Mercurial > libervia-backend
annotate libervia/cli/common.py @ 4094:c3b68fdc2de7
component AP gateway: fix handling of XMPP comments authors:
the gateway was supposing that comments where emitted from PEP of author. While this is
the case for most blog posts, it's not for comments. Instead the component is now using
`author_jid` which is retrieved by XEP-0277 plugin, and reject the item if the auhor is
not verified (i.e. if `publisher` attribute is not set by XMPP service).
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Mon, 12 Jun 2023 14:50:43 +0200 |
| parents | 47401850dec6 |
| children | 0d7bb4df2343 |
| rev | line source |
|---|---|
| 3137 | 1 #!/usr/bin/env python3 |
| 2 | |
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3 |
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4 # Libervia CLI |
| 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 libervia.cli.constants import Const as C |
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30 from libervia.backend.core.i18n import _ |
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31 from libervia.backend.core import exceptions |
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32 from libervia.backend.tools.common import regex |
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33 from libervia.backend.tools.common.ansi import ANSI as A |
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34 from libervia.backend.tools.common import uri as xmpp_uri |
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35 from libervia.backend.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 format_time(timestamp): |
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57 """Return formatted date for timestamp |
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58 |
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59 @param timestamp(str,int,float): unix timestamp |
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60 @return (unicode): formatted date |
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61 """ |
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62 fmt = "%d/%m/%Y %H:%M:%S %Z" |
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63 return time.strftime(fmt, time.localtime(float(timestamp))) |
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64 |
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65 |
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66 def ansi_ljust(s, width): |
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67 """ljust method handling ANSI escape codes""" |
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68 cleaned = regex.ansi_remove(s) |
| 3028 | 69 return s + " " * (width - len(cleaned)) |
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70 |
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71 |
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72 def ansi_center(s, width): |
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73 """ljust method handling ANSI escape codes""" |
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74 cleaned = regex.ansi_remove(s) |
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75 diff = width - len(cleaned) |
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76 half = diff / 2 |
| 3028 | 77 return half * " " + s + (half + diff % 2) * " " |
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78 |
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79 |
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80 def ansi_rjust(s, width): |
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81 """ljust method handling ANSI escape codes""" |
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82 cleaned = regex.ansi_remove(s) |
| 3028 | 83 return " " * (width - len(cleaned)) + s |
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84 |
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85 |
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86 def get_tmp_dir(sat_conf, cat_dir, sub_dir=None): |
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87 """Return directory used to store temporary files |
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88 |
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89 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
| 3040 | 90 @param cat_dir(str): directory of the category (e.g. "blog") |
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91 @param sub_dir(str): sub directory where data need to be put |
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92 profile can be used here, or special directory name |
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93 sub_dir will be escaped to be usable in path (use regex.path_unescape to find |
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94 initial str) |
| 3040 | 95 @return (Path): path to the dir |
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96 """ |
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97 local_dir = config.config_get(sat_conf, "", "local_dir", Exception) |
| 3040 | 98 path_elts = [local_dir, cat_dir] |
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99 if sub_dir is not None: |
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100 path_elts.append(regex.path_escape(sub_dir)) |
| 3040 | 101 return Path(*path_elts) |
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102 |
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103 |
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104 def parse_args(host, cmd_line, **format_kw): |
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105 """Parse command arguments |
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106 |
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107 @param cmd_line(unicode): command line as found in sat.conf |
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108 @param format_kw: keywords used for formating |
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109 @return (list(unicode)): list of arguments to pass to subprocess function |
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110 """ |
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111 try: |
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112 # we split the arguments and add the known fields |
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113 # we split arguments first to avoid escaping issues in file names |
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114 return [a.format(**format_kw) for a in shlex.split(cmd_line)] |
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115 except ValueError as e: |
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116 host.disp( |
| 3028 | 117 "Couldn't parse editor cmd [{cmd}]: {reason}".format(cmd=cmd_line, reason=e) |
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118 ) |
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119 return [] |
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120 |
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121 |
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122 class BaseEdit(object): |
| 3028 | 123 """base class for editing commands |
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124 |
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125 This class allows to edit file for PubSub or something else. |
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126 It works with temporary files in SàT local_dir, in a "cat_dir" subdir |
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127 """ |
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128 |
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129 def __init__(self, host, cat_dir, use_metadata=False): |
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130 """ |
