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Add ability to make properties from PyMethods too if suitable ones are present.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@69631 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robin Dunn
2011-11-02 03:36:40 +00:00
parent 987e39ae45
commit a69a655a47
1 changed files with 62 additions and 22 deletions
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84
etgtools/extractors.py
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@@ -594,45 +594,85 @@ class ClassDef(BaseDef):
def includeCppCode(self, filename):
self.addCppCode(file(filename).read())
def addAutoProperties(self):
"""
Look at MethodDef and PyMethodDef items and generate properties if
there are items that have Get/Set prefixes and have appropriate arg
counts.
"""
def countNonDefaultArgs(m):
count = 0
for p in m.items:
if not p.default and not p.ignored:
count += 1
return count
def countPyArgs(item):
count = 0
args = item.argsString.replace('(', '').replace(')', '')
for arg in args.split(','):
if arg != 'self':
count += 1
return count
def countPyNonDefaultArgs(item):
count = 0
args = item.argsString.replace('(', '').replace(')', '')
for arg in args.split(','):
if arg != 'self' and '=' not in arg:
count += 1
return count
props = dict()
for item in self.items:
if isinstance(item, MethodDef) and item.name not in ['Get', 'Set'] \
if isinstance(item, (MethodDef, PyMethodDef)) \
and item.name not in ['Get', 'Set'] \
and (item.name.startswith('Get') or item.name.startswith('Set')):
prefix = item.name[:3]
name = item.name[3:]
prop = props.get(name, PropertyDef(name))
# look at all overloads
ok = False
for m in item.all():
# don't use ignored or static methods for propertiess
if m.ignored or m.isStatic:
continue
if prefix == 'Get':
prop.getter = m.name
# Getters must be able to be called with no args, ensure
# that item has exactly zero args without a default value
if countNonDefaultArgs(m) != 0:
continue
if isinstance(item, PyMethodDef):
ok = False
argCount = countPyArgs(item)
nonDefaultArgCount = countPyNonDefaultArgs(item)
if prefix == 'Get' and argCount == 0:
ok = True
break
elif prefix == 'Set':
prop.setter = m.name
# Setters must be able to be called with 1 arg, ensure
# that item has at least 1 arg and not more than 1 without
# a default value.
if len(m.items) == 0 or countNonDefaultArgs(m) > 1:
continue
prop.getter = item.name
prop.usesPyMethod = True
elif prefix == 'Set'and \
(nonDefaultArgCount == 1 or (nonDefaultArgCount == 0 and argCount > 0)):
ok = True
break
prop.setter = item.name
prop.usesPyMethod = True
else:
# look at all overloads
ok = False
for m in item.all():
# don't use ignored or static methods for propertiess
if m.ignored or m.isStatic:
continue
if prefix == 'Get':
prop.getter = m.name
# Getters must be able to be called with no args, ensure
# that item has exactly zero args without a default value
if countNonDefaultArgs(m) != 0:
continue
ok = True
break
elif prefix == 'Set':
prop.setter = m.name
# Setters must be able to be called with 1 arg, ensure
# that item has at least 1 arg and not more than 1 without
# a default value.
if len(m.items) == 0 or countNonDefaultArgs(m) > 1:
continue
ok = True
break
if ok:
if hasattr(prop, 'usesPyMethod'):
prop = PyPropertyDef(prop.name, prop.getter, prop.setter)
props[name] = prop
if props: