def __init__(self, topdir=None, option=None): self.option = option or CmdOptions() self.topdir = topdir self._parser = parseopt.Parser( usage="usage: %prog [options] [file_or_dir] [file_or_dir] [...]", processopt=self._processopt, ) self.pluginmanager = PluginManager() self._conftest = Conftest(onimport=self._onimportconftest) self.hook = self.pluginmanager.hook
class Config(object): """ access to config values, pluginmanager and plugin hooks. """ Option = py.std.optparse.Option Error = Error basetemp = None _sessionclass = None def __init__(self, topdir=None, option=None): self.option = option or CmdOptions() self.topdir = topdir self._parser = parseopt.Parser( usage="usage: %prog [options] [file_or_dir] [file_or_dir] [...]", processopt=self._processopt, ) self.pluginmanager = PluginManager() self._conftest = Conftest(onimport=self._onimportconftest) self.hook = self.pluginmanager.hook def _onimportconftest(self, conftestmodule): self.trace("loaded conftestmodule %r" %(conftestmodule,)) self.pluginmanager.consider_conftest(conftestmodule) def _getmatchingplugins(self, fspath): allconftests = self._conftest._conftestpath2mod.values() plugins = [x for x in self.pluginmanager.getplugins() if x not in allconftests] plugins += self._conftest.getconftestmodules(fspath) return plugins def trace(self, msg): if getattr(self.option, 'traceconfig', None): self.hook.pytest_trace(category="config", msg=msg) def _processopt(self, opt): if hasattr(opt, 'default') and opt.dest: val = os.environ.get("PYTEST_OPTION_" + opt.dest.upper(), None) if val is not None: if opt.type == "int": val = int(val) elif opt.type == "long": val = long(val) elif opt.type == "float": val = float(val) elif not opt.type and opt.action in ("store_true", "store_false"): val = eval(val) opt.default = val else: name = "option_" + opt.dest try: opt.default = self._conftest.rget(name) except (ValueError, KeyError): pass if not hasattr(self.option, opt.dest): setattr(self.option, opt.dest, opt.default) def _preparse(self, args): self.pluginmanager.consider_setuptools_entrypoints() self.pluginmanager.consider_env() self.pluginmanager.consider_preparse(args) self._conftest.setinitial(args) self.pluginmanager.do_addoption(self._parser) def parse(self, args): """ parse cmdline arguments into this config object. Note that this can only be called once per testing process. """ assert not hasattr(self, 'args'), ( "can only parse cmdline args at most once per Config object") self._preparse(args) self._parser.hints.extend(self.pluginmanager._hints) args = self._parser.parse_setoption(args, self.option) if not args: args.append(py.std.os.getcwd()) self.topdir = gettopdir(args) self._rootcol = RootCollector(config=self) self._setargs(args) def _setargs(self, args): self.args = list(args) self._argfspaths = [py.path.local(decodearg(x)[0]) for x in args] # config objects are usually pickled across system # barriers but they contain filesystem paths. # upon getstate/setstate we take care to do everything # relative to "topdir". def __getstate__(self): l = [] for path in self.args: path = py.path.local(path) l.append(path.relto(self.topdir)) return l, self.option.__dict__ def __setstate__(self, repr): # we have to set py.test.config because loading # of conftest files may use it (deprecated) # mainly by py.test.config.addoptions() global config_per_process py.test.config = config_per_process = self args, cmdlineopts = repr cmdlineopts = CmdOptions(**cmdlineopts) # next line will registers default plugins self.__init__(topdir=py.path.local(), option=cmdlineopts) self._rootcol = RootCollector(config=self) args = [str(self.topdir.join(x)) for x in args] self._preparse(args) self._setargs(args) def ensuretemp(self, string, dir=True): return self.getbasetemp().ensure(string, dir=dir) def getbasetemp(self): if self.basetemp is None: basetemp = self.option.basetemp if basetemp: basetemp = py.path.local(basetemp) if not basetemp.check(dir=1): basetemp.mkdir() else: basetemp = py.path.local.make_numbered_dir(prefix='pytest-') self.basetemp = basetemp return self.basetemp def mktemp(self, basename, numbered=False): basetemp = self.getbasetemp() if not numbered: return basetemp.mkdir(basename) else: return py.path.local.make_numbered_dir(prefix=basename + "-", keep=0, rootdir=basetemp, lock_timeout=None) def getinitialnodes(self): return [self.getnode(arg) for arg in self.args] def getnode(self, arg): parts = decodearg(arg) path = py.path.local(parts.pop(0)) if not path.check(): raise self.Error("file not found: %s" %(path,)) topdir = self.topdir if path != topdir and not path.relto(topdir): raise self.Error("path %r is not relative to %r" % (str(path), str(topdir))) # assumtion: pytest's fs-collector tree follows the filesystem tree names = list(filter(None, path.relto(topdir).split(path.sep))) names += parts try: return self._rootcol.getbynames(names) except ValueError: e = py.std.sys.exc_info()[1] raise self.Error("can't collect: %s\n%s" % (arg, e.args[0])) def _getcollectclass(self, name, path): try: cls = self._conftest.rget(name, path) except KeyError: return getattr(py.test.collect, name) else: py.log._apiwarn(">1.1", "%r was found in a conftest.py file, " "use pytest_collect hooks instead." % (cls,)) return cls def getconftest_pathlist(self, name, path=None): """ return a matching value, which needs to be sequence of filenames that will be returned as a list of Path objects (they can be relative to the location where they were found). """ try: mod, relroots = self._conftest.rget_with_confmod(name, path) except KeyError: return None modpath = py.path.local(mod.__file__).dirpath() l = [] for relroot in relroots: if not isinstance(relroot, py.path.local): relroot = relroot.replace("/", py.path.local.sep) relroot = modpath.join(relroot, abs=True) l.append(relroot) return l def addoptions(self, groupname, *specs): """ add a named group of options to the current testing session. This function gets invoked during testing session initialization. """ py.log._apiwarn("1.0", "define pytest_addoptions(parser) to add options", stacklevel=2) group = self._parser.getgroup(groupname) for opt in specs: group._addoption_instance(opt) return self.option def addoption(self, *optnames, **attrs): return self._parser.addoption(*optnames, **attrs) def getvalueorskip(self, name, path=None): """ return getvalue() or call py.test.skip if no value exists. """ try: val = self.getvalue(name, path) if val is None: raise KeyError(name) return val except KeyError: py.test.skip("no %r value found" %(name,)) def getvalue(self, name, path=None): """ return 'name' value looked up from the 'options' and then from the first conftest file found up the path (including the path itself). if path is None, lookup the value in the initial conftest modules found during command line parsing. """ try: return getattr(self.option, name) except AttributeError: return self._conftest.rget(name, path) def setsessionclass(self, cls): if self._sessionclass is not None: raise ValueError("sessionclass already set to: %r" %( self._sessionclass)) self._sessionclass = cls def initsession(self): """ return an initialized session object. """ cls = self._sessionclass if cls is None: from py._test.session import Session cls = Session session = cls(self) self.trace("instantiated session %r" % session) return session
class Config(object): """ access to config values, pluginmanager and plugin hooks. """ Option = py.std.optparse.Option Error = Error basetemp = None _sessionclass = None def __init__(self, topdir=None, option=None): self.option = option or CmdOptions() self.topdir = topdir self._parser = parseopt.Parser( usage="usage: %prog [options] [file_or_dir] [file_or_dir] [...]", processopt=self._processopt, ) self.pluginmanager = PluginManager() self._conftest = Conftest(onimport=self._onimportconftest) self.hook = self.pluginmanager.hook def _onimportconftest(self, conftestmodule): self.trace("loaded conftestmodule %r" % (conftestmodule, )) self.pluginmanager.consider_conftest(conftestmodule) def _getmatchingplugins(self, fspath): allconftests = self._conftest._conftestpath2mod.values() plugins = [ x for x in self.pluginmanager.getplugins() if x not in allconftests ] plugins += self._conftest.getconftestmodules(fspath) return plugins def trace(self, msg): if getattr(self.option, 'traceconfig', None): self.hook.pytest_trace(category="config", msg=msg) def _processopt(self, opt): if hasattr(opt, 'default') and opt.dest: val = os.environ.get("PYTEST_OPTION_" + opt.dest.upper(), None) if val is not None: if opt.type == "int": val = int(val) elif opt.type == "long": val = long(val) elif opt.type == "float": val = float(val) elif not opt.type and opt.action in ("store_true", "store_false"): val = eval(val) opt.default = val else: name = "option_" + opt.dest try: opt.default = self._conftest.rget(name) except (ValueError, KeyError): pass if not hasattr(self.option, opt.dest): setattr(self.option, opt.dest, opt.default) def _preparse(self, args): self.pluginmanager.consider_setuptools_entrypoints() self.pluginmanager.consider_env() self.pluginmanager.consider_preparse(args) self._conftest.setinitial(args) self.pluginmanager.do_addoption(self._parser) def parse(self, args): """ parse cmdline arguments into this config object. Note that this can only be called once per testing process. """ assert not hasattr(self, 'args'), ( "can only parse cmdline args at most once per Config object") self._preparse(args) self._parser.hints.extend(self.pluginmanager._hints) args = self._parser.parse_setoption(args, self.option) if not args: args.append(py.std.os.getcwd()) self.topdir = gettopdir(args) self._rootcol = RootCollector(config=self) self._setargs(args) def _setargs(self, args): self.args = list(args) self._argfspaths = [py.path.local(decodearg(x)[0]) for x in args] # config objects are usually pickled across system # barriers but they contain filesystem paths. # upon getstate/setstate we take care to do everything # relative to "topdir". def __getstate__(self): l = [] for path in self.args: path = py.path.local(path) l.append(path.relto(self.topdir)) return l, self.option.__dict__ def __setstate__(self, repr): # we have to set py.test.config because loading # of conftest files may use it (deprecated) # mainly by py.test.config.addoptions() global config_per_process py.test.config = config_per_process = self args, cmdlineopts = repr cmdlineopts = CmdOptions(**cmdlineopts) # next line will registers default plugins self.__init__(topdir=py.path.local(), option=cmdlineopts) self._rootcol = RootCollector(config=self) args = [str(self.topdir.join(x)) for x in args] self._preparse(args) self._setargs(args) def ensuretemp(self, string, dir=True): return self.getbasetemp().ensure(string, dir=dir) def getbasetemp(self): if self.basetemp is None: basetemp = self.option.basetemp if basetemp: basetemp = py.path.local(basetemp) if not basetemp.check(dir=1): basetemp.mkdir() else: basetemp = py.path.local.make_numbered_dir(prefix='pytest-') self.basetemp = basetemp return self.basetemp def mktemp(self, basename, numbered=False): basetemp = self.getbasetemp() if not numbered: return basetemp.mkdir(basename) else: return py.path.local.make_numbered_dir(prefix=basename + "-", keep=0, rootdir=basetemp, lock_timeout=None) def getinitialnodes(self): return [self.getnode(arg) for arg in self.args] def getnode(self, arg): parts = decodearg(arg) path = py.path.local(parts.pop(0)) if not path.check(): raise self.Error("file not found: %s" % (path, )) topdir = self.topdir if path != topdir and not path.relto(topdir): raise self.Error("path %r is not relative to %r" % (str(path), str(topdir))) # assumtion: pytest's fs-collector tree follows the filesystem tree names = list(filter(None, path.relto(topdir).split(path.sep))) names += parts try: return self._rootcol.getbynames(names) except ValueError: e = py.std.sys.exc_info()[1] raise self.Error("can't collect: %s\n%s" % (arg, e.args[0])) def _getcollectclass(self, name, path): try: cls = self._conftest.rget(name, path) except KeyError: return getattr(py.test.collect, name) else: py.log._apiwarn( ">1.1", "%r was found in a conftest.py file, " "use pytest_collect hooks instead." % (cls, )) return cls def getconftest_pathlist(self, name, path=None): """ return a matching value, which needs to be sequence of filenames that will be returned as a list of Path objects (they can be relative to the location where they were found). """ try: mod, relroots = self._conftest.rget_with_confmod(name, path) except KeyError: return None modpath = py.path.local(mod.__file__).dirpath() l = [] for relroot in relroots: if not isinstance(relroot, py.path.local): relroot = relroot.replace("/", py.path.local.sep) relroot = modpath.join(relroot, abs=True) l.append(relroot) return l def addoptions(self, groupname, *specs): """ add a named group of options to the current testing session. This function gets invoked during testing session initialization. """ py.log._apiwarn("1.0", "define pytest_addoptions(parser) to add options", stacklevel=2) group = self._parser.getgroup(groupname) for opt in specs: group._addoption_instance(opt) return self.option def addoption(self, *optnames, **attrs): return self._parser.addoption(*optnames, **attrs) def getvalueorskip(self, name, path=None): """ return getvalue() or call py.test.skip if no value exists. """ try: val = self.getvalue(name, path) if val is None: raise KeyError(name) return val except KeyError: py.test.skip("no %r value found" % (name, )) def getvalue(self, name, path=None): """ return 'name' value looked up from the 'options' and then from the first conftest file found up the path (including the path itself). if path is None, lookup the value in the initial conftest modules found during command line parsing. """ try: return getattr(self.option, name) except AttributeError: return self._conftest.rget(name, path) def setsessionclass(self, cls): if self._sessionclass is not None: raise ValueError("sessionclass already set to: %r" % (self._sessionclass)) self._sessionclass = cls def initsession(self): """ return an initialized session object. """ cls = self._sessionclass if cls is None: from py._test.session import Session cls = Session session = cls(self) self.trace("instantiated session %r" % session) return session