adapt pytest to using pluggy (current master)
--HG-- branch : pluggy1
This commit is contained in:
parent
9aec5cd52d
commit
5ee7ee0850
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@ -9,7 +9,7 @@ import py
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# DON't import pytest here because it causes import cycle troubles
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import sys, os
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from _pytest import hookspec # the extension point definitions
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from _pytest.core import PluginManager, hookimpl_opts, varnames
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from pluggy import PluginManager, hookimpl_opts, varnames
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# pytest startup
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#
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590
_pytest/core.py
590
_pytest/core.py
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@ -1,590 +0,0 @@
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"""
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PluginManager, basic initialization and tracing.
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"""
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import sys
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from inspect import isfunction, ismethod, isclass, formatargspec, getargspec
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import py
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py3 = sys.version_info > (3,0)
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def hookspec_opts(firstresult=False, historic=False):
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""" returns a decorator which will define a function as a hook specfication.
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If firstresult is True the 1:N hook call (N being the number of registered
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hook implementation functions) will stop at I<=N when the I'th function
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returns a non-None result.
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If historic is True calls to a hook will be memorized and replayed
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on later registered plugins.
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"""
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def setattr_hookspec_opts(func):
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if historic and firstresult:
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raise ValueError("cannot have a historic firstresult hook")
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if firstresult:
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func.firstresult = firstresult
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if historic:
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func.historic = historic
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return func
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return setattr_hookspec_opts
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def hookimpl_opts(hookwrapper=False, optionalhook=False,
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tryfirst=False, trylast=False):
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""" Return a decorator which marks a function as a hook implementation.
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If optionalhook is True a missing matching hook specification will not result
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in an error (by default it is an error if no matching spec is found).
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If tryfirst is True this hook implementation will run as early as possible
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in the chain of N hook implementations for a specfication.
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If trylast is True this hook implementation will run as late as possible
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in the chain of N hook implementations.
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If hookwrapper is True the hook implementations needs to execute exactly
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one "yield". The code before the yield is run early before any non-hookwrapper
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function is run. The code after the yield is run after all non-hookwrapper
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function have run. The yield receives an ``CallOutcome`` object representing
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the exception or result outcome of the inner calls (including other hookwrapper
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calls).
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"""
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def setattr_hookimpl_opts(func):
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if hookwrapper:
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func.hookwrapper = True
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if optionalhook:
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func.optionalhook = True
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if tryfirst:
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func.tryfirst = True
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if trylast:
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func.trylast = True
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return func
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return setattr_hookimpl_opts
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class TagTracer:
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def __init__(self):
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self._tag2proc = {}
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self.writer = None
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self.indent = 0
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def get(self, name):
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return TagTracerSub(self, (name,))
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def format_message(self, tags, args):
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if isinstance(args[-1], dict):
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extra = args[-1]
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args = args[:-1]
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else:
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extra = {}
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content = " ".join(map(str, args))
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indent = " " * self.indent
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lines = [
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"%s%s [%s]\n" %(indent, content, ":".join(tags))
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]
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for name, value in extra.items():
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lines.append("%s %s: %s\n" % (indent, name, value))
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return lines
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def processmessage(self, tags, args):
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if self.writer is not None and args:
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lines = self.format_message(tags, args)
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self.writer(''.join(lines))
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try:
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self._tag2proc[tags](tags, args)
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except KeyError:
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pass
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def setwriter(self, writer):
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self.writer = writer
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def setprocessor(self, tags, processor):
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if isinstance(tags, str):
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tags = tuple(tags.split(":"))
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else:
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assert isinstance(tags, tuple)
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self._tag2proc[tags] = processor
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class TagTracerSub:
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def __init__(self, root, tags):
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self.root = root
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self.tags = tags
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def __call__(self, *args):
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self.root.processmessage(self.tags, args)
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def setmyprocessor(self, processor):
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self.root.setprocessor(self.tags, processor)
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def get(self, name):
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return self.__class__(self.root, self.tags + (name,))
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def raise_wrapfail(wrap_controller, msg):
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co = wrap_controller.gi_code
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raise RuntimeError("wrap_controller at %r %s:%d %s" %
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(co.co_name, co.co_filename, co.co_firstlineno, msg))
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def wrapped_call(wrap_controller, func):
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""" Wrap calling to a function with a generator which needs to yield
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exactly once. The yield point will trigger calling the wrapped function
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and return its CallOutcome to the yield point. The generator then needs
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to finish (raise StopIteration) in order for the wrapped call to complete.
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"""
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try:
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next(wrap_controller) # first yield
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except StopIteration:
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raise_wrapfail(wrap_controller, "did not yield")
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call_outcome = CallOutcome(func)
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try:
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wrap_controller.send(call_outcome)
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raise_wrapfail(wrap_controller, "has second yield")
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except StopIteration:
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pass
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return call_outcome.get_result()
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class CallOutcome:
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""" Outcome of a function call, either an exception or a proper result.