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131 @param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration |
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132 @param cat_dir(unicode): directory to use for drafts |
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133 this will be a sub-directory of SàT's local_dir |
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134 @param use_metadata(bool): True is edition need a second file for metadata |
| 3040 | 135 most of signature change with use_metadata with an additional metadata |
| 136 argument. | |
| 137 This is done to raise error if a command needs metadata but forget the flag, | |
| 138 and vice versa | |
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139 """ |
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140 self.host = host |
| 3040 | 141 self.cat_dir = cat_dir |
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142 self.use_metadata = use_metadata |
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143 |
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144 def secure_unlink(self, path): |
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145 """Unlink given path after keeping it for a while |
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146 |
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147 This method is used to prevent accidental deletion of a draft |
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148 If there are more file in SECURE_UNLINK_DIR than SECURE_UNLINK_MAX, |
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149 older file are deleted |
| 3040 | 150 @param path(Path, str): file to unlink |
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151 """ |
| 3040 | 152 path = Path(path).resolve() |
| 153 if not path.is_file: | |
| 3028 | 154 raise OSError("path must link to a regular file") |
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155 if path.parent != get_tmp_dir(self.sat_conf, self.cat_dir): |
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156 self.disp( |
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157 f"File {path} is not in SàT temporary hierarchy, we do not remove " f"it", |
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158 2, |
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159 ) |
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160 return |
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161 # we have 2 files per draft with use_metadata, so we double max |
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162 unlink_max = SECURE_UNLINK_MAX * 2 if self.use_metadata else SECURE_UNLINK_MAX |
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163 backup_dir = get_tmp_dir(self.sat_conf, self.cat_dir, SECURE_UNLINK_DIR) |
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164 if not os.path.exists(backup_dir): |
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165 os.makedirs(backup_dir) |
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166 filename = os.path.basename(path) |
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167 backup_path = os.path.join(backup_dir, filename) |
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168 # we move file to backup dir |
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169 self.host.disp( |
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170 "Backuping file {src} to {dst}".format(src=path, dst=backup_path), |
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171 1, |
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172 ) |
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173 os.rename(path, backup_path) |
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174 # and if we exceeded the limit, we remove older file |
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175 backup_files = [os.path.join(backup_dir, f) for f in os.listdir(backup_dir)] |
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176 if len(backup_files) > unlink_max: |
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177 backup_files.sort(key=lambda path: os.stat(path).st_mtime) |
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178 for path in backup_files[: len(backup_files) - unlink_max]: |
| 3028 | 179 self.host.disp("Purging backup file {}".format(path), 2) |
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180 os.unlink(path) |
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181 |
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182 async def run_editor( |
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183 self, |
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184 editor_args_opt, |
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185 content_file_path, |
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186 content_file_obj, |
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187 meta_file_path=None, |
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188 meta_ori=None, |
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189 ): |
| 3040 | 190 """Run editor to edit content and metadata |
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191 |
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192 @param editor_args_opt(unicode): option in [cli] section in configuration for |
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193 specific args |
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194 @param content_file_path(str): path to the content file |
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195 @param content_file_obj(file): opened file instance |
| 3040 | 196 @param meta_file_path(str, Path, None): metadata file path |
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197 if None metadata will not be used |
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198 @param meta_ori(dict, None): original cotent of metadata |
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199 can't be used if use_metadata is False |
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200 """ |
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201 if not self.use_metadata: |
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202 assert meta_file_path is None |
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203 assert meta_ori is None |
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204 |
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205 # we calculate hashes to check for modifications |
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206 import hashlib |
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207 |
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208 content_file_obj.seek(0) |
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209 tmp_ori_hash = hashlib.sha1(content_file_obj.read()).digest() |
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210 content_file_obj.close() |
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211 |
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212 # we prepare arguments |
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213 editor = config.config_get(self.sat_conf, C.CONFIG_SECTION, "editor") or os.getenv( |
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214 "EDITOR", "vi" |
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215 ) |
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216 try: |
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217 # is there custom arguments in sat.conf ? |
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218 editor_args = config.config_get( |
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219 self.sat_conf, C.CONFIG_SECTION, editor_args_opt, Exception |
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220 ) |
