257 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			257 lines
		
	
	
		
			8.8 KiB
		
	
	
	
		
			Python
		
	
	
	
| from __future__ import generators
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| 
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| import py
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| from conftesthandle import Conftest
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| from py.__.test.defaultconftest import adddefaultoptions
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| 
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| optparse = py.compat.optparse
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| 
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| # XXX move to Config class
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| basetemp = None
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| def ensuretemp(string, dir=1): 
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|     """ return temporary directory path with
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|         the given string as the trailing part. 
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|     """ 
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|     global basetemp
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|     if basetemp is None: 
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|         basetemp = py.path.local.make_numbered_dir(prefix='pytest-')
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|     return basetemp.ensure(string, dir=dir) 
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|   
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| class CmdOptions(object):
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|     """ pure container instance for holding cmdline options 
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|         as attributes. 
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|     """
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|     def __repr__(self):
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|         return "<CmdOptions %r>" %(self.__dict__,)
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| 
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| class Config(object): 
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|     """ central bus for dealing with configuration/initialization data. """ 
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|     Option = optparse.Option
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|     _initialized = False
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| 
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|     def __init__(self): 
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|         self.option = CmdOptions()
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|         self._parser = optparse.OptionParser(
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|             usage="usage: %prog [options] [query] [filenames of tests]")
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|         self._conftest = Conftest()
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| 
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|     def parse(self, args): 
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|         """ parse cmdline arguments into this config object. 
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|             Note that this can only be called once per testing process. 
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|         """ 
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|         assert not self._initialized, (
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|                 "can only parse cmdline args at most once per Config object")
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|         self._initialized = True
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|         adddefaultoptions(self)
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|         self._conftest.setinitial(args) 
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|         args = [str(x) for x in args]
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|         cmdlineoption, args = self._parser.parse_args(args) 
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|         self.option.__dict__.update(vars(cmdlineoption))
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|         if not args:
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|             args.append(py.std.os.getcwd())
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|         self.topdir = gettopdir(args)
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|         self.args = args 
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| 
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|     # config objects are usually pickled across system
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|     # barriers but they contain filesystem paths. 
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|     # upon getstate/setstate we take care to do everything
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|     # relative to our "topdir". 
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|     def __getstate__(self):
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|         return self._makerepr()
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|     def __setstate__(self, repr):
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|         self._repr = repr
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| 
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|     def _initafterpickle(self, topdir):
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|         self.__init__()
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|         self._initialized = True
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|         self.topdir = py.path.local(topdir)
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|         self._mergerepr(self._repr)
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|         del self._repr 
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| 
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|     def _makerepr(self):
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|         l = []
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|         for path in self.args:
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|             path = py.path.local(path)
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|             l.append(path.relto(self.topdir)) 
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|         return l, self.option
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| 
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|     def _mergerepr(self, repr): 
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|         # before any conftests are loaded we 
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|         # need to set the per-process singleton 
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|         # (also seens py.test.config) to have consistent
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|         # option handling 
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|         global config_per_process
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|         config_per_process = self  
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|         args, cmdlineopts = repr 
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|         self.args = [self.topdir.join(x) for x in args]
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|         self.option = cmdlineopts
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|         self._conftest.setinitial(self.args)
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| 
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|     def getfsnode(self, path):
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|         path = py.path.local(path)
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|         assert path.check(), "%s: path does not exist" %(path,)
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|         # we want our possibly custom collection tree to start at pkgroot 
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|         pkgpath = path.pypkgpath()
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|         if pkgpath is None:
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|             pkgpath = path.check(file=1) and path.dirpath() or path
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|         Dir = self._conftest.rget("Directory", pkgpath)
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|         col = Dir(pkgpath, config=self)
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|         names = path.relto(col.fspath).split(path.sep)
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|         return col._getitembynames(names)
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| 
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|     def getvalue_pathlist(self, name, path=None):
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|         """ return a matching value, which needs to be sequence
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|             of filenames that will be returned as a list of Path
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|             objects (they can be relative to the location 
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|             where they were found).
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|         """
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|         try:
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|             return getattr(self.option, name)
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|         except AttributeError:
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|             try:
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|                 mod, relroots = self._conftest.rget_with_confmod(name, path)
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|             except KeyError:
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|                 return None
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|             modpath = py.path.local(mod.__file__).dirpath()
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|             return [modpath.join(x, abs=True) for x in relroots]
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|              
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|     def addoptions(self, groupname, *specs): 
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|         """ add a named group of options to the current testing session. 
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|             This function gets invoked during testing session initialization. 
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|         """ 
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|         for spec in specs:
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|             for shortopt in spec._short_opts:
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|                 if not shortopt.isupper(): 
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|                     raise ValueError(
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|                         "custom options must be capital letter "
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|                         "got %r" %(spec,)