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Calling the ``get_result`` method will return the result or reraise
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the exception raised when the function was called. """
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excinfo = None
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def __init__(self, func):
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try:
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self.result = func()
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except BaseException:
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self.excinfo = sys.exc_info()
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def force_result(self, result):
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self.result = result
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self.excinfo = None
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def get_result(self):
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if self.excinfo is None:
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return self.result
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else:
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ex = self.excinfo
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if py3:
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raise ex[1].with_traceback(ex[2])
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py.builtin._reraise(*ex)
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class TracedHookExecution:
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def __init__(self, pluginmanager, before, after):
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self.pluginmanager = pluginmanager
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self.before = before
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self.after = after
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self.oldcall = pluginmanager._inner_hookexec
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assert not isinstance(self.oldcall, TracedHookExecution)
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self.pluginmanager._inner_hookexec = self
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def __call__(self, hook, methods, kwargs):
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self.before(hook, methods, kwargs)
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outcome = CallOutcome(lambda: self.oldcall(hook, methods, kwargs))
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self.after(outcome, hook, methods, kwargs)
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return outcome.get_result()
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def undo(self):
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self.pluginmanager._inner_hookexec = self.oldcall
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class PluginManager(object):
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""" Core Pluginmanager class which manages registration
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of plugin objects and 1:N hook calling.
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You can register new hooks by calling ``addhooks(module_or_class)``.
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You can register plugin objects (which contain hooks) by calling
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``register(plugin)``. The Pluginmanager is initialized with a
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prefix that is searched for in the names of the dict of registered
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plugin objects. An optional excludefunc allows to blacklist names which
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are not considered as hooks despite a matching prefix.
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For debugging purposes you can call ``enable_tracing()``
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which will subsequently send debug information to the trace helper.
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"""
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def __init__(self, prefix, excludefunc=None):
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self._prefix = prefix
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self._excludefunc = excludefunc
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self._name2plugin = {}
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self._plugin2hookcallers = {}
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self._plugin_distinfo = []
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self.trace = TagTracer().get("pluginmanage")
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self.hook = HookRelay(self.trace.root.get("hook"))
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self._inner_hookexec = lambda hook, methods, kwargs: \
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MultiCall(methods, kwargs, hook.firstresult).execute()
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def _hookexec(self, hook, methods, kwargs):
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# called from all hookcaller instances.
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# enable_tracing will set its own wrapping function at self._inner_hookexec
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return self._inner_hookexec(hook, methods, kwargs)
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def enable_tracing(self):
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""" enable tracing of hook calls and return an undo function. """
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hooktrace = self.hook._trace
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def before(hook, methods, kwargs):
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hooktrace.root.indent += 1
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hooktrace(hook.name, kwargs)
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def after(outcome, hook, methods, kwargs):
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if outcome.excinfo is None:
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hooktrace("finish", hook.name, "-->", outcome.result)
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hooktrace.root.indent -= 1
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return TracedHookExecution(self, before, after).undo
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def subset_hook_caller(self, name, remove_plugins):
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""" Return a new HookCaller instance for the named method
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which manages calls to all registered plugins except the
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ones from remove_plugins. """
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orig = getattr(self.hook, name)
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plugins_to_remove = [plugin for plugin in remove_plugins
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if hasattr(plugin, name)]
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if plugins_to_remove:
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hc = HookCaller(orig.name, orig._hookexec, orig._specmodule_or_class)
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for plugin in orig._plugins:
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if plugin not in plugins_to_remove:
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hc._add_plugin(plugin)
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# we also keep track of this hook caller so it
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# gets properly removed on plugin unregistration
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self._plugin2hookcallers.setdefault(plugin, []).append(hc)
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return hc
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return orig
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def register(self, plugin, name=None):
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""" Register a plugin and return its canonical name or None if the name
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is blocked from registering. Raise a ValueError if the plugin is already
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registered. """
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plugin_name = name or self.get_canonical_name(plugin)
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if plugin_name in self._name2plugin or plugin in self._plugin2hookcallers:
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if self._name2plugin.get(plugin_name, -1) is None:
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return # blocked plugin, return None to indicate no registration
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raise ValueError("Plugin already registered: %s=%s\n%s" %(
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plugin_name, plugin, self._name2plugin))
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self._name2plugin[plugin_name] = plugin
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# register prefix-matching hook specs of the plugin
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self._plugin2hookcallers[plugin] = hookcallers = []
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for name in dir(plugin):
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if name.startswith(self._prefix):
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hook = getattr(self.hook, name, None)
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if hook is None:
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if self._excludefunc is not None and self._excludefunc(name):
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continue
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hook = HookCaller(name, self._hookexec)
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setattr(self.hook, name, hook)
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elif hook.has_spec():
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self._verify_hook(hook, plugin)
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hook._maybe_apply_history(getattr(plugin, name))
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hookcallers.append(hook)
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hook._add_plugin(plugin)
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return plugin_name
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def unregister(self, plugin=None, name=None):
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""" unregister a plugin object and all its contained hook implementations
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from internal data structures. """
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if name is None:
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assert plugin is not None, "one of name or plugin needs to be specified"
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name = self.get_name(plugin)
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if plugin is None:
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plugin = self.get_plugin(name)
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# if self._name2plugin[name] == None registration was blocked: ignore
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if self._name2plugin.get(name):
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del self._name2plugin[name]
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for hookcaller in self._plugin2hookcallers.pop(plugin, []):
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hookcaller._remove_plugin(plugin)
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return plugin
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def set_blocked(self, name):
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""" block registrations of the given name, unregister if already registered. """
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self.unregister(name=name)
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self._name2plugin[name] = None
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def addhooks(self, module_or_class):
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""" add new hook definitions from the given module_or_class using
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the prefix/excludefunc with which the PluginManager was initialized. """
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names = []
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for name in dir(module_or_class):
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if name.startswith(self._prefix):
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hc = getattr(self.hook, name, None)
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if hc is None:
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hc = HookCaller(name, self._hookexec, module_or_class)
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setattr(self.hook, name, hc)
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else:
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# plugins registered this hook without knowing the spec
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hc.set_specification(module_or_class)
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for plugin in hc._plugins:
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self._verify_hook(hc, plugin)
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names.append(name)
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if not names:
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raise ValueError("did not find new %r hooks in %r"
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%(self._prefix, module_or_class))
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def get_plugins(self):
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""" return the set of registered plugins. """
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return set(self._plugin2hookcallers)
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def is_registered(self, plugin):
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""" Return True if the plugin is already registered. """
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return plugin in self._plugin2hookcallers
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def get_canonical_name(self, plugin):
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""" Return canonical name for a plugin object. Note that a plugin
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may be registered under a different name which was specified
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by the caller of register(plugin, name). To obtain the name
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of an registered plugin use ``get_name(plugin)`` instead."""
