OpenHome/venv/Lib/site-packages/py/_log/warning.py
2021-07-21 21:33:05 +02:00

80 lines
2.5 KiB
Python

import py, sys
class DeprecationWarning(DeprecationWarning):
def __init__(self, msg, path, lineno):
self.msg = msg
self.path = path
self.lineno = lineno
def __repr__(self):
return "%s:%d: %s" %(self.path, self.lineno+1, self.msg)
def __str__(self):
return self.msg
def _apiwarn(startversion, msg, stacklevel=2, function=None):
# below is mostly COPIED from python2.4/warnings.py's def warn()
# Get context information
if isinstance(stacklevel, str):
frame = sys._getframe(1)
level = 1
found = frame.f_code.co_filename.find(stacklevel) != -1
while frame:
co = frame.f_code
if co.co_filename.find(stacklevel) == -1:
if found:
stacklevel = level
break
else:
found = True
level += 1
frame = frame.f_back
else:
stacklevel = 1
msg = "%s (since version %s)" %(msg, startversion)
warn(msg, stacklevel=stacklevel+1, function=function)
def warn(msg, stacklevel=1, function=None):
if function is not None:
import inspect
filename = inspect.getfile(function)
lineno = py.code.getrawcode(function).co_firstlineno
else:
try:
caller = sys._getframe(stacklevel)
except ValueError:
globals = sys.__dict__
lineno = 1
else:
globals = caller.f_globals
lineno = caller.f_lineno
if '__name__' in globals:
module = globals['__name__']
else:
module = "<string>"
filename = globals.get('__file__')
if filename:
fnl = filename.lower()
if fnl.endswith(".pyc") or fnl.endswith(".pyo"):
filename = filename[:-1]
elif fnl.endswith("$py.class"):
filename = filename.replace('$py.class', '.py')
else:
if module == "__main__":
try:
filename = sys.argv[0]
except AttributeError:
# embedded interpreters don't have sys.argv, see bug #839151
filename = '__main__'
if not filename:
filename = module
path = py.path.local(filename)
warning = DeprecationWarning(msg, path, lineno)
import warnings
warnings.warn_explicit(warning, category=Warning,
filename=str(warning.path),
lineno=warning.lineno,
registry=warnings.__dict__.setdefault(
"__warningsregistry__", {})
)