Mercurial > libervia-backend
annotate sat_frontends/jp/common.py @ 3704:c143e7f35074
cli (base): better background detection:
- ANSI escape code detection is only used on terminals known to be compatible (currently
xterm, konsole, and all VTE based ones)
- `COLORFGBG` environment variable is used as fallback
- if both methods fail, `dark` is used
This should avoid problems with incompatible terminals (e.g. on QTerminal, users had to
press `[ENTER]` each time).
fix 406
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Sat, 06 Nov 2021 17:08:50 +0100 |
| parents | fc24e611c9aa |
| children | 742e466fa000 |
| 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 # default 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 "nvim": VIM_SPLIT_ARGS + " {content_file} {metadata_file}", |
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45 "gvim": VIM_SPLIT_ARGS + " --nofork {content_file} {metadata_file}", |
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46 "emacs": EMACS_SPLIT_ARGS + " {content_file} {metadata_file}", |
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47 "xemacs": EMACS_SPLIT_ARGS + " {content_file} {metadata_file}", |
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48 "nano": " -F {content_file} {metadata_file}", |
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49 } |
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50 |
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51 SECURE_UNLINK_MAX = 10 |
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52 SECURE_UNLINK_DIR = ".backup" |
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53 METADATA_SUFF = "_metadata.json" |
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54 |
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55 |
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56 def ansi_ljust(s, width): |
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57 """ljust method handling ANSI escape codes""" |
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58 cleaned = regex.ansiRemove(s) |
| 3028 | 59 return s + " " * (width - len(cleaned)) |
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60 |
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61 |
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62 def ansi_center(s, width): |
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63 """ljust method handling ANSI escape codes""" |
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64 cleaned = regex.ansiRemove(s) |
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65 diff = width - len(cleaned) |
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66 half = diff / 2 |
| 3028 | 67 return half * " " + s + (half + diff % 2) * " " |
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68 |
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69 |
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70 def ansi_rjust(s, width): |
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71 """ljust method handling ANSI escape codes""" |
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72 cleaned = regex.ansiRemove(s) |
| 3028 | 73 return " " * (width - len(cleaned)) + s |
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74 |
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75 |
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76 def getTmpDir(sat_conf, cat_dir, sub_dir=None): |
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77 """Return directory used to store temporary files |
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78 |
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79 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
| 3040 | 80 @param cat_dir(str): directory of the category (e.g. "blog") |
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81 @param sub_dir(str): sub directory where data need to be put |
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82 profile can be used here, or special directory name |
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83 sub_dir will be escaped to be usable in path (use regex.pathUnescape to find |
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84 initial str) |
| 3040 | 85 @return (Path): path to the dir |
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86 """ |
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87 local_dir = config.getConfig(sat_conf, "", "local_dir", Exception) |
| 3040 | 88 path_elts = [local_dir, cat_dir] |
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89 if sub_dir is not None: |
| 3040 | 90 path_elts.append(regex.pathEscape(sub_dir)) |
| 91 return Path(*path_elts) | |
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92 |
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93 |
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94 def parse_args(host, cmd_line, **format_kw): |
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95 """Parse command arguments |
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96 |
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97 @param cmd_line(unicode): command line as found in sat.conf |
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98 @param format_kw: keywords used for formating |
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99 @return (list(unicode)): list of arguments to pass to subprocess function |
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100 """ |
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101 try: |
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102 # we split the arguments and add the known fields |
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103 # we split arguments first to avoid escaping issues in file names |
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104 return [a.format(**format_kw) for a in shlex.split(cmd_line)] |
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105 except ValueError as e: |
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106 host.disp( |
| 3028 | 107 "Couldn't parse editor cmd [{cmd}]: {reason}".format(cmd=cmd_line, reason=e) |
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108 ) |
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109 return [] |
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110 |
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111 |
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112 class BaseEdit(object): |
| 3028 | 113 """base class for editing commands |
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114 |
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115 This class allows to edit file for PubSub or something else. |
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116 It works with temporary files in SàT local_dir, in a "cat_dir" subdir |
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117 """ |
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118 |
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119 def __init__(self, host, cat_dir, use_metadata=False): |
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120 """ |
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121 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
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122 @param cat_dir(unicode): directory to use for drafts |
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123 this will be a sub-directory of SàT's local_dir |
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124 @param use_metadata(bool): True is edition need a second file for metadata |
| 3040 | 125 most of signature change with use_metadata with an additional metadata |
| 126 argument. | |