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return getattr(plugin, "__name__", None) or str(id(plugin))
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def get_plugin(self, name):
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""" Return a plugin or None for the given name. """
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return self._name2plugin.get(name)
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def get_name(self, plugin):
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""" Return name for registered plugin or None if not registered. """
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for name, val in self._name2plugin.items():
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if plugin == val:
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return name
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def _verify_hook(self, hook, plugin):
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method = getattr(plugin, hook.name)
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pluginname = self.get_name(plugin)
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if hook.is_historic() and hasattr(method, "hookwrapper"):
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raise PluginValidationError(
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"Plugin %r\nhook %r\nhistoric incompatible to hookwrapper" %(
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pluginname, hook.name))
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for arg in varnames(method):
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if arg not in hook.argnames:
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raise PluginValidationError(
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"Plugin %r\nhook %r\nargument %r not available\n"
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"plugin definition: %s\n"
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"available hookargs: %s" %(
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pluginname, hook.name, arg, formatdef(method),
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", ".join(hook.argnames)))
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def check_pending(self):
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""" Verify that all hooks which have not been verified against
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a hook specification are optional, otherwise raise PluginValidationError"""
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for name in self.hook.__dict__:
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if name.startswith(self._prefix):
|
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hook = getattr(self.hook, name)
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if not hook.has_spec():
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for plugin in hook._plugins:
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method = getattr(plugin, hook.name)
|
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if not getattr(method, "optionalhook", False):
|
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raise PluginValidationError(
|
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"unknown hook %r in plugin %r" %(name, plugin))
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def load_setuptools_entrypoints(self, entrypoint_name):
|
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""" Load modules from querying the specified setuptools entrypoint name.
|
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Return the number of loaded plugins. """
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||||
from pkg_resources import iter_entry_points, DistributionNotFound
|
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for ep in iter_entry_points(entrypoint_name):
|
||||
# is the plugin registered or blocked?
|
||||
if self.get_plugin(ep.name) or ep.name in self._name2plugin:
|
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continue
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try:
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||||
plugin = ep.load()
|
||||
except DistributionNotFound:
|
||||
continue
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||||
self.register(plugin, name=ep.name)
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||||
self._plugin_distinfo.append((ep.dist, plugin))
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||||
return len(self._plugin_distinfo)
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||||
|
||||
|
||||
class MultiCall:
|
||||
""" execute a call into multiple python functions/methods. """
|
||||
|
||||
# XXX note that the __multicall__ argument is supported only
|
||||
# for pytest compatibility reasons. It was never officially
|
||||
# supported there and is explicitely deprecated since 2.8
|
||||
# so we can remove it soon, allowing to avoid the below recursion
|
||||
# in execute() and simplify/speed up the execute loop.
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||||
|
||||
def __init__(self, methods, kwargs, firstresult=False):
|
||||
self.methods = methods
|
||||
self.kwargs = kwargs
|
||||
self.kwargs["__multicall__"] = self
|
||||
self.firstresult = firstresult
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||||
|
||||
def execute(self):
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||||
all_kwargs = self.kwargs
|
||||
self.results = results = []
|
||||
firstresult = self.firstresult
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||||
|
||||
while self.methods:
|
||||
method = self.methods.pop()
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||||
args = [all_kwargs[argname] for argname in varnames(method)]
|
||||
if hasattr(method, "hookwrapper"):
|
||||
return wrapped_call(method(*args), self.execute)
|
||||
res = method(*args)
|
||||
if res is not None:
|
||||
if firstresult:
|
||||
return res
|
||||
results.append(res)
|
||||
|
||||
if not firstresult:
|
||||
return results
|
||||
|
||||
def __repr__(self):
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||||
status = "%d meths" % (len(self.methods),)
|
||||
if hasattr(self, "results"):
|
||||
status = ("%d results, " % len(self.results)) + status
|
||||
return "<MultiCall %s, kwargs=%r>" %(status, self.kwargs)
|
||||
|
||||
|
||||
|
||||
def varnames(func, startindex=None):
|
||||
""" return argument name tuple for a function, method, class or callable.
