Mercurial > libervia-backend
annotate sat_frontends/jp/common.py @ 3582:71516731d0aa
core (memory/sqla): database migration using Alembic:
Alembic database migration tool, which is the recommended one for SQLAlchemy has been
integrated. When a database is created, it will be used to stamp to current (head)
revision, otherwise, DB will be checked to see if it needs to be updated, and upgrade will
be triggered if necessary.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 25 Jun 2021 17:55:23 +0200 |
| parents | 04283582966f |
| children | 82e616b70a2a |
| rev | line source |
|---|---|
| 3137 | 1 #!/usr/bin/env python3 |
| 2 | |
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3 |
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4 # jp: a SàT command line tool |
| 3479 | 5 # Copyright (C) 2009-2021 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 |
| 3040 | 20 import json |
| 21 import os | |
| 22 import os.path | |
| 23 import time | |
| 24 import tempfile | |
| 25 import asyncio | |
| 26 import shlex | |
| 3121 | 27 import re |
| 3040 | 28 from pathlib import Path |
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29 from sat_frontends.jp.constants import Const as C |
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30 from sat.core.i18n import _ |
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31 from sat.core import exceptions |
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32 from sat.tools.common import regex |
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33 from sat.tools.common.ansi import ANSI as A |
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34 from sat.tools.common import uri as xmpp_uri |
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35 from sat.tools import config |
| 3028 | 36 from configparser import NoSectionError, NoOptionError |
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37 from collections import namedtuple |
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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) |
| 3028 | 58 return s + " " * (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 |
| 3028 | 66 return half * " " + s + (half + diff % 2) * " " |
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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) |
| 3028 | 72 return " " * (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 |
| 3040 | 79 @param cat_dir(str): 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) |
| 3040 | 84 @return (Path): path to the dir |
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85 """ |
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86 local_dir = config.getConfig(sat_conf, "", "local_dir", Exception) |
| 3040 | 87 path_elts = [local_dir, cat_dir] |
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88 if sub_dir is not None: |
| 3040 | 89 path_elts.append(regex.pathEscape(sub_dir)) |
| 90 return Path(*path_elts) | |
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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( |
| 3028 | 106 "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): |
| 3028 | 112 """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 |
| 3040 | 124 most of signature change with use_metadata with an additional metadata |
| 125 argument. | |
| 126 This is done to raise error if a command needs metadata but forget the flag, | |
| 127 and vice versa | |
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128 """ |
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129 self.host = host |
| 3040 | 130 self.cat_dir = cat_dir |
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131 self.use_metadata = use_metadata |
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132 |
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133 def secureUnlink(self, path): |
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134 """Unlink given path after keeping it for a while |
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135 |
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136 This method is used to prevent accidental deletion of a draft |
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137 If there are more file in SECURE_UNLINK_DIR than SECURE_UNLINK_MAX, |
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138 older file are deleted |
| 3040 | 139 @param path(Path, str): file to unlink |
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140 """ |
| 3040 | 141 path = Path(path).resolve() |
| 142 if not path.is_file: | |
| 3028 | 143 raise OSError("path must link to a regular file") |
| 3040 | 144 if path.parent != getTmpDir(self.sat_conf, self.cat_dir): |
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145 self.disp( |
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146 f"File {path} is not in SàT temporary hierarchy, we do not remove " f"it", |
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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 |
| 3040 | 152 backup_dir = getTmpDir(self.sat_conf, self.cat_dir, 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 "Backuping file {src} to {dst}".format(src=path, dst=backup_path), |
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160 1, |
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161 ) |
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162 os.rename(path, backup_path) |
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163 # and if we exceeded the limit, we remove older file |
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164 backup_files = [os.path.join(backup_dir, f) for f in os.listdir(backup_dir)] |
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165 if len(backup_files) > unlink_max: |
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166 backup_files.sort(key=lambda path: os.stat(path).st_mtime) |
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167 for path in backup_files[: len(backup_files) - unlink_max]: |
| 3028 | 168 self.host.disp("Purging backup file {}".format(path), 2) |
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169 os.unlink(path) |
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170 |
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171 async def runEditor( |
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172 self, |
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173 editor_args_opt, |
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174 content_file_path, |
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175 content_file_obj, |
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176 meta_file_path=None, |
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177 meta_ori=None, |
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178 ): |
| 3040 | 179 """Run editor to edit content and metadata |
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180 |
