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"""
Provide the class Message and its subclasses.
"""
class Message(object):
message = ''
message_args = ()
def __init__(self, filename, loc):
self.filename = filename
self.lineno = loc.lineno
self.col = getattr(loc, 'col_offset', 0)
def __str__(self):
return '%s:%s: %s' % (self.filename, self.lineno,
self.message % self.message_args)
class UnusedImport(Message):
message = '%r imported but unused'
def __init__(self, filename, loc, name):
Message.__init__(self, filename, loc)
self.message_args = (name,)
class RedefinedWhileUnused(Message):
message = 'redefinition of unused %r from line %r'
def __init__(self, filename, loc, name, orig_loc):
Message.__init__(self, filename, loc)
self.message_args = (name, orig_loc.lineno)
class RedefinedInListComp(Message):
message = 'list comprehension redefines %r from line %r'
def __init__(self, filename, loc, name, orig_loc):
Message.__init__(self, filename, loc)
self.message_args = (name, orig_loc.lineno)
class ImportShadowedByLoopVar(Message):
message = 'import %r from line %r shadowed by loop variable'
def __init__(self, filename, loc, name, orig_loc):
Message.__init__(self, filename, loc)
self.message_args = (name, orig_loc.lineno)
class ImportStarNotPermitted(Message):
message = "'from %s import *' only allowed at module level"
def __init__(self, filename, loc, modname):
Message.__init__(self, filename, loc)
self.message_args = (modname,)
class ImportStarUsed(Message):
message = "'from %s import *' used; unable to detect undefined names"
def __init__(self, filename, loc, modname):
Message.__init__(self, filename, loc)
self.message_args = (modname,)
class ImportStarUsage(Message):
message = "%r may be undefined, or defined from star imports: %s"
def __init__(self, filename, loc, name, from_list):
Message.__init__(self, filename, loc)
self.message_args = (name, from_list)
class UndefinedName(Message):
message = 'undefined name %r'
def __init__(self, filename, loc, name):
Message.__init__(self, filename, loc)
self.message_args = (name,)
class DoctestSyntaxError(Message):
message = 'syntax error in doctest'
def __init__(self, filename, loc, position=None):
Message.__init__(self, filename, loc)
if position:
(self.lineno, self.col) = position
self.message_args = ()
class UndefinedExport(Message):
message = 'undefined name %r in __all__'
def __init__(self, filename, loc, name):
Message.__init__(self, filename, loc)
self.message_args = (name,)
class UndefinedLocal(Message):
message = ('local variable %r (defined in enclosing scope on line %r) '
'referenced before assignment')
def __init__(self, filename, loc, name, orig_loc):
Message.__init__(self, filename, loc)
self.message_args = (name, orig_loc.lineno)
class DuplicateArgument(Message):
message = 'duplicate argument %r in function definition'
def __init__(self, filename, loc, name):
Message.__init__(self, filename, loc)
self.message_args = (name,)
class MultiValueRepeatedKeyLiteral(Message):
message = 'dictionary key %r repeated with different values'
def __init__(self, filename, loc, key):
Message.__init__(self, filename, loc)
self.message_args = (key,)
class MultiValueRepeatedKeyVariable(Message):
message = 'dictionary key variable %s repeated with different values'
def __init__(self, filename, loc, key):
Message.__init__(self, filename, loc)
self.message_args = (key,)
class LateFutureImport(Message):
message = 'from __future__ imports must occur at the beginning of the file'
def __init__(self, filename, loc, names):
Message.__init__(self, filename, loc)
self.message_args = ()
class FutureFeatureNotDefined(Message):
"""An undefined __future__ feature name was imported."""
message = 'future feature %s is not defined'
def __init__(self, filename, loc, name):
Message.__init__(self, filename, loc)
self.message_args = (name,)
class UnusedVariable(Message):
"""
Indicates that a variable has been explicitly assigned to but not actually
used.
"""
message = 'local variable %r is assigned to but never used'
def __init__(self, filename, loc, names):
Message.__init__(self, filename, loc)
self.message_args = (names,)
class ReturnWithArgsInsideGenerator(Message):
"""
Indicates a return statement with arguments inside a generator.
"""
message = '\'return\' with argument inside generator'
class ReturnOutsideFunction(Message):
"""
Indicates a return statement outside of a function/method.
"""
message = '\'return\' outside function'
class YieldOutsideFunction(Message):
"""
Indicates a yield or yield from statement outside of a function/method.
"""
message = '\'yield\' outside function'
# For whatever reason, Python gives different error messages for these two. We
# match the Python error message exactly.
class ContinueOutsideLoop(Message):
"""
Indicates a continue statement outside of a while or for loop.
"""
message = '\'continue\' not properly in loop'
class BreakOutsideLoop(Message):
"""
Indicates a break statement outside of a while or for loop.
"""
message = '\'break\' outside loop'
class ContinueInFinally(Message):
"""
Indicates a continue statement in a finally block in a while or for loop.
"""
message = '\'continue\' not supported inside \'finally\' clause'
class DefaultExceptNotLast(Message):
"""
Indicates an except: block as not the last exception handler.
"""
message = 'default \'except:\' must be last'
class TwoStarredExpressions(Message):
"""
Two or more starred expressions in an assignment (a, *b, *c = d).
"""
message = 'two starred expressions in assignment'
class TooManyExpressionsInStarredAssignment(Message):
"""
Too many expressions in an assignment with star-unpacking
"""
message = 'too many expressions in star-unpacking assignment'
class AssertTuple(Message):
"""
Assertion test is a tuple, which are always True.
"""
message = 'assertion is always true, perhaps remove parentheses?'