|
||||
|
||||
In case of a class, its "__init__" method is considered.
|
||||
For methods the "self" parameter is not included unless you are passing
|
||||
an unbound method with Python3 (which has no supports for unbound methods)
|
||||
"""
|
||||
cache = getattr(func, "__dict__", {})
|
||||
try:
|
||||
return cache["_varnames"]
|
||||
except KeyError:
|
||||
pass
|
||||
if isclass(func):
|
||||
try:
|
||||
func = func.__init__
|
||||
except AttributeError:
|
||||
return ()
|
||||
startindex = 1
|
||||
else:
|
||||
if not isfunction(func) and not ismethod(func):
|
||||
func = getattr(func, '__call__', func)
|
||||
if startindex is None:
|
||||
startindex = int(ismethod(func))
|
||||
|
||||
rawcode = py.code.getrawcode(func)
|
||||
try:
|
||||
x = rawcode.co_varnames[startindex:rawcode.co_argcount]
|
||||
except AttributeError:
|
||||
x = ()
|
||||
else:
|
||||
defaults = func.__defaults__
|
||||
if defaults:
|
||||
x = x[:-len(defaults)]
|
||||
try:
|
||||
cache["_varnames"] = x
|
||||
except TypeError:
|
||||
pass
|
||||
return x
|
||||
|
||||
|
||||
class HookRelay:
|
||||
def __init__(self, trace):
|
||||
self._trace = trace
|
||||
|
||||
|
||||
class HookCaller(object):
|
||||
def __init__(self, name, hook_execute, specmodule_or_class=None):
|
||||
self.name = name
|
||||
self._plugins = []
|
||||
self._wrappers = []
|
||||
self._nonwrappers = []
|
||||
self._hookexec = hook_execute
|
||||
if specmodule_or_class is not None:
|
||||
self.set_specification(specmodule_or_class)
|
||||
|
||||
def has_spec(self):
|
||||
return hasattr(self, "_specmodule_or_class")
|
||||
|
||||
def set_specification(self, specmodule_or_class):
|
||||
assert not self.has_spec()
|
||||
self._specmodule_or_class = specmodule_or_class
|
||||
specfunc = getattr(specmodule_or_class, self.name)
|
||||
argnames = varnames(specfunc, startindex=isclass(specmodule_or_class))
|
||||
assert "self" not in argnames # sanity check
|
||||
self.argnames = ["__multicall__"] + list(argnames)
|
||||
self.firstresult = getattr(specfunc, 'firstresult', False)
|
||||
if hasattr(specfunc, "historic"):
|
||||
self._call_history = []
|
||||
|
||||
def is_historic(self):
|
||||
return hasattr(self, "_call_history")
|
||||
|
||||
def _remove_plugin(self, plugin):
|
||||
self._plugins.remove(plugin)
|
||||
meth = getattr(plugin, self.name)
|
||||
try:
|
||||
self._nonwrappers.remove(meth)
|
||||
except ValueError:
|
||||
self._wrappers.remove(meth)
|
||||
|
||||
def _add_plugin(self, plugin):
|
||||
self._plugins.append(plugin)
|
||||
self._add_method(getattr(plugin, self.name))
|
||||
|
||||
def _add_method(self, meth):
|
||||
if hasattr(meth, 'hookwrapper'):
|
||||
methods = self._wrappers
|
||||
else:
|
||||
methods = self._nonwrappers
|
||||
|
||||
if hasattr(meth, 'trylast'):
|
||||
methods.insert(0, meth)
|
||||
elif hasattr(meth, 'tryfirst'):
|
||||
methods.append(meth)
|
||||
else:
|
||||
# find last non-tryfirst method
|
||||
i = len(methods) - 1
|
||||
while i >= 0 and hasattr(methods[i], "tryfirst"):
|
||||
i -= 1
|
||||
methods.insert(i + 1, meth)
|
||||
|
||||
def __repr__(self):
|
||||
return "<HookCaller %r>" %(self.name,)
|
||||
|
||||
def __call__(self, **kwargs):
|
||||
assert not self.is_historic()
|
||||
return self._hookexec(self, self._nonwrappers + self._wrappers, kwargs)
|
||||
|
||||
def call_historic(self, proc=None, kwargs=None):
|
||||
self._call_history.append((kwargs or {}, proc))
|
||||
# historizing hooks don't return results
|
||||
self._hookexec(self, self._nonwrappers + self._wrappers, kwargs)
|
||||
|
||||
def call_extra(self, methods, kwargs):
|
||||
""" Call the hook with some additional temporarily participating
|
||||
methods using the specified kwargs as call parameters. """
|
||||
old = list(self._nonwrappers), list(self._wrappers)
|
||||
for method in methods:
|
||||
self._add_method(method)
|
||||
try:
|
||||
return self(**kwargs)
|
||||
finally:
|
||||
self._nonwrappers, self._wrappers = old
|
||||
|
||||
def _maybe_apply_history(self, method):
|
||||
if self.is_historic():
|
||||
for kwargs, proc in self._call_history:
|
||||
res = self._hookexec(self, [method], kwargs)
|
||||
if res and proc is not None:
|
||||
proc(res[0])
|
||||
|
||||
|
||||
class PluginValidationError(Exception):
|
||||
""" plugin failed validation. """
|
||||
|
||||
|
||||
def formatdef(func):
|
||||
return "%s%s" % (
|
||||
func.__name__,
|
||||
formatargspec(*getargspec(func))
|
||||
)
|
|
@ -4,6 +4,7 @@ import sys
|
