |
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469 content_file_obj.seek(0) |
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470 self.disp( |
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471 _(u'item "{item_id}" found, we edit it').format(item_id=item), 2 |
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472 ) |
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473 else: |
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474 self.disp(u"Editing a new item", 2) |
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475 if self.use_metadata: |
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476 metadata = None |
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477 |
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478 if self.use_metadata: |
2532 | 479 return service, node, item, content_file_path, content_file_obj, metadata |
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480 else: |
2532 | 481 return service, node, item, content_file_path, content_file_obj |
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482 |
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483 |
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484 class Table(object): |
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485 def __init__(self, host, data, headers=None, filters=None, use_buffer=False): |
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486 """ |
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487 @param data(iterable[list]): table data |
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488 all lines must have the same number of columns |
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489 @param headers(iterable[unicode], None): names/titles of the columns |
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490 if not None, must have same number of columns as data |
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491 @param filters(iterable[(callable, unicode)], None): values filters |
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492 the callable will get 2 arguments: |
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493 - current column value |
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494 - RowData with all columns values |
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495 if may also only use 1 argument, which will then be current col value. |
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496 the callable must return a string |
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497 if it's unicode, it will be used with .format and must countain u'{}' which will be replaced with the string |
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498 if not None, must have same number of columns as data |
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499 @param use_buffer(bool): if True, bufferise output instead of printing it directly |
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500 """ |
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501 self.host = host |
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502 self._buffer = [] if use_buffer else None |
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503 # headers are columns names/titles, can be None |
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504 self.headers = headers |
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505 # sizes fof columns without headers, |
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506 # headers may be larger |
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507 self.sizes = [] |
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508 # rows countains one list per row with columns values |
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509 self.rows = [] |
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510 |
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511 size = None |
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512 if headers: |
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513 row_cls = namedtuple("RowData", headers) |
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514 else: |
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515 row_cls = tuple |
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516 |
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517 for row_data in data: |
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518 new_row = [] |
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519 row_data_list = list(row_data) |
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520 for idx, value in enumerate(row_data_list): |
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521 if filters is not None and filters[idx] is not None: |
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522 filter_ = filters[idx] |
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523 if isinstance(filter_, basestring): |
276e546b7619
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524 col_value = filter_.format(value) |
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525 else: |
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526 try: |
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|
527 col_value = filter_(value, row_cls(*row_data_list)) |
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528 except TypeError: |
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|
529 col_value = filter_(value) |
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530 # we count size without ANSI code as they will change length of the string |
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531 # when it's mostly style/color changes. |
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532 col_size = len(regex.ansiRemove(col_value)) |
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533 else: |
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|
534 col_value = unicode(value) |
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535 col_size = len(col_value) |
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|
536 new_row.append(col_value) |
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537 if size is None: |
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jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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|
538 self.sizes.append(col_size) |
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539 else: |
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|
540 self.sizes[idx] = max(self.sizes[idx], col_size) |
276e546b7619
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changeset
|
541 if size is None: |
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jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
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|
542 size = len(new_row) |
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jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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|
543 if headers is not None and len(headers) != size: |
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parents:
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|
544 raise exceptions.DataError(u"headers size is not coherent with rows") |
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Goffi <goffi@goffi.org>
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|
545 else: |
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changeset
|
546 if len(new_row) != size: |
2624
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parents:
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diff
changeset
|
547 raise exceptions.DataError(u"rows size is not coherent") |
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|
548 self.rows.append(new_row) |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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diff
changeset
|
549 |
2344
78ffb9ce57a4
jp (common): fixed empty table display when headers are specified
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parents:
2334
diff
changeset
|
550 if not data and headers is not None: |
2624
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parents:
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diff
changeset
|
551 # the table is empty, we print headers at their lenght |
2344
78ffb9ce57a4
jp (common): fixed empty table display when headers are specified
Goffi <goffi@goffi.org>
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changeset
|
552 self.sizes = [len(h) for h in headers] |
78ffb9ce57a4
jp (common): fixed empty table display when headers are specified
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
553 |
2345
c57bc0fe17d9
jp (common): added use_buffer argument in Table:
Goffi <goffi@goffi.org>
parents:
2344
diff
changeset
|
554 @property |
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Goffi <goffi@goffi.org>
parents:
2344
diff
changeset
|
555 def string(self): |
c57bc0fe17d9
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parents:
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diff
changeset
|
556 if self._buffer is None: |
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Goffi <goffi@goffi.org>
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|
557 raise exceptions.InternalError(u"buffer must be used to get a string") |
56f94936df1e
code style reformatting using black
Goffi <goffi@goffi.org>
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|
