| import django |
| import os.path |
| 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 |
| |
| if os.path.exists(entries_path): |
| entries = open(entries_path, 'r').read() |
| # 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' |
