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annotate sat/tools/utils.py @ 3114:060ac43627fc

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quick frontend (widgets): fixed widget creation in getOrCreateWidget: when a new widget was created, it was overwritting the exiting instances list. This patch fixes it.
author Goffi <goffi@goffi.org>
date Fri, 17 Jan 2020 17:55:57 +0100
parents d62fceccff22
children 9d0df638c8b4
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1 #!/usr/bin/env python3
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2019 Jérôme Poisson (goffi@goffi.org)
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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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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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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 """ various useful methods """
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21
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22 import unicodedata
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23 import os.path
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24 import datetime
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25 import subprocess
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26 import time
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27 import sys
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28 import random
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29 import inspect
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30 import textwrap
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31 import functools
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32 from twisted.python import procutils
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33 from sat.core.constants import Const as C
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34 from sat.core.log import getLogger
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36 log = getLogger(__name__)
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38
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39 NO_REPOS_DATA = "repository data unknown"
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40 repos_cache_dict = None
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41 repos_cache = None
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44 def clean_ustr(ustr):
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45 """Clean unicode string
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47 remove special characters from unicode string
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48 """
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49
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50 def valid_chars(unicode_source):
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51 for char in unicode_source:
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52 if unicodedata.category(char) == "Cc" and char != "\n":
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53 continue
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54 yield char
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55
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56 return "".join(valid_chars(ustr))
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59 def logError(failure_):
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60 """Genertic errback which log the error as a warning, and re-raise it"""
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61 log.warning(failure_.value)
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62 raise failure_
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65 def partial(func, *fixed_args, **fixed_kwargs):
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66 # FIXME: temporary hack to workaround the fact that inspect.getargspec is not working with functools.partial
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67 # making partial unusable with current D-bus module (in addMethod).
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68 # Should not be needed anywore once moved to Python 3
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70 ori_args = inspect.getargspec(func).args
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71 func = functools.partial(func, *fixed_args, **fixed_kwargs)
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72 if ori_args[0] == "self":
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73 del ori_args[0]
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74 ori_args = ori_args[len(fixed_args) :]
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75 for kw in fixed_kwargs:
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76 ori_args.remove(kw)
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77
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78 exec(
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79 textwrap.dedent(
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80 """\
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81 def method({args}):
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82 return func({kw_args})
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83 """
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84 ).format(
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85 args=", ".join(ori_args), kw_args=", ".join([a + "=" + a for a in ori_args])
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86 ),
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87 locals(),
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88 )
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89
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90 return method
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93 def xmpp_date(timestamp=None, with_time=True):
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94 """Return date according to XEP-0082 specification
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95
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96 to avoid reveling the timezone, we always return UTC dates
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97 the string returned by this method is valid with RFC 3339
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98 @param timestamp(None, float): posix timestamp. If None current time will be used
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99 @param with_time(bool): if True include the time
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100 @return(unicode): XEP-0082 formatted date and time
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101 """
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102 template_date = "%Y-%m-%d"
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103 template_time = "%H:%M:%SZ"
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104 template = (
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105 "{}T{}".format(template_date, template_time) if with_time else template_date
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106 )
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107 return datetime.datetime.utcfromtimestamp(
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108 time.time() if timestamp is None else timestamp
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109 ).strftime(template)
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110
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111
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112 def generatePassword(vocabulary=None, size=20):
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113 """Generate a password with random characters.