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221 except (NoOptionError, NoSectionError): |
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222 # no, we check if we know the editor and have special arguments |
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223 if self.use_metadata: |
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224 editor_args = EDITOR_ARGS_MAGIC.get(os.path.basename(editor), "") |
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225 else: |
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226 editor_args = "" |
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227 parse_kwargs = {"content_file": content_file_path} |
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228 if self.use_metadata: |
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229 parse_kwargs["metadata_file"] = meta_file_path |
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230 args = parse_args(self.host, editor_args, **parse_kwargs) |
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231 if not args: |
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232 args = [content_file_path] |
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233 |
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234 # actual editing |
| 3040 | 235 editor_process = await asyncio.create_subprocess_exec( |
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236 editor, *[str(a) for a in args] |
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237 ) |
| 3040 | 238 editor_exit = await editor_process.wait() |
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239 |
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240 # edition will now be checked, and data will be sent if it was a success |
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241 if editor_exit != 0: |
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242 self.disp( |
| 3040 | 243 f"Editor exited with an error code, so temporary file has not be " |
| 244 f"deleted, and item is not published.\nYou can find temporary file " | |
| 245 f"at {content_file_path}", | |
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246 error=True, |
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247 ) |
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248 else: |
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249 # main content |
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250 try: |
| 3040 | 251 with content_file_path.open("rb") as f: |
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252 content = f.read() |
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253 except (OSError, IOError): |
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254 self.disp( |
| 3040 | 255 f"Can read file at {content_file_path}, have it been deleted?\n" |
| 256 f"Cancelling edition", | |
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257 error=True, |
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258 ) |
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259 self.host.quit(C.EXIT_NOT_FOUND) |
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260 |
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261 # metadata |
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262 if self.use_metadata: |
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263 try: |
| 3040 | 264 with meta_file_path.open("rb") as f: |
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265 metadata = json.load(f) |
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266 except (OSError, IOError): |
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267 self.disp( |
| 3040 | 268 f"Can read file at {meta_file_path}, have it been deleted?\n" |
| 269 f"Cancelling edition", | |
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270 error=True, |
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271 ) |
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272 self.host.quit(C.EXIT_NOT_FOUND) |
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273 except ValueError: |
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274 self.disp( |
| 3040 | 275 f"Can't parse metadata, please check it is correct JSON format. " |
| 276 f"Cancelling edition.\nYou can find tmp file at " | |
| 277 f"{content_file_path} and temporary meta file at " | |
| 278 f"{meta_file_path}.", | |
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279 error=True, |
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280 ) |
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281 self.host.quit(C.EXIT_DATA_ERROR) |
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282 |
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283 if self.use_metadata and not metadata.get("publish", True): |
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284 self.disp( |
| 3040 | 285 f'Publication blocked by "publish" key in metadata, cancelling ' |
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286 f"edition.\n\ntemporary file path:\t{content_file_path}\nmetadata " |
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287 f"file path:\t{meta_file_path}", |
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288 error=True, |
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289 ) |
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290 self.host.quit() |
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291 |
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292 if len(content) == 0: |
| 3028 | 293 self.disp("Content is empty, cancelling the edition") |
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294 if content_file_path.parent != get_tmp_dir(self.sat_conf, self.cat_dir): |
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295 self.disp( |
| 3028 | 296 "File are not in SàT temporary hierarchy, we do not remove them", |
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297 2, |
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298 ) |
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299 self.host.quit() |
| 3040 | 300 self.disp(f"Deletion of {content_file_path}", 2) |
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301 os.unlink(content_file_path) |
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302 if self.use_metadata: |
| 3040 | 303 self.disp(f"Deletion of {meta_file_path}".format(meta_file_path), 2) |
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304 os.unlink(meta_file_path) |
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305 self.host.quit() |
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306 |
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307 # time to re-check the hash |
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308 elif tmp_ori_hash == hashlib.sha1(content).digest() and ( |
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309 not self.use_metadata or meta_ori == metadata |
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310 ): |
| 3028 | 311 self.disp("The content has not been modified, cancelling the edition") |
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312 self.host.quit() |
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313 |
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314 else: |
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315 # we can now send the item |
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316 content = content.decode("utf-8-sig") # we use utf-8-sig to avoid BOM |
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317 try: |
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318 if self.use_metadata: |
| 3040 | 319 await self.publish(content, metadata) |
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320 else: |
| 3040 | 321 await self.publish(content) |
