← Back to branch summary

~ubuntu-branches/ubuntu/maverick/python3.1/maverick

« back to all changes in this revision

Viewing changes to Lib/ctypes/macholib/dylib.py

  • Committer: Bazaar Package Importer
  • Author(s): Matthias Klose
  • Date: 2009-03-23 00:01:27 UTC
  • Revision ID: james.westby@ubuntu.com-20090323000127-5fstfxju4ufrhthq
Tags: upstream-3.1~a1+20090322
Import upstream version 3.1~a1+20090322

Show diffs side-by-side

added added

removed removed

Lines of Context:
Lib/ctypes/macholib/dylib.py
 
1
"""
 
2
Generic dylib path manipulation
 
3
"""
 
4
 
 
5
import re
 
6
 
 
7
__all__ = ['dylib_info']
 
8
 
 
9
DYLIB_RE = re.compile(r"""(?x)
 
10
(?P<location>^.*)(?:^|/)
 
11
(?P<name>
 
12
    (?P<shortname>\w+?)
 
13
    (?:\.(?P<version>[^._]+))?
 
14
    (?:_(?P<suffix>[^._]+))?
 
15
    \.dylib$
 
16
)
 
17
""")
 
18
 
 
19
def dylib_info(filename):
 
20
    """
 
21
    A dylib name can take one of the following four forms:
 
22
        Location/Name.SomeVersion_Suffix.dylib
 
23
        Location/Name.SomeVersion.dylib
 
24
        Location/Name_Suffix.dylib
 
25
        Location/Name.dylib
 
26
 
 
27
    returns None if not found or a mapping equivalent to:
 
28
        dict(
 
29
            location='Location',
 
30
            name='Name.SomeVersion_Suffix.dylib',
 
31
            shortname='Name',
 
32
            version='SomeVersion',
 
33
            suffix='Suffix',
 
34
        )
 
35
 
 
36
    Note that SomeVersion and Suffix are optional and may be None
 
37
    if not present.
 
38
    """
 
39
    is_dylib = DYLIB_RE.match(filename)
 
40
    if not is_dylib:
 
41
        return None
 
42
    return is_dylib.groupdict()
 
43
 
 
44
 
 
45
def test_dylib_info():
 
46
    def d(location=None, name=None, shortname=None, version=None, suffix=None):
 
47
        return dict(
 
48
            location=location,
 
49
            name=name,
 
50
            shortname=shortname,
 
51
            version=version,
 
52
            suffix=suffix
 
53
        )
 
54
    assert dylib_info('completely/invalid') is None
 
55
    assert dylib_info('completely/invalide_debug') is None
 
56
    assert dylib_info('P/Foo.dylib') == d('P', 'Foo.dylib', 'Foo')
 
57
    assert dylib_info('P/Foo_debug.dylib') == d('P', 'Foo_debug.dylib', 'Foo', suffix='debug')
 
58
    assert dylib_info('P/Foo.A.dylib') == d('P', 'Foo.A.dylib', 'Foo', 'A')
 
59
    assert dylib_info('P/Foo_debug.A.dylib') == d('P', 'Foo_debug.A.dylib', 'Foo_debug', 'A')
 
60
    assert dylib_info('P/Foo.A_debug.dylib') == d('P', 'Foo.A_debug.dylib', 'Foo', 'A', 'debug')
 
61
 
 
62
if __name__ == '__main__':
 
63
    test_dylib_info()