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