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322 except Exception as e: |
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323 if self.use_metadata: |
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324 self.disp( |
| 3040 | 325 f"Error while sending your item, the temporary files have " |
| 326 f"been kept at {content_file_path} and {meta_file_path}: " | |
| 327 f"{e}", | |
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328 error=True, |
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329 ) |
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330 else: |
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331 self.disp( |
| 3040 | 332 f"Error while sending your item, the temporary file has been " |
| 333 f"kept at {content_file_path}: {e}", | |
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334 error=True, |
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335 ) |
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336 self.host.quit(1) |
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337 |
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338 self.secure_unlink(content_file_path) |
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339 if self.use_metadata: |
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340 self.secure_unlink(meta_file_path) |
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341 |
| 3040 | 342 async def publish(self, content): |
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343 # if metadata is needed, publish will be called with it last argument |
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344 raise NotImplementedError |
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345 |
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346 def get_tmp_file(self): |
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347 """Create a temporary file |
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348 |
| 3040 | 349 @return (tuple(file, Path)): opened (w+b) file object and file path |
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350 """ |
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351 suff = "." + self.get_tmp_suff() |
| 3040 | 352 cat_dir_str = self.cat_dir |
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353 tmp_dir = get_tmp_dir(self.sat_conf, self.cat_dir, self.profile) |
| 3040 | 354 if not tmp_dir.exists(): |
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355 try: |
| 3040 | 356 tmp_dir.mkdir(parents=True) |
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357 except OSError as e: |
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358 self.disp( |
| 3040 | 359 f"Can't create {tmp_dir} directory: {e}", |
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360 error=True, |
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361 ) |
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362 self.host.quit(1) |
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363 try: |
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364 fd, path = tempfile.mkstemp( |
| 3040 | 365 suffix=suff, |
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366 prefix=time.strftime(cat_dir_str + "_%Y-%m-%d_%H:%M:%S_"), |
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367 dir=tmp_dir, |
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368 text=True, |
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369 ) |
| 3040 | 370 return os.fdopen(fd, "w+b"), Path(path) |
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371 except OSError as e: |
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372 self.disp(f"Can't create temporary file: {e}", error=True) |
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373 self.host.quit(1) |
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374 |
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375 def get_current_file(self, profile): |
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376 """Get most recently edited file |
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377 |
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378 @param profile(unicode): profile linked to the draft |
| 3040 | 379 @return(Path): full path of current file |
|
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380 """ |
|
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381 # we guess the item currently edited by choosing |
|
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382 # the most recent file corresponding to temp file pattern |
|
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383 # in tmp_dir, excluding metadata files |
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384 tmp_dir = get_tmp_dir(self.sat_conf, self.cat_dir, profile) |
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385 available = [ |
| 3040 | 386 p |
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387 for p in tmp_dir.glob(f"{self.cat_dir}_*") |
| 3040 | 388 if not p.match(f"*{METADATA_SUFF}") |
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389 ] |
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390 if not available: |
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391 self.disp( |
| 3040 | 392 f"Could not find any content draft in {tmp_dir}", |
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393 error=True, |
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394 ) |
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395 self.host.quit(1) |
| 3040 | 396 return max(available, key=lambda p: p.stat().st_mtime) |
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397 |
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398 async def get_item_data(self, service, node, item): |
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399 """return formatted content, metadata (or not if use_metadata is false), and item id""" |
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400 raise NotImplementedError |
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401 |
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402 def get_tmp_suff(self): |
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403 """return suffix used for content file""" |
| 3028 | 404 return "xml" |
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405 |
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406 async def get_item_path(self): |
| 3040 | 407 """Retrieve item path (i.e. service and node) from item argument |
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408 |
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409 This method is obviously only useful for edition of PubSub based features |
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410 """ |
| 2532 | 411 service = self.args.service |
| 412 node = self.args.node | |
| 413 item = self.args.item | |
| 414 last_item = self.args.last_item | |
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415 |
| 2532 | 416 if self.args.current: |
| 417 # user wants to continue current draft | |
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418 content_file_path = self.get_current_file(self.profile) |
| 3028 | 419 self.disp("Continuing edition of current draft", 2) |
| 3040 | 420 content_file_obj = content_file_path.open("r+b") |
| 2532 | 421 # we seek at the end of file in case of an item already exist |
| 422 # this will write content of the existing item at the end of the draft. | |
| 423 # This way no data should be lost. | |
| 424 content_file_obj.seek(0, os.SEEK_END) | |
| 425 elif self.args.draft_path: | |
| 426 # there is an existing draft that we use | |
| 3040 | 427 content_file_path = self.args.draft_path.expanduser() |
| 428 content_file_obj = content_file_path.open("r+b") | |
| 2532 | 429 # we seek at the end for the same reason as above |