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181 @param editor_args_opt(unicode): option in [jp] section in configuration for |
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182 specific args |
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183 @param content_file_path(str): path to the content file |
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184 @param content_file_obj(file): opened file instance |
| 3040 | 185 @param meta_file_path(str, Path, None): metadata file path |
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186 if None metadata will not be used |
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187 @param meta_ori(dict, None): original cotent of metadata |
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188 can't be used if use_metadata is False |
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189 """ |
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190 if not self.use_metadata: |
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191 assert meta_file_path is None |
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192 assert meta_ori is None |
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193 |
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194 # we calculate hashes to check for modifications |
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195 import hashlib |
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196 |
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197 content_file_obj.seek(0) |
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198 tmp_ori_hash = hashlib.sha1(content_file_obj.read()).digest() |
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199 content_file_obj.close() |
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200 |
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201 # we prepare arguments |
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202 editor = config.getConfig(self.sat_conf, "jp", "editor") or os.getenv( |
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203 "EDITOR", "vi" |
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204 ) |
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205 try: |
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206 # is there custom arguments in sat.conf ? |
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207 editor_args = config.getConfig( |
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208 self.sat_conf, "jp", editor_args_opt, Exception |
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209 ) |
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210 except (NoOptionError, NoSectionError): |
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211 # no, we check if we know the editor and have special arguments |
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212 if self.use_metadata: |
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213 editor_args = EDITOR_ARGS_MAGIC.get(os.path.basename(editor), "") |
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214 else: |
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215 editor_args = "" |
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216 parse_kwargs = {"content_file": content_file_path} |
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217 if self.use_metadata: |
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218 parse_kwargs["metadata_file"] = meta_file_path |
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219 args = parse_args(self.host, editor_args, **parse_kwargs) |
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220 if not args: |
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221 args = [content_file_path] |
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222 |
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223 # actual editing |
| 3040 | 224 editor_process = await asyncio.create_subprocess_exec( |
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225 editor, *[str(a) for a in args] |
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226 ) |
| 3040 | 227 editor_exit = await editor_process.wait() |
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228 |
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229 # edition will now be checked, and data will be sent if it was a success |
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230 if editor_exit != 0: |
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231 self.disp( |
| 3040 | 232 f"Editor exited with an error code, so temporary file has not be " |
| 233 f"deleted, and item is not published.\nYou can find temporary file " | |
| 234 f"at {content_file_path}", | |
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235 error=True, |
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236 ) |
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237 else: |
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238 # main content |
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239 try: |
| 3040 | 240 with content_file_path.open("rb") as f: |
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241 content = f.read() |
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242 except (OSError, IOError): |
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243 self.disp( |
| 3040 | 244 f"Can read file at {content_file_path}, have it been deleted?\n" |
| 245 f"Cancelling edition", | |
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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: |
| 3040 | 253 with meta_file_path.open("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( |
| 3040 | 257 f"Can read file at {meta_file_path}, have it been deleted?\n" |
| 258 f"Cancelling edition", | |
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259 error=True, |
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260 ) |
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261 self.host.quit(C.EXIT_NOT_FOUND) |
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262 except ValueError: |
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263 self.disp( |
| 3040 | 264 f"Can't parse metadata, please check it is correct JSON format. " |
| 265 f"Cancelling edition.\nYou can find tmp file at " | |
| 266 f"{content_file_path} and temporary meta file at " | |
| 267 f"{meta_file_path}.", | |
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268 error=True, |
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269 ) |
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270 self.host.quit(C.EXIT_DATA_ERROR) |
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271 |
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272 if self.use_metadata and not metadata.get("publish", True): |
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273 self.disp( |
| 3040 | 274 f'Publication blocked by "publish" key in metadata, cancelling ' |
