Mercurial > libervia-backend
annotate sat_frontends/jp/common.py @ 3120:0c29155ac68b
core: backend autoconnection:
A new Connection/autoconnect_backend param can be set for a profile or component to be
started automatically with backend. This is specially useful for components, but can be
useful for client profile too (e.g. on Android we need to start profile with backend to
get notifications, this part will come with following commits).
The new Sqlite.getIndParamValues method allows to retrieve the same parameters for all
profiles.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 25 Jan 2020 21:08:32 +0100 |
| parents | d9f328374473 |
| children | 040ca99e25fe |
| 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 |
| 3040 | 20 import json |
| 21 import os | |
| 22 import os.path | |
| 23 import time | |
| 24 import tempfile | |
| 25 import asyncio | |
| 26 import shlex | |
| 27 from pathlib import Path | |
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28 from sat_frontends.jp.constants import Const as C |
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29 from sat.core.i18n import _ |
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30 from sat.core import exceptions |
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31 from sat.tools.common import regex |
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32 from sat.tools.common.ansi import ANSI as A |
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33 from sat.tools.common import uri as xmpp_uri |
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34 from sat.tools import config |
| 3028 | 35 from configparser import NoSectionError, NoOptionError |
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36 from collections import namedtuple |
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37 |
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38 # defaut arguments used for some known editors (editing with metadata) |
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39 VIM_SPLIT_ARGS = "-c 'set nospr|vsplit|wincmd w|next|wincmd w'" |
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40 EMACS_SPLIT_ARGS = '--eval "(split-window-horizontally)"' |
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41 EDITOR_ARGS_MAGIC = { |
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42 "vim": VIM_SPLIT_ARGS + " {content_file} {metadata_file}", |
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43 "gvim": VIM_SPLIT_ARGS + " --nofork {content_file} {metadata_file}", |
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44 "emacs": EMACS_SPLIT_ARGS + " {content_file} {metadata_file}", |
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45 "xemacs": EMACS_SPLIT_ARGS + " {content_file} {metadata_file}", |
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46 "nano": " -F {content_file} {metadata_file}", |
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47 } |
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48 |
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49 SECURE_UNLINK_MAX = 10 |
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50 SECURE_UNLINK_DIR = ".backup" |
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51 METADATA_SUFF = "_metadata.json" |
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52 |
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53 |
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54 def ansi_ljust(s, width): |
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55 """ljust method handling ANSI escape codes""" |
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56 cleaned = regex.ansiRemove(s) |
| 3028 | 57 return s + " " * (width - len(cleaned)) |
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58 |
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59 |
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60 def ansi_center(s, width): |
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61 """ljust method handling ANSI escape codes""" |
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62 cleaned = regex.ansiRemove(s) |
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63 diff = width - len(cleaned) |
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64 half = diff / 2 |
| 3028 | 65 return half * " " + s + (half + diff % 2) * " " |
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66 |
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67 |
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68 def ansi_rjust(s, width): |
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69 """ljust method handling ANSI escape codes""" |
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70 cleaned = regex.ansiRemove(s) |
| 3028 | 71 return " " * (width - len(cleaned)) + s |
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72 |
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73 |
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74 def getTmpDir(sat_conf, cat_dir, sub_dir=None): |
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75 """Return directory used to store temporary files |
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76 |
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77 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
| 3040 | 78 @param cat_dir(str): directory of the category (e.g. "blog") |
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79 @param sub_dir(str): sub directory where data need to be put |
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80 profile can be used here, or special directory name |
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81 sub_dir will be escaped to be usable in path (use regex.pathUnescape to find |
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82 initial str) |
| 3040 | 83 @return (Path): path to the dir |
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84 """ |
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85 local_dir = config.getConfig(sat_conf, "", "local_dir", Exception) |
| 3040 | 86 path_elts = [local_dir, cat_dir] |
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87 if sub_dir is not None: |
| 3040 | 88 path_elts.append(regex.pathEscape(sub_dir)) |
| 89 return Path(*path_elts) | |
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90 |
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91 |
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92 def parse_args(host, cmd_line, **format_kw): |
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93 """Parse command arguments |
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94 |
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95 @param cmd_line(unicode): command line as found in sat.conf |
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96 @param format_kw: keywords used for formating |
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97 @return (list(unicode)): list of arguments to pass to subprocess function |
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98 """ |
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99 try: |
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100 # we split the arguments and add the known fields |
