1-
21# This file helps to compute a version number in source trees obtained from
32# git-archive tarball (such as those provided by githubs download-from-tag
43# feature). Distribution tarballs (built by setup.py sdist) and build
@@ -58,28 +57,28 @@ class NotThisMethod(Exception):
5857
5958def register_vcs_handler (vcs , method ): # decorator
6059 """Decorator to mark a method as the handler for a particular VCS."""
60+
6161 def decorate (f ):
6262 """Store f in HANDLERS[vcs][method]."""
6363 if vcs not in HANDLERS :
6464 HANDLERS [vcs ] = {}
6565 HANDLERS [vcs ][method ] = f
6666 return f
67+
6768 return decorate
6869
6970
70- def run_command (commands , args , cwd = None , verbose = False , hide_stderr = False ,
71- env = None ):
71+ def run_command (commands , args , cwd = None , verbose = False , hide_stderr = False , env = None ):
7272 """Call the given command(s)."""
7373 assert isinstance (commands , list )
7474 p = None
7575 for c in commands :
7676 try :
7777 dispcmd = str ([c ] + args )
7878 # remember shell=False, so use git.cmd on windows, not just git
79- p = subprocess .Popen ([c ] + args , cwd = cwd , env = env ,
80- stdout = subprocess .PIPE ,
81- stderr = (subprocess .PIPE if hide_stderr
82- else None ))
79+ p = subprocess .Popen (
80+ [c ] + args , cwd = cwd , env = env , stdout = subprocess .PIPE , stderr = (subprocess .PIPE if hide_stderr else None )
81+ )
8382 break
8483 except EnvironmentError :
8584 e = sys .exc_info ()[1 ]
@@ -116,16 +115,19 @@ def versions_from_parentdir(parentdir_prefix, root, verbose):
116115 for i in range (3 ):
117116 dirname = os .path .basename (root )
118117 if dirname .startswith (parentdir_prefix ):
119- return {"version" : dirname [len (parentdir_prefix ):],
120- "full-revisionid" : None ,
121- "dirty" : False , "error" : None , "date" : None }
118+ return {
119+ "version" : dirname [len (parentdir_prefix ) :],
120+ "full-revisionid" : None ,
121+ "dirty" : False ,
122+ "error" : None ,
123+ "date" : None ,
124+ }
122125 else :
123126 rootdirs .append (root )
124127 root = os .path .dirname (root ) # up a level
125128
126129 if verbose :
127- print ("Tried directories %s but none started with prefix %s" %
128- (str (rootdirs ), parentdir_prefix ))
130+ print ("Tried directories %s but none started with prefix %s" % (str (rootdirs ), parentdir_prefix ))
129131 raise NotThisMethod ("rootdir doesn't start with parentdir_prefix" )
130132
131133
@@ -181,7 +183,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
181183 # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
182184 # just "foo-1.0". If we see a "tag: " prefix, prefer those.
183185 TAG = "tag: "
184- tags = set ([r [len (TAG ):] for r in refs if r .startswith (TAG )])
186+ tags = set ([r [len (TAG ) :] for r in refs if r .startswith (TAG )])
185187 if not tags :
186188 # Either we're using git < 1.8.3, or there really are no tags. We use
187189 # a heuristic: assume all version tags have a digit. The old git %d
@@ -190,27 +192,34 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
190192 # between branches and tags. By ignoring refnames without digits, we
191193 # filter out many common branch names like "release" and
192194 # "stabilization", as well as "HEAD" and "master".