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275 f"edition.\n\ntemporary file path:\t{content_file_path}\nmetadata " |
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276 f"file path:\t{meta_file_path}", |
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277 error=True, |
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278 ) |
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279 self.host.quit() |
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280 |
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281 if len(content) == 0: |
| 3028 | 282 self.disp("Content is empty, cancelling the edition") |
| 3040 | 283 if content_file_path.parent != getTmpDir(self.sat_conf, self.cat_dir): |
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284 self.disp( |
| 3028 | 285 "File are not in SàT temporary hierarchy, we do not remove them", |
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286 2, |
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287 ) |
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288 self.host.quit() |
| 3040 | 289 self.disp(f"Deletion of {content_file_path}", 2) |
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290 os.unlink(content_file_path) |
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291 if self.use_metadata: |
| 3040 | 292 self.disp(f"Deletion of {meta_file_path}".format(meta_file_path), 2) |
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293 os.unlink(meta_file_path) |
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294 self.host.quit() |
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295 |
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296 # time to re-check the hash |
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297 elif tmp_ori_hash == hashlib.sha1(content).digest() and ( |
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298 not self.use_metadata or meta_ori == metadata |
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299 ): |
| 3028 | 300 self.disp("The content has not been modified, cancelling the edition") |
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301 self.host.quit() |
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302 |
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303 else: |
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304 # we can now send the item |
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305 content = content.decode("utf-8-sig") # we use utf-8-sig to avoid BOM |
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306 try: |
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307 if self.use_metadata: |
| 3040 | 308 await self.publish(content, metadata) |
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309 else: |
| 3040 | 310 await self.publish(content) |
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311 except Exception as e: |
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312 if self.use_metadata: |
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313 self.disp( |
| 3040 | 314 f"Error while sending your item, the temporary files have " |
| 315 f"been kept at {content_file_path} and {meta_file_path}: " | |
| 316 f"{e}", | |
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317 error=True, |
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318 ) |
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319 else: |
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320 self.disp( |
| 3040 | 321 f"Error while sending your item, the temporary file has been " |
| 322 f"kept at {content_file_path}: {e}", | |
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323 error=True, |
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324 ) |
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325 self.host.quit(1) |
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326 |
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327 self.secureUnlink(content_file_path) |
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328 if self.use_metadata: |
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329 self.secureUnlink(meta_file_path) |
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330 |
| 3040 | 331 async def publish(self, content): |
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332 # if metadata is needed, publish will be called with it last argument |
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333 raise NotImplementedError |
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334 |
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335 def getTmpFile(self): |
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336 """Create a temporary file |
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337 |
| 3040 | 338 @return (tuple(file, Path)): opened (w+b) file object and file path |
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339 """ |
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340 suff = "." + self.getTmpSuff() |
| 3040 | 341 cat_dir_str = self.cat_dir |
| 342 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir, self.profile) | |
| 343 if not tmp_dir.exists(): | |
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344 try: |
| 3040 | 345 tmp_dir.mkdir(parents=True) |
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346 except OSError as e: |
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347 self.disp( |
| 3040 | 348 f"Can't create {tmp_dir} directory: {e}", |
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349 error=True, |
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350 ) |
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351 self.host.quit(1) |
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352 try: |
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353 fd, path = tempfile.mkstemp( |
| 3040 | 354 suffix=suff, |
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355 prefix=time.strftime(cat_dir_str + "_%Y-%m-%d_%H:%M:%S_"), |
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356 dir=tmp_dir, |
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357 text=True, |
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358 ) |
| 3040 | 359 return os.fdopen(fd, "w+b"), Path(path) |
|
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360 except OSError as e: |
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361 self.disp(f"Can't create temporary file: {e}", error=True) |
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362 self.host.quit(1) |
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363 |
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364 def getCurrentFile(self, profile): |
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365 """Get most recently edited file |
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366 |
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367 @param profile(unicode): profile linked to the draft |