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101 # we split arguments first to avoid escaping issues in file names |
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102 return [a.format(**format_kw) for a in shlex.split(cmd_line)] |
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103 except ValueError as e: |
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104 host.disp( |
| 3028 | 105 "Couldn't parse editor cmd [{cmd}]: {reason}".format(cmd=cmd_line, reason=e) |
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106 ) |
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107 return [] |
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108 |
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109 |
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110 class BaseEdit(object): |
| 3028 | 111 """base class for editing commands |
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112 |
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113 This class allows to edit file for PubSub or something else. |
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114 It works with temporary files in SàT local_dir, in a "cat_dir" subdir |
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115 """ |
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116 |
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117 def __init__(self, host, cat_dir, use_metadata=False): |
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118 """ |
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119 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
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120 @param cat_dir(unicode): directory to use for drafts |
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121 this will be a sub-directory of SàT's local_dir |
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122 @param use_metadata(bool): True is edition need a second file for metadata |
| 3040 | 123 most of signature change with use_metadata with an additional metadata |
| 124 argument. | |
| 125 This is done to raise error if a command needs metadata but forget the flag, | |
| 126 and vice versa | |
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127 """ |
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128 self.host = host |
| 3040 | 129 self.cat_dir = cat_dir |
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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 |
| 3040 | 138 @param path(Path, str): file to unlink |
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139 """ |
| 3040 | 140 path = Path(path).resolve() |
| 141 if not path.is_file: | |
| 3028 | 142 raise OSError("path must link to a regular file") |
| 3040 | 143 if path.parent != getTmpDir(self.sat_conf, self.cat_dir): |
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144 self.disp( |
| 3040 | 145 f"File {path} is not in SàT temporary hierarchy, we do not remove " |
| 146 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( |
| 3028 | 159 "Backuping file {src} to {dst}".format( |
| 160 src=path, dst=backup_path | |
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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]: |
| 3028 | 170 self.host.disp("Purging backup file {}".format(path), 2) |
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171 os.unlink(path) |
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172 |
| 3040 | 173 async def runEditor(self, editor_args_opt, content_file_path, content_file_obj, |
| 174 meta_file_path=None, meta_ori=None): | |
| 175 """Run editor to edit content and metadata | |
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176 |
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177 @param editor_args_opt(unicode): option in [jp] section in configuration for |
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178 specific args |
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179 @param content_file_path(str): path to the content file |
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180 @param content_file_obj(file): opened file instance |
| 3040 | 181 @param meta_file_path(str, Path, None): metadata file path |
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182 if None metadata will not be used |
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183 @param meta_ori(dict, None): original cotent of metadata |
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184 can't be used if use_metadata is False |
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185 """ |
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186 if not self.use_metadata: |
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187 assert meta_file_path is None |
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188 assert meta_ori is None |
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189 |
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190 # we calculate hashes to check for modifications |
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191 import hashlib |
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192 |
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193 content_file_obj.seek(0) |
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194 tmp_ori_hash = hashlib.sha1(content_file_obj.read()).digest() |
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195 content_file_obj.close() |
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196 |
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197 # we prepare arguments |
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198 editor = config.getConfig(self.sat_conf, "jp", "editor") or os.getenv( |
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199 "EDITOR", "vi" |
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200 ) |
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201 try: |
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202 # is there custom arguments in sat.conf ? |
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203 editor_args = config.getConfig( |
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204 self.sat_conf, "jp", editor_args_opt, Exception |
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205 ) |
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206 except (NoOptionError, NoSectionError): |
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207 # no, we check if we know the editor and have special arguments |
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208 if self.use_metadata: |
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209 editor_args = EDITOR_ARGS_MAGIC.get(os.path.basename(editor), "") |
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210 else: |
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211 editor_args = "" |
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212 parse_kwargs = {"content_file": content_file_path} |
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213 if self.use_metadata: |
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214 parse_kwargs["metadata_file"] = meta_file_path |
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215 args = parse_args(self.host, editor_args, **parse_kwargs) |
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216 if not args: |
