def _handleNestedCode(func_code, code, codeSource):
"""
@param func_code: the code object for the nested code
@type func_code: L{types.CodeType}
@param code: the parent code in which the code is nested
@type code: L{CodeChecks.Code}
@type codeSource: L{Codechecks.CodeSource}
"""
nested = not (codeSource.main or codeSource.in_class)
if func_code.co_name == utils.LAMBDA or nested:
utils.debug(' handling nested code %s under %r for %r',
func_code.co_name, codeSource.func, code.func)
varnames = None
if nested and func_code.co_name != utils.LAMBDA:
varnames = func_code.co_varnames + \
codeSource.calling_code[-1].function.func_code.co_varnames
# save the original func return value and restore after checking
func = code.func
returnValues = code.returnValues
# we don't want suppressions from nested code to bleed into the
# containing code block, or the next nested code on the same level
utils.pushConfig()
code.init(
function.create_fake(func_code.co_name, func_code, {}, varnames))
_checkCode(code, codeSource)
utils.popConfig()
# restore
code.init(func)
code.returnValues = returnValues
def _handleNestedCode(func_code, code, codeSource):
"""
@param func_code: the code object for the nested code
@type func_code: L{types.CodeType}
@param code: the parent code in which the code is nested
@type code: L{CodeChecks.Code}
@type codeSource: L{Codechecks.CodeSource}
"""
nested = not (codeSource.main or codeSource.in_class)
if func_code.co_name == utils.LAMBDA or nested:
utils.debug(' handling nested code %s under %r for %r',
func_code.co_name, codeSource.func, code.func)
varnames = None
if nested and func_code.co_name != utils.LAMBDA:
varnames = func_code.co_varnames + \
codeSource.calling_code[-1].function.func_code.co_varnames
# save the original func return value and restore after checking
func = code.func
returnValues = code.returnValues
# we don't want suppressions from nested code to bleed into the
# containing code block, or the next nested code on the same level
utils.pushConfig()
code.init(function.create_fake(func_code.co_name, func_code, {},
varnames))
_checkCode(code, codeSource)
utils.popConfig()
# restore
code.init(func)
code.returnValues = returnValues
def _handleNestedCode(func_code, code, codeSource):
nested = not (codeSource.main or codeSource.in_class)
if func_code.co_name == utils.LAMBDA or nested:
utils.debug(' handling nested code')
varnames = None
if nested and func_code.co_name != utils.LAMBDA:
varnames = func_code.co_varnames + \
codeSource.calling_code[-1].function.func_code.co_varnames
# save the original return value and restore after checking
returnValues = code.returnValues
code.init(function.create_fake(func_code.co_name, func_code, {},
varnames))
_checkCode(code, codeSource)
code.returnValues = returnValues
def _handleNestedCode(func_code, code, codeSource):
nested = not (codeSource.main or codeSource.in_class)
if func_code.co_name == utils.LAMBDA or nested:
utils.debug(' handling nested code')
varnames = None
if nested and func_code.co_name != utils.LAMBDA:
varnames = func_code.co_varnames + \
codeSource.calling_code[-1].function.func_code.co_varnames
# save the original return value and restore after checking
returnValues = code.returnValues
code.init(
function.create_fake(func_code.co_name, func_code, {}, varnames))
_checkCode(code, codeSource)
code.returnValues = returnValues
def _handleNestedCode(func_code, code, codeSource):
nested = not (codeSource.main or codeSource.in_class)
if func_code.co_name == utils.LAMBDA or nested:
utils.debug(' handling nested code %s under %r',
func_code.co_name, codeSource.func)
varnames = None
if nested and func_code.co_name != utils.LAMBDA:
varnames = func_code.co_varnames + \
codeSource.calling_code[-1].function.func_code.co_varnames
# save the original return value and restore after checking
returnValues = code.returnValues
# we don't want suppressions from nested code to bleed into the
# containing code block, or the next nested code on the same level
utils.pushConfig()
code.init(function.create_fake(func_code.co_name, func_code, {},
varnames))
_checkCode(code, codeSource)
utils.popConfig()
code.returnValues = returnValues
def _findClassWarnings(module, c, class_code,
globalRefs, warnings, suppressions) :
try:
className = utils.safestr(c.classObject)
except TypeError:
# goofy __getattr__
return
classSuppress = getSuppression(className, suppressions, warnings)
baseClasses = c.allBaseClasses()
for base in baseClasses :
baseModule = utils.safestr(base)
if '.' in baseModule :
# make sure we handle import x.y.z
packages = string.split(baseModule, '.')
baseModuleDir = string.join(packages[:-1], '.')