| 3040 | 368 @return(Path): full path of current file |
|
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369 """ |
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370 # we guess the item currently edited by choosing |
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371 # the most recent file corresponding to temp file pattern |
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372 # in tmp_dir, excluding metadata files |
| 3040 | 373 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir, profile) |
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374 available = [ |
| 3040 | 375 p |
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376 for p in tmp_dir.glob(f"{self.cat_dir}_*") |
| 3040 | 377 if not p.match(f"*{METADATA_SUFF}") |
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378 ] |
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379 if not available: |
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380 self.disp( |
| 3040 | 381 f"Could not find any content draft in {tmp_dir}", |
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382 error=True, |
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383 ) |
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384 self.host.quit(1) |
| 3040 | 385 return max(available, key=lambda p: p.stat().st_mtime) |
|
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386 |
| 3040 | 387 async def getItemData(self, service, node, item): |
|
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388 """return formatted content, metadata (or not if use_metadata is false), and item id""" |
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389 raise NotImplementedError |
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390 |
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391 def getTmpSuff(self): |
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392 """return suffix used for content file""" |
| 3028 | 393 return "xml" |
|
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394 |
| 3040 | 395 async def getItemPath(self): |
| 396 """Retrieve item path (i.e. service and node) from item argument | |
|
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397 |
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398 This method is obviously only useful for edition of PubSub based features |
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399 """ |
| 2532 | 400 service = self.args.service |
| 401 node = self.args.node | |
| 402 item = self.args.item | |
| 403 last_item = self.args.last_item | |
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404 |
| 2532 | 405 if self.args.current: |
| 406 # user wants to continue current draft | |
| 407 content_file_path = self.getCurrentFile(self.profile) | |
| 3028 | 408 self.disp("Continuing edition of current draft", 2) |
| 3040 | 409 content_file_obj = content_file_path.open("r+b") |
| 2532 | 410 # we seek at the end of file in case of an item already exist |
| 411 # this will write content of the existing item at the end of the draft. | |
| 412 # This way no data should be lost. | |
| 413 content_file_obj.seek(0, os.SEEK_END) | |
| 414 elif self.args.draft_path: | |
| 415 # there is an existing draft that we use | |
| 3040 | 416 content_file_path = self.args.draft_path.expanduser() |
| 417 content_file_obj = content_file_path.open("r+b") | |
| 2532 | 418 # we seek at the end for the same reason as above |
| 419 content_file_obj.seek(0, os.SEEK_END) | |
| 420 else: | |
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421 # we need a temporary file |
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422 content_file_obj, content_file_path = self.getTmpFile() |
| 2532 | 423 |
| 424 if item or last_item: | |
| 3028 | 425 self.disp("Editing requested published item", 2) |
| 2532 | 426 try: |
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427 if self.use_metadata: |
| 3040 | 428 content, metadata, item = await self.getItemData(service, node, item) |
| 2532 | 429 else: |
| 3040 | 430 content, item = await self.getItemData(service, node, item) |
| 2532 | 431 except Exception as e: |
| 432 # FIXME: ugly but we have not good may to check errors in bridge | |
| 3028 | 433 if "item-not-found" in str(e): |
|
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434 # item doesn't exist, we create a new one with requested id |
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435 metadata = None |
| 2532 | 436 if last_item: |
| 3028 | 437 self.disp(_("no item found at all, we create a new one"), 2) |
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438 else: |
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439 self.disp( |
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440 _( |
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441 'item "{item}" not found, we create a new item with' |
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442 "this id" |
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443 ).format(item=item), |
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444 2, |
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445 ) |
| 2532 | 446 content_file_obj.seek(0) |
| 447 else: | |
| 3040 | 448 self.disp(f"Error while retrieving item: {e}") |
| 2532 | 449 self.host.quit(C.EXIT_ERROR) |
| 450 else: | |
| 451 # item exists, we write content | |
| 452 if content_file_obj.tell() != 0: | |
| 453 # we already have a draft, | |
| 454 # we copy item content after it and add an indicator | |
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455 content_file_obj.write("\n*****\n") |
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456 content_file_obj.write(content.encode("utf-8")) |
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457 content_file_obj.seek(0) |
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458 self.disp(_('item "{item}" found, we edit it').format(item=item), 2) |
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459 else: |
| 3028 | 460 self.disp("Editing a new item", 2) |
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461 if self.use_metadata: |
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462 metadata = None |
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463 |
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464 if self.use_metadata: |
| 2532 | 465 return service, node, item, content_file_path, content_file_obj, metadata |
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466 else: |
| 2532 | 467 return service, node, item, content_file_path, content_file_obj |
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468 |
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469 |
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470 class Table(object): |
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471 def __init__(self, host, data, headers=None, filters=None, use_buffer=False): |