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217 args = [content_file_path] |
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218 |
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219 # actual editing |
| 3040 | 220 editor_process = await asyncio.create_subprocess_exec( |
| 221 editor, *[str(a) for a in args]) | |
| 222 editor_exit = await editor_process.wait() | |
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223 |
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224 # edition will now be checked, and data will be sent if it was a success |
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225 if editor_exit != 0: |
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226 self.disp( |
| 3040 | 227 f"Editor exited with an error code, so temporary file has not be " |
| 228 f"deleted, and item is not published.\nYou can find temporary file " | |
| 229 f"at {content_file_path}", | |
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230 error=True, |
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231 ) |
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232 else: |
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233 # main content |
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234 try: |
| 3040 | 235 with content_file_path.open("rb") as f: |
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236 content = f.read() |
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237 except (OSError, IOError): |
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238 self.disp( |
| 3040 | 239 f"Can read file at {content_file_path}, have it been deleted?\n" |
| 240 f"Cancelling edition", | |
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241 error=True, |
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242 ) |
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243 self.host.quit(C.EXIT_NOT_FOUND) |
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244 |
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245 # metadata |
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246 if self.use_metadata: |
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247 try: |
| 3040 | 248 with meta_file_path.open("rb") as f: |
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249 metadata = json.load(f) |
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250 except (OSError, IOError): |
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251 self.disp( |
| 3040 | 252 f"Can read file at {meta_file_path}, have it been deleted?\n" |
| 253 f"Cancelling edition", | |
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254 error=True, |
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255 ) |
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256 self.host.quit(C.EXIT_NOT_FOUND) |
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257 except ValueError: |
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258 self.disp( |
| 3040 | 259 f"Can't parse metadata, please check it is correct JSON format. " |
| 260 f"Cancelling edition.\nYou can find tmp file at " | |
| 261 f"{content_file_path} and temporary meta file at " | |
| 262 f"{meta_file_path}.", | |
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263 error=True, |
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264 ) |
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265 self.host.quit(C.EXIT_DATA_ERROR) |
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266 |
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267 if self.use_metadata and not metadata.get("publish", True): |
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268 self.disp( |
| 3040 | 269 f'Publication blocked by "publish" key in metadata, cancelling ' |
| 270 f'edition.\n\ntemporary file path:\t{content_file_path}\nmetadata ' | |
| 271 f'file path:\t{meta_file_path}', | |
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272 error=True, |
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273 ) |
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274 self.host.quit() |
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275 |
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276 if len(content) == 0: |
| 3028 | 277 self.disp("Content is empty, cancelling the edition") |
| 3040 | 278 if content_file_path.parent != getTmpDir(self.sat_conf, self.cat_dir): |
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279 self.disp( |
| 3028 | 280 "File are not in SàT temporary hierarchy, we do not remove them", |
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281 2, |
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282 ) |
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283 self.host.quit() |
| 3040 | 284 self.disp(f"Deletion of {content_file_path}", 2) |
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285 os.unlink(content_file_path) |
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286 if self.use_metadata: |
| 3040 | 287 self.disp(f"Deletion of {meta_file_path}".format(meta_file_path), 2) |
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288 os.unlink(meta_file_path) |
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289 self.host.quit() |
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290 |
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291 # time to re-check the hash |
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292 elif tmp_ori_hash == hashlib.sha1(content).digest() and ( |
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293 not self.use_metadata or meta_ori == metadata |
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294 ): |
| 3028 | 295 self.disp("The content has not been modified, cancelling the edition") |
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296 self.host.quit() |
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297 |
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298 else: |
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299 # we can now send the item |
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300 content = content.decode("utf-8-sig") # we use utf-8-sig to avoid BOM |
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301 try: |
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302 if self.use_metadata: |
| 3040 | 303 await self.publish(content, metadata) |
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304 else: |
| 3040 | 305 await self.publish(content) |
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306 except Exception as e: |
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307 if self.use_metadata: |
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308 self.disp( |
| 3040 | 309 f"Error while sending your item, the temporary files have " |
| 310 f"been kept at {content_file_path} and {meta_file_path}: " | |
| 311 f"{e}", | |
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312 error=True, |
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313 ) |
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314 else: |
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315 self.disp( |
| 3040 | 316 f"Error while sending your item, the temporary file has been " |
| 317 f"kept at {content_file_path}: {e}", | |