|||
import pkgutil
|
||||
|
||||
import py
|
||||
import pluggy
|
||||
|
||||
import _pytest
|
||||
|
||||
|
@ -69,7 +70,7 @@ def pytest_cmdline_main(config):
|
|||
genscript = config.getvalue("genscript")
|
||||
if genscript:
|
||||
tw = py.io.TerminalWriter()
|
||||
deps = ['py', '_pytest', 'pytest']
|
||||
deps = ['py', '_pytest', 'pytest', 'pluggy']
|
||||
if sys.version_info < (2,7):
|
||||
deps.append("argparse")
|
||||
tw.line("generated script will run on python2.6-python3.3++")
|
||||
|
|
|
@ -1,6 +1,6 @@
|
|||
""" hook specifications for pytest plugins, invoked from main.py and builtin plugins. """
|
||||
|
||||
from _pytest.core import hookspec_opts
|
||||
from pluggy import hookspec_opts
|
||||
|
||||
# -------------------------------------------------------------------------
|
||||
# Initialization hooks called for every plugin
|
||||
|
|
|
@ -13,7 +13,7 @@ import subprocess
|
|||
import py
|
||||
import pytest
|
||||
from py.builtin import print_
|
||||
from _pytest.core import TracedHookExecution
|
||||
from pluggy import _TracedHookExecution
|
||||
|
||||
from _pytest.main import Session, EXIT_OK
|
||||
|
||||
|
@ -198,7 +198,7 @@ class HookRecorder:
|
|||
self.calls.append(ParsedCall(hook.name, kwargs))
|
||||
def after(outcome, hook, method, kwargs):
|
||||
pass
|
||||
executor = TracedHookExecution(pluginmanager, before, after)
|
||||
executor = _TracedHookExecution(pluginmanager, before, after)
|
||||
self._undo_wrapping = executor.undo
|
||||
|
||||
def finish_recording(self):
|
||||
|
|
|
@ -8,7 +8,11 @@ from _pytest.mark import MarkDecorator, MarkerError
|
|||
from py._code.code import TerminalRepr
|
||||
|
||||
import _pytest
|
||||
cutdir = py.path.local(_pytest.__file__).dirpath()
|
||||
import pluggy
|
||||
|
||||
cutdir2 = py.path.local(_pytest.__file__).dirpath()
|
||||
cutdir1 = py.path.local(pluggy.__file__.rstrip("oc"))
|
||||
|
||||
|
||||
NoneType = type(None)
|
||||
NOTSET = object()
|
||||
|
@ -18,6 +22,11 @@ callable = py.builtin.callable
|
|||
# used to work around a python2 exception info leak
|
||||
exc_clear = getattr(sys, 'exc_clear', lambda: None)
|
||||
|
||||
|
||||
def filter_traceback(entry):
|
||||
return entry.path != cutdir1 and not entry.path.relto(cutdir2)
|
||||
|
||||
|
||||
def getfslineno(obj):
|
||||
# xxx let decorators etc specify a sane ordering
|
||||
while hasattr(obj, "__wrapped__"):
|
||||
|
@ -604,7 +613,11 @@ class FunctionMixin(PyobjMixin):
|
|||
if ntraceback == traceback:
|
||||
ntraceback = ntraceback.cut(path=path)
|
||||
if ntraceback == traceback:
|
||||
ntraceback = ntraceback.cut(excludepath=cutdir)
|
||||
#ntraceback = ntraceback.cut(excludepath=cutdir2)
|
||||
ntraceback = ntraceback.filter(filter_traceback)
|
||||
if not ntraceback:
|
||||
ntraceback = traceback
|
||||
|
||||
excinfo.traceback = ntraceback.filter()
|
||||
# issue364: mark all but first and last frames to
|
||||
# only show a single-line message for each frame
|
||||
|
|
|
@ -12,7 +12,7 @@ if __name__ == '__main__': # if run as a script or by 'python -m pytest'
|
|||
# else we are imported
|
||||
|
||||
from _pytest.config import main, UsageError, _preloadplugins, cmdline
|
||||
from _pytest.core import hookspec_opts, hookimpl_opts
|
||||
from pluggy import hookspec_opts, hookimpl_opts
|
||||
from _pytest import __version__
|
||||
|
||||
_preloadplugins() # to populate pytest.* namespace so help(pytest) works
|
||||
|
|
2
setup.py
2
setup.py
|
@ -48,7 +48,7 @@ def has_environment_marker_support():
|
|||
|
||||
|
||||
def main():
|
||||
install_requires = ['py>=1.4.27.dev2']
|
||||
install_requires = ['py>=1.4.27.dev2', 'pluggy>=0.1.0,<0.2.0']
|
||||
extras_require = {}
|
||||
if has_environment_marker_support():
|
||||
extras_require[':python_version=="2.6" or python_version=="3.0" or python_version=="3.1"'] = ['argparse']
|
||||
|
|
1050
testing/test_core.py
1050
testing/test_core.py
File diff suppressed because it is too large
Load Diff
|
@ -0,0 +1,311 @@
|
|||
import pytest
|
||||
import py
|
||||
import os
|
||||
|
||||
from _pytest.config import get_config, PytestPluginManager
|
||||
|
||||
@pytest.fixture
|
||||
def pytestpm():
|
||||
return PytestPluginManager()
|
||||
|
||||
class TestPytestPluginInteractions:
|
||||
def test_addhooks_conftestplugin(self, testdir):
|
||||
testdir.makepyfile(newhooks="""
|
||||
def pytest_myhook(xyz):
|
||||
"new hook"
|
||||
""")
|
||||
conf = testdir.makeconftest("""
|
||||
import sys ; sys.path.insert(0, '.')