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472 """ |
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473 @param data(iterable[list]): table data |
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474 all lines must have the same number of columns |
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475 @param headers(iterable[unicode], None): names/titles of the columns |
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476 if not None, must have same number of columns as data |
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477 @param filters(iterable[(callable, unicode)], None): values filters |
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478 the callable will get 2 arguments: |
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479 - current column value |
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480 - RowData with all columns values |
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481 if may also only use 1 argument, which will then be current col value. |
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482 the callable must return a string |
| 3121 | 483 if it's unicode, it will be used with .format and must countain u'{}' which |
| 484 will be replaced with the string. | |
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485 if not None, must have same number of columns as data |
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486 @param use_buffer(bool): if True, bufferise output instead of printing it directly |
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487 """ |
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488 self.host = host |
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489 self._buffer = [] if use_buffer else None |
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490 # headers are columns names/titles, can be None |
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491 self.headers = headers |
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492 # sizes fof columns without headers, |
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493 # headers may be larger |
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494 self.sizes = [] |
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495 # rows countains one list per row with columns values |
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496 self.rows = [] |
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497 |
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498 size = None |
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499 if headers: |
| 3121 | 500 # we use a namedtuple to make the value easily accessible from filters |
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501 headers_safe = [re.sub(r"[^a-zA-Z_]", "_", h) for h in headers] |
| 3121 | 502 row_cls = namedtuple("RowData", headers_safe) |
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503 else: |
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504 row_cls = tuple |
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505 |
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506 for row_data in data: |
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507 new_row = [] |
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508 row_data_list = list(row_data) |
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509 for idx, value in enumerate(row_data_list): |
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510 if filters is not None and filters[idx] is not None: |
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511 filter_ = filters[idx] |
| 3028 | 512 if isinstance(filter_, str): |
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513 col_value = filter_.format(value) |
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514 else: |
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515 try: |
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516 col_value = filter_(value, row_cls(*row_data_list)) |
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517 except TypeError: |
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518 col_value = filter_(value) |
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519 # we count size without ANSI code as they will change length of the |
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520 # string when it's mostly style/color changes. |
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521 col_size = len(regex.ansiRemove(col_value)) |
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522 else: |
| 3028 | 523 col_value = str(value) |
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524 col_size = len(col_value) |
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525 new_row.append(col_value) |
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526 if size is None: |
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527 self.sizes.append(col_size) |
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528 else: |
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529 self.sizes[idx] = max(self.sizes[idx], col_size) |
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530 if size is None: |
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531 size = len(new_row) |
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532 if headers is not None and len(headers) != size: |
| 3028 | 533 raise exceptions.DataError("headers size is not coherent with rows") |
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534 else: |
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535 if len(new_row) != size: |
| 3028 | 536 raise exceptions.DataError("rows size is not coherent") |
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537 self.rows.append(new_row) |
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538 |
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539 if not data and headers is not None: |
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540 # the table is empty, we print headers at their lenght |
|
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541 self.sizes = [len(h) for h in headers] |
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542 |
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543 @property |
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544 def string(self): |
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545 if self._buffer is None: |
| 3028 | 546 raise exceptions.InternalError("buffer must be used to get a string") |
| 547 return "\n".join(self._buffer) | |
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548 |
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549 @staticmethod |
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550 def readDictValues(data, keys, defaults=None): |
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551 if defaults is None: |