globalRefs[baseModuleDir] = baseModule
# handle class variables
if class_code is not None :
func = function.create_fake(c.name, class_code)
_updateFunctionWarnings(module, func, c, warnings, globalRefs, 0, 1)
filename = module.filename()
func_code = None
for method in c.methods.values() :
if method == None :
continue
func_code = method.function.func_code
utils.debug("method:", func_code)
try:
name = utils.safestr(c.classObject) + '.' + method.function.func_name
except AttributeError:
# func_name may not exist
continue
methodSuppress = getSuppression(name, suppressions, warnings)
if cfg().checkSpecialMethods:
funcname = method.function.func_name
if funcname[:2] == '__' == funcname[-2:] and \
funcname != '__init__':
err = None
argCount = python.SPECIAL_METHODS.get(funcname, -1)
if argCount != -1:
# if the args are None, it can be any # of args
if argCount is not None:
minArgs = maxArgs = argCount
err = CodeChecks.getFunctionArgErr(funcname,
func_code.co_argcount, minArgs, maxArgs)
else:
err = msgs.NOT_SPECIAL_METHOD % funcname
if err is not None:
warnings.append(Warning(filename, func_code, err))
if cfg().checkOverridenMethods :
_checkOverridenMethods(method.function, baseClasses, warnings)
if cfg().noDocFunc and method.function.__doc__ == None :
err = msgs.NO_FUNC_DOC % method.function.__name__
# FIXME: is there a good reason why this passes func_code as line ?
warnings.append(Warning(filename, func_code, err))
_checkSelfArg(method, warnings)
tmpModule = _getModuleFromFilename(module, func_code.co_filename)
funcInfo = _updateFunctionWarnings(tmpModule, method, c, warnings, globalRefs)
if func_code.co_name == utils.INIT :
# this is a constructor
if utils.INIT in dir(c.classObject) :
warns = _checkBaseClassInit(filename, c, func_code, funcInfo)
warnings.extend(warns)
elif cfg().initDefinedInSubclass :
err = msgs.NO_INIT_IN_SUBCLASS % c.name
warnings.append(Warning(filename, c.getFirstLine(), err))
if methodSuppress is not None :
utils.popConfig()
if c.memberRefs and cfg().membersUsed :
memberList = c.memberRefs.keys()
memberList.sort()
err = msgs.UNUSED_MEMBERS % (string.join(memberList, ', '), c.name)
warnings.append(Warning(filename, c.getFirstLine(), err))
try:
newStyleClass = issubclass(c.classObject, object)
except TypeError:
# FIXME: perhaps this should warn b/c it may be a class???
newStyleClass = 0
slots = c.statics.get('__slots__')
if slots is not None and cfg().slots:
lineNum = c.lineNums['__slots__']
if not newStyleClass:
err = msgs.USING_SLOTS_IN_CLASSIC_CLASS % c.name
warnings.append(Warning(filename, lineNum, err))
elif cfg().emptySlots:
try:
if len(slots.data) == 0:
err = msgs.EMPTY_SLOTS % c.name
warnings.append(Warning(filename, lineNum, err))
except AttributeError:
# happens when slots is an instance of a class w/o __len__
pass
if not newStyleClass and property is not None and cfg().classicProperties:
for static in c.statics.keys():
if type(getattr(c.classObject, static, None)) == property:
err = msgs.USING_PROPERTIES_IN_CLASSIC_CLASS % (static, c.name)
warnings.append(Warning(filename, c.lineNums[static], err))
coerceMethod = c.methods.get('__coerce__')
if newStyleClass and coerceMethod:
lineNum = coerceMethod.function.func_code.co_firstlineno
err = msgs.USING_COERCE_IN_NEW_CLASS % c.name
warnings.append(Warning(filename, lineNum, err))
for newClassMethodName in python.NEW_STYLE_CLASS_METHODS:
newClassMethod = c.methods.get(newClassMethodName)
if not newStyleClass and newClassMethod:
lineNum = newClassMethod.function.func_code.co_firstlineno
err = msgs.USING_NEW_STYLE_METHOD_IN_OLD_CLASS % (newClassMethodName, c.name)
warnings.append(Warning(filename, lineNum, err))
if cfg().noDocClass and c.classObject.__doc__ == None :
method = c.methods.get(utils.INIT, None)
if method != None :
func_code = method.function.func_code
# FIXME: check to make sure this is in our file,
# not a base class file???
err = msgs.NO_CLASS_DOC % c.classObject.__name__
warnings.append(Warning(filename, func_code, err))
# we have to do this here, b/c checkFunction doesn't popConfig for classes
# this allows us to have __pychecker__ apply to all methods
# when defined at class scope
if class_code is not None :
utils.popConfig()
if classSuppress is not None :
utils.popConfig()
def _findClassWarnings(module, c, class_code,
globalRefs, warnings, suppressions) :
utils.debug("class:", class_code)
try:
className = utils.safestr(c.classObject)
except TypeError:
# goofy __getattr__
return
classSuppress = getSuppression(className, suppressions, warnings)
baseClasses = c.allBaseClasses()
for base in baseClasses :
baseModule = utils.safestr(base)
if '.' in baseModule :
# make sure we handle import x.y.z
packages = string.split(baseModule, '.')