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318 error=True, |
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319 ) |
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320 self.host.quit(1) |
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321 |
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322 self.secureUnlink(content_file_path) |
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323 if self.use_metadata: |
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324 self.secureUnlink(meta_file_path) |
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325 |
| 3040 | 326 async def publish(self, content): |
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327 # if metadata is needed, publish will be called with it last argument |
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328 raise NotImplementedError |
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329 |
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330 def getTmpFile(self): |
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331 """Create a temporary file |
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332 |
| 3040 | 333 @return (tuple(file, Path)): opened (w+b) file object and file path |
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334 """ |
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335 suff = "." + self.getTmpSuff() |
| 3040 | 336 cat_dir_str = self.cat_dir |
| 337 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir, self.profile) | |
| 338 if not tmp_dir.exists(): | |
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339 try: |
| 3040 | 340 tmp_dir.mkdir(parents=True) |
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341 except OSError as e: |
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342 self.disp( |
| 3040 | 343 f"Can't create {tmp_dir} directory: {e}", |
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344 error=True, |
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345 ) |
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346 self.host.quit(1) |
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347 try: |
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348 fd, path = tempfile.mkstemp( |
| 3040 | 349 suffix=suff, |
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350 prefix=time.strftime(cat_dir_str + "_%Y-%m-%d_%H:%M:%S_"), |
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351 dir=tmp_dir, |
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352 text=True, |
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353 ) |
| 3040 | 354 return os.fdopen(fd, "w+b"), Path(path) |
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355 except OSError as e: |
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356 self.disp( |
| 3040 | 357 f"Can't create temporary file: {e}", error=True |
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358 ) |
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359 self.host.quit(1) |
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360 |
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361 def getCurrentFile(self, profile): |
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362 """Get most recently edited file |
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363 |
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364 @param profile(unicode): profile linked to the draft |
| 3040 | 365 @return(Path): full path of current file |
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366 """ |
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367 # we guess the item currently edited by choosing |
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368 # the most recent file corresponding to temp file pattern |
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369 # in tmp_dir, excluding metadata files |
| 3040 | 370 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir, profile) |
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371 available = [ |
| 3040 | 372 p |
| 373 for p in tmp_dir.glob(f'{self.cat_dir}_*') | |
| 374 if not p.match(f"*{METADATA_SUFF}") | |
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375 ] |
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376 if not available: |
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377 self.disp( |
| 3040 | 378 f"Could not find any content draft in {tmp_dir}", |
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379 error=True, |
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380 ) |
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381 self.host.quit(1) |
| 3040 | 382 return max(available, key=lambda p: p.stat().st_mtime) |
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383 |
| 3040 | 384 async def getItemData(self, service, node, item): |
|
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385 """return formatted content, metadata (or not if use_metadata is false), and item id""" |
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386 raise NotImplementedError |
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387 |
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388 def getTmpSuff(self): |
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389 """return suffix used for content file""" |
| 3028 | 390 return "xml" |
|
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391 |
| 3040 | 392 async def getItemPath(self): |
| 393 """Retrieve item path (i.e. service and node) from item argument | |
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394 |
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395 This method is obviously only useful for edition of PubSub based features |
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396 """ |
| 2532 | 397 service = self.args.service |
| 398 node = self.args.node | |
| 399 item = self.args.item | |
| 400 last_item = self.args.last_item | |
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401 |
| 2532 | 402 if self.args.current: |
| 403 # user wants to continue current draft | |
| 404 content_file_path = self.getCurrentFile(self.profile) | |
| 3028 | 405 self.disp("Continuing edition of current draft", 2) |
| 3040 | 406 content_file_obj = content_file_path.open("r+b") |
| 2532 | 407 # we seek at the end of file in case of an item already exist |
| 408 # this will write content of the existing item at the end of the draft. | |
| 409 # This way no data should be lost. | |
| 410 content_file_obj.seek(0, os.SEEK_END) | |
| 411 elif self.args.draft_path: | |
| 412 # there is an existing draft that we use | |
| 3040 | 413 content_file_path = self.args.draft_path.expanduser() |
| 414 content_file_obj = content_file_path.open("r+b") | |
| 2532 | 415 # we seek at the end for the same reason as above |
| 416 content_file_obj.seek(0, os.SEEK_END) | |
| 417 else: | |
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418 # we need a temporary file |
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419 content_file_obj, content_file_path = self.getTmpFile() |
| 2532 | 420 |
| 421 if item or last_item: | |
| 3028 | 422 self.disp("Editing requested published item", 2) |
| 2532 | 423 try: |
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424 if self.use_metadata: |
