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annotate treepkg/readconfig.py @ 2:e6a9f4037f68

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readconfig.py is smarter now about conversions and supports shlex
author Bernhard Herzog <bh@intevation.de>
date Thu, 08 Mar 2007 19:55:44 +0100
parents f78a02e79c84
children fee641fec94e
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 defaults = dict(root_cmd="sudo")
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15
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16 packager_desc = [
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17 "name", "base_dir", "svn_url",
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18 ("root_cmd", shlex.split),
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19 "deb_email", "deb_fullname",
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20 ]
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21
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22 treepkg_desc = [
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23 ("check_interval", int),
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24 ]
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26
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27 def read_config_section(parser, section, item_desc, defaults=None):
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28 if defaults is None:
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29 defaults = dict()
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30 options = dict()
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31 for item in item_desc:
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32 if isinstance(item, tuple):
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33 key, converter = item
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34 else:
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35 key = item
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36 converter = str
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37 try:
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38 value = parser.get(section, key, vars=defaults)
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39 options[key] = converter(value)
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40 except NoOptionError:
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41 print >>sys.stderr, "%s: Missing option %r in section %r" \
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42 % (filename, key, section)
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43 sys.exit(1)
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44 return options
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45
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46
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47 def read_config(filename):
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48 """Reads the tree packager configuration from the file given by filename.
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49
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50 The function returns a tuple with a ('treepkg') and a list of dicts
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51 ('packagers'). The treepkg dict contains the main configuration of
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52 the tree packager. The packagers list contains one dict with the
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53 configuratiin for each packager.
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54 """
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55 parser = SafeConfigParser(defaults)
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56 parser.read([filename])
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57
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58 # extract packager configurations
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59 packagers = []
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60 for section in parser.sections():
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61 if section.startswith("pkg_"):
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62 packagers.append(read_config_section(parser, section, packager_desc,
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63 dict(name=section[4:])))
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64
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65 # main config
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66 treepkg = read_config_section(parser, "treepkg", treepkg_desc)
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67
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68 return treepkg, packagers
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70
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71 if __name__ == "__main__":
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72 import pprint
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73 print pprint.pprint(read_config(sys.argv[1]))
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