baseModuleDir = string.join(packages[:-1], '.')
globalRefs[baseModuleDir] = baseModule
# handle class variables
if class_code is not None :
func = function.create_fake(c.name, class_code)
_updateFunctionWarnings(module, func, c, warnings, globalRefs, 0, 1)
filename = module.filename()
func_code = None
for method in c.methods.values() :
if method == None :
continue
func_code = method.function.func_code
utils.debug("class %s: method:" % className, func_code)
try:
name = utils.safestr(c.classObject) + '.' + method.function.func_name
except AttributeError:
# func_name may not exist
continue
methodSuppress = getSuppression(name, suppressions, warnings)
if cfg().checkSpecialMethods:
funcname = method.function.func_name
if funcname[:2] == '__' == funcname[-2:] and \
funcname != '__init__':
err = None
argCount = python.SPECIAL_METHODS.get(funcname, -1)
if argCount != -1:
# if the args are None, it can be any # of args
if argCount is not None:
minArgs = maxArgs = argCount
err = CodeChecks.getFunctionArgErr(funcname,
func_code.co_argcount, minArgs, maxArgs)
else:
err = msgs.NOT_SPECIAL_METHOD % funcname
if err is not None:
warnings.append(Warning(filename, func_code, err))
if cfg().checkOverridenMethods :
_checkOverridenMethods(method.function, baseClasses, warnings)
if cfg().noDocFunc and method.function.__doc__ == None :
err = msgs.NO_FUNC_DOC % method.function.__name__
# FIXME: is there a good reason why this passes func_code as line ?
warnings.append(Warning(filename, func_code, err))
_checkSelfArg(method, warnings)
tmpModule = _getModuleFromFilename(module, func_code.co_filename)
funcInfo = _updateFunctionWarnings(tmpModule, method, c, warnings, globalRefs)
if func_code.co_name == utils.INIT :
# this is a constructor
if utils.INIT in dir(c.classObject) :
warns = _checkBaseClassInit(filename, c, func_code, funcInfo)
warnings.extend(warns)
elif cfg().initDefinedInSubclass :
err = msgs.NO_INIT_IN_SUBCLASS % c.name
warnings.append(Warning(filename, c.getFirstLine(), err))
if methodSuppress is not None :
utils.popConfig()
if c.memberRefs and cfg().membersUsed :
memberList = c.memberRefs.keys()
memberList.sort()
err = msgs.UNUSED_MEMBERS % (string.join(memberList, ', '), c.name)
warnings.append(Warning(filename, c.getFirstLine(), err))
try:
newStyleClass = issubclass(c.classObject, object)
except TypeError:
# FIXME: perhaps this should warn b/c it may be a class???
newStyleClass = 0
slots = c.statics.get('__slots__')
if slots is not None and cfg().slots:
lineNum = c.lineNums['__slots__']
if not newStyleClass:
err = msgs.USING_SLOTS_IN_CLASSIC_CLASS % c.name
warnings.append(Warning(filename, lineNum, err))
elif cfg().emptySlots:
try:
if len(slots.data) == 0:
err = msgs.EMPTY_SLOTS % c.name
warnings.append(Warning(filename, lineNum, err))
except AttributeError:
# happens when slots is an instance of a class w/o __len__
pass
if not newStyleClass and property is not None and cfg().classicProperties:
for static in c.statics.keys():
if type(getattr(c.classObject, static, None)) == property:
err = msgs.USING_PROPERTIES_IN_CLASSIC_CLASS % (static, c.name)
warnings.append(Warning(filename, c.lineNums[static], err))
coerceMethod = c.methods.get('__coerce__')
if newStyleClass and coerceMethod:
lineNum = coerceMethod.function.func_code.co_firstlineno
err = msgs.USING_COERCE_IN_NEW_CLASS % c.name
warnings.append(Warning(filename, lineNum, err))
for newClassMethodName in python.NEW_STYLE_CLASS_METHODS:
newClassMethod = c.methods.get(newClassMethodName)
if not newStyleClass and newClassMethod:
lineNum = newClassMethod.function.func_code.co_firstlineno
err = msgs.USING_NEW_STYLE_METHOD_IN_OLD_CLASS % (newClassMethodName, c.name)
warnings.append(Warning(filename, lineNum, err))
if cfg().noDocClass and c.classObject.__doc__ == None :
method = c.methods.get(utils.INIT, None)
if method != None :
func_code = method.function.func_code
# FIXME: check to make sure this is in our file,
# not a base class file???
err = msgs.NO_CLASS_DOC % c.classObject.__name__
warnings.append(Warning(filename, func_code, err))
# we have to do this here, b/c checkFunction doesn't popConfig for classes
# this allows us to have __pychecker__ apply to all methods
# when defined at class scope
if class_code is not None :
utils.popConfig()
if classSuppress is not None :
utils.popConfig()
