15 def warnpy3k(message, category=None, stacklevel=1):  argument
21         if category is None:
22             category = DeprecationWarning
23         warn(message, category, stacklevel+1)
25 def _show_warning(message, category, filename, lineno, file=None, line=None):  argument
33         file.write(formatwarning(message, category, filename, lineno, line))
40 def formatwarning(message, category, filename, lineno, line=None):  argument
50     s =  "%s: %s: %s\n" % (lineno, category.__name__, message)
67 def filterwarnings(action, message="", category=Warning, module="", lineno=0,  argument
74     'category' -- a class that the warning must be a subclass of
83     assert isinstance(category, (type, types.ClassType)), \
84            "category must be a class"
85     assert issubclass(category, Warning), "category must be a Warning subclass"
89     item = (action, re.compile(message, re.I), category,
96 def simplefilter(action, category=Warning, lineno=0, append=0):  argument
102     'category' -- a class that the warning must be a subclass of
110     item = (action, None, category, None, int(lineno))
140     action, message, category, module, lineno = [s.strip()
144     category = _getcategory(category)
157     filterwarnings(action, message, category, module, lineno)
170 def _getcategory(category):  argument
172     if not category:
174     if re.match("^[a-zA-Z0-9_]+$", category):
176             cat = eval(category)
178             raise _OptionError("unknown warning category: %r" % (category,))
180         i = category.rfind(".")
181         module = category[:i]
182         klass = category[i+1:]
190             raise _OptionError("unknown warning category: %r" % (category,))
192         raise _OptionError("invalid warning category: %r" % (category,))
197 def warn(message, category=None, stacklevel=1):  argument
201         category = message.__class__
202     # Check category argument
203     if category is None:
204         category = UserWarning
205     assert issubclass(category, Warning)
234     warn_explicit(message, category, filename, lineno, module, registry,
237 def warn_explicit(message, category, filename, lineno,  argument
248         category = message.__class__
251         message = category(message)
252     key = (text, category, lineno)
260             issubclass(category, cat) and
280         oncekey = (text, category)
288         altkey = (text, category, 0)
300     showwarning(message, category, filename, lineno)
307     _WARNING_DETAILS = ("message", "category", "filename", "lineno", "file",
310     def __init__(self, message, category, filename, lineno, file=None,  argument
313         self.category = category
318         self._category_name = category.__name__ if category else None
321         return ("{message : %r, category : %r, filename : %r, lineno : %s, "
391 # - a class representing the warning category
416         simplefilter("ignore", category=cls)
424     simplefilter(bytes_action, category=BytesWarning, append=1)