| 430 content_file_obj.seek(0, os.SEEK_END) | |
| 431 else: | |
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432 # we need a temporary file |
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433 content_file_obj, content_file_path = self.get_tmp_file() |
| 2532 | 434 |
| 435 if item or last_item: | |
| 3028 | 436 self.disp("Editing requested published item", 2) |
| 2532 | 437 try: |
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438 if self.use_metadata: |
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439 content, metadata, item = await self.get_item_data(service, node, item) |
| 2532 | 440 else: |
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441 content, item = await self.get_item_data(service, node, item) |
| 2532 | 442 except Exception as e: |
| 443 # FIXME: ugly but we have not good may to check errors in bridge | |
| 3028 | 444 if "item-not-found" in str(e): |
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445 # item doesn't exist, we create a new one with requested id |
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446 metadata = None |
| 2532 | 447 if last_item: |
| 3028 | 448 self.disp(_("no item found at all, we create a new one"), 2) |
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449 else: |
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450 self.disp( |
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451 _( |
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452 'item "{item}" not found, we create a new item with' |
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453 "this id" |
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454 ).format(item=item), |
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455 2, |
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456 ) |
| 2532 | 457 content_file_obj.seek(0) |
| 458 else: | |
| 3040 | 459 self.disp(f"Error while retrieving item: {e}") |
| 2532 | 460 self.host.quit(C.EXIT_ERROR) |
| 461 else: | |
| 462 # item exists, we write content | |
| 463 if content_file_obj.tell() != 0: | |
| 464 # we already have a draft, | |
| 465 # we copy item content after it and add an indicator | |
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466 content_file_obj.write("\n*****\n") |
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467 content_file_obj.write(content.encode("utf-8")) |
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468 content_file_obj.seek(0) |
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469 self.disp(_('item "{item}" found, we edit it').format(item=item), 2) |
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470 else: |
| 3028 | 471 self.disp("Editing a new item", 2) |
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472 if self.use_metadata: |
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473 metadata = None |
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474 |
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475 if self.use_metadata: |
| 2532 | 476 return service, node, item, content_file_path, content_file_obj, metadata |
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477 else: |
| 2532 | 478 return service, node, item, content_file_path, content_file_obj |
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479 |
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480 |
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481 class Table(object): |
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482 def __init__(self, host, data, headers=None, filters=None, use_buffer=False): |
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483 """ |
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484 @param data(iterable[list]): table data |
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485 all lines must have the same number of columns |
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486 @param headers(iterable[unicode], None): names/titles of the columns |
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487 if not None, must have same number of columns as data |
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488 @param filters(iterable[(callable, unicode)], None): values filters |
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489 the callable will get 2 arguments: |
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490 - current column value |
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491 - RowData with all columns values |
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492 if may also only use 1 argument, which will then be current col value. |
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493 the callable must return a string |
| 3121 | 494 if it's unicode, it will be used with .format and must countain u'{}' which |
| 495 will be replaced with the string. | |
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496 if not None, must have same number of columns as data |
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497 @param use_buffer(bool): if True, bufferise output instead of printing it directly |
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498 """ |
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499 self.host = host |
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500 self._buffer = [] if use_buffer else None |
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501 # headers are columns names/titles, can be None |
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502 self.headers = headers |
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503 # sizes fof columns without headers, |
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504 # headers may be larger |
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505 self.sizes = [] |
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506 # rows countains one list per row with columns values |
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507 self.rows = [] |
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508 |
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509 size = None |
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510 if headers: |
| 3121 | 511 # we use a namedtuple to make the value easily accessible from filters |
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512 headers_safe = [re.sub(r"[^a-zA-Z_]", "_", h) for h in headers] |
| 3121 | 513 row_cls = namedtuple("RowData", headers_safe) |
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514 else: |
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515 row_cls = tuple |
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516 |
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517 for row_data in data: |
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518 new_row = [] |
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519 row_data_list = list(row_data) |
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520 for idx, value in enumerate(row_data_list): |
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521 if filters is not None and filters[idx] is not None: |
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522 filter_ = filters[idx] |
| 3028 | 523 if isinstance(filter_, str): |
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524 col_value = filter_.format(value) |
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525 else: |
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526 try: |
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527 col_value = filter_(value, row_cls(*row_data_list)) |
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528 except TypeError: |
|
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529 col_value = filter_(value) |
|
