Mercurial > libervia-backend

annotate sat/tools/utils.py @ 3732:0fac164ff2d8

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tools (xml_tools): fix `widget_args` modification in `_dataFormField2XMLUIData`: in `textbox` widget, the first arg was modified with all values, lettings other ones unchanger, resulting in invalid number of arguments. This has been fixed by replacing all args with the new value.
author Goffi <goffi@goffi.org>
date Mon, 31 Jan 2022 18:35:52 +0100
parents aa58451b77ba
children 0a87cae85746
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/env python3
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2
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3 # SaT: an XMPP client
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4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 """ various useful methods """
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20
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21 import unicodedata
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22 import os.path
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23 import datetime
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24 import subprocess
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25 import time
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26 import sys
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27 import random
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28 import inspect
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29 import textwrap
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30 import functools
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31 import asyncio
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32 from twisted.python import procutils, failure
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33 from twisted.internet import defer
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34 from sat.core.constants import Const as C
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35 from sat.core.log import getLogger
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36
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37 log = getLogger(__name__)
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38
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39
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40 NO_REPOS_DATA = "repository data unknown"
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41 repos_cache_dict = None
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42 repos_cache = None
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44
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45 def clean_ustr(ustr):
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46 """Clean unicode string
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47
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48 remove special characters from unicode string
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49 """
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50
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51 def valid_chars(unicode_source):
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52 for char in unicode_source:
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53 if unicodedata.category(char) == "Cc" and char != "\n":
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54 continue
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55 yield char
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56
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57 return "".join(valid_chars(ustr))
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58
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60 def logError(failure_):
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61 """Genertic errback which log the error as a warning, and re-raise it"""
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62 log.warning(failure_.value)
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63 raise failure_
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64
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65
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66 def partial(func, *fixed_args, **fixed_kwargs):
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67 # FIXME: temporary hack to workaround the fact that inspect.getargspec is not working with functools.partial
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68 # making partial unusable with current D-bus module (in addMethod).
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69 # Should not be needed anywore once moved to Python 3
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70
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71 ori_args = inspect.getargspec(func).args
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72 func = functools.partial(func, *fixed_args, **fixed_kwargs)
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73 if ori_args[0] == "self":
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74 del ori_args[0]
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75 ori_args = ori_args[len(fixed_args) :]
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76 for kw in fixed_kwargs:
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77 ori_args.remove(kw)
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78
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79 exec(
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80 textwrap.dedent(
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81 """\
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82 def method({args}):
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83 return func({kw_args})
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84 """
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85 ).format(
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86 args=", ".join(ori_args), kw_args=", ".join([a + "=" + a for a in ori_args])
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87 ),
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88 locals(),
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89 )
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90
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91 return method
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92
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93
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94 def asDeferred(func, *args, **kwargs):
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95 """Call a method and return a Deferred
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96
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97 the method can be a simple callable, a Deferred or a coroutine.
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98 It is similar to defer.maybeDeferred, but also handles coroutines
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99 """
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100 try:
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101 ret = func(*args, **kwargs)
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102 except Exception as e:
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103 return defer.fail(failure.Failure(e))
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104 else:
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105 if asyncio.iscoroutine(ret):
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106 return defer.ensureDeferred(ret)
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107 elif isinstance(ret, defer.Deferred):
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108 return ret
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109 elif isinstance(ret, failure.Failure):
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110 return defer.fail(ret)
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111 else:
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112 return defer.succeed(ret)
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113
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114
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115 def aio(func):
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116 """Decorator to return a Deferred from asyncio coroutine
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117
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118 Functions with this decorator are run in asyncio context
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119 """
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120 def wrapper(*args, **kwargs):
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121 return defer.Deferred.fromFuture(asyncio.ensure_future(func(*args, **kwargs)))
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122 return wrapper
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123
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124
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125 def as_future(d):
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126 return d.asFuture(asyncio.get_event_loop())
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127
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128
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129 def ensure_deferred(func):
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130 """Decorator to apply ensureDeferred to a function
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131
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132 to be used when the function is called by third party library (e.g. wokkel)
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133 Otherwise, it's better to use ensureDeferred as early as possible.