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|                     )
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|         return self._addoptions(groupname, *specs)
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| 
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|     def _addoptions(self, groupname, *specs):
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|         optgroup = optparse.OptionGroup(self._parser, groupname) 
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|         optgroup.add_options(specs) 
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|         self._parser.add_option_group(optgroup)
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|         for opt in specs: 
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|             if hasattr(opt, 'default') and opt.dest:
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|                 if not hasattr(self.option, opt.dest):
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|                     setattr(self.option, opt.dest, opt.default) 
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|         return self.option
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| 
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|     def getvalue(self, name, path=None): 
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|         """ return 'name' value looked up from the 'options'
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|             and then from the first conftest file found up 
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|             the path (including the path itself). 
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|             if path is None, lookup the value in the initial
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|             conftest modules found during command line parsing. 
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|         """
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|         try:
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|             return getattr(self.option, name)
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|         except AttributeError:
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|             return self._conftest.rget(name, path)
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| 
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|     def initreporter(self, bus):
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|         if self.option.collectonly:
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|             from py.__.test.report.collectonly import Reporter
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|         else:
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|             from py.__.test.report.terminal import Reporter 
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|         rep = Reporter(self, bus=bus)
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|         return rep
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| 
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|     def initsession(self):
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|         """ return an initialized session object. """
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|         cls = self._getsessionclass()
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|         session = cls(self)
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|         session.fixoptions()
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|         session.reporter = self.initreporter(session.bus)
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|         return session
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| 
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|     def _getsessionclass(self): 
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|         """ return Session class determined from cmdline options
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|             and looked up in initial config modules. 
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|         """
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|         if self.option.session is not None:
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|             return self._conftest.rget(self.option.session)
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|         else:
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|             name = self._getsessionname()
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|             try:
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|                 return self._conftest.rget(name)
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|             except KeyError:
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|                 pass
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|             importpath = globals()[name]
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|             mod = __import__(importpath, None, None, '__doc__')
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|             return getattr(mod, name)
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| 
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|     def _getsessionname(self):
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|         """ return default session name as determined from options. """
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|         if self.option.collectonly:
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|             name = 'Session'
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|         elif self.option.looponfailing:
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|             name = 'LooponfailingSession'
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|         elif self.option.numprocesses or self.option.dist or self.option.executable: 
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|             name = 'DSession'
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|         else:
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|             name = 'Session'
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|         return name
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| 
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|     def _reparse(self, args):
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|         """ this is used from tests that want to re-invoke parse(). """
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|         #assert args # XXX should not be empty
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|         global config_per_process
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|         oldconfig = py.test.config
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|         try:
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|             config_per_process = py.test.config = Config()
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|             config_per_process.parse(args) 
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|             return config_per_process
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|         finally: 
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|             config_per_process = py.test.config = oldconfig 
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| 
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|     def _getcapture(self, path=None):
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|         if self.option.nocapture:
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|             iocapture = "no" 
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|         else:
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|             iocapture = self.getvalue("conf_iocapture", path=path)
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|         if iocapture == "fd": 
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|             return py.io.StdCaptureFD()
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|         elif iocapture == "sys":
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|             return py.io.StdCapture()
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|         elif iocapture == "no": 
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|             return py.io.StdCapture(out=False, err=False, in_=False)
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|         else:
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|             raise ValueError("unknown io capturing: " + iocapture)
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| 
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| # this is the one per-process instance of py.test configuration 
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| config_per_process = Config()
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| 
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| # default import paths for sessions 
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| 
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| Session = 'py.__.test.session'
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| LooponfailingSession = 'py.__.test.looponfail.remote'
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| DSession = 'py.__.test.dsession.dsession'
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| 
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| #
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| # helpers
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| #
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| 
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| def checkmarshal(name, value):
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|     try:
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|         py.std.marshal.dumps(value)
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|     except ValueError:
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|         raise ValueError("%s=%r is not marshallable" %(name, value))
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| 
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| def gettopdir(args): 
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|     """ return the top directory for the given paths.
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|         if the common base dir resides in a python package 
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|         parent directory of the root package is returned. 
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|     """
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|     args = [py.path.local(arg) for arg in args]
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|     p = reduce(py.path.local.common, args)
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|     assert p, "cannot determine common basedir of %s" %(args,)
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|     pkgdir = p.pypkgpath()
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|     if pkgdir is None:
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|         if p.check(file=1):
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|             p = p.dirpath()
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|         return p
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|     else:
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|         return pkgdir.dirpath()
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