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96 lines
2.3 KiB
Python
96 lines
2.3 KiB
Python
# Copyright 2025, Kay Hayen, mailto:kay.hayen@gmail.com find license text at end of file
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from __future__ import print_function
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import sys
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def displayDict(d):
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if "__loader__" in d:
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d = dict(d)
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d["__loader__"] = "<__loader__ removed>"
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if "__file__" in d:
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d = dict(d)
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d["__file__"] = "<__file__ removed>"
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import pprint
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return pprint.pformat(d)
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counter = 1
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class X:
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def __init__(self):
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global counter
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self.counter = counter
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counter += 1
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def __del__(self):
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print("X.__del__ occurred", self.counter)
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def raising(doit):
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_x = X()
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def nested():
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if doit:
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1 / 0
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try:
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return nested()
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except ZeroDivisionError:
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print("Changing closure variable value.")
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# This is just to prove that closure variables get updates in frame
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# locals.
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doit = 5
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raise
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# Call it without an exception
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raising(False)
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def catcher():
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try:
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raising(True)
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except ZeroDivisionError:
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print("Caught.")
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print("Top traceback code is '%s'." % sys.exc_info()[2].tb_frame.f_code.co_name)
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print(
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"Second traceback code is '%s'."
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% sys.exc_info()[2].tb_next.tb_frame.f_code.co_name
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)
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print(
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"Third traceback code is '%s'."
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% sys.exc_info()[2].tb_next.tb_next.tb_frame.f_code.co_name
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)
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print(
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"Third traceback locals (function) are",
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displayDict(sys.exc_info()[2].tb_next.tb_next.tb_frame.f_locals),
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)
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catcher()
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print("Good bye.")
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# Python tests originally created or extracted from other peoples work. The
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# parts were too small to be protected.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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