|
||||
import newhooks
|
||||
def pytest_addhooks(pluginmanager):
|
||||
pluginmanager.addhooks(newhooks)
|
||||
def pytest_myhook(xyz):
|
||||
return xyz + 1
|
||||
""")
|
||||
config = get_config()
|
||||
pm = config.pluginmanager
|
||||
pm.hook.pytest_addhooks.call_historic(
|
||||
kwargs=dict(pluginmanager=config.pluginmanager))
|
||||
config.pluginmanager._importconftest(conf)
|
||||
#print(config.pluginmanager.get_plugins())
|
||||
res = config.hook.pytest_myhook(xyz=10)
|
||||
assert res == [11]
|
||||
|
||||
def test_addhooks_nohooks(self, testdir):
|
||||
testdir.makeconftest("""
|
||||
import sys
|
||||
def pytest_addhooks(pluginmanager):
|
||||
pluginmanager.addhooks(sys)
|
||||
""")
|
||||
res = testdir.runpytest()
|
||||
assert res.ret != 0
|
||||
res.stderr.fnmatch_lines([
|
||||
"*did not find*sys*"
|
||||
])
|
||||
|
||||
def test_namespace_early_from_import(self, testdir):
|
||||
p = testdir.makepyfile("""
|
||||
from pytest import Item
|
||||
from pytest import Item as Item2
|
||||
assert Item is Item2
|
||||
""")
|
||||
result = testdir.runpython(p)
|
||||
assert result.ret == 0
|
||||
|
||||
def test_do_ext_namespace(self, testdir):
|
||||
testdir.makeconftest("""
|
||||
def pytest_namespace():
|
||||
return {'hello': 'world'}
|
||||
""")
|
||||
p = testdir.makepyfile("""
|
||||
from pytest import hello
|
||||
import pytest
|
||||
def test_hello():
|
||||
assert hello == "world"
|
||||
assert 'hello' in pytest.__all__
|
||||
""")
|
||||
reprec = testdir.inline_run(p)
|
||||
reprec.assertoutcome(passed=1)
|
||||
|
||||
def test_do_option_postinitialize(self, testdir):
|
||||
config = testdir.parseconfigure()
|
||||
assert not hasattr(config.option, 'test123')
|
||||
p = testdir.makepyfile("""
|
||||
def pytest_addoption(parser):
|
||||
parser.addoption('--test123', action="store_true",
|
||||
default=True)
|
||||
""")
|
||||
config.pluginmanager._importconftest(p)
|
||||
assert config.option.test123
|
||||
|
||||
def test_configure(self, testdir):
|
||||
config = testdir.parseconfig()
|
||||
l = []
|
||||
class A:
|
||||
def pytest_configure(self, config):
|
||||
l.append(self)
|
||||
|
||||
config.pluginmanager.register(A())
|
||||
assert len(l) == 0
|
||||
config._do_configure()
|
||||
assert len(l) == 1
|
||||
config.pluginmanager.register(A()) # leads to a configured() plugin
|
||||
assert len(l) == 2
|
||||
assert l[0] != l[1]
|
||||
|
||||
config._ensure_unconfigure()
|
||||
config.pluginmanager.register(A())
|
||||
assert len(l) == 2
|
||||
|
||||
def test_hook_tracing(self):
|
||||
pytestpm = get_config().pluginmanager # fully initialized with plugins
|
||||
saveindent = []
|
||||
class api1:
|
||||
def pytest_plugin_registered(self):
|
||||
saveindent.append(pytestpm.trace.root.indent)
|
||||
class api2:
|
||||
def pytest_plugin_registered(self):
|
||||
saveindent.append(pytestpm.trace.root.indent)
|
||||
raise ValueError()
|
||||
l = []
|
||||
pytestpm.trace.root.setwriter(l.append)
|
||||
undo = pytestpm.enable_tracing()
|
||||
try:
|
||||
indent = pytestpm.trace.root.indent
|
||||
p = api1()
|
||||
pytestpm.register(p)
|
||||
assert pytestpm.trace.root.indent == indent
|
||||
assert len(l) >= 2
|
||||
assert 'pytest_plugin_registered' in l[0]
|
||||
assert 'finish' in l[1]
|
||||
|
||||
l[:] = []
|
||||
with pytest.raises(ValueError):
|
||||
pytestpm.register(api2())
|
||||
assert pytestpm.trace.root.indent == indent
|
||||
assert saveindent[0] > indent
|
||||
finally:
|
||||
undo()
|
||||
|
||||
def test_warn_on_deprecated_multicall(self, pytestpm):
|
||||
