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annotate src/tools/utils.py @ 2238:228d208fb5db

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core (tools/utils): added method to parse XMPP dates
author Goffi <goffi@goffi.org>
date Fri, 19 May 2017 12:33:11 +0200
parents 968b0d13bcc7
children 8b37a62336c3
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rev   line source
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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) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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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.log import getLogger
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25 log = getLogger(__name__)
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26 import datetime
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27 import dateutil
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28 import calendar
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29 import time
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30 import sys
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31 import random
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33
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34 def clean_ustr(ustr):
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35 """Clean unicode string
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36
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37 remove special characters from unicode string
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38 """
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39 def valid_chars(unicode_source):
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40 for char in unicode_source:
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41 if unicodedata.category(char) == 'Cc' and char!='\n':
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42 continue
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43 yield char
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44 return ''.join(valid_chars(ustr))
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45
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46 def xmpp_date(timestamp=None, with_time=True):
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47 """Return date according to XEP-0082 specification
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49 to avoid reveling the timezone, we always return UTC dates
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50 the string returned by this method is valid with RFC 3339
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51 @param timestamp(None, float): posix timestamp. If None current time will be used
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52 @param with_time(bool): if True include the time
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53 @return(unicode): XEP-0082 formatted date and time
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54 """
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55 template_date = u"%Y-%m-%d"
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56 template_time = u"%H:%M:%SZ"
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57 template = u"{}T{}".format(template_date, template_time) if with_time else template_date
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58 return datetime.datetime.utcfromtimestamp(time.time() if timestamp is None else timestamp).strftime(template)
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59
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60 def date_parse(value):
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61 """Parse a date and return corresponding unix timestamp
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62
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63 @param value(unicode): date to parse, in any format supported by dateutil.parser
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64 """
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65 return calendar.timegm(dateutil.parser.parse(unicode(value)).utctimetuple())
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66
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67 def generatePassword(vocabulary=None, size=20):
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68 """Generate a password with random characters.
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69
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70 @param vocabulary(iterable): characters to use to create password
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71 @param size(int): number of characters in the password to generate
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72 @return (unicode): generated password
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73 """
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74 random.seed()
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75 if vocabulary is None:
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76 vocabulary = [chr(i) for i in range(0x30,0x3A) + range(0x41,0x5B) + range (0x61,0x7B)]
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77 return u''.join([random.choice(vocabulary) for i in range(15)])
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78
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79 def getRepositoryData(module, as_string=True, is_path=False, save_dir_path=None):
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80 """Retrieve info on current mecurial repository
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81
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82 Data is gotten by using the following methods, in order:
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83 - using "hg" executable
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84 - looking for a ".hg_data" file in the root of the module
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85 this file must contain the data dictionnary serialized with pickle
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86 - looking for a .hg/dirstate in parent directory of module (or in module/.hg if
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87 is_path is True), and parse dirstate file to get revision
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88 @param module(unicode): module to look for (e.g. sat, libervia)
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89 module can be a path if is_path is True (see below)
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90 @param as_string(bool): if True return a string, else return a dictionary
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91 @param is_path(bool): if True "module" is not handled as a module name, but as an
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92 absolute path to the parent of a ".hg" directory
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93 @param save_path(str, None): if not None, the value will be saved to given path as a pickled dict
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94 /!\\ the .hg_data file in the given directory will be overwritten
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95 @return (unicode, dictionary): retrieved info in a nice string,
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96 or a dictionary with retrieved data (key is not present if data is not found),
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97 key can be:
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98 - node: full revision number (40 bits)
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99 - branch: branch name
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100 - date: ISO 8601 format date
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101 - tag: latest tag used in hierarchie
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102 """
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103 if sys.platform == "android":
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104 # FIXME: workaround to avoid trouble on android, need to be fixed properly
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105 return u"Cagou android build"
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106 from distutils.spawn import find_executable
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107 import subprocess
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108 KEYS=("node", "node_short", "branch", "date", "tag")
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109 ori_cwd = os.getcwd()
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110
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111 if is_path:
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112 repos_root = module
