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annotate src/tools/utils.py @ 1511:83f71763e1a7

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plugin XEP-0277: clarify a docstring for one complex method argument
author souliane <souliane@mailoo.org>
date Thu, 10 Sep 2015 07:35:43 +0200
parents 566908d483f6
children d17772b0fe22
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #!/usr/bin/python
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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, 2010, 2011, 2012, 2013, 2014, 2015 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 time
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28
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29
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30 def clean_ustr(ustr):
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31 """Clean unicode string
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32
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33 remove special characters from unicode string
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34 """
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35 def valid_chars(unicode_source):
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36 for char in unicode_source:
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37 if unicodedata.category(char) == 'Cc' and char!='\n':
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38 continue
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39 yield char
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40 return ''.join(valid_chars(ustr))
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41
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42 def xmpp_date(timestamp=None, with_time=True):
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43 """Return date according to XEP-0082 specification
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44
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45 to avoid reveling the timezone, we always return UTC dates
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46 @param timestamp(None, float): posix timestamp. If None current time will be used
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47 @param with_time(bool): if True include the time
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48 @return(unicode): XEP-0082 formatted date and time
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49 """
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50 template_date = u"%Y-%m-%d"
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51 template_time = u"%H:%M:%SZ"
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52 template = u"{}T{}".format(template_date, template_time) if with_time else template_date
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53 return datetime.datetime.utcfromtimestamp(time.time() if timestamp is None else timestamp).strftime(template)
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54
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55
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56 def getRepositoryData(module, as_string=True):
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57 """Retrieve info on current mecurial repository
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58
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59 @param module: module to look for (e.g. sat, libervia)
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60 @param as_string(bool): if True return a string, else return a dictionary
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61 @return (unicode, dictionary): retrieved info in a nice string,
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62 or a dictionary with retrieved data (key is not present if data is not found),
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63 key can be:
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64 - node: full revision number (40 bits)
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65 - branch: branch name
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66 - date: ISO 8601 format date
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67 - tag: latest tag used in hierarchie
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68 """
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69 from distutils.spawn import find_executable
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70 import subprocess
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71 KEYS=("node", "node_short", "branch", "date", "tag")
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72 repos_root = os.path.dirname(module.__file__)
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73 hg_path = find_executable('hg')
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74
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75 if hg_path is not None:
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76 os.chdir(repos_root)
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77 try:
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78 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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79 except subprocess.CalledProcessError:
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80 hg_data = {}
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81 else:
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82 hg_data = dict(zip(KEYS, hg_data_raw.split('\n')))
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83 try:
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84 hg_data['modified'] = '+' in subprocess.check_output(["hg","id","-i"])
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85 except subprocess.CalledProcessError:
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86 pass
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87 else:
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88 hg_data = {}
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89
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90 if not hg_data:
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91 log.debug(u"Mercurial not available or working, trying to get data from dirstate")
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92 os.chdir(os.path.relpath('..', repos_root))
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93 try:
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94 with open('.hg/dirstate') as hg_dirstate:
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95 hg_data['node'] = hg_dirstate.read(20).encode('hex')
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96 hg_data['node_short'] = hg_data['node'][:12]
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97 except IOError:
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98 log.warning(u"Can't access repository data")
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99
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100 if as_string:
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101 if not hg_data:
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102 return u'repository data unknown'
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103 strings = [u'rev', hg_data['node_short']]
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104 try:
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105 if hg_data['modified']:
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106 strings.append(u"[M]")
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107 except KeyError:
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108 pass
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109 try:
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110 strings.extend([u'({branch} {date})'.format(**hg_data)])
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111 except KeyError:
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112 pass
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113
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114 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
115 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
116 return hg_data