98 lines
3.3 KiB
Python
98 lines
3.3 KiB
Python
# Copyright (c) 2005-2009, Donovan Preston
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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"""
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Takes an exception object and returns a dictionary suitable for use debugging the exception later.
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"""
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import linecache
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import re
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import sys
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import traceback
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def format_exc(exc=None):
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if exc is None:
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exc_type, exc_value, exc_tb = sys.exc_info()
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else:
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exc_type, exc_value, exc_tb = exc
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frames = []
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while exc_tb is not None:
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f = exc_tb.tb_frame
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frames.append((
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f.f_code.co_name,
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f.f_code.co_filename,
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exc_tb.tb_lineno,
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[(key, value) for (key, value)
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in f.f_locals.items() if key != '__builtins__'],
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[(key, value) for (key, value)
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in f.f_globals.items() if key != '__builtins__']))
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exc_tb = exc_tb.tb_next
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stack_trace = []
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result = {
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'error': True,
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'stack-trace': stack_trace,
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'description': str(exc_type) + ": " + str(exc_value),
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'text-exception': ''.join(
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traceback.format_exception(
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exc_type, exc_value, exc_tb))
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}
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for method, filename, lineno, local_vars, global_vars in frames:
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code = []
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vars_dict = {}
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stack_trace.append(
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{'filename': filename,
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'lineno': lineno,
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'method': method,
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'code': code,
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#'vars': vars_dict})
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})
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code_text = ''
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for line_number in range(lineno-2, lineno+2):
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line = linecache.getline(filename, line_number)
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code.append({'lineno': line_number, 'line': line})
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code_text += line
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# "self"
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for name, var in local_vars:
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if name == 'self' and hasattr(var, '__dict__'):
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vars_dict['self'] = dict([
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(key, value) for (key, value) in var.__dict__.items()
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if re.search(
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r'\Wself.%s\W' % (re.escape(key),), code_text)])
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break
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# Local and global vars
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vars_dict['locals'] = dict(
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[(name, var) for (name, var) in local_vars
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if re.search(r'\W%s\W' % (re.escape(name),), code_text)])
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vars_dict['globals'] = dict(
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[(name, var) for (name, var) in global_vars
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if re.search(r'\W%s\W' % (re.escape(name),), code_text)])
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return result
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