class Plugin:
|
||||
def pytest_configure(self, __multicall__):
|
||||
pass
|
||||
|
||||
before = list(pytestpm._warnings)
|
||||
pytestpm.register(Plugin())
|
||||
assert len(pytestpm._warnings) == len(before) + 1
|
||||
assert "deprecated" in pytestpm._warnings[-1]["message"]
|
||||
|
||||
|
||||
def test_namespace_has_default_and_env_plugins(testdir):
|
||||
p = testdir.makepyfile("""
|
||||
import pytest
|
||||
pytest.mark
|
||||
""")
|
||||
result = testdir.runpython(p)
|
||||
assert result.ret == 0
|
||||
|
||||
def test_default_markers(testdir):
|
||||
result = testdir.runpytest("--markers")
|
||||
result.stdout.fnmatch_lines([
|
||||
"*tryfirst*first*",
|
||||
"*trylast*last*",
|
||||
])
|
||||
|
||||
def test_importplugin_issue375(testdir, pytestpm):
|
||||
testdir.syspathinsert(testdir.tmpdir)
|
||||
testdir.makepyfile(qwe="import aaaa")
|
||||
with pytest.raises(ImportError) as excinfo:
|
||||
pytestpm.import_plugin("qwe")
|
||||
assert "qwe" not in str(excinfo.value)
|
||||
assert "aaaa" in str(excinfo.value)
|
||||
|
||||
|
||||
class TestPytestPluginManager:
|
||||
def test_register_imported_modules(self):
|
||||
pm = PytestPluginManager()
|
||||
mod = py.std.types.ModuleType("x.y.pytest_hello")
|
||||
pm.register(mod)
|
||||
assert pm.is_registered(mod)
|
||||
l = pm.get_plugins()
|
||||
assert mod in l
|
||||
pytest.raises(ValueError, "pm.register(mod)")
|
||||
pytest.raises(ValueError, lambda: pm.register(mod))
|
||||
#assert not pm.is_registered(mod2)
|
||||
assert pm.get_plugins() == l
|
||||
|
||||
def test_canonical_import(self, monkeypatch):
|
||||
mod = py.std.types.ModuleType("pytest_xyz")
|
||||
monkeypatch.setitem(py.std.sys.modules, 'pytest_xyz', mod)
|
||||
pm = PytestPluginManager()
|
||||
pm.import_plugin('pytest_xyz')
|
||||
assert pm.get_plugin('pytest_xyz') == mod
|
||||
assert pm.is_registered(mod)
|
||||
|
||||
def test_consider_module(self, testdir, pytestpm):
|
||||
testdir.syspathinsert()
|
||||
testdir.makepyfile(pytest_p1="#")
|
||||
testdir.makepyfile(pytest_p2="#")
|
||||
mod = py.std.types.ModuleType("temp")
|
||||
mod.pytest_plugins = ["pytest_p1", "pytest_p2"]
|
||||
pytestpm.consider_module(mod)
|
||||
assert pytestpm.get_plugin("pytest_p1").__name__ == "pytest_p1"
|
||||
assert pytestpm.get_plugin("pytest_p2").__name__ == "pytest_p2"
|
||||
|
||||
def test_consider_module_import_module(self, testdir):
|
||||
pytestpm = get_config().pluginmanager
|
||||
mod = py.std.types.ModuleType("x")
|
||||
mod.pytest_plugins = "pytest_a"
|
||||
aplugin = testdir.makepyfile(pytest_a="#")
|
||||
reprec = testdir.make_hook_recorder(pytestpm)
|
||||
#syspath.prepend(aplugin.dirpath())
|
||||
py.std.sys.path.insert(0, str(aplugin.dirpath()))
|
||||
pytestpm.consider_module(mod)
|
||||
call = reprec.getcall(pytestpm.hook.pytest_plugin_registered.name)
|
||||
assert call.plugin.__name__ == "pytest_a"
|
||||
|
||||
# check that it is not registered twice
|
||||
pytestpm.consider_module(mod)
|
||||
l = reprec.getcalls("pytest_plugin_registered")
|
||||
assert len(l) == 1
|
||||
|
||||
def test_consider_env_fails_to_import(self, monkeypatch, pytestpm):
|
||||
monkeypatch.setenv('PYTEST_PLUGINS', 'nonexisting', prepend=",")
|
||||
with pytest.raises(ImportError):
|
||||
pytestpm.consider_env()
|
||||
|
||||
def test_plugin_skip(self, testdir, monkeypatch):
|
||||
p = testdir.makepyfile(skipping1="""
|
||||
import pytest
|
||||
pytest.skip("hello")
|
||||
""")
|
||||
p.copy(p.dirpath("skipping2.py"))
|
||||
monkeypatch.setenv("PYTEST_PLUGINS", "skipping2")
|
||||
