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author | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
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committer | Patrick Williams <patrick@stwcx.xyz> | 2015-09-15 22:41:29 +0300 |
commit | 21f9b84b4b729fbd7acbd465e7a3f726e4d20f91 (patch) | |
tree | eb2d091d427ca0813b445509d59cc8e27e8ad25f /yocto-poky/meta/lib/oeqa/controllers/testtargetloader.py | |
parent | 101cef31e2bf54c678501155cd2106251acbd076 (diff) | |
parent | c124f4f2e04dca16a428a76c89677328bc7bf908 (diff) | |
download | openbmc-21f9b84b4b729fbd7acbd465e7a3f726e4d20f91.tar.xz |
Merge commit 'c124f4f2e04dca16a428a76c89677328bc7bf908' as 'yocto-poky'
Diffstat (limited to 'yocto-poky/meta/lib/oeqa/controllers/testtargetloader.py')
-rw-r--r-- | yocto-poky/meta/lib/oeqa/controllers/testtargetloader.py | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/yocto-poky/meta/lib/oeqa/controllers/testtargetloader.py b/yocto-poky/meta/lib/oeqa/controllers/testtargetloader.py new file mode 100644 index 000000000..a1b7b1d92 --- /dev/null +++ b/yocto-poky/meta/lib/oeqa/controllers/testtargetloader.py @@ -0,0 +1,70 @@ +import types +import bb +import os + +# This class is responsible for loading a test target controller +class TestTargetLoader: + + # Search oeqa.controllers module directory for and return a controller + # corresponding to the given target name. + # AttributeError raised if not found. + # ImportError raised if a provided module can not be imported. + def get_controller_module(self, target, bbpath): + controllerslist = self.get_controller_modulenames(bbpath) + bb.note("Available controller modules: %s" % str(controllerslist)) + controller = self.load_controller_from_name(target, controllerslist) + return controller + + # Return a list of all python modules in lib/oeqa/controllers for each + # layer in bbpath + def get_controller_modulenames(self, bbpath): + + controllerslist = [] + + def add_controller_list(path): + if not os.path.exists(os.path.join(path, '__init__.py')): + bb.fatal('Controllers directory %s exists but is missing __init__.py' % path) + files = sorted([f for f in os.listdir(path) if f.endswith('.py') and not f.startswith('_')]) + for f in files: + module = 'oeqa.controllers.' + f[:-3] + if module not in controllerslist: + controllerslist.append(module) + else: + bb.warn("Duplicate controller module found for %s, only one added. Layers should create unique controller module names" % module) + + for p in bbpath: + controllerpath = os.path.join(p, 'lib', 'oeqa', 'controllers') + bb.debug(2, 'Searching for target controllers in %s' % controllerpath) + if os.path.exists(controllerpath): + add_controller_list(controllerpath) + return controllerslist + + # Search for and return a controller from given target name and + # set of module names. + # Raise AttributeError if not found. + # Raise ImportError if a provided module can not be imported + def load_controller_from_name(self, target, modulenames): + for name in modulenames: + obj = self.load_controller_from_module(target, name) + if obj: + return obj + raise AttributeError("Unable to load {0} from available modules: {1}".format(target, str(modulenames))) + + # Search for and return a controller or None from given module name + def load_controller_from_module(self, target, modulename): + obj = None + # import module, allowing it to raise import exception + module = __import__(modulename, globals(), locals(), [target]) + # look for target class in the module, catching any exceptions as it + # is valid that a module may not have the target class. + try: + obj = getattr(module, target) + if obj: + from oeqa.targetcontrol import BaseTarget + if (not isinstance(obj, (type, types.ClassType))): + bb.warn("Target {0} found, but not of type Class".format(target)) + if( not issubclass(obj, BaseTarget)): + bb.warn("Target {0} found, but subclass is not BaseTarget".format(target)) + except: + obj = None + return obj |