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530 # we count size without ANSI code as they will change length of the |
|
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531 # string when it's mostly style/color changes. |
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532 col_size = len(regex.ansi_remove(col_value)) |
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533 else: |
| 3028 | 534 col_value = str(value) |
|
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535 col_size = len(col_value) |
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|
536 new_row.append(col_value) |
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537 if size is None: |
|
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538 self.sizes.append(col_size) |
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539 else: |
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540 self.sizes[idx] = max(self.sizes[idx], col_size) |
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541 if size is None: |
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542 size = len(new_row) |
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543 if headers is not None and len(headers) != size: |
| 3028 | 544 raise exceptions.DataError("headers size is not coherent with rows") |
|
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545 else: |
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546 if len(new_row) != size: |
| 3028 | 547 raise exceptions.DataError("rows size is not coherent") |
|
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548 self.rows.append(new_row) |
|
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|
549 |
|
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550 if not data and headers is not None: |
|
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551 # the table is empty, we print headers at their lenght |
|
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|
552 self.sizes = [len(h) for h in headers] |
|
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553 |
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|
554 @property |
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555 def string(self): |
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556 if self._buffer is None: |
| 3028 | 557 raise exceptions.InternalError("buffer must be used to get a string") |
| 558 return "\n".join(self._buffer) | |
|
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|
559 |
|
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|
560 @staticmethod |
|
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561 def read_dict_values(data, keys, defaults=None): |
|
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562 if defaults is None: |
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563 defaults = {} |
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564 for key in keys: |
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|
565 try: |
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|
566 yield data[key] |
|
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|
567 except KeyError as e: |
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|
568 default = defaults.get(key) |
|
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|
569 if default is not None: |
|
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|
570 yield default |
|
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571 else: |
|
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Goffi <goffi@goffi.org>
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|
572 raise e |
|
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|
573 |
|
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|
574 @classmethod |
|
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|
575 def from_list_dict( |
|
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|
576 cls, host, data, keys=None, headers=None, filters=None, defaults=None |
|
04283582966f
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|
577 ): |
| 3121 | 578 """Create a table from a list of dictionaries |
|
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|
579 |
| 3121 | 580 each dictionary is a row of the table, keys being columns names. |
| 581 the whole data will be read and kept into memory, to be printed | |
|
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|
582 @param data(list[dict[unicode, unicode]]): data to create the table from |
|
276e546b7619
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|
583 @param keys(iterable[unicode], None): keys to get |
|
276e546b7619
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|
584 if None, all keys will be used |
|
276e546b7619
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|
585 @param headers(iterable[unicode], None): name of the columns |
|
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|
586 names must be in same order as keys |
|
276e546b7619
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|
587 @param filters(dict[unicode, (callable,unicode)), None): filter to use on values |
|
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changeset
|
588 keys correspond to keys to filter, and value is the same as for Table.__init__ |
|
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|
589 @param defaults(dict[unicode, unicode]): default value to use |
|
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|
590 if None, an exception will be raised if not value is found |
|
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|
591 """ |
|
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|
592 if keys is None and headers is not None: |
|
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changeset
|
593 # FIXME: keys are not needed with OrderedDict, |
| 3028 | 594 raise exceptions.DataError("You must specify keys order to used headers") |
|
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|
595 if keys is None: |
| 3028 | 596 keys = list(data[0].keys()) |
|
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|
597 if headers is None: |
|
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|
598 headers = keys |
| 3121 | 599 if filters is None: |
| 600 filters = {} | |
|
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|
601 filters = [filters.get(k) for k in keys] |
|
2624
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|
602 return cls( |
|
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|
603 host, (cls.read_dict_values(d, keys, defaults) for d in data), headers, filters |
|
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|
604 ) |
|
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|
605 |
| 3028 | 606 def _headers(self, head_sep, headers, sizes, alignment="left", style=None): |
|
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|
607 """Render headers |
|
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|
608 |
|
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|
609 @param head_sep(unicode): sequence to use as separator |
|
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610 @param alignment(unicode): how to align, can be left, center or right |
|
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|
611 @param style(unicode, iterable[unicode], None): ANSI escape sequences to apply |
|
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|
612 @param headers(list[unicode]): headers to show |
|
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|
613 @param sizes(list[int]): sizes of columns |
|
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|
614 """ |
|
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|
615 rendered_headers = [] |
| 3028 | 616 if isinstance(style, str): |
|
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|
617 style = [style] |