result = testdir.runpytest("-rw", "-p", "skipping1", syspathinsert=True)
|
||||
assert result.ret == 0
|
||||
result.stdout.fnmatch_lines([
|
||||
"WI1*skipped plugin*skipping1*hello*",
|
||||
"WI1*skipped plugin*skipping2*hello*",
|
||||
])
|
||||
|
||||
def test_consider_env_plugin_instantiation(self, testdir, monkeypatch, pytestpm):
|
||||
testdir.syspathinsert()
|
||||
testdir.makepyfile(xy123="#")
|
||||
monkeypatch.setitem(os.environ, 'PYTEST_PLUGINS', 'xy123')
|
||||
l1 = len(pytestpm.get_plugins())
|
||||
pytestpm.consider_env()
|
||||
l2 = len(pytestpm.get_plugins())
|
||||
assert l2 == l1 + 1
|
||||
assert pytestpm.get_plugin('xy123')
|
||||
pytestpm.consider_env()
|
||||
l3 = len(pytestpm.get_plugins())
|
||||
assert l2 == l3
|
||||
|
||||
def test_pluginmanager_ENV_startup(self, testdir, monkeypatch):
|
||||
testdir.makepyfile(pytest_x500="#")
|
||||
p = testdir.makepyfile("""
|
||||
import pytest
|
||||
def test_hello(pytestconfig):
|
||||
plugin = pytestconfig.pluginmanager.get_plugin('pytest_x500')
|
||||
assert plugin is not None
|
||||
""")
|
||||
monkeypatch.setenv('PYTEST_PLUGINS', 'pytest_x500', prepend=",")
|
||||
result = testdir.runpytest(p, syspathinsert=True)
|
||||
assert result.ret == 0
|
||||
result.stdout.fnmatch_lines(["*1 passed*"])
|
||||
|
||||
def test_import_plugin_importname(self, testdir, pytestpm):
|
||||
pytest.raises(ImportError, 'pytestpm.import_plugin("qweqwex.y")')
|
||||
pytest.raises(ImportError, 'pytestpm.import_plugin("pytest_qweqwx.y")')
|
||||
|
||||
testdir.syspathinsert()
|
||||
pluginname = "pytest_hello"
|
||||
testdir.makepyfile(**{pluginname: ""})
|
||||
pytestpm.import_plugin("pytest_hello")
|
||||
len1 = len(pytestpm.get_plugins())
|
||||
pytestpm.import_plugin("pytest_hello")
|
||||
len2 = len(pytestpm.get_plugins())
|
||||
assert len1 == len2
|
||||
plugin1 = pytestpm.get_plugin("pytest_hello")
|
||||
assert plugin1.__name__.endswith('pytest_hello')
|
||||
plugin2 = pytestpm.get_plugin("pytest_hello")
|
||||
assert plugin2 is plugin1
|
||||
|
||||
def test_import_plugin_dotted_name(self, testdir, pytestpm):
|
||||
pytest.raises(ImportError, 'pytestpm.import_plugin("qweqwex.y")')
|
||||
pytest.raises(ImportError, 'pytestpm.import_plugin("pytest_qweqwex.y")')
|
||||
|
||||
testdir.syspathinsert()
|
||||
testdir.mkpydir("pkg").join("plug.py").write("x=3")
|
||||
pluginname = "pkg.plug"
|
||||
pytestpm.import_plugin(pluginname)
|
||||
mod = pytestpm.get_plugin("pkg.plug")
|
||||
assert mod.x == 3
|
||||
|
||||
def test_consider_conftest_deps(self, testdir, pytestpm):
|
||||
mod = testdir.makepyfile("pytest_plugins='xyz'").pyimport()
|
||||
with pytest.raises(ImportError):
|
||||
pytestpm.consider_conftest(mod)
|
||||
|
||||
|
||||
class TestPytestPluginManagerBootstrapming:
|
||||
def test_preparse_args(self, pytestpm):
|
||||
pytest.raises(ImportError, lambda:
|
||||
pytestpm.consider_preparse(["xyz", "-p", "hello123"]))
|
||||
|
||||
def test_plugin_prevent_register(self, pytestpm):
|
||||
pytestpm.consider_preparse(["xyz", "-p", "no:abc"])
|
||||
l1 = pytestpm.get_plugins()
|
||||
pytestpm.register(42, name="abc")
|
||||
l2 = pytestpm.get_plugins()
|
||||
assert len(l2) == len(l1)
|
||||
assert 42 not in l2
|
||||
|
||||
def test_plugin_prevent_register_unregistered_alredy_registered(self, pytestpm):
|
||||
pytestpm.register(42, name="abc")
|
||||
l1 = pytestpm.get_plugins()
|
||||
assert 42 in l1
|
||||
pytestpm.consider_preparse(["xyz", "-p", "no:abc"])
|
||||
l2 = pytestpm.get_plugins()
|
||||
assert 42 not in l2
|
Loading…
Reference in New Issue