| 127 This is done to raise error if a command needs metadata but forget the flag, | |
| 128 and vice versa | |
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129 """ |
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130 self.host = host |
| 3040 | 131 self.cat_dir = cat_dir |
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132 self.use_metadata = use_metadata |
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133 |
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134 def secureUnlink(self, path): |
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135 """Unlink given path after keeping it for a while |
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136 |
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137 This method is used to prevent accidental deletion of a draft |
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138 If there are more file in SECURE_UNLINK_DIR than SECURE_UNLINK_MAX, |
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139 older file are deleted |
| 3040 | 140 @param path(Path, str): file to unlink |
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141 """ |
| 3040 | 142 path = Path(path).resolve() |
| 143 if not path.is_file: | |
| 3028 | 144 raise OSError("path must link to a regular file") |
| 3040 | 145 if path.parent != getTmpDir(self.sat_conf, self.cat_dir): |
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146 self.disp( |
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147 f"File {path} is not in SàT temporary hierarchy, we do not remove " f"it", |
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148 2, |
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149 ) |
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150 return |
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151 # we have 2 files per draft with use_metadata, so we double max |
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152 unlink_max = SECURE_UNLINK_MAX * 2 if self.use_metadata else SECURE_UNLINK_MAX |
| 3040 | 153 backup_dir = getTmpDir(self.sat_conf, self.cat_dir, SECURE_UNLINK_DIR) |
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154 if not os.path.exists(backup_dir): |
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155 os.makedirs(backup_dir) |
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156 filename = os.path.basename(path) |
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157 backup_path = os.path.join(backup_dir, filename) |
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158 # we move file to backup dir |
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159 self.host.disp( |
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160 "Backuping file {src} to {dst}".format(src=path, dst=backup_path), |
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161 1, |
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162 ) |
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163 os.rename(path, backup_path) |
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164 # and if we exceeded the limit, we remove older file |
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165 backup_files = [os.path.join(backup_dir, f) for f in os.listdir(backup_dir)] |
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166 if len(backup_files) > unlink_max: |
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167 backup_files.sort(key=lambda path: os.stat(path).st_mtime) |
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168 for path in backup_files[: len(backup_files) - unlink_max]: |
| 3028 | 169 self.host.disp("Purging backup file {}".format(path), 2) |
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170 os.unlink(path) |
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171 |
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172 async def runEditor( |
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173 self, |
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174 editor_args_opt, |
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175 content_file_path, |
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176 content_file_obj, |
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177 meta_file_path=None, |
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178 meta_ori=None, |
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179 ): |
| 3040 | 180 """Run editor to edit content and metadata |
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181 |
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182 @param editor_args_opt(unicode): option in [jp] section in configuration for |
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183 specific args |
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184 @param content_file_path(str): path to the content file |
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185 @param content_file_obj(file): opened file instance |
| 3040 | 186 @param meta_file_path(str, Path, None): metadata file path |
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187 if None metadata will not be used |
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188 @param meta_ori(dict, None): original cotent of metadata |
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189 can't be used if use_metadata is False |
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190 """ |
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191 if not self.use_metadata: |
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192 assert meta_file_path is None |
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193 assert meta_ori is None |
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194 |
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195 # we calculate hashes to check for modifications |
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196 import hashlib |
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197 |
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198 content_file_obj.seek(0) |
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199 tmp_ori_hash = hashlib.sha1(content_file_obj.read()).digest() |
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200 content_file_obj.close() |
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201 |
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202 # we prepare arguments |
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203 editor = config.getConfig(self.sat_conf, C.CONFIG_SECTION, "editor") or os.getenv( |
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204 "EDITOR", "vi" |
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205 ) |
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206 try: |
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207 # is there custom arguments in sat.conf ? |
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208 editor_args = config.getConfig( |
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209 self.sat_conf, C.CONFIG_SECTION, editor_args_opt, Exception |
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210 ) |
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211 except (NoOptionError, NoSectionError): |
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212 # no, we check if we know the editor and have special arguments |
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213 if self.use_metadata: |
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214 editor_args = EDITOR_ARGS_MAGIC.get(os.path.basename(editor), "") |
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215 else: |
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216 editor_args = "" |
