43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import django
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import os.path
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import re
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def get_svn_revision(path=None):
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"""
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Returns the SVN revision in the form SVN-XXXX,
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where XXXX is the revision number.
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Returns SVN-unknown if anything goes wrong, such as an unexpected
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format of internal SVN files.
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If path is provided, it should be a directory whose SVN info you want to
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inspect. If it's not provided, this will use the root django/ package
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directory.
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"""
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rev = None
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if path is None:
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path = django.__path__[0]
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entries_path = '%s/.svn/entries' % path
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try:
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entries = open(entries_path, 'r').read()
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except IOError:
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pass
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else:
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# Versions >= 7 of the entries file are flat text. The first line is
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# the version number. The next set of digits after 'dir' is the revision.
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if re.match('(\d+)', entries):
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rev_match = re.search('\d+\s+dir\s+(\d+)', entries)
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if rev_match:
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rev = rev_match.groups()[0]
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# Older XML versions of the file specify revision as an attribute of
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# the first entries node.
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else:
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from xml.dom import minidom
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dom = minidom.parse(entries_path)
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rev = dom.getElementsByTagName('entry')[0].getAttribute('revision')
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if rev:
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return u'SVN-%s' % rev
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return u'SVN-unknown'
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