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annotate sat/tools/utils.py @ 2573:18e2ca5f798e

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tools (utils): better repository version handling: - removed save_dir_path and .hg_data/pickle method: it is not needed to save repository data anymore as its version is now saved on installation by setuptools_scm - added "distance" (number of commits since last tag) - use twisted's which method to find the hg executable - result is now cached on first execution - fixed dirstate method - at last resort, try to find the repository version using the package version, as it is saved there by setuptools_scm
author Goffi <goffi@goffi.org>
date Thu, 05 Apr 2018 15:23:38 +0200
parents 8e204f0d3193
children cb7bf936d8e8
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1 #!/usr/bin/env python2
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT: a jabber client
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5 # Copyright (C) 2009-2018 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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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 from sat.core.constants import Const as C
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25 from sat.core.log import getLogger
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26 log = getLogger(__name__)
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27 import datetime
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28 from dateutil import parser as dateutil_parser
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29 from twisted.python import procutils
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30 import subprocess
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31 import calendar
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32 import time
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33 import sys
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34 import random
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35 import inspect
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36 import textwrap
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37 import functools
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39
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40 NO_REPOS_DATA = u'repository data unknown'
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41 repos_cache_dict = None
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42 repos_cache = None
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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 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 return ''.join(valid_chars(ustr))
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57 def partial(func, *fixed_args, **fixed_kwargs):
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58 # FIXME: temporary hack to workaround the fact that inspect.getargspec is not working with functools.partial
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59 # making partial unusable with current D-bus module (in addMethod).
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60 # Should not be needed anywore once moved to Python 3
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62 ori_args = inspect.getargspec(func).args
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63 func = functools.partial(func, *fixed_args, **fixed_kwargs)
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64 if ori_args[0] == 'self':
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65 del ori_args[0]
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66 ori_args = ori_args[len(fixed_args):]
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67 for kw in fixed_kwargs:
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68 ori_args.remove(kw)
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70 exec(textwrap.dedent('''\
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71 def method({args}):
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72 return func({kw_args})
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73 ''').format(
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74 args = ', '.join(ori_args),
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75 kw_args = ', '.join([a+'='+a for a in ori_args]))
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76 , locals())
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78 return method
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79
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80 def xmpp_date(timestamp=None, with_time=True):
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81 """Return date according to XEP-0082 specification
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82
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83 to avoid reveling the timezone, we always return UTC dates
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84 the string returned by this method is valid with RFC 3339
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85 @param timestamp(None, float): posix timestamp. If None current time will be used
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86 @param with_time(bool): if True include the time
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87 @return(unicode): XEP-0082 formatted date and time
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88 """
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89 template_date = u"%Y-%m-%d"
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90 template_time = u"%H:%M:%SZ"
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91 template = u"{}T{}".format(template_date, template_time) if with_time else template_date
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92 return datetime.datetime.utcfromtimestamp(time.time() if timestamp is None else timestamp).strftime(template)
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93
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94 def date_parse(value):
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95 """Parse a date and return corresponding unix timestamp
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96
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97 @param value(unicode): date to parse, in any format supported by dateutil.parser
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98 @return (int): timestamp
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99 """
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100 return calendar.timegm(dateutil_parser.parse(unicode(value)).utctimetuple())
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101
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102 def generatePassword(vocabulary=None, size=20):
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103 """Generate a password with random characters.
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104
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105 @param vocabulary(iterable): characters to use to create password
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106 @param size(int): number of characters in the password to generate
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107 @return (unicode): generated password
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108 """
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109 random.seed()
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110 if vocabulary is None:
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111 vocabulary = [chr(i) for i in range(0x30,0x3A) + range(0x41,0x5B) + range (0x61,0x7B)]
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112 return u''.join([random.choice(vocabulary) for i in range(15)])
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113
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114 def getRepositoryData(module, as_string=True, is_path=False):
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115 """Retrieve info on current mecurial repository
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116
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117 Data is gotten by using the following methods, in order:
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118 - using "hg" executable
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119 - looking for a .hg/dirstate in parent directory of module (or in module/.hg if
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diff changeset
120 is_path is True), and parse dirstate file to get revision
2573
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121 - checking package version, which should have repository data when we are on a dev version
1858
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122 @param module(unicode): module to look for (e.g. sat, libervia)
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123 module can be a path if is_path is True (see below)
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124 @param as_string(bool): if True return a string, else return a dictionary
1858
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125 @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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126 absolute path to the parent of a ".hg" directory
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127 @return (unicode, dictionary): retrieved info in a nice string,
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128 or a dictionary with retrieved data (key is not present if data is not found),
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129 key can be:
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130 - node: full revision number (40 bits)
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131 - branch: branch name
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132 - date: ISO 8601 format date
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133 - tag: latest tag used in hierarchie
2573
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134 - distance: number of commits since the last tag
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135 """
2573
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136 global repos_cache_dict
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137 if as_string:
18e2ca5f798e tools (utils): better repository version handling:
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138 global repos_cache