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217 parse_kwargs = {"content_file": content_file_path} |
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218 if self.use_metadata: |
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219 parse_kwargs["metadata_file"] = meta_file_path |
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220 args = parse_args(self.host, editor_args, **parse_kwargs) |
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221 if not args: |
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222 args = [content_file_path] |
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223 |
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224 # actual editing |
| 3040 | 225 editor_process = await asyncio.create_subprocess_exec( |
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226 editor, *[str(a) for a in args] |
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227 ) |
| 3040 | 228 editor_exit = await editor_process.wait() |
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229 |
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230 # edition will now be checked, and data will be sent if it was a success |
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231 if editor_exit != 0: |
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232 self.disp( |
| 3040 | 233 f"Editor exited with an error code, so temporary file has not be " |
| 234 f"deleted, and item is not published.\nYou can find temporary file " | |
| 235 f"at {content_file_path}", | |
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236 error=True, |
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237 ) |
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238 else: |
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239 # main content |
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240 try: |
| 3040 | 241 with content_file_path.open("rb") as f: |
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242 content = f.read() |
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243 except (OSError, IOError): |
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244 self.disp( |
| 3040 | 245 f"Can read file at {content_file_path}, have it been deleted?\n" |
| 246 f"Cancelling edition", | |
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247 error=True, |
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248 ) |
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249 self.host.quit(C.EXIT_NOT_FOUND) |
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250 |
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251 # metadata |
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252 if self.use_metadata: |
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253 try: |
| 3040 | 254 with meta_file_path.open("rb") as f: |
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255 metadata = json.load(f) |
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256 except (OSError, IOError): |
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257 self.disp( |
| 3040 | 258 f"Can read file at {meta_file_path}, have it been deleted?\n" |
| 259 f"Cancelling edition", | |
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260 error=True, |
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261 ) |
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262 self.host.quit(C.EXIT_NOT_FOUND) |
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263 except ValueError: |
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264 self.disp( |
| 3040 | 265 f"Can't parse metadata, please check it is correct JSON format. " |
| 266 f"Cancelling edition.\nYou can find tmp file at " | |
| 267 f"{content_file_path} and temporary meta file at " | |
| 268 f"{meta_file_path}.", | |
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269 error=True, |
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270 ) |
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271 self.host.quit(C.EXIT_DATA_ERROR) |
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272 |
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273 if self.use_metadata and not metadata.get("publish", True): |
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274 self.disp( |
| 3040 | 275 f'Publication blocked by "publish" key in metadata, cancelling ' |
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276 f"edition.\n\ntemporary file path:\t{content_file_path}\nmetadata " |
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277 f"file path:\t{meta_file_path}", |
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278 error=True, |
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279 ) |
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280 self.host.quit() |
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281 |
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282 if len(content) == 0: |
| 3028 | 283 self.disp("Content is empty, cancelling the edition") |
| 3040 | 284 if content_file_path.parent != getTmpDir(self.sat_conf, self.cat_dir): |
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285 self.disp( |
| 3028 | 286 "File are not in SàT temporary hierarchy, we do not remove them", |
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287 2, |
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288 ) |
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289 self.host.quit() |
| 3040 | 290 self.disp(f"Deletion of {content_file_path}", 2) |
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291 os.unlink(content_file_path) |
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292 if self.use_metadata: |
| 3040 | 293 self.disp(f"Deletion of {meta_file_path}".format(meta_file_path), 2) |
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294 os.unlink(meta_file_path) |
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295 self.host.quit() |
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296 |
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297 # time to re-check the hash |
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298 elif tmp_ori_hash == hashlib.sha1(content).digest() and ( |
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299 not self.use_metadata or meta_ori == metadata |
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300 ): |
| 3028 | 301 self.disp("The content has not been modified, cancelling the edition") |
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302 self.host.quit() |
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303 |
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304 else: |
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305 # we can now send the item |
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306 content = content.decode("utf-8-sig") # we use utf-8-sig to avoid BOM |
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307 try: |
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308 if self.use_metadata: |
| 3040 | 309 await self.publish(content, metadata) |
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310 else: |
| 3040 | 311 await self.publish(content) |
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312 except Exception as e: |
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313 if self.use_metadata: |
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314 self.disp( |
| 3040 | 315 f"Error while sending your item, the temporary files have " |
| 316 f"been kept at {content_file_path} and {meta_file_path}: " | |
| 317 f"{e}", | |
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318 error=True, |
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319 ) |
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320 else: |
