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annotate treepkg/readconfig.py @ 93:73c67372c7f7

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Make the prefix used in the debian revision number configurable. This involves a new config file setting documented in demo.cfg, the necessary changes to the packagers and updated and new test cases
author Bernhard Herzog <bh@intevation.de>
date Wed, 07 Nov 2007 10:13:24 +0000
parents 3ed079a7174a
children 02c261e4443f
rev   line source
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1 # Copyright (C) 2007 by Intevation GmbH
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2 # Authors:
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3 # Bernhard Herzog <bh@intevation.de>
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4 #
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5 # This program is free software under the GPL (>=v2)
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6 # Read the file COPYING coming with the software for details.
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7
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8 """Reads the configuration file"""
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9
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10 import sys
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11 import shlex
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12 from ConfigParser import SafeConfigParser, NoOptionError
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13
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14 import util
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15
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16 defaults = dict(root_cmd="sudo")
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18 packager_desc = [
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19 "name", "base_dir", "svn_url", "packager_class",
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20 ("root_cmd", shlex.split), "pbuilderrc",
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21 "deb_email", "deb_fullname", "debrevision_prefix",
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22 ]
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24 treepkg_desc = [
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25 ("check_interval", int),
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26 "instructions_file",
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27 ]
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29
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30 def read_config_section(parser, section, item_desc, defaults=None):
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31 if defaults is None:
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32 defaults = dict()
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33 options = dict()
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34 for item in item_desc:
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35 if isinstance(item, tuple):
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36 key, converter = item
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37 else:
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38 key = item
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39 converter = str
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40 try:
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41 value = parser.get(section, key, vars=defaults)
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42 options[key] = converter(value)
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43 except NoOptionError:
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44 print >>sys.stderr, "Missing option %r in section %r" \
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45 % (key, section)
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46 sys.exit(1)
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47 return options
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49
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50 def read_config(filename):
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51 """Reads the tree packager configuration from the file given by filename.
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52
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53 The function returns a tuple with a ('treepkg') and a list of dicts
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54 ('packagers'). The treepkg dict contains the main configuration of
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55 the tree packager. The packagers list contains one dict with the
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56 configuratiin for each packager.
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57 """
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58 parser = SafeConfigParser(defaults)
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59 parser.read([filename])
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61 # extract packager configurations
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62 packagers = []
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63 for section in parser.sections():
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64 if section.startswith("pkg_"):
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65 packager_class = parser.get(section, "packager_class")
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66 module = util.import_dotted_name(packager_class)
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67 desc = packager_desc + module.PackageTrack.extra_config_desc
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68 packagers.append(read_config_section(parser, section, desc,
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69 dict(name=section[4:])))
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71 # main config
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72 treepkg = read_config_section(parser, "treepkg", treepkg_desc)
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74 return treepkg, packagers
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76
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77 if __name__ == "__main__":
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78 import pprint
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79 print pprint.pprint(read_config(sys.argv[1]))
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