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 +57,32 @@ class NotThisMethod(Exception):
5857
5958def register_vcs_handler (vcs , method ): # decorator
6059 """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 ,
81+ cwd = cwd ,
82+ env = env ,
83+ stdout = subprocess .PIPE ,
84+ stderr = (subprocess .PIPE if hide_stderr else None ),
85+ )
8386 break
8487 except EnvironmentError :
8588 e = sys .exc_info ()[1 ]
@@ -116,16 +119,22 @@ def versions_from_parentdir(parentdir_prefix, root, verbose):
116119 for i in range (3 ):
117120 dirname = os .path .basename (root )
118121 if dirname .startswith (parentdir_prefix ):
119- return {"version" : dirname [len (parentdir_prefix ):],
120- "full-revisionid" : None ,
121- "dirty" : False , "error" : None , "date" : None }
122+ return {
123+ "version" : dirname [len (parentdir_prefix ) :],
124+ "full-revisionid" : None ,
125+ "dirty" : False ,
126+ "error" : None ,
127+ "date" : None ,
128+ }
122129 else :
123130 rootdirs .append (root )
124131 root = os .path .dirname (root ) # up a level
125132
126133 if verbose :
127- print ("Tried directories %s but none started with prefix %s" %
128- (str (rootdirs ), parentdir_prefix ))
134+ print (
135+ "Tried directories %s but none started with prefix %s"
136+ % (str (rootdirs ), parentdir_prefix )
137+ )
129138 raise NotThisMethod ("rootdir doesn't start with parentdir_prefix" )
130139
131140
@@ -181,7 +190,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
181190 # starting in git-1.8.3, tags are listed as "tag: foo-1.0" instead of
182191 # just "foo-1.0". If we see a "tag: " prefix, prefer those.
183192 TAG = "tag: "
184- tags = set ([r [len (TAG ):] for r in refs if r .startswith (TAG )])
193+ tags = set ([r [len (TAG ) :] for r in refs if r .startswith (TAG )])
185194 if not tags :
186195 # Either we're using git < 1.8.3, or there really are no tags. We use
187196 # a heuristic: assume all version tags have a digit. The old git %d
@@ -190,27 +199,34 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
190199 # between branches and tags. By ignoring refnames without digits, we
191200 # filter out many common branch names like "release" and
192201 # "stabilization", as well as "HEAD" and "master".
193- tags = set ([r for r in refs if re .search (r'\d' , r )])
202+ tags = set ([r for r in refs if re .search (r"\d" , r )])
194203 if verbose :
195204 print ("discarding '%s', no digits" % "," .join (refs - tags ))
196205 if verbose :
197206 print ("likely tags: %s" % "," .join (sorted (tags )))
198207 for ref in sorted (tags ):
199208 # sorting will prefer e.g. "2.0" over "2.0rc1"
200209 if ref .startswith (tag_prefix ):
201- r = ref [len (tag_prefix ):]
210+ r = ref [len (tag_prefix ) :]
202211 if verbose :
203212 print ("picking %s" % r )
204- return {"version" : r ,
205- "full-revisionid" : keywords ["full" ].strip (),
206- "dirty" : False , "error" : None ,
207- "date" : date }
213+ return {
214+ "version" : r ,
215+ "full-revisionid" : keywords ["full" ].strip (),
216+ "dirty" : False ,
217+ "error" : None ,
218+ "date" : date ,
219+ }
208220 # no suitable tags, so version is "0+unknown", but full hex is still there
209221 if verbose :
210222 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 }
223+ return {
224+ "version" : "0+unknown" ,
225+ "full-revisionid" : keywords ["full" ].strip (),
226+ "dirty" : False ,
227+ "error" : "no suitable tags" ,
228+ "date" : None ,
229+ }
214230
215231
216232@register_vcs_handler ("git" , "pieces_from_vcs" )
@@ -225,19 +241,19 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
225241 if sys .platform == "win32" :
226242 GITS = ["git.cmd" , "git.exe" ]
227243
228- out , rc = run_command (GITS , ["rev-parse" , "--git-dir" ], cwd = root ,
229- hide_stderr = True )
244+ out , rc = run_command (GITS , ["rev-parse" , "--git-dir" ], cwd = root , hide_stderr = True )
230245 if rc != 0 :
231246 if verbose :
232247 print ("Directory %s not under git control" % root )
233248 raise NotThisMethod ("'git rev-parse --git-dir' returned error" )
234249
235250 # if there is a tag matching tag_prefix, this yields TAG-NUM-gHEX[-dirty]
236251 # 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 )
252+ describe_out , rc = run_command (
253+ GITS ,
254+ ["describe" , "--tags" , "--dirty" , "--always" , "--long" , "--match" , "%s*" % tag_prefix ],
255+ cwd = root ,
256+ )
241257 # --long was added in git-1.5.5
242258 if describe_out is None :
243259 raise NotThisMethod ("'git describe' failed" )
@@ -260,17 +276,16 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
260276 dirty = git_describe .endswith ("-dirty" )
261277 pieces ["dirty" ] = dirty
262278 if dirty :
263- git_describe = git_describe [:git_describe .rindex ("-dirty" )]
279+ git_describe = git_describe [: git_describe .rindex ("-dirty" )]
264280
265281 # now we have TAG-NUM-gHEX or HEX
266282
267283 if "-" in git_describe :
268284 # TAG-NUM-gHEX
269- mo = re .search (r' ^(.+)-(\d+)-g([0-9a-f]+)$' , git_describe )
285+ mo = re .search (r" ^(.+)-(\d+)-g([0-9a-f]+)$" , git_describe )
270286 if not mo :
271287 # unparsable. Maybe git-describe is misbehaving?