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321 self.disp( |
| 3040 | 322 f"Error while sending your item, the temporary file has been " |
| 323 f"kept at {content_file_path}: {e}", | |
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324 error=True, |
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325 ) |
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326 self.host.quit(1) |
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327 |
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328 self.secureUnlink(content_file_path) |
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329 if self.use_metadata: |
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330 self.secureUnlink(meta_file_path) |
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331 |
| 3040 | 332 async def publish(self, content): |
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333 # if metadata is needed, publish will be called with it last argument |
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334 raise NotImplementedError |
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335 |
|
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336 def getTmpFile(self): |
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337 """Create a temporary file |
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338 |
| 3040 | 339 @return (tuple(file, Path)): opened (w+b) file object and file path |
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340 """ |
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341 suff = "." + self.getTmpSuff() |
| 3040 | 342 cat_dir_str = self.cat_dir |
| 343 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir, self.profile) | |
| 344 if not tmp_dir.exists(): | |
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345 try: |
| 3040 | 346 tmp_dir.mkdir(parents=True) |
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347 except OSError as e: |
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348 self.disp( |
| 3040 | 349 f"Can't create {tmp_dir} directory: {e}", |
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350 error=True, |
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351 ) |
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352 self.host.quit(1) |
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353 try: |
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354 fd, path = tempfile.mkstemp( |
| 3040 | 355 suffix=suff, |
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356 prefix=time.strftime(cat_dir_str + "_%Y-%m-%d_%H:%M:%S_"), |
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357 dir=tmp_dir, |
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358 text=True, |
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359 ) |
| 3040 | 360 return os.fdopen(fd, "w+b"), Path(path) |
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361 except OSError as e: |
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362 self.disp(f"Can't create temporary file: {e}", error=True) |
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363 self.host.quit(1) |
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364 |
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365 def getCurrentFile(self, profile): |
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366 """Get most recently edited file |
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367 |
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368 @param profile(unicode): profile linked to the draft |
| 3040 | 369 @return(Path): full path of current file |
|
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370 """ |
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371 # we guess the item currently edited by choosing |
|
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372 # the most recent file corresponding to temp file pattern |
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373 # in tmp_dir, excluding metadata files |
| 3040 | 374 tmp_dir = getTmpDir(self.sat_conf, self.cat_dir, profile) |
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375 available = [ |
| 3040 | 376 p |
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377 for p in tmp_dir.glob(f"{self.cat_dir}_*") |
| 3040 | 378 if not p.match(f"*{METADATA_SUFF}") |
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379 ] |
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380 if not available: |
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381 self.disp( |
| 3040 | 382 f"Could not find any content draft in {tmp_dir}", |
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383 error=True, |
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384 ) |
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385 self.host.quit(1) |
| 3040 | 386 return max(available, key=lambda p: p.stat().st_mtime) |
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387 |
| 3040 | 388 async def getItemData(self, service, node, item): |
|
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389 """return formatted content, metadata (or not if use_metadata is false), and item id""" |
|
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390 raise NotImplementedError |
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391 |
|
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392 def getTmpSuff(self): |
|
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393 """return suffix used for content file""" |
| 3028 | 394 return "xml" |
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395 |
| 3040 | 396 async def getItemPath(self): |
| 397 """Retrieve item path (i.e. service and node) from item argument | |
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398 |
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399 This method is obviously only useful for edition of PubSub based features |
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400 """ |
| 2532 | 401 service = self.args.service |
| 402 node = self.args.node | |
| 403 item = self.args.item | |
| 404 last_item = self.args.last_item | |
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405 |
| 2532 | 406 if self.args.current: |
| 407 # user wants to continue current draft | |
| 408 content_file_path = self.getCurrentFile(self.profile) | |
| 3028 | 409 self.disp("Continuing edition of current draft", 2) |
| 3040 | 410 content_file_obj = content_file_path.open("r+b") |
| 2532 | 411 # we seek at the end of file in case of an item already exist |
| 412 # this will write content of the existing item at the end of the draft. | |
| 413 # This way no data should be lost. | |
| 414 content_file_obj.seek(0, os.SEEK_END) | |
| 415 elif self.args.draft_path: | |
| 416 # there is an existing draft that we use | |
| 3040 | 417 content_file_path = self.args.draft_path.expanduser() |
| 418 content_file_obj = content_file_path.open("r+b") | |
| 2532 | 419 # we seek at the end for the same reason as above |
| 420 content_file_obj.seek(0, os.SEEK_END) | |
| 421 else: | |
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422 # we need a temporary file |
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423 content_file_obj, content_file_path = self.getTmpFile() |
| 2532 | 424 |
| 425 if item or last_item: | |
| 3028 | 426 self.disp("Editing requested published item", 2) |
| 2532 | 427 try: |
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428 if self.use_metadata: |
| 3040 | 429 content, metadata, item = await self.getItemData(service, node, item) |
| 2532 | 430 else: |
| 3040 | 431 content, item = await self.getItemData(service, node, item) |
| 2532 | 432 except Exception as e: |