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113 else:
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114 repos_root = os.path.dirname(module.__file__)
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115
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116 hg_path = find_executable('hg')
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117
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118 if hg_path is not None:
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119 os.chdir(repos_root)
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120 try:
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121 hg_data_raw = subprocess.check_output(["hg","log", "-r", "-1", "--template","{node}\n{node|short}\n{branch}\n{date|isodate}\n{latesttag}"])
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122 except subprocess.CalledProcessError:
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123 hg_data = {}
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parents: 916
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124 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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parents: 916
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125 hg_data = dict(zip(KEYS, hg_data_raw.split('\n')))
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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
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126 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
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parents: 1766
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127 hg_data['modified'] = '+' in subprocess.check_output(["hg","id","-i"])
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parents: 1766
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128 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
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129 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:
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parents: 1396
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130 else:
934e402c90bf core: tools.utils.getRepositoryData now return "hg log -r -1" and short form of node + fixed crash if mercurial is not present:
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parents: 1396
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131 hg_data = {}
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132
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
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133 if not hg_data:
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134 # .hg_data pickle method
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135 log.debug(u"Mercurial not available or working, trying other methods")
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136 if save_dir_path is None:
06e13ae616cf tools (utils): improved repository version detection:
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137 log.debug(u"trying .hg_data method")
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parents: 1857
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138
06e13ae616cf tools (utils): improved repository version detection:
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139 try:
06e13ae616cf tools (utils): improved repository version detection:
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140 with open(os.path.join(repos_root, '.hg_data')) as f:
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141 import cPickle as pickle
06e13ae616cf tools (utils): improved repository version detection:
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142 hg_data = pickle.load(f)
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
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143 except IOError as e:
06e13ae616cf tools (utils): improved repository version detection:
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144 log.debug(u"Can't access .hg_data file: {}".format(e))
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
145 except pickle.UnpicklingError:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
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146 log.warning(u"Error while reading {}, can't get repos data".format(f.name))
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
diff changeset
147
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
148 if not hg_data:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
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149 # .hg/dirstate method
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150 log.debug(u"trying dirstate method")
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
151 if is_path:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
152 os.chdir(repos_root)
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
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153 else:
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
diff changeset
154 os.chdir(os.path.relpath('..', repos_root))
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parents: 916
diff changeset
155 try:
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
156 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
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parents: 916
diff changeset
157 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
158 hg_data['node_short'] = hg_data['node'][:12]
1375
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parents: 916
diff changeset
159 except IOError:
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
160 log.warning(u"Can't access repository data")
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
161
1858
06e13ae616cf tools (utils): improved repository version detection:
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parents: 1857
diff changeset
162 # we restore original working dir
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
163 os.chdir(ori_cwd)
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
164
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
165 # data saving
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
166 if save_dir_path is not None and hg_data:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
167 if not os.path.isdir(save_dir_path):
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
168 log.warning(u"Given path is not a directory, can't save data")
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
169 else:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
170 import cPickle as pickle
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
171 dest_path = os.path.join(save_dir_path, ".hg_data")
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
172 try:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
173 with open(dest_path, 'w') as f:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
174 pickle.dump(hg_data, f, 2)
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
175 except IOError as e:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
176 log.warning(u"Can't save file to {path}: {reason}".format(
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
177 path=dest_path, reason=e))
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
178 else:
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
179 log.debug(u"repository data saved to {}".format(dest_path))
06e13ae616cf tools (utils): improved repository version detection:
Goffi <goffi@goffi.org>
parents: 1857
diff changeset
180
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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parents: 916
diff changeset
181 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
182 if not hg_data:
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
183 return u'repository data unknown'
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
184 strings = [u'rev', hg_data['node_short']]
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
185 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
186 if hg_data['modified']:
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
187 strings.append(u"[M]")
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
188 except KeyError:
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
189 pass
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
190 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
191 strings.extend([u'({branch} {date})'.format(**hg_data)])
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
192 except KeyError:
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 pass
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
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
195 return u' '.join(strings)
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
196 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
197 return hg_data