193- tags = set ([r for r in refs if re .search (r'\d' , r )])
195+ tags = set ([r for r in refs if re .search (r"\d" , r )])
194196 if verbose :
195197 print ("discarding '%s', no digits" % "," .join (refs - tags ))
196198 if verbose :
197199 print ("likely tags: %s" % "," .join (sorted (tags )))
198200 for ref in sorted (tags ):
199201 # sorting will prefer e.g. "2.0" over "2.0rc1"
200202 if ref .startswith (tag_prefix ):
201- r = ref [len (tag_prefix ):]
203+ r = ref [len (tag_prefix ) :]
202204 if verbose :
203205 print ("picking %s" % r )
204- return {"version" : r ,
205- "full-revisionid" : keywords ["full" ].strip (),
206- "dirty" : False , "error" : None ,
207- "date" : date }
206+ return {
207+ "version" : r ,
208+ "full-revisionid" : keywords ["full" ].strip (),
209+ "dirty" : False ,
210+ "error" : None ,
211+ "date" : date ,
212+ }
208213 # no suitable tags, so version is "0+unknown", but full hex is still there
209214 if verbose :
210215 print ("no suitable tags, using unknown + full revision id" )
211- return {"version" : "0+unknown" ,
212- "full-revisionid" : keywords ["full" ].strip (),
213- "dirty" : False , "error" : "no suitable tags" , "date" : None }
216+ return {
217+ "version" : "0+unknown" ,
218+ "full-revisionid" : keywords ["full" ].strip (),
219+ "dirty" : False ,
220+ "error" : "no suitable tags" ,
221+ "date" : None ,
222+ }
214223
215224
216225@register_vcs_handler ("git" , "pieces_from_vcs" )
@@ -225,19 +234,17 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
225234 if sys .platform == "win32" :
226235 GITS = ["git.cmd" , "git.exe" ]
227236
228- out , rc = run_command (GITS , ["rev-parse" , "--git-dir" ], cwd = root ,
229- hide_stderr = True )
237+ out , rc = run_command (GITS , ["rev-parse" , "--git-dir" ], cwd = root , hide_stderr = True )
230238 if rc != 0 :
231239 if verbose :
232240 print ("Directory %s not under git control" % root )
233241 raise NotThisMethod ("'git rev-parse --git-dir' returned error" )
234242
235243 # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
236244 # if there isn't one, this yields HEX[-dirty] (no NUM)
237- describe_out , rc = run_command (GITS , ["describe" , "--tags" , "--dirty" ,
238- "--always" , "--long" ,
239- "--match" , "%s*" % tag_prefix ],
240- cwd = root )
245+ describe_out , rc = run_command (
246+ GITS , ["describe" , "--tags" , "--dirty" , "--always" , "--long" , "--match" , "%s*" % tag_prefix ], cwd = root
247+ )
241248 # --long was added in git-1.5.5
242249 if describe_out is None :
243250 raise NotThisMethod ("'git describe' failed" )
@@ -260,17 +267,16 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
260267 dirty = git_describe .endswith ("-dirty" )
261268 pieces ["dirty" ] = dirty
262269 if dirty :
263- git_describe = git_describe [:git_describe .rindex ("-dirty" )]
270+ git_describe = git_describe [: git_describe .rindex ("-dirty" )]
264271
265272 # now we have TAG-NUM-gHEX or HEX
266273
267274 if "-" in git_describe :
268275 # TAG-NUM-gHEX
269- mo = re .search (r' ^(.+)-(\d+)-g([0-9a-f]+)$' , git_describe )
276+ mo = re .search (r" ^(.+)-(\d+)-g([0-9a-f]+)$" , git_describe )
270277 if not mo :
271278 # unparseable. Maybe git-describe is misbehaving?