| 433 # FIXME: ugly but we have not good may to check errors in bridge | |
| 3028 | 434 if "item-not-found" in str(e): |
|
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435 # item doesn't exist, we create a new one with requested id |
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436 metadata = None |
| 2532 | 437 if last_item: |
| 3028 | 438 self.disp(_("no item found at all, we create a new one"), 2) |
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439 else: |
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440 self.disp( |
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441 _( |
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442 'item "{item}" not found, we create a new item with' |
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443 "this id" |
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444 ).format(item=item), |
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445 2, |
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446 ) |
| 2532 | 447 content_file_obj.seek(0) |
| 448 else: | |
| 3040 | 449 self.disp(f"Error while retrieving item: {e}") |
| 2532 | 450 self.host.quit(C.EXIT_ERROR) |
| 451 else: | |
| 452 # item exists, we write content | |
| 453 if content_file_obj.tell() != 0: | |
| 454 # we already have a draft, | |
| 455 # we copy item content after it and add an indicator | |
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456 content_file_obj.write("\n*****\n") |
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457 content_file_obj.write(content.encode("utf-8")) |
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458 content_file_obj.seek(0) |
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459 self.disp(_('item "{item}" found, we edit it').format(item=item), 2) |
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460 else: |
| 3028 | 461 self.disp("Editing a new item", 2) |
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462 if self.use_metadata: |
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463 metadata = None |
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464 |
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465 if self.use_metadata: |
| 2532 | 466 return service, node, item, content_file_path, content_file_obj, metadata |
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467 else: |
| 2532 | 468 return service, node, item, content_file_path, content_file_obj |
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469 |
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470 |
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471 class Table(object): |
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472 def __init__(self, host, data, headers=None, filters=None, use_buffer=False): |
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473 """ |
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474 @param data(iterable[list]): table data |
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475 all lines must have the same number of columns |
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476 @param headers(iterable[unicode], None): names/titles of the columns |
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477 if not None, must have same number of columns as data |
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478 @param filters(iterable[(callable, unicode)], None): values filters |
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479 the callable will get 2 arguments: |
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480 - current column value |
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481 - RowData with all columns values |
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482 if may also only use 1 argument, which will then be current col value. |
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483 the callable must return a string |
| 3121 | 484 if it's unicode, it will be used with .format and must countain u'{}' which |
| 485 will be replaced with the string. | |
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486 if not None, must have same number of columns as data |
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487 @param use_buffer(bool): if True, bufferise output instead of printing it directly |
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488 """ |
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489 self.host = host |
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490 self._buffer = [] if use_buffer else None |
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491 # headers are columns names/titles, can be None |
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492 self.headers = headers |
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493 # sizes fof columns without headers, |
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494 # headers may be larger |
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495 self.sizes = [] |
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496 # rows countains one list per row with columns values |
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497 self.rows = [] |
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498 |
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499 size = None |
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500 if headers: |
| 3121 | 501 # we use a namedtuple to make the value easily accessible from filters |
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502 headers_safe = [re.sub(r"[^a-zA-Z_]", "_", h) for h in headers] |
| 3121 | 503 row_cls = namedtuple("RowData", headers_safe) |
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504 else: |
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505 row_cls = tuple |
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506 |
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507 for row_data in data: |
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508 new_row = [] |
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509 row_data_list = list(row_data) |
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510 for idx, value in enumerate(row_data_list): |
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511 if filters is not None and filters[idx] is not None: |
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512 filter_ = filters[idx] |
| 3028 | 513 if isinstance(filter_, str): |
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514 col_value = filter_.format(value) |
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515 else: |
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516 try: |
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517 col_value = filter_(value, row_cls(*row_data_list)) |
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518 except TypeError: |
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519 col_value = filter_(value) |
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520 # we count size without ANSI code as they will change length of the |
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521 # string when it's mostly style/color changes. |
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522 col_size = len(regex.ansiRemove(col_value)) |
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523 else: |
| 3028 | 524 col_value = str(value) |
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525 col_size = len(col_value) |
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526 new_row.append(col_value) |
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527 if size is None: |
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528 self.sizes.append(col_size) |