|
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|
618 for idx, header in enumerate(headers): |
|
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|
619 size = sizes[idx] |
| 3028 | 620 if alignment == "left": |
|
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|
621 rendered = header[:size].ljust(size) |
| 3028 | 622 elif alignment == "center": |
|
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|
623 rendered = header[:size].center(size) |
| 3028 | 624 elif alignment == "right": |
|
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|
625 rendered = header[:size].rjust(size) |
|
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|
626 else: |
| 3028 | 627 raise exceptions.InternalError("bad alignment argument") |
|
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|
628 if style: |
|
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|
629 args = style + [rendered] |
|
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|
630 rendered = A.color(*args) |
|
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|
631 rendered_headers.append(rendered) |
|
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|
632 return head_sep.join(rendered_headers) |
|
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|
633 |
|
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|
634 def _disp(self, data): |
|
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|
635 """output data (can be either bufferised or printed)""" |
|
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|
636 if self._buffer is not None: |
|
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|
637 self._buffer.append(data) |
|
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|
638 else: |
|
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changeset
|
639 self.host.disp(data) |
|
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|
640 |
|
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|
641 def display( |
|
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|
642 self, |
| 3028 | 643 head_alignment="left", |
| 644 columns_alignment="left", | |
|
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645 head_style=None, |
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646 show_header=True, |
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647 show_borders=True, |
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648 hide_cols=None, |
| 3028 | 649 col_sep=" │ ", |
| 650 top_left="┌", | |
| 651 top="─", | |
| 652 top_sep="─┬─", | |
| 653 top_right="┐", | |
| 654 left="│", | |
|
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655 right=None, |
|
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656 head_sep=None, |
| 3028 | 657 head_line="┄", |
| 658 head_line_left="├", | |
| 659 head_line_sep="┄┼┄", | |
| 660 head_line_right="┤", | |
| 661 bottom_left="└", | |
|
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662 bottom=None, |
| 3028 | 663 bottom_sep="─┴─", |
| 664 bottom_right="┘", | |
|
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665 ): |
|
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666 """Print the table |
|
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667 |
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668 @param show_header(bool): True if header need no be shown |
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669 @param show_borders(bool): True if borders need no be shown |
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670 @param hide_cols(None, iterable(unicode)): columns which should not be displayed |
|
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671 @param head_alignment(unicode): how to align headers, can be left, center or right |
| 3121 | 672 @param columns_alignment(unicode): how to align columns, can be left, center or |
| 673 right | |
|
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674 @param col_sep(unicode): separator betweens columns |
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675 @param head_line(unicode): character to use to make line under head |
|
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676 @param disp(callable, None): method to use to display the table |
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677 None to use self.host.disp |
|
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678 """ |
|
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679 if not self.sizes: |
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680 # the table is empty |
|
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681 return |
|
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682 col_sep_size = len(regex.ansi_remove(col_sep)) |
|
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683 |
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684 # if we have columns to hide, we remove them from headers and size |
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685 if not hide_cols: |
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686 headers = self.headers |
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687 sizes = self.sizes |
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688 else: |
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689 headers = list(self.headers) |
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690 sizes = self.sizes[:] |
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691 ignore_idx = [headers.index(to_hide) for to_hide in hide_cols] |
|
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692 for to_hide in hide_cols: |
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693 hide_idx = headers.index(to_hide) |
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694 del headers[hide_idx] |
|
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695 del sizes[hide_idx] |
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696 |
|
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697 if right is None: |
|
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698 right = left |
|
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699 if top_sep is None: |
|
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|
700 top_sep = col_sep_size * top |
|
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701 if head_sep is None: |
|
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|
702 head_sep = col_sep |
|
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|
703 if bottom is None: |
|
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|
704 bottom = top |
|
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|
705 if bottom_sep is None: |
|
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706 bottom_sep = col_sep_size * bottom |
|
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|
707 if not show_borders: |
| 3028 | 708 left = right = head_line_left = head_line_right = "" |
|
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|
709 # top border |
|
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|
710 if show_borders: |
|
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|
711 self._disp( |
|
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|
712 top_left + top_sep.join([top * size for size in sizes]) + top_right |
|
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|
713 ) |
|
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|
714 |
|
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|
715 # headers |
| 3121 | 716 if show_header and self.headers is not None: |
|
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|
717 self._disp( |
|
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|
718 left |
|
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|
719 + self._headers(head_sep, headers, sizes, head_alignment, head_style) |