| 3040 | 425 content, metadata, item = await self.getItemData(service, node, item) |
| 2532 | 426 else: |
| 3040 | 427 content, item = await self.getItemData(service, node, item) |
| 2532 | 428 except Exception as e: |
| 429 # FIXME: ugly but we have not good may to check errors in bridge | |
| 3028 | 430 if "item-not-found" in str(e): |
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431 # item doesn't exist, we create a new one with requested id |
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432 metadata = None |
| 2532 | 433 if last_item: |
| 3028 | 434 self.disp(_("no item found at all, we create a new one"), 2) |
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435 else: |
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436 self.disp( |
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437 _( |
| 3040 | 438 f'item "{item}" not found, we create a new item with' |
| 439 f'this id' | |
| 440 ), | |
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441 2, |
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442 ) |
| 2532 | 443 content_file_obj.seek(0) |
| 444 else: | |
| 3040 | 445 self.disp(f"Error while retrieving item: {e}") |
| 2532 | 446 self.host.quit(C.EXIT_ERROR) |
| 447 else: | |
| 448 # item exists, we write content | |
| 449 if content_file_obj.tell() != 0: | |
| 450 # we already have a draft, | |
| 451 # we copy item content after it and add an indicator | |
|
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452 content_file_obj.write("\n*****\n") |
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453 content_file_obj.write(content.encode("utf-8")) |
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454 content_file_obj.seek(0) |
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455 self.disp( |
| 3040 | 456 _(f'item "{item}" found, we edit it'), 2 |
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457 ) |
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458 else: |
| 3028 | 459 self.disp("Editing a new item", 2) |
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460 if self.use_metadata: |
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461 metadata = None |
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462 |
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463 if self.use_metadata: |
| 2532 | 464 return service, node, item, content_file_path, content_file_obj, metadata |
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465 else: |
| 2532 | 466 return service, node, item, content_file_path, content_file_obj |
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467 |
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468 |
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469 class Table(object): |
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470 def __init__(self, host, data, headers=None, filters=None, use_buffer=False): |
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471 """ |
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472 @param data(iterable[list]): table data |
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473 all lines must have the same number of columns |
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474 @param headers(iterable[unicode], None): names/titles of the columns |
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475 if not None, must have same number of columns as data |
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476 @param filters(iterable[(callable, unicode)], None): values filters |
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477 the callable will get 2 arguments: |
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478 - current column value |
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479 - RowData with all columns values |
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480 if may also only use 1 argument, which will then be current col value. |
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481 the callable must return a string |
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482 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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483 if not None, must have same number of columns as data |
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484 @param use_buffer(bool): if True, bufferise output instead of printing it directly |
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485 """ |
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486 self.host = host |
|
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487 self._buffer = [] if use_buffer else None |
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488 # headers are columns names/titles, can be None |
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489 self.headers = headers |
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490 # sizes fof columns without headers, |
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491 # headers may be larger |
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492 self.sizes = [] |
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493 # rows countains one list per row with columns values |
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494 self.rows = [] |
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495 |
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496 size = None |
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497 if headers: |
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498 row_cls = namedtuple("RowData", headers) |
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499 else: |
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500 row_cls = tuple |
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501 |
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502 for row_data in data: |
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503 new_row = [] |
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504 row_data_list = list(row_data) |
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505 for idx, value in enumerate(row_data_list): |
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506 if filters is not None and filters[idx] is not None: |
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507 filter_ = filters[idx] |
| 3028 | 508 if isinstance(filter_, str): |
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509 col_value = filter_.format(value) |
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510 else: |
|
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511 try: |
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512 col_value = filter_(value, row_cls(*row_data_list)) |
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513 except TypeError: |
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514 col_value = filter_(value) |
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515 # we count size without ANSI code as they will change length of the string |
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516 # when it's mostly style/color changes. |
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517 col_size = len(regex.ansiRemove(col_value)) |
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518 else: |
| 3028 | 519 col_value = str(value) |
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520 col_size = len(col_value) |
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521 new_row.append(col_value) |
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522 if size is None: |
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523 self.sizes.append(col_size) |
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524 else: |
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525 self.sizes[idx] = max(self.sizes[idx], col_size) |
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526 if size is None: |
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527 size = len(new_row) |
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528 if headers is not None and len(headers) != size: |
| 3028 | 529 raise exceptions.DataError("headers size is not coherent with rows") |
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530 else: |
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531 if len(new_row) != size: |
| 3028 | 532 raise exceptions.DataError("rows size is not coherent") |
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533 self.rows.append(new_row) |
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534 |
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535 if not data and headers is not None: |
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536 # the table is empty, we print headers at their lenght |
|
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537 self.sizes = [len(h) for h in headers] |
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538 |
|
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539 @property |
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540 def string(self): |
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541 if self._buffer is None: |
| 3028 | 542 raise exceptions.InternalError("buffer must be used to get a string") |
| 543 return "\n".join(self._buffer) | |
|
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544 |
|
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545 @staticmethod |
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546 def readDictValues(data, keys, defaults=None): |
|
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547 if defaults is None: |
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548 defaults = {} |
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549 for key in keys: |
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550 try: |
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551 yield data[key] |
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552 except KeyError as e: |
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553 default = defaults.get(key) |
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554 if default is not None: |
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555 yield default |
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556 else: |
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557 raise e |
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558 |
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559 @classmethod |
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560 def fromDict(cls, host, data, keys=None, headers=None, filters=None, defaults=None): |
|
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561 """Prepare a table to display it |
|
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562 |
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563 the whole data will be read and kept into memory, |
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564 to be printed |
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565 @param data(list[dict[unicode, unicode]]): data to create the table from |
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566 @param keys(iterable[unicode], None): keys to get |
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567 if None, all keys will be used |
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568 @param headers(iterable[unicode], None): name of the columns |
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569 names must be in same order as keys |
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570 @param filters(dict[unicode, (callable,unicode)), None): filter to use on values |
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571 keys correspond to keys to filter, and value is the same as for Table.__init__ |
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572 @param defaults(dict[unicode, unicode]): default value to use |
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573 if None, an exception will be raised if not value is found |
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574 """ |
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575 if keys is None and headers is not None: |
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576 # FIXME: keys are not needed with OrderedDict, |
| 3028 | 577 raise exceptions.DataError("You must specify keys order to used headers") |
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578 if keys is None: |
| 3028 | 579 keys = list(data[0].keys()) |
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580 if headers is None: |
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581 headers = keys |
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582 filters = [filters.get(k) for k in keys] |
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583 return cls( |
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584 host, (cls.readDictValues(d, keys, defaults) for d in data), headers, filters |
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585 ) |
|
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586 |
| 3028 | 587 def _headers(self, head_sep, headers, sizes, alignment="left", style=None): |
|
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588 """Render headers |
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589 |
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590 @param head_sep(unicode): sequence to use as separator |
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591 @param alignment(unicode): how to align, can be left, center or right |
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592 @param style(unicode, iterable[unicode], None): ANSI escape sequences to apply |
|
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593 @param headers(list[unicode]): headers to show |
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594 @param sizes(list[int]): sizes of columns |
|
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595 """ |
|
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596 rendered_headers = [] |
| 3028 | 597 if isinstance(style, str): |
|
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598 style = [style] |
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599 for idx, header in enumerate(headers): |
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600 size = sizes[idx] |
| 3028 | 601 if alignment == "left": |
|
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602 rendered = header[:size].ljust(size) |
| 3028 | 603 elif alignment == "center": |
|
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604 rendered = header[:size].center(size) |
| 3028 | 605 elif alignment == "right": |
|
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606 rendered = header[:size].rjust(size) |
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607 else: |
| 3028 | 608 raise exceptions.InternalError("bad alignment argument") |
|
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609 if style: |
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610 args = style + [rendered] |
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611 rendered = A.color(*args) |
|
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612 rendered_headers.append(rendered) |
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613 return head_sep.join(rendered_headers) |
|
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614 |
|
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615 def _disp(self, data): |
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616 """output data (can be either bufferised or printed)""" |
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617 if self._buffer is not None: |
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618 self._buffer.append(data) |
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619 else: |
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620 self.host.disp(data) |
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621 |
|
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622 def display( |
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623 self, |
| 3028 | 624 head_alignment="left", |
| 625 columns_alignment="left", | |
|
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626 head_style=None, |
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627 show_header=True, |
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628 show_borders=True, |
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629 hide_cols=None, |
| 3028 | 630 col_sep=" │ ", |
| 631 top_left="┌", | |
| 632 top="─", | |
| 633 top_sep="─┬─", | |
| 634 top_right="┐", | |
| 635 left="│", | |
|
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636 right=None, |
|
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637 head_sep=None, |
| 3028 | 638 head_line="┄", |
| 639 head_line_left="├", | |
| 640 head_line_sep="┄┼┄", | |
| 641 head_line_right="┤", | |
| 642 bottom_left="└", | |
|
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643 bottom=None, |
| 3028 | 644 bottom_sep="─┴─", |
| 645 bottom_right="┘", | |
|
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646 ): |
|
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647 """Print the table |
|
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648 |
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649 @param show_header(bool): True if header need no be shown |
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650 @param show_borders(bool): True if borders need no be shown |
|
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651 @param hide_cols(None, iterable(unicode)): columns which should not be displayed |
|
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652 @param head_alignment(unicode): how to align headers, can be left, center or right |
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653 @param columns_alignment(unicode): how to align columns, can be left, center or right |
|
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654 @param col_sep(unicode): separator betweens columns |
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655 @param head_line(unicode): character to use to make line under head |
|
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656 @param disp(callable, None): method to use to display the table |
|
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657 None to use self.host.disp |
|
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658 """ |
|
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659 if not self.sizes: |
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660 # the table is empty |
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661 return |
|
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662 col_sep_size = len(regex.ansiRemove(col_sep)) |
|
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663 |
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664 # if we have columns to hide, we remove them from headers and size |
|
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665 if not hide_cols: |
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666 headers = self.headers |
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667 sizes = self.sizes |
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668 else: |
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669 headers = list(self.headers) |
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670 sizes = self.sizes[:] |
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671 ignore_idx = [headers.index(to_hide) for to_hide in hide_cols] |
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672 for to_hide in hide_cols: |
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673 hide_idx = headers.index(to_hide) |
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674 del headers[hide_idx] |
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675 del sizes[hide_idx] |
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676 |
|
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677 if right is None: |
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678 right = left |
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679 if top_sep is None: |
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680 top_sep = col_sep_size * top |
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681 if head_sep is None: |
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682 head_sep = col_sep |
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683 if bottom is None: |
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684 bottom = top |
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685 if bottom_sep is None: |
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686 bottom_sep = col_sep_size * bottom |
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687 if not show_borders: |
| 3028 | 688 left = right = head_line_left = head_line_right = "" |
|
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689 # top border |
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690 if show_borders: |
|
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691 self._disp( |
|
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692 top_left + top_sep.join([top * size for size in sizes]) + top_right |
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693 ) |
|
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694 |
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695 # headers |
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696 if show_header: |
|
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697 self._disp( |
|
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698 left |