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529 else: |
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530 self.sizes[idx] = max(self.sizes[idx], col_size) |
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531 if size is None: |
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532 size = len(new_row) |
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533 if headers is not None and len(headers) != size: |
| 3028 | 534 raise exceptions.DataError("headers size is not coherent with rows") |
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535 else: |
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536 if len(new_row) != size: |
| 3028 | 537 raise exceptions.DataError("rows size is not coherent") |
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538 self.rows.append(new_row) |
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539 |
|
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540 if not data and headers is not None: |
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541 # the table is empty, we print headers at their lenght |
|
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542 self.sizes = [len(h) for h in headers] |
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543 |
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544 @property |
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545 def string(self): |
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546 if self._buffer is None: |
| 3028 | 547 raise exceptions.InternalError("buffer must be used to get a string") |
| 548 return "\n".join(self._buffer) | |
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549 |
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550 @staticmethod |
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551 def readDictValues(data, keys, defaults=None): |
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552 if defaults is None: |
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553 defaults = {} |
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554 for key in keys: |
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555 try: |
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556 yield data[key] |
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557 except KeyError as e: |
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558 default = defaults.get(key) |
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559 if default is not None: |
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560 yield default |
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561 else: |
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562 raise e |
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563 |
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564 @classmethod |
| 3121 | 565 def fromListDict( |
|
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566 cls, host, data, keys=None, headers=None, filters=None, defaults=None |
|
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567 ): |
| 3121 | 568 """Create a table from a list of dictionaries |
|
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569 |
| 3121 | 570 each dictionary is a row of the table, keys being columns names. |
| 571 the whole data will be read and kept into memory, to be printed | |
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572 @param data(list[dict[unicode, unicode]]): data to create the table from |
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573 @param keys(iterable[unicode], None): keys to get |
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574 if None, all keys will be used |
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575 @param headers(iterable[unicode], None): name of the columns |
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576 names must be in same order as keys |
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577 @param filters(dict[unicode, (callable,unicode)), None): filter to use on values |
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578 keys correspond to keys to filter, and value is the same as for Table.__init__ |
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579 @param defaults(dict[unicode, unicode]): default value to use |
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580 if None, an exception will be raised if not value is found |
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581 """ |
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582 if keys is None and headers is not None: |
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583 # FIXME: keys are not needed with OrderedDict, |
| 3028 | 584 raise exceptions.DataError("You must specify keys order to used headers") |
|
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585 if keys is None: |
| 3028 | 586 keys = list(data[0].keys()) |
|
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587 if headers is None: |
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|
588 headers = keys |
| 3121 | 589 if filters is None: |
| 590 filters = {} | |
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591 filters = [filters.get(k) for k in keys] |
|
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592 return cls( |
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593 host, (cls.readDictValues(d, keys, defaults) for d in data), headers, filters |
|
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594 ) |
|
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|
595 |
| 3028 | 596 def _headers(self, head_sep, headers, sizes, alignment="left", style=None): |
|
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597 """Render headers |
|
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598 |
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599 @param head_sep(unicode): sequence to use as separator |
|
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600 @param alignment(unicode): how to align, can be left, center or right |
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601 @param style(unicode, iterable[unicode], None): ANSI escape sequences to apply |
|
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602 @param headers(list[unicode]): headers to show |
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603 @param sizes(list[int]): sizes of columns |
|
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|
604 """ |
|
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|
605 rendered_headers = [] |
| 3028 | 606 if isinstance(style, str): |
|
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|
607 style = [style] |
|
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608 for idx, header in enumerate(headers): |
|
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|
609 size = sizes[idx] |
| 3028 | 610 if alignment == "left": |
|
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611 rendered = header[:size].ljust(size) |
| 3028 | 612 elif alignment == "center": |
|
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613 rendered = header[:size].center(size) |
| 3028 | 614 elif alignment == "right": |
|
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615 rendered = header[:size].rjust(size) |
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616 else: |
| 3028 | 617 raise exceptions.InternalError("bad alignment argument") |
|
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618 if style: |
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619 args = style + [rendered] |
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620 rendered = A.color(*args) |
|