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134 """
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135 def wrapper(*args, **kwargs):
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136 return defer.ensureDeferred(func(*args, **kwargs))
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137 return wrapper
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138
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139
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140 def xmpp_date(timestamp=None, with_time=True):
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141 """Return date according to XEP-0082 specification
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142
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143 to avoid reveling the timezone, we always return UTC dates
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144 the string returned by this method is valid with RFC 3339
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145 @param timestamp(None, float): posix timestamp. If None current time will be used
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146 @param with_time(bool): if True include the time
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147 @return(unicode): XEP-0082 formatted date and time
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148 """
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149 template_date = "%Y-%m-%d"
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150 template_time = "%H:%M:%SZ"
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151 template = (
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152 "{}T{}".format(template_date, template_time) if with_time else template_date
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153 )
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154 return datetime.datetime.utcfromtimestamp(
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155 time.time() if timestamp is None else timestamp
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156 ).strftime(template)
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157
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158
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159 def generatePassword(vocabulary=None, size=20):
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160 """Generate a password with random characters.
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161
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162 @param vocabulary(iterable): characters to use to create password
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163 @param size(int): number of characters in the password to generate
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164 @return (unicode): generated password
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165 """
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166 random.seed()
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167 if vocabulary is None:
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168 vocabulary = [
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169 chr(i) for i in list(range(0x30, 0x3A)) + list(range(0x41, 0x5B)) + list(range(0x61, 0x7B))
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170 ]
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171 return "".join([random.choice(vocabulary) for i in range(15)])
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172
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173
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174 def getRepositoryData(module, as_string=True, is_path=False):
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175 """Retrieve info on current mecurial repository
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176
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177 Data is gotten by using the following methods, in order:
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178 - using "hg" executable
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179 - looking for a .hg/dirstate in parent directory of module (or in module/.hg if
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180 is_path is True), and parse dirstate file to get revision
2573
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181 - checking package version, which should have repository data when we are on a dev version
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182 @param module(unicode): module to look for (e.g. sat, libervia)
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183 module can be a path if is_path is True (see below)
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184 @param as_string(bool): if True return a string, else return a dictionary
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185 @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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186 absolute path to the parent of a ".hg" directory
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187 @return (unicode, dictionary): retrieved info in a nice string,
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188 or a dictionary with retrieved data (key is not present if data is not found),
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189 key can be:
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190 - node: full revision number (40 bits)
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191 - branch: branch name
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192 - date: ISO 8601 format date
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193 - tag: latest tag used in hierarchie
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194 - distance: number of commits since the last tag
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195 """
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196 global repos_cache_dict
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197 if as_string:
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198 global repos_cache
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199 if repos_cache is not None:
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200 return repos_cache
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201 else:
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
202 if repos_cache_dict is not None:
18e2ca5f798e tools (utils): better repository version handling:
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203 return repos_cache_dict
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204
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205 if sys.platform == "android":
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206 #  FIXME: workaround to avoid trouble on android, need to be fixed properly
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207 repos_cache = "Cagou android build"
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208 return repos_cache
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209
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210 KEYS = ("node", "node_short", "branch", "date", "tag", "distance")
1858
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211 ori_cwd = os.getcwd()
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
212
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
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213 if is_path:
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8e204f0d3193 tools(utils): fixed path handling in getRepositoryData
Goffi <goffi@goffi.org>
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diff changeset
214 repos_root = os.path.abspath(module)
1858
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215 else:
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Goffi <goffi@goffi.org>
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diff changeset
216 repos_root = os.path.abspath(os.path.dirname(module.__file__))
1858
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217
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218 try:
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219 hg_path = procutils.which("hg")[0]
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220 except IndexError:
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221 log.warning("Can't find hg executable")
2573
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222 hg_path = None
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223 hg_data = {}
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224
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225 if hg_path is not None:
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226 os.chdir(repos_root)
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227 try:
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228 hg_data_raw = subprocess.check_output(
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229 [
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230 "hg",
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diff changeset
231 "log",
56f94936df1e code style reformatting using black
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232 "-r",