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552 defaults = {} |
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553 for key in keys: |
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554 try: |
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555 yield data[key] |
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556 except KeyError as e: |
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557 default = defaults.get(key) |
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558 if default is not None: |
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559 yield default |
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560 else: |
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561 raise e |
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562 |
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563 @classmethod |
| 3121 | 564 def fromListDict( |
|
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565 cls, host, data, keys=None, headers=None, filters=None, defaults=None |
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566 ): |
| 3121 | 567 """Create a table from a list of dictionaries |
|
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568 |
| 3121 | 569 each dictionary is a row of the table, keys being columns names. |
| 570 the whole data will be read and kept into memory, to be printed | |
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571 @param data(list[dict[unicode, unicode]]): data to create the table from |
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572 @param keys(iterable[unicode], None): keys to get |
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573 if None, all keys will be used |
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574 @param headers(iterable[unicode], None): name of the columns |
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575 names must be in same order as keys |
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576 @param filters(dict[unicode, (callable,unicode)), None): filter to use on values |
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577 keys correspond to keys to filter, and value is the same as for Table.__init__ |
|
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578 @param defaults(dict[unicode, unicode]): default value to use |
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579 if None, an exception will be raised if not value is found |
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580 """ |
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581 if keys is None and headers is not None: |
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582 # FIXME: keys are not needed with OrderedDict, |
| 3028 | 583 raise exceptions.DataError("You must specify keys order to used headers") |
|
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584 if keys is None: |
| 3028 | 585 keys = list(data[0].keys()) |
|
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586 if headers is None: |
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587 headers = keys |
| 3121 | 588 if filters is None: |
| 589 filters = {} | |
|
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590 filters = [filters.get(k) for k in keys] |
|
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591 return cls( |
|
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592 host, (cls.readDictValues(d, keys, defaults) for d in data), headers, filters |
|
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593 ) |
|
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594 |
| 3028 | 595 def _headers(self, head_sep, headers, sizes, alignment="left", style=None): |
|
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596 """Render headers |
|
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|
597 |
|
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598 @param head_sep(unicode): sequence to use as separator |
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599 @param alignment(unicode): how to align, can be left, center or right |
|
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|
600 @param style(unicode, iterable[unicode], None): ANSI escape sequences to apply |
|
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601 @param headers(list[unicode]): headers to show |
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602 @param sizes(list[int]): sizes of columns |
|
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603 """ |
|
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|
604 rendered_headers = [] |
| 3028 | 605 if isinstance(style, str): |
|
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|
606 style = [style] |
|
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607 for idx, header in enumerate(headers): |
|
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|
608 size = sizes[idx] |
| 3028 | 609 if alignment == "left": |
|
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610 rendered = header[:size].ljust(size) |
| 3028 | 611 elif alignment == "center": |
|
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|
612 rendered = header[:size].center(size) |
| 3028 | 613 elif alignment == "right": |
|
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614 rendered = header[:size].rjust(size) |
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615 else: |
| 3028 | 616 raise exceptions.InternalError("bad alignment argument") |
|
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617 if style: |
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618 args = style + [rendered] |
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619 rendered = A.color(*args) |
|
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620 rendered_headers.append(rendered) |
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621 return head_sep.join(rendered_headers) |
|
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622 |
|
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623 def _disp(self, data): |
|
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624 """output data (can be either bufferised or printed)""" |
|
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625 if self._buffer is not None: |
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626 self._buffer.append(data) |
|
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627 else: |
|
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|
628 self.host.disp(data) |
|
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629 |
|
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|
630 def display( |
|
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631 self, |
| 3028 | 632 head_alignment="left", |
| 633 columns_alignment="left", | |
|
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634 head_style=None, |
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635 show_header=True, |