272- pieces ["error" ] = ("unable to parse git-describe output: '%s'"
273- % describe_out )
288+ pieces ["error" ] = "unable to parse git-describe output: '%s'" % describe_out
274289 return pieces
275290
276291 # tag
@@ -279,10 +294,9 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
279294 if verbose :
280295 fmt = "tag '%s' doesn't start with prefix '%s'"
281296 print (fmt % (full_tag , tag_prefix ))
282- pieces ["error" ] = ("tag '%s' doesn't start with prefix '%s'"
283- % (full_tag , tag_prefix ))
297+ pieces ["error" ] = "tag '%s' doesn't start with prefix '%s'" % (full_tag , tag_prefix )
284298 return pieces
285- pieces ["closest-tag" ] = full_tag [len (tag_prefix ):]
299+ pieces ["closest-tag" ] = full_tag [len (tag_prefix ) :]
286300
287301 # distance: number of commits since tag
288302 pieces ["distance" ] = int (mo .group (2 ))
@@ -293,13 +307,11 @@ def git_pieces_from_vcs(tag_prefix, root, verbose, run_command=run_command):
293307 else :
294308 # HEX: no tags
295309 pieces ["closest-tag" ] = None
296- count_out , rc = run_command (GITS , ["rev-list" , "HEAD" , "--count" ],
297- cwd = root )
310+ count_out , rc = run_command (GITS , ["rev-list" , "HEAD" , "--count" ], cwd = root )
298311 pieces ["distance" ] = int (count_out ) # total number of commits
299312
300313 # 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 ()
314+ date = run_command (GITS , ["show" , "-s" , "--format=%ci" , "HEAD" ], cwd = root )[0 ].strip ()
303315 pieces ["date" ] = date .strip ().replace (" " , "T" , 1 ).replace (" " , "" , 1 )
304316
305317 return pieces
@@ -330,8 +342,7 @@ def render_pep440(pieces):
330342 rendered += ".dirty"
331343 else :
332344 # exception #1
333- rendered = "0+untagged.%d.g%s" % (pieces ["distance" ],
334- pieces ["short" ])
345+ rendered = "0+untagged.%d.g%s" % (pieces ["distance" ], pieces ["short" ])
335346 if pieces ["dirty" ]:
336347 rendered += ".dirty"
337348 return rendered
@@ -445,11 +456,13 @@ def render_git_describe_long(pieces):
445456def render (pieces , style ):
446457 """Render the given version pieces into the requested style."""
447458 if pieces ["error" ]:
448- return {"version" : "unknown" ,
449- "full-revisionid" : pieces .get ("long" ),
450- "dirty" : None ,
451- "error" : pieces ["error" ],
452- "date" : None }
459+ return {
460+ "version" : "unknown" ,
461+ "full-revisionid" : pieces .get ("long" ),
462+ "dirty" : None ,
463+ "error" : pieces ["error" ],
464+ "date" : None ,
465+ }
453466
454467 if not style or style == "default" :
455468 style = "pep440" # the default
@@ -469,9 +482,13 @@ def render(pieces, style):
469482 else :
470483 raise ValueError ("unknown style '%s'" % style )
471484
472- return {"version" : rendered , "full-revisionid" : pieces ["long" ],
473- "dirty" : pieces ["dirty" ], "error" : None ,
474- "date" : pieces .get ("date" )}
485+ return {
486+ "version" : rendered ,
487+ "full-revisionid" : pieces ["long" ],
488+ "dirty" : pieces ["dirty" ],
489+ "error" : None ,
490+ "date" : pieces .get ("date" ),
491+ }
475492
476493
477494def get_versions ():
@@ -485,8 +502,7 @@ def get_versions():
485502 verbose = cfg .verbose
486503
487504 try :
488- return git_versions_from_keywords (get_keywords (), cfg .tag_prefix ,
489- verbose )
505+ return git_versions_from_keywords (get_keywords (), cfg .tag_prefix , verbose )
490506 except NotThisMethod :
491507 pass
492508
@@ -495,13 +511,16 @@ def get_versions():
495511 # versionfile_source is the relative path from the top of the source
496512 # tree (where the .git directory might live) to this file. Invert
497513 # this to find the root from __file__.
498- for i in cfg .versionfile_source .split ('/' ):
514+ for i in cfg .versionfile_source .split ("/" ):
499515 root = os .path .dirname (root )
500516 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 }
517+ return {
518+ "version" : "0+unknown" ,
519+ "full-revisionid" : None ,
520+ "dirty" : None ,
521+ "error" : "unable to find root of source tree" ,
522+ "date" : None ,
523+ }
505524
506525 try :
507526 pieces = git_pieces_from_vcs (cfg .tag_prefix , root , verbose )
@@ -515,6 +534,10 @@ def get_versions():
515534 except NotThisMethod :
516535 pass
517536
518- return {"version" : "0+unknown" , "full-revisionid" : None ,
519- "dirty" : None ,
520- "error" : "unable to compute version" , "date" : None }
537+ return {
538+ "version" : "0+unknown" ,
539+ "full-revisionid" : None ,
540+ "dirty" : None ,
541+ "error" : "unable to compute version" ,
542+ "date" : None ,
543+ }
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