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annotate src/tools/utils.py @ 1423:882e5fabf68c

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plugin groupblog, tmp (mam, rsm): some style improvments/fixes: - renamed variables nammed after reserved word/module - removed class variables which are not needed - removed external parenthesis from asserts - in mam.MAMPrefs, removed default value for default argument, as None can't be used - (groupblog) extended docstring for DeferredItems and DeferredItemsFromMany
author Goffi <goffi@goffi.org>
date Thu, 23 Apr 2015 13:35:21 +0200
parents 069ad98b360d
children 934e402c90bf
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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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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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27
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28 def clean_ustr(ustr):
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29 """Clean unicode string
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30
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31 remove special characters from unicode string"""
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32 def valid_chars(unicode_source):
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33 for char in unicode_source:
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34 if unicodedata.category(char) == 'Cc' and char!='\n':
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35 continue
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36 yield char
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37 return ''.join(valid_chars(ustr))
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38
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39 def getRepositoryData(module, as_string=True):
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40 """Retrieve info on current mecurial repository
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41
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42 @param module: module to look for (e.g. sat, libervia)
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43 @param as_string(bool): if True return a string, else return a dictionary
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44 @return (unicode, dictionary): retrieved info in a nice string,
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45 or a dictionary with retrieved data (key is not present if data is not found),
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46 key can be:
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47 - node: full revision number (40 bits)
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48 - branch: branch name
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49 - date: ISO 8601 format date
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50 - tag: latest tag used in hierarchie
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51 """
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52 from distutils.spawn import find_executable
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53 import subprocess
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54 KEYS=("node", "branch", "date", "tag")
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55 repos_root = os.path.dirname(module.__file__)
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56 hg_path = find_executable('hg')
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57
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58 if hg_path is not None:
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59 os.chdir(repos_root)
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60 try:
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61 hg_data_raw = subprocess.check_output(["hg","parents","--template","{node}\n{branch}\n{date|isodate}\n{latesttag}"])
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62 except subprocess.CalledProcessError:
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63 hg_data = {}
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64 else:
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65 hg_data = dict(zip(KEYS, hg_data_raw.split('\n')))
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66 try:
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67 hg_data['modified'] = '+' in subprocess.check_output(["hg","id","-i"])
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68 except subprocess.CalledProcessError:
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69 pass
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70
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71 if not hg_data:
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72 log.debug(u"Mercurial not available or working, trying to get data from dirstate")
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73 os.chdir(os.path.relpath('..', repos_root))
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74 try:
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75 with open('.hg/dirstate') as hg_dirstate:
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76 hg_data['node'] = hg_dirstate.read(20).encode('hex')
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77 except IOError:
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78 log.warning(u"Can't access repository data")
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79
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80 if as_string:
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81 if not hg_data:
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82 return u'repository data unknown'
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83 strings = [u'rev', hg_data['node']]
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84 try:
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85 if hg_data['modified']:
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86 strings.append(u"[M]")
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87 except KeyError:
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88 pass
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89 try:
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90 strings.extend([u'({branch} {date})'.format(**hg_data)])
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91 except KeyError:
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92 pass
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93
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94 return u' '.join(strings)
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95 else:
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96 return hg_data