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636 show_borders=True, |
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|
637 hide_cols=None, |
| 3028 | 638 col_sep=" │ ", |
| 639 top_left="┌", | |
| 640 top="─", | |
| 641 top_sep="─┬─", | |
| 642 top_right="┐", | |
| 643 left="│", | |
|
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644 right=None, |
|
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|
645 head_sep=None, |
| 3028 | 646 head_line="┄", |
| 647 head_line_left="├", | |
| 648 head_line_sep="┄┼┄", | |
| 649 head_line_right="┤", | |
| 650 bottom_left="└", | |
|
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651 bottom=None, |
| 3028 | 652 bottom_sep="─┴─", |
| 653 bottom_right="┘", | |
|
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|
654 ): |
|
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|
655 """Print the table |
|
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|
656 |
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657 @param show_header(bool): True if header need no be shown |
|
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658 @param show_borders(bool): True if borders need no be shown |
|
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659 @param hide_cols(None, iterable(unicode)): columns which should not be displayed |
|
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660 @param head_alignment(unicode): how to align headers, can be left, center or right |
| 3121 | 661 @param columns_alignment(unicode): how to align columns, can be left, center or |
| 662 right | |
|
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|
663 @param col_sep(unicode): separator betweens columns |
|
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664 @param head_line(unicode): character to use to make line under head |
|
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|
665 @param disp(callable, None): method to use to display the table |
|
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666 None to use self.host.disp |
|
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667 """ |
|
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|
668 if not self.sizes: |
|
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669 # the table is empty |
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670 return |
|
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671 col_sep_size = len(regex.ansiRemove(col_sep)) |
|
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672 |
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673 # if we have columns to hide, we remove them from headers and size |
|
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674 if not hide_cols: |
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675 headers = self.headers |
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676 sizes = self.sizes |
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677 else: |
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678 headers = list(self.headers) |
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679 sizes = self.sizes[:] |
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680 ignore_idx = [headers.index(to_hide) for to_hide in hide_cols] |
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681 for to_hide in hide_cols: |
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682 hide_idx = headers.index(to_hide) |
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683 del headers[hide_idx] |
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684 del sizes[hide_idx] |
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685 |
|
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686 if right is None: |
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687 right = left |
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688 if top_sep is None: |
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689 top_sep = col_sep_size * top |
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690 if head_sep is None: |
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691 head_sep = col_sep |
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692 if bottom is None: |
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693 bottom = top |
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694 if bottom_sep is None: |
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695 bottom_sep = col_sep_size * bottom |
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696 if not show_borders: |
| 3028 | 697 left = right = head_line_left = head_line_right = "" |
|
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698 # top border |
|
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699 if show_borders: |
|
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700 self._disp( |
|
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701 top_left + top_sep.join([top * size for size in sizes]) + top_right |
|
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702 ) |
|
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|
703 |
|
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704 # headers |
| 3121 | 705 if show_header and self.headers is not None: |
|
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706 self._disp( |
|
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|
707 left |
|
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708 + self._headers(head_sep, headers, sizes, head_alignment, head_style) |
|
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|
709 + right |
|
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710 ) |
|
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|
711 # header line |
|
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712 self._disp( |
|
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|
713 head_line_left |
|
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714 + head_line_sep.join([head_line * size for size in sizes]) |
|
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|
715 + head_line_right |
|
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|
716 ) |
|
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|
717 |
|
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|
718 # content |
| 3028 | 719 if columns_alignment == "left": |
|
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720 alignment = lambda idx, s: ansi_ljust(s, sizes[idx]) |
| 3028 | 721 elif columns_alignment == "center": |
|
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722 alignment = lambda idx, s: ansi_center(s, sizes[idx]) |
| 3028 | 723 elif columns_alignment == "right": |
|
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724 alignment = lambda idx, s: ansi_rjust(s, sizes[idx]) |
|
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|
725 else: |
| 3028 | 726 raise exceptions.InternalError("bad columns alignment argument") |
