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Initial priority implementation

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- Fixed up some of the signal map for instrumentation
- Changed how priorites are specified -- no longer method name prefixes
  but dedicated decorators, including an easy way of specifying a custom
  priority level (no longer need to manually connect signals)
- Updated ExecutionTimeInstrument to work with the new system
- Also removed some dead code
This commit is contained in:
Sergei Trofimov
2017-03-17 15:57:05 +00:00
parent 4287e90153
commit c5cd2b9298
8 changed files with 144 additions and 291 deletions
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49
wa/framework/plugin.py
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@@ -279,7 +279,6 @@ class PluginMeta(type):
mcs._propagate_attributes(bases, attrs, clsname)
cls = type.__new__(mcs, clsname, bases, attrs)
mcs._setup_aliases(cls)
mcs._implement_virtual(cls, bases)
return cls
@classmethod
@@ -324,48 +323,6 @@ class PluginMeta(type):
alias.plugin_name = cls.name
cls.aliases.add(alias)
@classmethod
def _implement_virtual(mcs, cls, bases):
"""
This implements automatic method propagation to the bases, so
that you don't have to do something like
super(cls, self).vmname()
This also ensures that the methods that have beend identified as
"globally virtual" are executed exactly once per WA execution, even if
invoked through instances of different subclasses
"""
methods = {}
called_globals = set()
for vmname in mcs.virtual_methods:
clsmethod = getattr(cls, vmname, None)
if clsmethod:
basemethods = [getattr(b, vmname) for b in bases
if hasattr(b, vmname)]
methods[vmname] = [bm for bm in basemethods if bm != clsmethod]
methods[vmname].append(clsmethod)
def generate_method_wrapper(vname): # pylint: disable=unused-argument
# this creates a closure with the method name so that it
# does not need to be passed to the wrapper as an argument,
# leaving the wrapper to accept exactly the same set of
# arguments as the method it is wrapping.
name__ = vmname # pylint: disable=cell-var-from-loop
def wrapper(self, *args, **kwargs):
for dm in methods[name__]:
if name__ in mcs.global_virtuals:
if dm not in called_globals:
dm(self, *args, **kwargs)
called_globals.add(dm)
else:
dm(self, *args, **kwargs)
return wrapper
setattr(cls, vmname, generate_method_wrapper(vmname))
class Plugin(object):
"""
@@ -444,12 +401,6 @@ class Plugin(object):
for param in self.parameters:
param.validate(self)
def initialize(self, context):
pass
def finalize(self, context):
pass
def check_artifacts(self, context, level):
"""
Make sure that all mandatory artifacts have been generated.