test_ok1/py/apigen/tracer/permastore.py

107 lines
3.2 KiB
Python

import py
class DescPlaceholder(object):
pass
class ClassPlaceholder(object):
pass
class SerialisableClassDesc(object):
def __init__(self, original_desc):
self.is_degenerated = original_desc.is_degenerated
self.name = original_desc.name
class PermaDocStorage(object):
""" Picklable version of docstorageaccessor
"""
function_fields = ['source', 'signature', 'definition', 'callpoints',
'local_changes', 'exceptions']
def __init__(self, dsa):
""" Initialise from original doc storage accessor
"""
self.names = {}
self.module_info = dsa.get_module_info()
self.module_name = dsa.get_module_name()
self._save_functions(dsa)
self._save_classes(dsa)
def _save_functions(self, dsa):
names = dsa.get_function_names()
self.function_names = names
for name in names:
self._save_function(dsa, name)
def _save_function(self, dsa, name):
ph = DescPlaceholder()
ph.__doc__ = dsa.get_doc(name)
for field in self.function_fields:
setattr(ph, field, getattr(dsa, 'get_function_%s' % field)(name))
self.names[name] = ph
return ph
def _save_classes(self, dsa):
names = dsa.get_class_names()
self.class_names = names
for name in names:
ph = ClassPlaceholder()
ph.__doc__ = dsa.get_doc(name)
methods = dsa.get_class_methods(name)
ph.methods = methods
ph.base_classes = [SerialisableClassDesc(i) for i in
dsa.get_possible_base_classes(name)]
for method in methods:
method_name = name + "." + method
mh = self._save_function(dsa, name + "." + method)
mh.origin = SerialisableClassDesc(dsa.get_method_origin(
method_name))
self.names[name] = ph
def get_class_methods(self, name):
desc = self.names[name]
assert isinstance(desc, ClassPlaceholder)
return desc.methods
def get_doc(self, name):
return self.names[name].__doc__
def get_module_info(self):
return self.module_info
def get_module_name(self):
return self.module_name
def get_class_names(self):
return self.class_names
def get_function_names(self):
return self.function_names
def get_method_origin(self, name):
# returns a DESCRIPTION of a method origin, to make sure where we
# write it
return self.names[name].origin
def get_possible_base_classes(self, name):
# returns list of descs of base classes
return self.names[name].base_classes
# This are placeholders to provide something more reliable
def get_type_desc(self, _type):
return None
#def get_obj(self, name):
# This is quite hairy, get rid of it soon
# # returns a pyobj
# pass
for field in PermaDocStorage.function_fields:
d = {"field": field}
func_name = "get_function_%s" % (field, )
exec py.code.Source("""
def %s(self, name, field=field):
return getattr(self.names[name], field)
""" % (func_name, )).compile() in d
setattr(PermaDocStorage, func_name, d[func_name])