Mercurial > treepkg > treepkg

annotate treepkg/readconfig.py @ 293:faeeac2c4c71

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Replace debrevision_prefix with pkg_revision_template. Their meaning is similar, but the template is not just a prefix, it's a template for Python's %-based string formatting. This allows more complex configuration to be done with command line settings so that it's easy to do a one-off build with a package revision like "kk5.2".
author Bernhard Herzog <bh@intevation.de>
date Tue, 06 Oct 2009 13:13:04 +0000
parents bb98e728f25b
children 4dd6ec3a1151
rev   line source
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eaa696629a91 Add a way to specify the svn URL of the repository with the debian rules
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1 # Copyright (C) 2007, 2008, 2009 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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14 import util
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15 import packager
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16
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17 def convert_bool(s):
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18 s = s.lower()
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19 if s in ("true", "yes", "1"):
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20 return True
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21 if s in ("false", "no", "0"):
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22 return False
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23 raise ValueError("cannot determine boolean value of %r" % (s,))
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26 packager_desc = [
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27 "name", "base_dir", "svn_url", ("rules_svn_url", str, ""), "packager_class",
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28 ("root_cmd", shlex.split, "sudo"), "pbuilderrc",
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29 "deb_email", "deb_fullname", "pkg_revision_template",
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30 ("handle_dependencies", convert_bool),
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31 ("signing_key_id", str, ""),
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32 ]
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34 treepkg_desc = [
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35 ("check_interval", int),
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36 "instructions_file",
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37 ]
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40 def read_config_section(parser, section, item_desc, defaults=None):
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41 if defaults is None:
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42 defaults = dict()
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43 options = dict()
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44 for item in item_desc:
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45 has_default_value = False
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46 if isinstance(item, tuple):
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47 key, converter = item[:2]
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48 if len(item) == 3:
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49 default_value = item[-1]
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50 has_default_value = True
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51 else:
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52 key = item
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53 converter = str
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54 try:
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55 value = parser.get(section, key, vars=defaults)
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56 except NoOptionError:
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57 if has_default_value:
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58 value = default_value
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59 else:
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60 print >>sys.stderr, "Missing option %r in section %r" \
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61 % (key, section)
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62 sys.exit(1)
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63 options[key] = converter(value)
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64 return options
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67 def read_config(filename):
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68 """Reads the tree packager configuration from the file given by filename.
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70 The function returns a tuple with a dict ('treepkg') and a list of
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71 dicts ('packagers'). The treepkg dict contains the main
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72 configuration of the tree packager. The packagers list contains one
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73 dict with the configuratiin for each packager.
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74 """
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75 parser = SafeConfigParser()
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76 parser.read([filename])
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78 # extract packager configurations
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79 packagers = []
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80 for section in parser.sections():
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81 if section.startswith("pkg_"):
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82 vars = dict(name=section[4:])
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83 packager_class = parser.get(section, "packager_class", vars=vars)
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84 module = packager.import_packager_module(packager_class)
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85 desc = packager_desc + module.PackageTrack.extra_config_desc
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86 packagers.append(read_config_section(parser, section, desc,
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87 defaults=vars))
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89 # main config
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90 treepkg = read_config_section(parser, "treepkg", treepkg_desc)
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92 return treepkg, packagers
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95 if __name__ == "__main__":
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96 import pprint
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97 print pprint.pprint(read_config(sys.argv[1]))
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