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139 if repos_cache is not None:
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140 return repos_cache
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141 else:
18e2ca5f798e tools (utils): better repository version handling:
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142 if repos_cache_dict is not None:
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143 return repos_cache_dict
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144
2089
0931b5a6213c core, quick_frontends: android compatibility hacks:
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diff changeset
145 if sys.platform == "android":
0931b5a6213c core, quick_frontends: android compatibility hacks:
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diff changeset
146 # FIXME: workaround to avoid trouble on android, need to be fixed properly
2573
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147 repos_cache = u"Cagou android build"
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148 return repos_cache
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
149
18e2ca5f798e tools (utils): better repository version handling:
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150 KEYS=("node", "node_short", "branch", "date", "tag", "distance")
1858
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151 ori_cwd = os.getcwd()
06e13ae616cf tools (utils): improved repository version detection:
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152
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
153 if is_path:
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8e204f0d3193 tools(utils): fixed path handling in getRepositoryData
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154 repos_root = os.path.abspath(module)
1858
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155 else:
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156 repos_root = os.path.abspath(os.path.dirname(module.__file__))
1858
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157
2573
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158 try:
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159 hg_path = procutils.which('hg')[0]
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160 except IndexError:
18e2ca5f798e tools (utils): better repository version handling:
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161 log.warning(u"Can't find hg executable")
18e2ca5f798e tools (utils): better repository version handling:
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162 hg_path = None
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diff changeset
163 hg_data = {}
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164
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
165 if hg_path is not None:
1376
28fd9e838f8f core: getRepositoryData now get the module in argument
Goffi <goffi@goffi.org>
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diff changeset
166 os.chdir(repos_root)
1375
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167 try:
2573
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168 hg_data_raw = subprocess.check_output(["hg","log", "-r", "-1", "--template","{node}\n"
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
169 "{node|short}\n"
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
170 "{branch}\n"
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
171 "{date|isodate}\n"
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
172 "{latesttag}\n"
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
173 "{latesttagdistance}"])
1375
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174 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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175 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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parents: 916
diff changeset
176 else:
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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diff changeset
177 hg_data = dict(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
178 try:
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
179 hg_data['modified'] = '+' in subprocess.check_output(["hg","id","-i"])
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
180 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
181 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
182 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
183 hg_data = {}
1375
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Goffi <goffi@goffi.org>
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diff changeset
184
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
185 if not hg_data:
1858
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
186 # .hg/dirstate method
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
187 log.debug(u"trying dirstate method")
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
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diff changeset
188 if is_path:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
189 os.chdir(repos_root)
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
diff changeset
190 else:
2573
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
191 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
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diff changeset
192 try:
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
193 with open('.hg/dirstate') as hg_dirstate:
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
194 hg_data['node'] = hg_dirstate.read(20).encode('hex')
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
195 hg_data['node_short'] = hg_data['node'][:12]
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>
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diff changeset
196 except IOError:
2573
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197 log.debug(u"Can't access repository data")
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diff changeset
198
1858
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199 # we restore original working dir
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
200 os.chdir(ori_cwd)
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
201
2573
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
202 if not hg_data:
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
203 log.debug(u"Mercurial not available or working, trying package version")
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
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diff changeset
204 try:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
205 import pkg_resources
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
206 pkg_version = pkg_resources.get_distribution(C.APP_NAME_FILE).version
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
207 version, hg_node, hg_distance = pkg_version.split('-')
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
208 except ImportError:
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
209 log.warning("pkg_resources not available, can't get package data")
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
210 except pkg_resources.DistributionNotFound:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
211 log.warning("can't retrieve package data")
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
212 except ValueError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
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diff changeset
213 log.warning(u"package version doesn't fit: {pkg_version}".format(pkg_version=pkg_version))
1858
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
214 else:
2573
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diff changeset
215 if version != C.APP_VERSION:
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
216 log.error("Incompatible version ({version}) and pkg_version ({pkg_version})".format(
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
217 version=C.APP_VERSION, pkg_version=pkg_version))
1858
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diff changeset
218 else:
2573
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diff changeset
219 hg_data = {'node_short': hg_node, 'distance': hg_distance}
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
220
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
221 repos_cache_dict = hg_data
1858
06e13ae616cf tools (utils): improved repository version detection:
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diff changeset
222
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223 if as_string:
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diff changeset
224 if not hg_data:
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diff changeset
225 repos_cache = NO_REPOS_DATA
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diff changeset
226 else:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
227 strings = [u'rev', hg_data['node_short']]
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
228 try:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
229 if hg_data['modified']:
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
230 strings.append(u"[M]")
18e2ca5f798e tools (utils): better repository version handling:
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diff changeset
231 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
232 pass
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
233 try:
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
234 strings.extend([u'({branch} {date})'.format(**hg_data)])
18e2ca5f798e tools (utils): better repository version handling:
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parents: 2568
diff changeset
235 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
236 pass
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
237 try:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
238 strings.extend([u'+{distance}'.format(**hg_data)])
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
239 except KeyError:
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
240 pass
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
241 repos_cache = u' '.join(strings)
18e2ca5f798e tools (utils): better repository version handling:
Goffi <goffi@goffi.org>
parents: 2568
diff changeset
242 return repos_cache
1375
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243 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
244 return hg_data