Commitdcf2c3b

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config: GitConfigReader now allows to override its lock-type. By default it uses a 'failing' lock file, but now its possible to easily put a blocking lock file in its place

1 parenta38a005 commitdcf2c3bCopy full SHA for dcf2c3b

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3 files changed

+26

-10

lines changed

lib/git
- config.py
- utils.py
test/git
- test_config.py

3 files changed

+26

-10

lines changed

`‎lib/git/config.py‎`

Lines changed: 17 additions & 8 deletions

Original file line number	Diff line number	Diff line change
`@@ -72,7 +72,7 @@ def flush_changes(self, args, *kwargs):`
`72`	`72`
`73`	`73`
`74`	`74`
`75`		`-classGitConfigParser(cp.RawConfigParser,LockFile):`
	`75`	`+classGitConfigParser(cp.RawConfigParser,object):`
`76`	`76`	`"""`
`77`	`77`	`Implements specifics required to read git style configuration files.`
`78`	`78`
`@@ -91,6 +91,15 @@ class GitConfigParser(cp.RawConfigParser, LockFile):`
`91`	`91`	`"""`
`92`	`92`	`__metaclass__=_MetaParserBuilder`
`93`	`93`
	`94`	`+`
	`95`	`+#{ Configuration`
	`96`	`+# The lock type determines the type of lock to use in new configuration readers.`
	`97`	`+# They must be compatible to the LockFile interface.`
	`98`	`+# A suitable alternative would be the BlockingLockFile`
	`99`	`+t_lock=LockFile`
	`100`	`+`
	`101`	`+#} END configuration`
	`102`	`+`
`94`	`103`	`OPTCRE=re.compile(`
`95`	`104`	`r'\s?(?P<option>[^:=\s][^:=]*)'# very permissive, incuding leading whitespace`
`96`	`105`	`r'\s(?P<vi>[:=])\s'# any number of space/tab,`
`@@ -102,7 +111,7 @@ class GitConfigParser(cp.RawConfigParser, LockFile):`
`102`	`111`
`103`	`112`	`# list of RawConfigParser methods able to change the instance`
`104`	`113`	`_mutating_methods_= ("add_section","remove_section","remove_option","set")`
`105`		`-__slots__= ("_sections","_defaults","_file_or_files","_read_only","_is_initialized")`
	`114`	`+__slots__= ("_sections","_defaults","_file_or_files","_read_only","_is_initialized",'_lock')`
`106`	`115`
`107`	`116`	`def__init__(self,file_or_files,read_only=True):`
`108`	`117`	`"""`
`@@ -125,7 +134,7 @@ def __init__(self, file_or_files, read_only=True):`
`125`	`134`	`self._file_or_files=file_or_files`
`126`	`135`	`self._read_only=read_only`
`127`	`136`	`self._is_initialized=False`
`128`		`-`
	`137`	`+self._lock=None`
`129`	`138`
`130`	`139`	`ifnotread_only:`
`131`	`140`	`ifisinstance(file_or_files, (tuple,list)):`
`@@ -136,9 +145,9 @@ def __init__(self, file_or_files, read_only=True):`
`136`	`145`	`file_or_files=file_or_files.name`
`137`	`146`	`# END get filename from handle/stream`
`138`	`147`	`# initialize lock base - we want to write`
`139`		`-LockFile.__init__(self,file_or_files)`
	`148`	`+self._lock=self.t_lock(file_or_files)`
`140`	`149`
`141`		`-self._obtain_lock_or_raise()`
	`150`	`+self._lock._obtain_lock()`
`142`	`151`	`# END read-only check`
`143`	`152`
`144`	`153`
`@@ -148,7 +157,7 @@ def __del__(self):`
`148`	`157`	`"""`
`149`	`158`	`# checking for the lock here makes sure we do not raise during write()`
`150`	`159`	`# in case an invalid parser was created who could not get a lock`
`151`		`-ifself.read_onlyornotself._has_lock():`
	`160`	`+ifself.read_onlyornotself._lock._has_lock():`
`152`	`161`	`return`
`153`	`162`
`154`	`163`	`try:`
`@@ -157,7 +166,7 @@ def __del__(self):`
`157`	`166`	`exceptIOError,e:`
`158`	`167`	`print"Exception during destruction of GitConfigParser: %s"%str(e)`
`159`	`168`	`finally:`
`160`		`-self._release_lock()`
	`169`	`+self._lock._release_lock()`
`161`	`170`
`162`	`171`	`defoptionxform(self,optionstr):`
`163`	`172`	`"""`
`@@ -303,7 +312,7 @@ def write(self):`
`303`	`312`	`a file lock`
`304`	`313`	`"""`
`305`	`314`	`self._assure_writable("write")`
`306`		`-self._obtain_lock_or_raise()`
	`315`	`+self._lock._obtain_lock()`
`307`	`316`
`308`	`317`
`309`	`318`	`fp=self._file_or_files`

`‎lib/git/utils.py‎`

Lines changed: 8 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -163,13 +163,20 @@ def _obtain_lock_or_raise(self):`
`163`	`163`
`164`	`164`	`self._owns_lock=True`
`165`	`165`
	`166`	`+def_obtain_lock(self):`
	`167`	`+"""`
	`168`	`+The default implementation will raise if a lock cannot be obtained.`
	`169`	`+Subclasses may override this method to provide a different implementation`
	`170`	`+"""`
	`171`	`+returnself._obtain_lock_or_raise()`
	`172`	`+`
`166`	`173`	`def_release_lock(self):`
`167`	`174`	`"""`
`168`	`175`	`Release our lock if we have one`
`169`	`176`	`"""`
`170`	`177`	`ifnotself._has_lock():`
`171`	`178`	`return`
`172`		`-`
	`179`	`+`
`173`	`180`	`os.remove(self._lock_file_path())`
`174`	`181`	`self._owns_lock=False`
`175`	`182`

`‎test/git/test_config.py‎`

Lines changed: 1 addition & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ def test_read_write(self):`
`38`	`38`	`self.failUnlessRaises(IOError,GitConfigParser,file_obj,read_only=False)`
`39`	`39`
`40`	`40`	`# should still have a lock and be able to make changes`
`41`		`-assertw_config._has_lock()`
	`41`	`+assertw_config._lock._has_lock()`
`42`	`42`
`43`	`43`	`# changes should be written right away`
`44`	`44`	`sname="my_section"`

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Commitdcf2c3b

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3 files changed

3 files changed

`‎lib/git/config.py‎`

`‎lib/git/utils.py‎`

`‎test/git/test_config.py‎`

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