|
2298
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|
720 + right |
|
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|
721 ) |
|
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|
722 # header line |
|
2345
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|
723 self._disp( |
|
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|
724 head_line_left |
|
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|
725 + head_line_sep.join([head_line * size for size in sizes]) |
|
2298
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changeset
|
726 + head_line_right |
|
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|
727 ) |
|
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changeset
|
728 |
|
3568
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|
729 # content |
| 3028 | 730 if columns_alignment == "left": |
|
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|
731 alignment = lambda idx, s: ansi_ljust(s, sizes[idx]) |
| 3028 | 732 elif columns_alignment == "center": |
|
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|
733 alignment = lambda idx, s: ansi_center(s, sizes[idx]) |
| 3028 | 734 elif columns_alignment == "right": |
|
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|
735 alignment = lambda idx, s: ansi_rjust(s, sizes[idx]) |
|
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|
736 else: |
| 3028 | 737 raise exceptions.InternalError("bad columns alignment argument") |
|
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|
738 |
|
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|
739 for row in self.rows: |
|
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changeset
|
740 if hide_cols: |
|
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|
741 row = [v for idx, v in enumerate(row) if idx not in ignore_idx] |
|
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|
742 self._disp( |
|
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|
743 left |
|
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|
744 + col_sep.join([alignment(idx, c) for idx, c in enumerate(row)]) |
|
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|
745 + right |
|
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changeset
|
746 ) |
|
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|
747 |
|
276e546b7619
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|
748 if show_borders: |
|
276e546b7619
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|
749 # bottom border |
|
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|
750 self._disp( |
|
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|
751 bottom_left |
|
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|
752 + bottom_sep.join([bottom * size for size in sizes]) |
|
2298
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|
753 + bottom_right |
|
2624
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|
754 ) |
|
3568
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Goffi <goffi@goffi.org>
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changeset
|
755 # we return self so string can be used after display (table.display().string) |
|
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|
756 return self |
|
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|
757 |
|
276e546b7619
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changeset
|
758 def display_blank(self, **kwargs): |
|
276e546b7619
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changeset
|
759 """Display table without visible borders""" |
| 3028 | 760 kwargs_ = {"col_sep": " ", "head_line_sep": " ", "show_borders": False} |
|
2298
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changeset
|
761 kwargs_.update(kwargs) |
|
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changeset
|
762 return self.display(**kwargs_) |
|
2551
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parents:
2532
diff
changeset
|
763 |
|
b27165bf160c
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changeset
|
764 |
| 3040 | 765 async def fill_well_known_uri(command, path, key, meta_map=None): |
| 766 """Look for URIs in well-known location and fill appropriate args if suitable | |
| 767 | |
| 768 @param command(CommandBase): command instance | |
| 769 args of this instance will be updated with found values | |
| 770 @param path(unicode): absolute path to use as a starting point to look for URIs | |
| 771 @param key(unicode): key to look for | |
| 772 @param meta_map(dict, None): if not None, map metadata to arg name | |
| 773 key is metadata used attribute name | |
| 774 value is name to actually use, or None to ignore | |
| 775 use empty dict to only retrieve URI | |
| 776 possible keys are currently: | |
| 777 - labels | |
| 778 """ | |
| 779 args = command.args | |
| 780 if args.service or args.node: | |
| 781 # we only look for URIs if a service and a node are not already specified | |
| 782 return | |
| 783 | |
| 784 host = command.host | |
|
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785 |
| 3040 | 786 try: |
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787 uris_data = await host.bridge.uri_find(path, [key]) |
| 3040 | 788 except Exception as e: |
| 789 host.disp(f"can't find {key} URI: {e}", error=True) | |
| 790 host.quit(C.EXIT_BRIDGE_ERRBACK) | |
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791 |
| 3040 | 792 try: |
| 793 uri_data = uris_data[key] | |
| 794 except KeyError: | |
| 795 host.disp( | |
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796 _( |
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797 "No {key} URI specified for this project, please specify service and " |
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798 "node" |
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799 ).format(key=key), |
| 3040 | 800 error=True, |
| 801 ) | |
| 802 host.quit(C.EXIT_NOT_FOUND) | |
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803 |
| 3040 | 804 uri = uri_data["uri"] |
| 805 | |
| 806 # set extra metadata if they are specified | |
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807 for data_key in ["labels"]: |
| 3040 | 808 new_values_json = uri_data.get(data_key) |
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809 if uri_data is not None: |
| 3040 | 810 if meta_map is None: |
| 811 dest = data_key | |
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812 else: |
| 3040 | 813 dest = meta_map.get(data_key) |
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814 if dest is None: |
| 3040 | 815 continue |
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816 |
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817 try: |
| 3040 | 818 values = getattr(args, data_key) |
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819 except AttributeError: |
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820 raise exceptions.InternalError(f"there is no {data_key!r} arguments") |
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821 else: |
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822 if values is None: |
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823 values = [] |
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824 values.extend(json.loads(new_values_json)) |
| 3040 | 825 setattr(args, dest, values) |
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826 |
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827 parsed_uri = xmpp_uri.parse_xmpp_uri(uri) |
| 3040 | 828 try: |
| 829 args.service = parsed_uri["path"] | |
| 830 args.node = parsed_uri["node"] | |
| 831 except KeyError: | |
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832 host.disp(_("Invalid URI found: {uri}").format(uri=uri), error=True) |
| 3040 | 833 host.quit(C.EXIT_DATA_ERROR) |