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621 rendered_headers.append(rendered) |
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622 return head_sep.join(rendered_headers) |
|
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623 |
|
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624 def _disp(self, data): |
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625 """output data (can be either bufferised or printed)""" |
|
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626 if self._buffer is not None: |
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627 self._buffer.append(data) |
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628 else: |
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|
629 self.host.disp(data) |
|
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|
630 |
|
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631 def display( |
|
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632 self, |
| 3028 | 633 head_alignment="left", |
| 634 columns_alignment="left", | |
|
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635 head_style=None, |
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636 show_header=True, |
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637 show_borders=True, |
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638 hide_cols=None, |
| 3028 | 639 col_sep=" │ ", |
| 640 top_left="┌", | |
| 641 top="─", | |
| 642 top_sep="─┬─", | |
| 643 top_right="┐", | |
| 644 left="│", | |
|
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645 right=None, |
|
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|
646 head_sep=None, |
| 3028 | 647 head_line="┄", |
| 648 head_line_left="├", | |
| 649 head_line_sep="┄┼┄", | |
| 650 head_line_right="┤", | |
| 651 bottom_left="└", | |
|
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652 bottom=None, |
| 3028 | 653 bottom_sep="─┴─", |
| 654 bottom_right="┘", | |
|
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655 ): |
|
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|
656 """Print the table |
|
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|
657 |
|
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658 @param show_header(bool): True if header need no be shown |
|
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659 @param show_borders(bool): True if borders need no be shown |
|
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660 @param hide_cols(None, iterable(unicode)): columns which should not be displayed |
|
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|
661 @param head_alignment(unicode): how to align headers, can be left, center or right |
| 3121 | 662 @param columns_alignment(unicode): how to align columns, can be left, center or |
| 663 right | |
|
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664 @param col_sep(unicode): separator betweens columns |
|
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665 @param head_line(unicode): character to use to make line under head |
|
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|
666 @param disp(callable, None): method to use to display the table |
|
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667 None to use self.host.disp |
|
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668 """ |
|
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669 if not self.sizes: |
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670 # the table is empty |
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671 return |
|
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672 col_sep_size = len(regex.ansiRemove(col_sep)) |
|
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673 |
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674 # if we have columns to hide, we remove them from headers and size |
|
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675 if not hide_cols: |
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676 headers = self.headers |
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677 sizes = self.sizes |
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678 else: |
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679 headers = list(self.headers) |
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680 sizes = self.sizes[:] |
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681 ignore_idx = [headers.index(to_hide) for to_hide in hide_cols] |
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682 for to_hide in hide_cols: |
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683 hide_idx = headers.index(to_hide) |
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684 del headers[hide_idx] |
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685 del sizes[hide_idx] |
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686 |
|
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687 if right is None: |
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688 right = left |
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689 if top_sep is None: |
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690 top_sep = col_sep_size * top |
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691 if head_sep is None: |
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692 head_sep = col_sep |
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693 if bottom is None: |
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694 bottom = top |
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695 if bottom_sep is None: |
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696 bottom_sep = col_sep_size * bottom |
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697 if not show_borders: |
| 3028 | 698 left = right = head_line_left = head_line_right = "" |
|
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699 # top border |
|
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700 if show_borders: |
|
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701 self._disp( |
|
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702 top_left + top_sep.join([top * size for size in sizes]) + top_right |
|
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703 ) |
|
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|
704 |
|
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|
705 # headers |
| 3121 | 706 if show_header and self.headers is not None: |
|
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|
707 self._disp( |
|
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|
708 left |
|
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|
709 + self._headers(head_sep, headers, sizes, head_alignment, head_style) |
|
2298
276e546b7619
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|
710 + right |
|
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|
711 ) |
|
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|
712 # header line |
|
2345
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changeset
|
713 self._disp( |
|
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|
714 head_line_left |
|
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|
715 + head_line_sep.join([head_line * size for size in sizes]) |
|
2298
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|
716 + head_line_right |
|
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|
717 ) |
|
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|
718 |
|
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|
719 # content |
| 3028 | 720 if columns_alignment == "left": |
|
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|
721 alignment = lambda idx, s: ansi_ljust(s, sizes[idx]) |
| 3028 | 722 elif columns_alignment == "center": |
