pylearn: version.py annotate

annotate version.py @ 317:14081904d8f3

doc updated regarding __getitem__ returning LookupList and .subset returning a DataSet

author	Thierry Bertin-Mahieux <bertinmt@iro.umontreal.ca>
date	Wed, 11 Jun 2008 16:40:47 -0400
parents	9ebc960260c5
children	44f94ffe28f7

rev	line source
308 9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	1 import subprocess as _subprocess
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	2 import imp as _imp
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	3
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	4 _cache = {}
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	5
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	6 def src_version(module_name):
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	7 """Return compact identifier of module code.
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	8
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	9 @return: compact identifier of module code.
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	10 @rtype: string
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	11
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	12 @note: This function tries to establish that the source files and the repo
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	13 are syncronized. It raises an Exception if there are un-tracked '.py'
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	14 files, or if there are un-committed modifications. This implementation uses
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	15 "hg id" to establish this. The code returned by "hg id" is not affected by
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	16 hg pull, but pulling might remove the " tip" string which might have
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	17 appeared. This implementation ignores the " tip" information, and only
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	18 uses the code.
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	19
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	20 @note: This implementation is assumes that the import directory is under
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	21 version control by mercurial.
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	22
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	23 """
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	24 #
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	25 # NOTE
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	26 #
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	27 # If you find bugs in this function, please update the __src_version__
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	28 # function in theano, pylearn, and email either theano-dev or pylearn-dev so
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	29 # that people can update their experiment dirs (the output of this function
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	30 # is meant to be hard-coded in external files).
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	31 #
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	32
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	33 if module_name not in _cache:
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	34
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	35 location = _imp.find_module(module_name)[1]
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	36 #print 'location:', location
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	37
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	38 status = _subprocess.Popen(('hg','st'),cwd=location,stdout=_subprocess.PIPE).communicate()[0]
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	39 #TODO: check that the process return code is 0 (ticket #45)
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	40
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	41 #status_codes = [line[0] for line in if line and line[0] != '?']
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	42 for line in status.split('\n'):
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	43 if not line: continue
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	44 if line[0] != '?':
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	45 raise Exception('Uncommitted modification to "%s" in %s (%s)'
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	46 %(line[2:], __name__,location))
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	47 if line[0] == '?' and line[-3:] == '.py':
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	48 raise Exception('Untracked file "%s" in %s (%s)'
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	49 %(line[2:], __name__, location))
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	50
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	51 hg_id = _subprocess.Popen(('hg','id'),cwd=location,stdout=_subprocess.PIPE).communicate()[0]
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	52
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	53 #This asserts my understanding of hg id return values
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	54 # There is mention in the doc that it might return two parent hash codes
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	55 # but I've never seen it, and I dont' know what it means or how it is
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	56 # formatted.
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	57 tokens = hg_id.split(' ')
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	58 assert len(tokens) <= 2
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	59 assert len(tokens) >= 1
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	60 assert tokens[0][-1] != '+' # the trailing + indicates uncommitted changes
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	61 if len(tokens) == 2:
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	62 assert tokens[1] == 'tip\n'
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	63
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	64 _cache[module_name] = tokens[0]
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	65
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	66 return _cache[module_name]
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	67
9ebc960260c5 init of version.py James Bergstra <bergstrj@iro.umontreal.ca> parents: diff changeset	68

Mercurial > pylearn

annotate version.py @ 317:14081904d8f3