|
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|
727 |
|
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|
728 for row in self.rows: |
|
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|
729 if hide_cols: |
|
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|
730 row = [v for idx, v in enumerate(row) if idx not in ignore_idx] |
|
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|
731 self._disp( |
|
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|
732 left |
|
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changeset
|
733 + col_sep.join([alignment(idx, c) for idx, c in enumerate(row)]) |
|
56f94936df1e
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|
734 + right |
|
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changeset
|
735 ) |
|
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changeset
|
736 |
|
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|
737 if show_borders: |
|
276e546b7619
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|
738 # bottom border |
|
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|
739 self._disp( |
|
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|
740 bottom_left |
|
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|
741 + bottom_sep.join([bottom * size for size in sizes]) |
|
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|
742 + bottom_right |
|
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|
743 ) |
|
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|
744 # we return self so string can be used after display (table.display().string) |
|
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|
745 return self |
|
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|
746 |
|
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|
747 def display_blank(self, **kwargs): |
|
276e546b7619
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|
748 """Display table without visible borders""" |
| 3028 | 749 kwargs_ = {"col_sep": " ", "head_line_sep": " ", "show_borders": False} |
|
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|
750 kwargs_.update(kwargs) |
|
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|
751 return self.display(**kwargs_) |
|
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2532
diff
changeset
|
752 |
|
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changeset
|
753 |
| 3040 | 754 async def fill_well_known_uri(command, path, key, meta_map=None): |
| 755 """Look for URIs in well-known location and fill appropriate args if suitable | |
| 756 | |
| 757 @param command(CommandBase): command instance | |
| 758 args of this instance will be updated with found values | |
| 759 @param path(unicode): absolute path to use as a starting point to look for URIs | |
| 760 @param key(unicode): key to look for | |
| 761 @param meta_map(dict, None): if not None, map metadata to arg name | |
| 762 key is metadata used attribute name | |
| 763 value is name to actually use, or None to ignore | |
| 764 use empty dict to only retrieve URI | |
| 765 possible keys are currently: | |
| 766 - labels | |
| 767 """ | |
| 768 args = command.args | |
| 769 if args.service or args.node: | |
| 770 # we only look for URIs if a service and a node are not already specified | |
| 771 return | |
| 772 | |
| 773 host = command.host | |
|
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changeset
|
774 |
| 3040 | 775 try: |
| 776 uris_data = await host.bridge.URIFind(path, [key]) | |
| 777 except Exception as e: | |
| 778 host.disp(f"can't find {key} URI: {e}", error=True) | |
| 779 host.quit(C.EXIT_BRIDGE_ERRBACK) | |
|
2551
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diff
changeset
|
780 |
| 3040 | 781 try: |
| 782 uri_data = uris_data[key] | |
| 783 except KeyError: | |
| 784 host.disp( | |
|
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|
785 _( |
|
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changeset
|
786 "No {key} URI specified for this project, please specify service and " |
|
04283582966f
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|
787 "node" |
|
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Goffi <goffi@goffi.org>
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changeset
|
788 ).format(key=key), |
| 3040 | 789 error=True, |
| 790 ) | |
| 791 host.quit(C.EXIT_NOT_FOUND) | |
|
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changeset
|
792 |
| 3040 | 793 uri = uri_data["uri"] |
| 794 | |
| 795 # set extra metadata if they are specified | |
|
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|
796 for data_key in ["labels"]: |
| 3040 | 797 new_values_json = uri_data.get(data_key) |
|
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changeset
|
798 if uri_data is not None: |
| 3040 | 799 if meta_map is None: |
| 800 dest = data_key | |
|
2558
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changeset
|
801 else: |
| 3040 | 802 dest = meta_map.get(data_key) |
|
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changeset
|
803 if dest is None: |
| 3040 | 804 continue |
|
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changeset
|
805 |
|
501b0f827f63
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changeset
|
806 try: |
| 3040 | 807 values = getattr(args, data_key) |
|
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|
808 except AttributeError: |
|
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|
809 raise exceptions.InternalError(f"there is no {data_key!r} arguments") |
|
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|
810 else: |
|
501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
Goffi <goffi@goffi.org>
parents:
2554
diff
changeset
|
811 if values is None: |
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501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
Goffi <goffi@goffi.org>
parents:
2554
diff
changeset
|
812 values = [] |
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501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
Goffi <goffi@goffi.org>
parents:
2554
diff
changeset
|
813 values.extend(json.loads(new_values_json)) |
| 3040 | 814 setattr(args, dest, values) |
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2558
501b0f827f63
jp (merge-request,common): fixed URIFinder when metadata are not needed:
Goffi <goffi@goffi.org>
parents:
2554
diff
changeset
|
815 |
| 3040 | 816 parsed_uri = xmpp_uri.parseXMPPUri(uri) |
| 817 try: | |
| 818 args.service = parsed_uri["path"] | |
| 819 args.node = parsed_uri["node"] | |
| 820 except KeyError: | |
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3568
04283582966f
core, frontends: fix invalid translatable strings.
Goffi <goffi@goffi.org>
parents:
3479
diff
changeset
|
821 host.disp(_("Invalid URI found: {uri}").format(uri=uri), error=True) |
| 3040 | 822 host.quit(C.EXIT_DATA_ERROR) |