558 return u"\n".join(self._buffer) |
2345
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jp (common): added use_buffer argument in Table:
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parents:
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diff
changeset
|
559 |
2298
276e546b7619
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
560 @staticmethod |
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jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
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diff
changeset
|
561 def readDictValues(data, keys, defaults=None): |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
562 if defaults is None: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
563 defaults = {} |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
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diff
changeset
|
564 for key in keys: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
565 try: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
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diff
changeset
|
566 yield data[key] |
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jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
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changeset
|
567 except KeyError as e: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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changeset
|
568 default = defaults.get(key) |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
569 if default is not None: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
570 yield default |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
571 else: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
572 raise e |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
573 |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
574 @classmethod |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
575 def fromDict(cls, host, data, keys=None, headers=None, filters=None, defaults=None): |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
576 """Prepare a table to display it |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
577 |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
2280
diff
changeset
|
578 the whole data will be read and kept into memory, |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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changeset
|
579 to be printed |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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changeset
|
580 @param data(list[dict[unicode, unicode]]): data to create the table from |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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changeset
|
581 @param keys(iterable[unicode], None): keys to get |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
582 if None, all keys will be used |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
583 @param headers(iterable[unicode], None): name of the columns |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
584 names must be in same order as keys |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
585 @param filters(dict[unicode, (callable,unicode)), None): filter to use on values |
2610
c9dddf691d7b
jp (common): allow tables filters callbacks to have only one argument
Goffi <goffi@goffi.org>
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diff
changeset
|
586 keys correspond to keys to filter, and value is the same as for Table.__init__ |
2298
276e546b7619
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diff
changeset
|
587 @param defaults(dict[unicode, unicode]): default value to use |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
588 if None, an exception will be raised if not value is found |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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diff
changeset
|
589 """ |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
590 if keys is None and headers is not None: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
2280
diff
changeset
|
591 # FIXME: keys are not needed with OrderedDict, |
2624
56f94936df1e
code style reformatting using black
Goffi <goffi@goffi.org>
parents:
2610
diff
changeset
|
592 raise exceptions.DataError(u"You must specify keys order to used headers") |
2298
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
593 if keys is None: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
594 keys = data[0].keys() |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
2280
diff
changeset
|
595 if headers is None: |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
2280
diff
changeset
|
596 headers = keys |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
Goffi <goffi@goffi.org>
parents:
2280
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597 filters = [filters.get(k) for k in keys] |
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598 return cls( |
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599 host, (cls.readDictValues(d, keys, defaults) for d in data), headers, filters |
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600 ) |
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601 |
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602 def _headers(self, head_sep, headers, sizes, alignment=u"left", style=None): |
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603 """Render headers |
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604 |
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605 @param head_sep(unicode): sequence to use as separator |
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606 @param alignment(unicode): how to align, can be left, center or right |
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607 @param style(unicode, iterable[unicode], None): ANSI escape sequences to apply |
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608 @param headers(list[unicode]): headers to show |
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609 @param sizes(list[int]): sizes of columns |
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610 """ |
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611 rendered_headers = [] |
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612 if isinstance(style, basestring): |
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613 style = [style] |
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614 for idx, header in enumerate(headers): |
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615 size = sizes[idx] |
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616 if alignment == u"left": |
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617 rendered = header[:size].ljust(size) |
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618 elif alignment == u"center": |
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619 rendered = header[:size].center(size) |
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620 elif alignment == u"right": |
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621 rendered = header[:size].rjust(size) |
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622 else: |
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623 raise exceptions.InternalError(u"bad alignment argument") |
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624 if style: |
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625 args = style + [rendered] |
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626 rendered = A.color(*args) |
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627 rendered_headers.append(rendered) |
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628 return head_sep.join(rendered_headers) |
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629 |
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630 def _disp(self, data): |
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631 """output data (can be either bufferised or printed)""" |
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632 if self._buffer is not None: |
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633 self._buffer.append(data) |
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634 else: |
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635 self.host.disp(data) |
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636 |
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637 def display( |
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638 self, |
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639 head_alignment=u"left", |
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640 columns_alignment=u"left", |
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641 head_style=None, |
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642 show_header=True, |
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643 show_borders=True, |
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644 hide_cols=None, |
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645 col_sep=u" │ ", |
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646 top_left=u"┌", |
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647 top=u"─", |
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648 top_sep=u"─┬─", |
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649 top_right=u"┐", |
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650 left=u"│", |
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651 right=None, |