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114
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115 @param vocabulary(iterable): characters to use to create password
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116 @param size(int): number of characters in the password to generate
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117 @return (unicode): generated password
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118 """
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119 random.seed()
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120 if vocabulary is None:
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121 vocabulary = [
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122 chr(i) for i in list(range(0x30, 0x3A)) + list(range(0x41, 0x5B)) + list(range(0x61, 0x7B))
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123 ]
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124 return "".join([random.choice(vocabulary) for i in range(15)])
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125
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566908d483f6 core (utils): added a method to generate XEP-0082 style dates
Goffi <goffi@goffi.org>
parents: 1471
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126
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127 def getRepositoryData(module, as_string=True, is_path=False):
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128 """Retrieve info on current mecurial repository
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
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129
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130 Data is gotten by using the following methods, in order:
06e13ae616cf tools (utils): improved repository version detection:
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131 - using "hg" executable
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132 - looking for a .hg/dirstate in parent directory of module (or in module/.hg if
06e13ae616cf tools (utils): improved repository version detection:
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133 is_path is True), and parse dirstate file to get revision
2573
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134 - checking package version, which should have repository data when we are on a dev version
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135 @param module(unicode): module to look for (e.g. sat, libervia)
06e13ae616cf tools (utils): improved repository version detection:
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136 module can be a path if is_path is True (see below)
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137 @param as_string(bool): if True return a string, else return a dictionary
1858
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138 @param is_path(bool): if True "module" is not handled as a module name, but as an
06e13ae616cf tools (utils): improved repository version detection:
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139 absolute path to the parent of a ".hg" directory
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140 @return (unicode, dictionary): retrieved info in a nice string,
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141 or a dictionary with retrieved data (key is not present if data is not found),
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142 key can be:
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143 - node: full revision number (40 bits)
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144 - branch: branch name
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145 - date: ISO 8601 format date
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146 - tag: latest tag used in hierarchie
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147 - distance: number of commits since the last tag
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148 """
2573
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149 global repos_cache_dict
18e2ca5f798e tools (utils): better repository version handling:
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150 if as_string:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
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151 global repos_cache
18e2ca5f798e tools (utils): better repository version handling:
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152 if repos_cache is not None:
18e2ca5f798e tools (utils): better repository version handling:
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153 return repos_cache
18e2ca5f798e tools (utils): better repository version handling:
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154 else:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
155 if repos_cache_dict is not None:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
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156 return repos_cache_dict
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
157
2089
0931b5a6213c core, quick_frontends: android compatibility hacks:
Goffi <goffi@goffi.org>
parents: 1935
diff changeset
158 if sys.platform == "android":
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159 #  FIXME: workaround to avoid trouble on android, need to be fixed properly
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160 repos_cache = "Cagou android build"
2573
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161 return repos_cache
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162
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163 KEYS = ("node", "node_short", "branch", "date", "tag", "distance")
1858
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Goffi <goffi@goffi.org>
parents: 1857
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164 ori_cwd = os.getcwd()
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
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165
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
166 if is_path:
2568
8e204f0d3193 tools(utils): fixed path handling in getRepositoryData
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
167 repos_root = os.path.abspath(module)
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
168 else:
2568
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Goffi <goffi@goffi.org>
parents: 2562
diff changeset
169 repos_root = os.path.abspath(os.path.dirname(module.__file__))
1858
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170
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171 try:
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172 hg_path = procutils.which("hg")[0]
2573
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parents: 2568
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173 except IndexError:
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174 log.warning("Can't find hg executable")
2573
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175 hg_path = None
18e2ca5f798e tools (utils): better repository version handling:
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176 hg_data = {}
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177
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
Goffi <goffi@goffi.org>
parents: 916
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178 if hg_path is not None:
1376
28fd9e838f8f core: getRepositoryData now get the module in argument
Goffi <goffi@goffi.org>
parents: 1375
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179 os.chdir(repos_root)
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Goffi <goffi@goffi.org>
parents: 916
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180 try:
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181 hg_data_raw = subprocess.check_output(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
182 [
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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183 "hg",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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184 "log",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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185 "-r",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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186 "-1",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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187 "--template",
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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188 "{node}\n"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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189 "{node|short}\n"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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190 "{branch}\n"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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191 "{date|isodate}\n"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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192 "{latesttag}\n"
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parents: 2612
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193 "{latesttagdistance}",
3028
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Goffi <goffi@goffi.org>
parents: 2793
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194 ],
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195 text=True
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196 )
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197 except subprocess.CalledProcessError:
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
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198 hg_data = {}
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
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199 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
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diff changeset
200 hg_data = dict(list(zip(KEYS, hg_data_raw.split("\n"))))
1857
2d2617930f97 core (tools): fixed bad call to "hg id" when hg is not working to guest revision, which was the cause of an Exception
