--- a/__init__.py	Tue Jun 10 18:33:15 2008 -0400
+++ b/__init__.py	Tue Jun 10 20:02:25 2008 -0400
@@ -1,70 +1,10 @@
 import filetensor
 import nnet_ops
+import version
 
 from lookup_list import LookupList
 
-
-
-import subprocess as _subprocess
-import imp as _imp
 def __src_version__():
-    """Return compact identifier of module code.
-
-    @return: compact identifier of module code.
-    @rtype: string
-
-    @note: This function tries to establish that the source files and the repo
-    are syncronized.  It raises an Exception if there are un-tracked '.py'
-    files, or if there are un-committed modifications.  This implementation uses
-    "hg id" to establish this.  The code returned by "hg id" is not affected by
-    hg pull, but pulling might remove the " tip" string which might have
-    appeared.  This implementation ignores the  " tip" information, and only
-    uses the code.
-
-    @note: This implementation is assumes that the import directory is under
-    version control by mercurial.
-
-    """
-    #
-    # NOTE
-    #
-    # If you find bugs in this function, please update the __src_version__
-    # function in theano, pylearn, and email either theano-dev or pylearn-dev so
-    # that people can update their experiment dirs (the output of this function
-    # is meant to be hard-coded in external files).
-    #
+    #todo - this is vulnerable to the bug in theano ticket #160
+    return version.src_version(__name__)
 
-    if not hasattr(__src_version__, 'rval'):
-        #print 'name:', __name__
-        location = _imp.find_module(__name__)[1]
-        #print 'location:', location
-
-        status = _subprocess.Popen(('hg','st'),cwd=location,stdout=_subprocess.PIPE).communicate()[0]
-        #status_codes = [line[0] for line in  if line and line[0] != '?']
-        for line in status.split('\n'):
-            if not line: continue
-            if line[0] != '?':
-                raise Exception('Uncommitted modification to "%s" in %s (%s)'
-                        %(line[2:], __name__,location))
-            if line[0] == '?' and line[-3:] == '.py':
-                raise Exception('Untracked file "%s" in %s (%s)'
-                        %(line[2:], __name__, location))
-
-        hg_id = _subprocess.Popen(('hg','id'),cwd=location,stdout=_subprocess.PIPE).communicate()[0]
-
-        #This asserts my understanding of hg id return values
-        # There is mention in the doc that it might return two parent hash codes
-        # but I've never seen it, and I dont' know what it means or how it is
-        # formatted.
-        tokens = hg_id.split(' ')
-        assert len(tokens) <= 2
-        assert len(tokens) >= 1
-        assert tokens[0][-1] != '+' # the trailing + indicates uncommitted changes
-        if len(tokens) == 2:
-            assert tokens[1] == 'tip\n'
-
-        __src_version__.rval = tokens[0]
-
-    return __src_version__.rval
-
-