|
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699 + self._headers(head_sep, headers, sizes, head_alignment, head_style) |
|
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700 + right |
|
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701 ) |
|
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702 # header line |
|
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703 self._disp( |
|
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704 head_line_left |
|
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705 + head_line_sep.join([head_line * size for size in sizes]) |
|
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|
706 + head_line_right |
|
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707 ) |
|
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|
708 |
|
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|
709 # content |
| 3028 | 710 if columns_alignment == "left": |
|
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711 alignment = lambda idx, s: ansi_ljust(s, sizes[idx]) |
| 3028 | 712 elif columns_alignment == "center": |
|
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713 alignment = lambda idx, s: ansi_center(s, sizes[idx]) |
| 3028 | 714 elif columns_alignment == "right": |
|
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715 alignment = lambda idx, s: ansi_rjust(s, sizes[idx]) |
|
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716 else: |
| 3028 | 717 raise exceptions.InternalError("bad columns alignment argument") |
|
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|
718 |
|
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719 for row in self.rows: |
|
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720 if hide_cols: |
|
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721 row = [v for idx, v in enumerate(row) if idx not in ignore_idx] |
|
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|
722 self._disp( |
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|
723 left |
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724 + col_sep.join([alignment(idx, c) for idx, c in enumerate(row)]) |
|
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725 + right |
|
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|
726 ) |
|
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|
727 |
|
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|
728 if show_borders: |
|
276e546b7619
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|
729 # bottom border |
|
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|
730 self._disp( |
|
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|
731 bottom_left |
|
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|
732 + bottom_sep.join([bottom * size for size in sizes]) |
|
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|
733 + bottom_right |
|
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734 ) |
|
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|
735 # we return self so string can be used after display (table.display().string) |
|
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|
736 return self |
|
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|
737 |
|
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|
738 def display_blank(self, **kwargs): |
|
276e546b7619
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|
739 """Display table without visible borders""" |
| 3028 | 740 kwargs_ = {"col_sep": " ", "head_line_sep": " ", "show_borders": False} |
|
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|
741 kwargs_.update(kwargs) |
|
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742 return self.display(**kwargs_) |
|
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|
743 |
|
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|
744 |
| 3040 | 745 async def fill_well_known_uri(command, path, key, meta_map=None): |
| 746 """Look for URIs in well-known location and fill appropriate args if suitable | |
| 747 | |
| 748 @param command(CommandBase): command instance | |
| 749 args of this instance will be updated with found values | |
| 750 @param path(unicode): absolute path to use as a starting point to look for URIs | |
| 751 @param key(unicode): key to look for | |
| 752 @param meta_map(dict, None): if not None, map metadata to arg name | |
| 753 key is metadata used attribute name | |
| 754 value is name to actually use, or None to ignore | |
| 755 use empty dict to only retrieve URI | |
| 756 possible keys are currently: | |
| 757 - labels | |
| 758 """ | |
| 759 args = command.args | |
| 760 if args.service or args.node: | |
| 761 # we only look for URIs if a service and a node are not already specified | |
| 762 return | |
| 763 | |
| 764 host = command.host | |
|
2551
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changeset
|
765 |
| 3040 | 766 try: |
| 767 uris_data = await host.bridge.URIFind(path, [key]) | |
| 768 except Exception as e: | |
| 769 host.disp(f"can't find {key} URI: {e}", error=True) | |
| 770 host.quit(C.EXIT_BRIDGE_ERRBACK) | |
|
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changeset
|
771 |
| 3040 | 772 try: |
| 773 uri_data = uris_data[key] | |
| 774 except KeyError: | |
| 775 host.disp( | |
| 776 _(f"No {key} URI specified for this project, please specify service and " | |
| 777 f"node"), | |
| 778 error=True, | |
| 779 ) | |
| 780 host.quit(C.EXIT_NOT_FOUND) | |
|
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changeset
|
781 |
| 3040 | 782 uri = uri_data["uri"] |
| 783 | |
| 784 # set extra metadata if they are specified | |
| 785 for data_key in ['labels']: | |
| 786 new_values_json = uri_data.get(data_key) | |
|
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changeset
|
787 if uri_data is not None: |
| 3040 | 788 if meta_map is None: |
| 789 dest = data_key | |
|
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changeset
|
790 else: |
| 3040 | 791 dest = meta_map.get(data_key) |
|
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|
792 if dest is None: |
| 3040 | 793 continue |
|
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changeset
|
794 |
|
501b0f827f63
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changeset
|
795 try: |
| 3040 | 796 values = getattr(args, data_key) |
|
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changeset
|
797 except AttributeError: |
| 3040 | 798 raise exceptions.InternalError(f'there is no {data_key!r} arguments') |
|
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|
799 else: |
|
501b0f827f63
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changeset
|
800 if values is None: |
|
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|
801 values = [] |
|
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|
802 values.extend(json.loads(new_values_json)) |
| 3040 | 803 setattr(args, dest, values) |
|
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changeset
|
804 |
| 3040 | 805 parsed_uri = xmpp_uri.parseXMPPUri(uri) |
| 806 try: | |
| 807 args.service = parsed_uri["path"] | |
| 808 args.node = parsed_uri["node"] | |
| 809 except KeyError: | |
| 810 host.disp(_(f"Invalid URI found: {uri}"), error=True) | |
| 811 host.quit(C.EXIT_DATA_ERROR) |