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652 head_sep=None, |
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653 head_line=u"┄", |
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654 head_line_left=u"├", |
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655 head_line_sep=u"┄┼┄", |
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656 head_line_right=u"┤", |
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657 bottom_left=u"└", |
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658 bottom=None, |
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659 bottom_sep=u"─┴─", |
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660 bottom_right=u"┘", |
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661 ): |
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662 """Print the table |
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663 |
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664 @param show_header(bool): True if header need no be shown |
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665 @param show_borders(bool): True if borders need no be shown |
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666 @param hide_cols(None, iterable(unicode)): columns which should not be displayed |
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667 @param head_alignment(unicode): how to align headers, can be left, center or right |
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668 @param columns_alignment(unicode): how to align columns, can be left, center or right |
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669 @param col_sep(unicode): separator betweens columns |
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670 @param head_line(unicode): character to use to make line under head |
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671 @param disp(callable, None): method to use to display the table |
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672 None to use self.host.disp |
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673 """ |
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674 if not self.sizes: |
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675 # the table is empty |
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676 return |
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677 col_sep_size = len(regex.ansiRemove(col_sep)) |
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678 |
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679 # if we have columns to hide, we remove them from headers and size |
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680 if not hide_cols: |
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681 headers = self.headers |
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682 sizes = self.sizes |
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683 else: |
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684 headers = list(self.headers) |
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685 sizes = self.sizes[:] |
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686 ignore_idx = [headers.index(to_hide) for to_hide in hide_cols] |
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687 for to_hide in hide_cols: |
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688 hide_idx = headers.index(to_hide) |
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689 del headers[hide_idx] |
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690 del sizes[hide_idx] |
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691 |
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692 if right is None: |
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693 right = left |
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694 if top_sep is None: |
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695 top_sep = col_sep_size * top |
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696 if head_sep is None: |
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697 head_sep = col_sep |
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698 if bottom is None: |
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699 bottom = top |
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700 if bottom_sep is None: |
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701 bottom_sep = col_sep_size * bottom |
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702 if not show_borders: |
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703 left = right = head_line_left = head_line_right = u"" |
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704 # top border |
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705 if show_borders: |
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706 self._disp( |
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707 top_left + top_sep.join([top * size for size in sizes]) + top_right |
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708 ) |
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709 |
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710 # headers |
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711 if show_header: |
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712 self._disp( |
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713 left |
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|
714 + self._headers(head_sep, headers, sizes, head_alignment, head_style) |
2298
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715 + right |
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716 ) |
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|
717 # header line |
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718 self._disp( |
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|
719 head_line_left |
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720 + head_line_sep.join([head_line * size for size in sizes]) |
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|
721 + head_line_right |
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722 ) |
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723 |
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|
724 # content |
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725 if columns_alignment == u"left": |
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726 alignment = lambda idx, s: ansi_ljust(s, sizes[idx]) |
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727 elif columns_alignment == u"center": |
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728 alignment = lambda idx, s: ansi_center(s, sizes[idx]) |
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729 elif columns_alignment == u"right": |
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730 alignment = lambda idx, s: ansi_rjust(s, sizes[idx]) |
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731 else: |
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732 raise exceptions.InternalError(u"bad columns alignment argument") |
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733 |
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734 for row in self.rows: |
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735 if hide_cols: |
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736 row = [v for idx, v in enumerate(row) if idx not in ignore_idx] |
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737 self._disp( |
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|
738 left |
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|
739 + col_sep.join([alignment(idx, c) for idx, c in enumerate(row)]) |
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740 + right |
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|
741 ) |
2298
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|
742 |
276e546b7619
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|
743 if show_borders: |
276e546b7619
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|
744 # bottom border |
2345
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|
745 self._disp( |
2298
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|
746 bottom_left |
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|
747 + bottom_sep.join([bottom * size for size in sizes]) |
2298
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|
748 + bottom_right |
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|
749 ) |
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|
750 # we return self so string can be used after display (table.display().string) |
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|
751 return self |
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|
752 |
276e546b7619
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|
753 def display_blank(self, **kwargs): |
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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|
754 """Display table without visible borders""" |
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|
755 kwargs_ = {"col_sep": u" ", "head_line_sep": u" ", "show_borders": False} |
2298
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changeset
|
756 kwargs_.update(kwargs) |
2493
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|
757 return self.display(**kwargs_) |
2551
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changeset
|
758 |
b27165bf160c
jp (merge-request/set): if service and node are not specified, URIFinder is now used + ask confirmation before publishing
