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annotate treepkg/debian.py @ 561:1f7746e2288e

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Fix typo
author Bjoern Ricks <bricks@intevation.de>
date Fri, 02 Sep 2011 09:43:21 +0000
parents 27eccce96949
children
rev   line source
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e83e96ef12b1 Add treepkg/debian.py and test/test_debian.py with code and tests to
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1 # Copyright (C) 2007, 2008 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 """Support code for debian packages"""
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9
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10 import os
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11
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12 from treepkg.util import extract_value_for_key
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13 import treepkg.run
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16 class DebianControlFile(object):
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17
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18 """Parses a debian/control file and makes some of it available.
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19
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20 Instances have the following instance variables:
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21
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22 packages -- A list of the names of all packages defined in the
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23 control file
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24
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25 build_depends -- A list with the names of all package listed as
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26 Build-Depends.
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27 """
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28
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29 def __init__(self, filename):
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30 """Initialize the instance from a file given by filename"""
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31 self.packages = []
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32 self.build_depends = []
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33 self.parse(filename)
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34
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35 def parse(self, filename):
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36 paragraph = []
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37 paragraphs = [paragraph]
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38 for lineno, line in enumerate(open(filename)):
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39 stripped = line.strip()
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40 if stripped.startswith("#"):
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41 continue
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42 if not stripped:
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43 if paragraph:
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44 paragraph = []
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45 paragraphs.append(paragraph)
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46 else:
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47 if line[:1] in " \t":
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48 # handle continuation line
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49 if paragraph:
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50 paragraph[-1] += " " + stripped
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51 else:
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52 raise RuntimeError("%s:%d: Continuation line without"
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53 " preceding line"
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54 % (filename, lineno))
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55 else:
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56 paragraph.append(stripped)
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57 if not paragraphs[-1]:
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58 del paragraphs[-1]
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60 self.handle_source_paragraph(paragraphs[0])
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61 for paragraph in paragraphs[1:]:
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62 self.handle_package_paragraph(paragraph)
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63
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64 def handle_source_paragraph(self, paragraph):
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65 raw_deps = extract_value_for_key(paragraph, "Build-Depends:")
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66 for dep in raw_deps.split(","):
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67 # sanity check
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68 if dep.strip() != "":
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69 self.build_depends.append(dep.split()[0])
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71 def handle_package_paragraph(self, paragraph):
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72 package_name = extract_value_for_key(paragraph, "Package:")
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73 arch = extract_value_for_key(paragraph, "Architecture:")
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74 self.packages.append((package_name, arch))
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75
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78 def sign_file(filename, keyid):
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79 """Signs a debian .dsc or .control file"""
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80 contents = open(filename).read()
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81
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82 # make sure contents ends with an empty line. The signed files have
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83 # to have an empty line before the OpenPGP signature block
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84 if not contents.endswith("\n"):
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85 contents += "\n"
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86 contents += "\n"
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87
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88 asc_file = filename + ".asc"
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89 treepkg.run.call(["gpg", "--clearsign", "--armor", "--textmode",
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90 "--local-user", keyid, "-o", asc_file, "-"],
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91 inputdata=contents, suppress_output=True)
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92 os.rename(asc_file, filename)
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