272- pieces ["error" ] = ("unable to parse git-describe output: '%s'"
273- % describe_out )
279+ pieces ["error" ] = "unable to parse git-describe output: '%s'" % describe_out
274280 return pieces
275281
276282 # tag
@@ -279,10 +285,9 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
279285 if verbose :
280286 fmt = "tag '%s' doesn't start with prefix '%s'"
281287 print (fmt % (full_tag , tag_prefix ))
282- pieces ["error" ] = ("tag '%s' doesn't start with prefix '%s'"
283- % (full_tag , tag_prefix ))
288+ pieces ["error" ] = "tag '%s' doesn't start with prefix '%s'" % (full_tag , tag_prefix )
284289 return pieces
285- pieces ["closest-tag" ] = full_tag [len (tag_prefix ):]
290+ pieces ["closest-tag" ] = full_tag [len (tag_prefix ) :]
286291
287292 # distance: number of commits since tag
288293 pieces ["distance" ] = int (mo .group (2 ))
@@ -293,13 +298,11 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
293298 else :
294299 # HEX: no tags
295300 pieces ["closest-tag" ] = None
296- count_out , rc = run_command (GITS , ["rev-list" , "HEAD" , "--count" ],
297- cwd = root )
301+ count_out , rc = run_command (GITS , ["rev-list" , "HEAD" , "--count" ], cwd = root )
298302 pieces ["distance" ] = int (count_out ) # total number of commits
299303
300304 # commit date: see ISO-8601 comment in git_versions_from_keywords()
301- date = run_command (GITS , ["show" , "-s" , "--format=%ci" , "HEAD" ],
302- cwd = root )[0 ].strip ()
305+ date = run_command (GITS , ["show" , "-s" , "--format=%ci" , "HEAD" ], cwd = root )[0 ].strip ()
303306 pieces ["date" ] = date .strip ().replace (" " , "T" , 1 ).replace (" " , "" , 1 )
304307
305308 return pieces
@@ -330,8 +333,7 @@ def render_pep440(pieces):
330333 rendered += ".dirty"
331334 else :
332335 # exception #1
333- rendered = "0+untagged.%d.g%s" % (pieces ["distance" ],
334- pieces ["short" ])
336+ rendered = "0+untagged.%d.g%s" % (pieces ["distance" ], pieces ["short" ])
335337 if pieces ["dirty" ]:
336338 rendered += ".dirty"
337339 return rendered
@@ -445,11 +447,13 @@ def render_git_describe_long(pieces):
445447def render (pieces , style ):
446448 """Render the given version pieces into the requested style."""
447449 if pieces ["error" ]:
448- return {"version" : "unknown" ,
449- "full-revisionid" : pieces .get ("long" ),
450- "dirty" : None ,
451- "error" : pieces ["error" ],
452- "date" : None }
450+ return {
451+ "version" : "unknown" ,
452+ "full-revisionid" : pieces .get ("long" ),
453+ "dirty" : None ,
454+ "error" : pieces ["error" ],
455+ "date" : None ,
456+ }
453457
454458 if not style or style == "default" :
455459 style = "pep440" # the default
@@ -469,9 +473,13 @@ def render(pieces, style):
469473 else :
470474 raise ValueError ("unknown style '%s'" % style )
471475
472- return {"version" : rendered , "full-revisionid" : pieces ["long" ],
473- "dirty" : pieces ["dirty" ], "error" : None ,
474- "date" : pieces .get ("date" )}
476+ return {
477+ "version" : rendered ,
478+ "full-revisionid" : pieces ["long" ],
479+ "dirty" : pieces ["dirty" ],
480+ "error" : None ,
481+ "date" : pieces .get ("date" ),
482+ }
475483
476484
477485def get_versions ():
@@ -485,8 +493,7 @@ def get_versions():
485493 verbose = cfg .verbose
486494
487495 try :
488- return git_versions_from_keywords (get_keywords (), cfg .tag_prefix ,
489- verbose )
496+ return git_versions_from_keywords (get_keywords (), cfg .tag_prefix , verbose )
490497 except NotThisMethod :
491498 pass
492499
@@ -495,13 +502,16 @@ def get_versions():
495502 # versionfile_source is the relative path from the top of the source
496503 # tree (where the .git directory might live) to this file. Invert
497504 # this to find the root from __file__.
498- for i in cfg .versionfile_source .split ('/' ):
505+ for i in cfg .versionfile_source .split ("/" ):
499506 root = os .path .dirname (root )
500507 except NameError :
501- return {"version" : "0+unknown" , "full-revisionid" : None ,
502- "dirty" : None ,
503- "error" : "unable to find root of source tree" ,
504- "date" : None }
508+ return {
509+ "version" : "0+unknown" ,
510+ "full-revisionid" : None ,
511+ "dirty" : None ,
512+ "error" : "unable to find root of source tree" ,
513+ "date" : None ,
514+ }
505515
506516 try :
507517 pieces = git_pieces_from_vcs (cfg .tag_prefix , root , verbose )
@@ -515,6 +525,10 @@ def get_versions():
515525 except NotThisMethod :
516526 pass
517527
518- return {"version" : "0+unknown" , "full-revisionid" : None ,
519- "dirty" : None ,
520- "error" : "unable to compute version" , "date" : None }
528+ return {
529+ "version" : "0+unknown" ,
530+ "full-revisionid" : None ,
531+ "dirty" : None ,
532+ "error" : "unable to compute version" ,
533+ "date" : None ,
534+ }
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