56f94936df1e code style reformatting using black
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233 "-1",
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234 "--template",
56f94936df1e code style reformatting using black
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235 "{node}\n"
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236 "{node|short}\n"
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237 "{branch}\n"
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238 "{date|isodate}\n"
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239 "{latesttag}\n"
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240 "{latesttagdistance}",
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241 ],
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242 text=True
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243 )
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244 except subprocess.CalledProcessError:
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245 hg_data = {}
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246 else:
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247 hg_data = dict(list(zip(KEYS, hg_data_raw.split("\n"))))
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diff changeset
248 try:
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249 hg_data["modified"] = "+" in subprocess.check_output(["hg", "id", "-i"], text=True)
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Goffi <goffi@goffi.org>
parents: 1766
diff changeset
250 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
251 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>
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252 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
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253 hg_data = {}
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254
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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255 if not hg_data:
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256 # .hg/dirstate method
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Goffi <goffi@goffi.org>
parents: 2793
diff changeset
257 log.debug("trying dirstate method")
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parents: 1857
diff changeset
258 if is_path:
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parents: 1857
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259 os.chdir(repos_root)
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
260 else:
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261 os.chdir(os.path.abspath(os.path.dirname(repos_root)))
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parents: 916
diff changeset
262 try:
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d62fceccff22 core (tools/utils): fixed hex conversion in getRepositoryData following Python 3 port
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
263 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
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264 hg_data["node"] = hg_dirstate.read(20).hex()
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diff changeset
265 hg_data["node_short"] = hg_data["node"][:12]
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266 except IOError:
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parents: 2793
diff changeset
267 log.debug("Can't access repository data")
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parents: 916
diff changeset
268
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parents: 1857
diff changeset
269 # we restore original working dir
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
diff changeset
270 os.chdir(ori_cwd)
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
diff changeset
271
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diff changeset
272 if not hg_data:
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parents: 2793
diff changeset
273 log.debug("Mercurial not available or working, trying package version")
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Goffi <goffi@goffi.org>
parents: 2568
diff changeset
274 try:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
275 import pkg_resources
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
276 except ImportError:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
277 log.warning("pkg_resources not available, can't get package data")
1858
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Goffi <goffi@goffi.org>
parents: 1857
diff changeset
278 else:
3420
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Goffi <goffi@goffi.org>
parents: 3368
diff changeset
279 try:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
280 pkg_version = pkg_resources.get_distribution(C.APP_NAME_FILE).version
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
281 version, local_id = pkg_version.split("+", 1)
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
282 except pkg_resources.DistributionNotFound:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
283 log.warning("can't retrieve package data")
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
284 except ValueError:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
285 log.info(
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
286 "no local version id in package: {pkg_version}".format(
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
287 pkg_version=pkg_version
2624
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Goffi <goffi@goffi.org>
parents: 2612
diff changeset
288 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
289 )
1858
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Goffi <goffi@goffi.org>
parents: 1857
diff changeset
290 else:
3420
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Goffi <goffi@goffi.org>
parents: 3368
diff changeset
291 version = version.replace(".dev0", "D")
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
292 if version != C.APP_VERSION:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
293 log.warning(
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
294 "Incompatible version ({version}) and pkg_version ({pkg_version})"
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
295 .format(
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
296 version=C.APP_VERSION, pkg_version=pkg_version
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
297 )
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
298 )
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
299 else:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
300 try:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
301 hg_node, hg_distance = local_id.split(".")
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
302 except ValueError:
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
303 log.warning("Version doesn't specify repository data")
b526b95f11f2 tools(utils): fixed error catching when getting repository data with `pkg_resources`
Goffi <goffi@goffi.org>
parents: 3368
diff changeset
304 hg_data = {"node_short": hg_node, "distance": hg_distance}
2573
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Goffi <goffi@goffi.org>
parents: 2568
diff changeset
305
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
306 repos_cache_dict = hg_data
1858
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
307
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Goffi <goffi@goffi.org>
parents: 916
diff changeset
308 if as_string:
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
309 if not hg_data:
2573
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Goffi <goffi@goffi.org>
parents: 2568
diff changeset
310 repos_cache = NO_REPOS_DATA
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
311 else:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
312 strings = ["rev", hg_data["node_short"]]
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
313 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2612
diff changeset
314 if hg_data["modified"]:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
315 strings.append("[M]")
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
316 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
317 pass
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
318 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
319 strings.extend(["({branch} {date})".format(**hg_data)])
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
320 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
321 pass
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
322 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
323 strings.extend(["+{distance}".format(**hg_data)])
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
324 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
325 pass
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2793
diff changeset
326 repos_cache = " ".join(strings)
2573
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
327 return repos_cache
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
328 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
329 return hg_data