Goffi <goffi@goffi.org>
parents:
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changeset
|
759 |
b27165bf160c
jp (merge-request/set): if service and node are not specified, URIFinder is now used + ask confirmation before publishing
Goffi <goffi@goffi.org>
parents:
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changeset
|
760 class URIFinder(object): |
b27165bf160c
jp (merge-request/set): if service and node are not specified, URIFinder is now used + ask confirmation before publishing
Goffi <goffi@goffi.org>
parents:
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|
761 """Helper class to find URIs in well-known locations""" |
b27165bf160c
jp (merge-request/set): if service and node are not specified, URIFinder is now used + ask confirmation before publishing
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changeset
|
762 |
2558
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parents:
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diff
changeset
|
763 def __init__(self, command, path, key, callback, meta_map=None): |
2554
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|
764 """ |
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|
765 @param command(CommandBase): command instance |
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|
766 args of this instance will be updated with found values |
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|
767 @param path(unicode): absolute path to use as a starting point to look for URIs |
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|
768 @param key(unicode): key to look for |
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changeset
|
769 @param callback(callable): method to call once URIs are found (or not) |
2558
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changeset
|
770 @param meta_map(dict, None): if not None, map metadata to arg name |
501b0f827f63
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changeset
|
771 key is metadata used attribute name |
501b0f827f63
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Goffi <goffi@goffi.org>
parents:
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changeset
|
772 value is name to actually use, or None to ignore |
501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
Goffi <goffi@goffi.org>
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changeset
|
773 use empty dict to only retrieve URI |
501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
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parents:
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diff
changeset
|
774 possible keys are currently: |
501b0f827f63
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Goffi <goffi@goffi.org>
parents:
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diff
changeset
|
775 - labels |
2554
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parents:
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changeset
|
776 """ |
2551
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changeset
|
777 if not command.args.service and not command.args.node: |
b27165bf160c
jp (merge-request/set): if service and node are not specified, URIFinder is now used + ask confirmation before publishing
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|
778 self.host = command.host |
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|
779 self.args = command.args |
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|
780 self.key = key |
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|
781 self.callback = callback |
2558
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|
782 self.meta_map = meta_map |
2624
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|
783 self.host.bridge.URIFind( |
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changeset
|
784 path, |
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changeset
|
785 [key], |
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changeset
|
786 callback=self.URIFindCb, |
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|
787 errback=partial( |
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changeset
|
788 command.errback, |
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changeset
|
789 msg=_(u"can't find " + key + u" URI: {}"), |
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|
790 exit_code=C.EXIT_BRIDGE_ERRBACK, |
56f94936df1e
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|
791 ), |
56f94936df1e
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|
792 ) |
2551
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diff
changeset
|
793 else: |
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Goffi <goffi@goffi.org>
parents:
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changeset
|
794 callback() |
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changeset
|
795 |
2558
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diff
changeset
|
796 def setMetadataList(self, uri_data, key): |
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parents:
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diff
changeset
|
797 """Helper method to set list of values from metadata |
501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
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changeset
|
798 |
501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
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changeset
|
799 @param uri_data(dict): data of the found URI |
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changeset
|
800 @param key(unicode): key of the value to retrieve |
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|
801 """ |
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changeset
|
802 new_values_json = uri_data.get(key) |
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changeset
|
803 if uri_data is not None: |
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|
804 if self.meta_map is None: |
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changeset
|
805 dest = key |
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changeset
|
806 else: |
501b0f827f63
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changeset
|
807 dest = self.meta_map.get(key) |
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|
808 if dest is None: |
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|
809 return |
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changeset
|
810 |
501b0f827f63
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changeset
|
811 try: |
501b0f827f63
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changeset
|
812 values = getattr(self.args, key) |
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|
813 except AttributeError: |
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|
814 raise exceptions.InternalError( |
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|
815 u'there is no "{key}" arguments'.format(key=key) |
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816 ) |
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817 else: |
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818 if values is None: |
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819 values = [] |
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820 values.extend(json.loads(new_values_json)) |
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821 setattr(self.args, dest, values) |
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822 |
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823 def URIFindCb(self, uris_data): |
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824 try: |
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825 uri_data = uris_data[self.key] |
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826 except KeyError: |
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827 self.host.disp( |
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828 _( |
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829 u"No {key} URI specified for this project, please specify service and node" |
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830 ).format(key=self.key), |
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831 error=True, |
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832 ) |
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833 self.host.quit(C.EXIT_NOT_FOUND) |
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834 else: |
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835 uri = uri_data[u"uri"] |
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836 |
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837 self.setMetadataList(uri_data, u"labels") |
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838 parsed_uri = xmpp_uri.parseXMPPUri(uri) |
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839 try: |
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840 self.args.service = parsed_uri[u"path"] |
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841 self.args.node = parsed_uri[u"node"] |
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842 except KeyError: |
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843 self.host.disp(_(u"Invalid URI found: {uri}").format(uri=uri), error=True) |
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844 self.host.quit(C.EXIT_DATA_ERROR) |
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845 self.callback() |