70 lines
2.3 KiB
Python
70 lines
2.3 KiB
Python
import py, sys
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class Warning(py.std.exceptions.DeprecationWarning):
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def __init__(self, msg, path, lineno):
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self.msg = msg
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self.path = path
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self.lineno = lineno
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def __repr__(self):
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return "%s:%d: %s" %(self.path, self.lineno+1, self.msg)
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def __str__(self):
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return self.msg
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# XXX probably only apiwarn() + py._com.pyplugins forwarding
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# warn_explicit is actually needed
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class WarningPlugin(object):
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def __init__(self, bus):
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self.bus = bus
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bus.register(self)
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def pyevent_WARNING(self, warning):
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# forward to python warning system
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py.std.warnings.warn_explicit(warning, category=Warning,
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filename=str(warning.path),
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lineno=warning.lineno,
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registry=py.std.warnings.__dict__.setdefault(
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"__warningsregistry__", {})
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)
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def apiwarn(self, startversion, msg, stacklevel=1):
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# below is mostly COPIED from python2.4/warnings.py's def warn()
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# Get context information
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msg = "%s (since version %s)" %(msg, startversion)
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self.warn(msg, stacklevel=stacklevel+1)
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def warn(self, msg, stacklevel=1):
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try:
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caller = sys._getframe(stacklevel)
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except ValueError:
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globals = sys.__dict__
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lineno = 1
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else:
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globals = caller.f_globals
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lineno = caller.f_lineno
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if '__name__' in globals:
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module = globals['__name__']
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else:
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module = "<string>"
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filename = globals.get('__file__')
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if filename:
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fnl = filename.lower()
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if fnl.endswith(".pyc") or fnl.endswith(".pyo"):
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filename = filename[:-1]
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else:
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if module == "__main__":
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try:
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filename = sys.argv[0]
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except AttributeError:
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# embedded interpreters don't have sys.argv, see bug #839151
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filename = '__main__'
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if not filename:
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filename = module
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path = py.path.local(filename)
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warning = Warning(msg, path, lineno)
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self.bus.notify("WARNING", warning)
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# singleton api warner for py lib
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apiwarner = WarningPlugin(py._com.pyplugins)
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APIWARN = apiwarner.apiwarn
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