Mercurial > pylearn
comparison __init__.py @ 301:57c45df381f1
added source-version function, close ticket #44
| author | James Bergstra <bergstrj@iro.umontreal.ca> |
|---|---|
| date | Tue, 10 Jun 2008 11:01:00 -0400 |
| parents | 2be51c13b55f |
| children | 675d92789941 |
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| 300:7c5e5356cb11 | 301:57c45df381f1 |
|---|---|
| 1 import filetensor | 1 import filetensor |
| 2 import nnet_ops | 2 import nnet_ops |
| 3 | 3 |
| 4 from lookup_list import LookupList | 4 from lookup_list import LookupList |
| 5 | 5 |
| 6 | |
| 7 | |
| 8 import subprocess as _subprocess | |
| 9 import imp as _imp | |
| 10 def __src_version__(): | |
| 11 """Return compact identifier of module code. | |
| 12 | |
| 13 @return: compact identifier of module code. | |
| 14 @rtype: string | |
| 15 | |
| 16 @note: This function tries to establish that the source files and the repo | |
| 17 are syncronized. It raises an Exception if there are un-tracked '.py' | |
| 18 files, or if there are un-committed modifications. This implementation uses | |
| 19 "hg id" to establish this. The code returned by "hg id" is not affected by | |
| 20 hg pull, but pulling might remove the " tip" string which might have | |
| 21 appeared. This implementation ignores the " tip" information, and only | |
| 22 uses the code. | |
| 23 | |
| 24 @note: This implementation is assumes that the import directory is under | |
| 25 version control by mercurial. | |
| 26 | |
| 27 """ | |
| 28 #print 'name:', __name__ | |
| 29 location = _imp.find_module(__name__)[1] | |
| 30 #print 'location:', location | |
| 31 | |
| 32 status = _subprocess.Popen(('hg','st'),cwd=location,stdout=_subprocess.PIPE).communicate()[0] | |
| 33 #status_codes = [line[0] for line in if line and line[0] != '?'] | |
| 34 for line in status.split('\n'): | |
| 35 if not line: continue | |
| 36 if line[0] != '?': | |
| 37 raise Exception('Uncommitted modification to "%s" in %s (%s)' | |
| 38 %(line[2:], __name__,location)) | |
| 39 if line[0] == '?' and line[-3:] == '.py': | |
| 40 raise Exception('Untracked file "%s" in %s (%s)' | |
| 41 %(line[2:], __name__, location)) | |
| 42 | |
| 43 hg_id = _subprocess.Popen(('hg','id'),cwd=location,stdout=_subprocess.PIPE).communicate()[0] | |
| 44 | |
| 45 #This asserts my understanding of hg id return values | |
| 46 # There is mention in the doc that it might return two parent hash codes | |
| 47 # but I've never seen it, and I dont' know what it means or how it is | |
| 48 # formatted. | |
| 49 tokens = hg_id.split(' ') | |
| 50 assert len(tokens) <= 2 | |
| 51 assert len(tokens) >= 1 | |
| 52 assert tokens[0][-1] != '+' # the trailing + indicates uncommitted changes | |
| 53 if len(tokens) == 2: | |
| 54 assert tokens[1] == 'tip' | |
| 55 | |
| 56 return tokens[0] | |
| 57 |