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
201 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
202 hg_data["modified"] = "+" in subprocess.check_output(["hg", "id", "-i"], text=True)
1857
2d2617930f97 core (tools): fixed bad call to "hg id" when hg is not working to guest revision, which was the cause of an Exception
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
203 except subprocess.CalledProcessError:
2d2617930f97 core (tools): fixed bad call to "hg id" when hg is not working to guest revision, which was the cause of an Exception
Goffi <goffi@goffi.org>
parents: 1766
diff changeset
204 pass
1471
934e402c90bf core: tools.utils.getRepositoryData now return "hg log -r -1" and short form of node + fixed crash if mercurial is not present:
Goffi <goffi@goffi.org>
parents: 1396
diff changeset
205 else:
934e402c90bf core: tools.utils.getRepositoryData now return "hg log -r -1" and short form of node + fixed crash if mercurial is not present:
Goffi <goffi@goffi.org>
parents: 1396
diff changeset
206 hg_data = {}
1375
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Goffi <goffi@goffi.org>
parents: 916
diff changeset
207
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
Goffi <goffi@goffi.org>
parents: 916
diff changeset
208 if not hg_data:
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
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diff changeset
209 # .hg/dirstate method
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
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diff changeset
210 log.debug("trying dirstate method")
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
211 if is_path:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
212 os.chdir(repos_root)
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
213 else:
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
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214 os.chdir(os.path.abspath(os.path.dirname(repos_root)))
1375
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
Goffi <goffi@goffi.org>
parents: 916
diff changeset
215 try:
3064
d62fceccff22 core (tools/utils): fixed hex conversion in getRepositoryData following Python 3 port
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
216 with open(".hg/dirstate", 'rb') as hg_dirstate:
d62fceccff22 core (tools/utils): fixed hex conversion in getRepositoryData following Python 3 port
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
217 hg_data["node"] = hg_dirstate.read(20).hex()
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Goffi <goffi@goffi.org>
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diff changeset
218 hg_data["node_short"] = hg_data["node"][:12]
1375
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Goffi <goffi@goffi.org>
parents: 916
diff changeset
219 except IOError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
220 log.debug("Can't access repository data")
1375
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Goffi <goffi@goffi.org>
parents: 916
diff changeset
221
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
222 # we restore original working dir
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
223 os.chdir(ori_cwd)
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
224
2573
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Goffi <goffi@goffi.org>
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diff changeset
225 if not hg_data:
3028
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Goffi <goffi@goffi.org>
parents: 2793
diff changeset
226 log.debug("Mercurial not available or working, trying package version")
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
227 try:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
228 import pkg_resources
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diff changeset
229
2573
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diff changeset
230 pkg_version = pkg_resources.get_distribution(C.APP_NAME_FILE).version
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Goffi <goffi@goffi.org>
parents: 2612
diff changeset
231 version, local_id = pkg_version.split("+", 1)
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
232 except ImportError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
233 log.warning("pkg_resources not available, can't get package data")
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
234 except pkg_resources.DistributionNotFound:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
235 log.warning("can't retrieve package data")
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
236 except ValueError:
2624
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Goffi <goffi@goffi.org>
parents: 2612
diff changeset
237 log.info(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
238 "no local version id in package: {pkg_version}".format(
2624
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Goffi <goffi@goffi.org>
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diff changeset
239 pkg_version=pkg_version
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
240 )
56f94936df1e code style reformatting using black
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parents: 2612
diff changeset
241 )
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
242 else:
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Goffi <goffi@goffi.org>
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diff changeset
243 version = version.replace(".dev0", "D")
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
244 if version != C.APP_VERSION:
2624
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Goffi <goffi@goffi.org>
parents: 2612
diff changeset
245 log.warning(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
246 "Incompatible version ({version}) and pkg_version ({pkg_version})".format(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
247 version=C.APP_VERSION, pkg_version=pkg_version
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
248 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
249 )
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
250 else:
2576
cb7bf936d8e8 setup, tools(utils): fixed versioning in setup and getRepositoryData
Goffi <goffi@goffi.org>
parents: 2573
diff changeset
251 try:
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Goffi <goffi@goffi.org>
parents: 2612
diff changeset
252 hg_node, hg_distance = local_id.split(".")
2576
cb7bf936d8e8 setup, tools(utils): fixed versioning in setup and getRepositoryData
Goffi <goffi@goffi.org>
parents: 2573
diff changeset
253 except ValueError:
cb7bf936d8e8 setup, tools(utils): fixed versioning in setup and getRepositoryData
Goffi <goffi@goffi.org>
parents: 2573
diff changeset
254 log.warning("Version doesn't specify repository data")
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Goffi <goffi@goffi.org>
parents: 2612
diff changeset
255 hg_data = {"node_short": hg_node, "distance": hg_distance}
2573
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Goffi <goffi@goffi.org>
parents: 2568
diff changeset
256
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
257 repos_cache_dict = hg_data
1858
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parents: 1857
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258
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259 if as_string:
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260 if not hg_data:
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261 repos_cache = NO_REPOS_DATA
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parents: 2568
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262 else:
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Goffi <goffi@goffi.org>
parents: 2793
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263 strings = ["rev", hg_data["node_short"]]
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parents: 2568
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264 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
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265 if hg_data["modified"]:
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parents: 2793
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266 strings.append("[M]")
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267 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
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268 pass
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
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269 try:
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parents: 2793
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270 strings.extend(["({branch} {date})".format(**hg_data)])
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271 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
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272 pass
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parents: 2568
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273 try:
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Goffi <goffi@goffi.org>
parents: 2793
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274 strings.extend(["+{distance}".format(**hg_data)])
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parents: 2568
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275 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
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276 pass
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Goffi <goffi@goffi.org>
parents: 2793
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277 repos_cache = " ".join(strings)
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parents: 2568
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278 return repos_cache
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Goffi <goffi@goffi.org>
parents: 916
diff changeset
279 else:
3a20312d4012 core: if we are in dev version and it's possible, repository data are now checked and added to SàT version
Goffi <goffi@goffi.org>
parents: 916
diff changeset
280 return hg_data