|
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|
723 alignment = lambda idx, s: ansi_center(s, sizes[idx]) |
| 3028 | 724 elif columns_alignment == "right": |
|
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|
725 alignment = lambda idx, s: ansi_rjust(s, sizes[idx]) |
|
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|
726 else: |
| 3028 | 727 raise exceptions.InternalError("bad columns alignment argument") |
|
2298
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changeset
|
728 |
|
276e546b7619
jp (common): new ansi_ljust, ansi_rjust and ansi_center command + table:
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parents:
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changeset
|
729 for row in self.rows: |
|
2493
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changeset
|
730 if hide_cols: |
|
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|
731 row = [v for idx, v in enumerate(row) if idx not in ignore_idx] |
|
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changeset
|
732 self._disp( |
|
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|
733 left |
|
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changeset
|
734 + col_sep.join([alignment(idx, c) for idx, c in enumerate(row)]) |
|
56f94936df1e
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diff
changeset
|
735 + right |
|
56f94936df1e
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changeset
|
736 ) |
|
2298
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diff
changeset
|
737 |
|
276e546b7619
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changeset
|
738 if show_borders: |
|
276e546b7619
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|
739 # bottom border |
|
2345
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changeset
|
740 self._disp( |
|
2298
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changeset
|
741 bottom_left |
|
2624
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changeset
|
742 + bottom_sep.join([bottom * size for size in sizes]) |
|
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|
743 + bottom_right |
|
2624
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|
744 ) |
|
3568
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|
745 # we return self so string can be used after display (table.display().string) |
|
2345
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|
746 return self |
|
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|
747 |
|
276e546b7619
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changeset
|
748 def display_blank(self, **kwargs): |
|
276e546b7619
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|
749 """Display table without visible borders""" |
| 3028 | 750 kwargs_ = {"col_sep": " ", "head_line_sep": " ", "show_borders": False} |
|
2298
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changeset
|
751 kwargs_.update(kwargs) |
|
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|
752 return self.display(**kwargs_) |
|
2551
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Goffi <goffi@goffi.org>
parents:
2532
diff
changeset
|
753 |
|
b27165bf160c
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Goffi <goffi@goffi.org>
parents:
2532
diff
changeset
|
754 |
| 3040 | 755 async def fill_well_known_uri(command, path, key, meta_map=None): |
| 756 """Look for URIs in well-known location and fill appropriate args if suitable | |
| 757 | |
| 758 @param command(CommandBase): command instance | |
| 759 args of this instance will be updated with found values | |
| 760 @param path(unicode): absolute path to use as a starting point to look for URIs | |
| 761 @param key(unicode): key to look for | |
| 762 @param meta_map(dict, None): if not None, map metadata to arg name | |
| 763 key is metadata used attribute name | |
| 764 value is name to actually use, or None to ignore | |
| 765 use empty dict to only retrieve URI | |
| 766 possible keys are currently: | |
| 767 - labels | |
| 768 """ | |
| 769 args = command.args | |
| 770 if args.service or args.node: | |
| 771 # we only look for URIs if a service and a node are not already specified | |
| 772 return | |
| 773 | |
| 774 host = command.host | |
|
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changeset
|
775 |
| 3040 | 776 try: |
| 777 uris_data = await host.bridge.URIFind(path, [key]) | |
| 778 except Exception as e: | |
| 779 host.disp(f"can't find {key} URI: {e}", error=True) | |
| 780 host.quit(C.EXIT_BRIDGE_ERRBACK) | |
|
2551
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2532
diff
changeset
|
781 |
| 3040 | 782 try: |
| 783 uri_data = uris_data[key] | |
| 784 except KeyError: | |
| 785 host.disp( | |
|
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|
786 _( |
|
04283582966f
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changeset
|
787 "No {key} URI specified for this project, please specify service and " |
|
04283582966f
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changeset
|
788 "node" |
|
04283582966f
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Goffi <goffi@goffi.org>
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3479
diff
changeset
|
789 ).format(key=key), |
| 3040 | 790 error=True, |
| 791 ) | |
| 792 host.quit(C.EXIT_NOT_FOUND) | |
|
2558
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changeset
|
793 |
| 3040 | 794 uri = uri_data["uri"] |
| 795 | |
| 796 # set extra metadata if they are specified | |
|
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|
797 for data_key in ["labels"]: |
| 3040 | 798 new_values_json = uri_data.get(data_key) |
|
2558
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changeset
|
799 if uri_data is not None: |
| 3040 | 800 if meta_map is None: |
| 801 dest = data_key | |
|
2558
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changeset
|
802 else: |
| 3040 | 803 dest = meta_map.get(data_key) |
|
2558
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changeset
|
804 if dest is None: |
| 3040 | 805 continue |
|
2558
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parents:
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changeset
|
806 |
|
501b0f827f63
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Goffi <goffi@goffi.org>
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diff
changeset
|
807 try: |
| 3040 | 808 values = getattr(args, data_key) |
|
2558
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809 except AttributeError: |
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core, frontends: fix invalid translatable strings.
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810 raise exceptions.InternalError(f"there is no {data_key!r} arguments") |
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811 else: |
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812 if values is None: |
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813 values = [] |
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Goffi <goffi@goffi.org>
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814 values.extend(json.loads(new_values_json)) |
| 3040 | 815 setattr(args, dest, values) |
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816 |
| 3040 | 817 parsed_uri = xmpp_uri.parseXMPPUri(uri) |
| 818 try: | |
| 819 args.service = parsed_uri["path"] | |
| 820 args.node = parsed_uri["node"] | |
| 821 except KeyError: | |
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Goffi <goffi@goffi.org>
parents:
3479
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822 host.disp(_("Invalid URI found: {uri}").format(uri=uri), error=True) |
| 3040 | 823 host.quit(C.EXIT_DATA_ERROR) |