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Rocky5
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117 lines
3.6 KiB
Python
117 lines
3.6 KiB
Python
##################################################
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# SPYCE - Python-based HTML Scripting
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# Copyright (c) 2002 Rimon Barr.
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#
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# Refer to spyce.py
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# CVS: $Id: spyceException.py 31144 2012-07-15 15:38:56Z buzz $
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##################################################
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__doc__ = '''Various Spyce-related exceptions'''
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import sys, string
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import spyceCompile, spyceUtil
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##################################################
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# Syntax errors
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#
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class pythonSyntaxError:
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"Generate string out of current pythonSyntaxError exception"
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def __repr__(self):
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return self.str
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def __init__(self, spycewrap):
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self.str = ''
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type, error, _ = sys.exc_info()
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if type is type(SyntaxError):
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raise 'instantiate pythonSyntaxError only when SyntaxError raised: %s' % `type`
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if spycewrap.getCodeRefs().has_key(error.lineno):
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begin, end, text, filename = spycewrap.getCodeRefs()[error.lineno]
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if begin[0]==end[0]:
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linestr = str(begin[0])
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else:
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linestr = '%d-%d' % (begin[0], end[0])
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self.str = 'Python syntax error at %s:%s - %s\n %s\n' % (filename, linestr, error.msg, text)
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else:
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self.str = spyceUtil.exceptionString()
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class spyceSyntaxError:
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"Generate string out of current spyceSyntaxError exception"
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def __init__(self, msg, info=None):
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self.msg = msg
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self.info = info
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def __repr__(self):
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s = 'Spyce syntax error'
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if self.info:
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(begin, _), (end, _), text, filename = self.info
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if begin==end:
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linestr = str(begin)
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else:
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linestr = '%d-%d' % (begin, end)
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s = s + ' at %s:%s - %s\n %s\n' % (filename, linestr, self.msg, text)
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else:
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s = s + ': '+self.msg
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return s
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##################################################
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# Runtime errors
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#
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class spyceRuntimeException:
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"Generate string out of current SpyceException exception."
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# useful fields: str, type, value, traceback, msg
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def __repr__(self):
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return self.str
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def __init__(self, spycewrap=None):
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import traceback, string
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e1, e2, tb = sys.exc_info()
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tb = traceback.extract_tb(tb)
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self.str = ''
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self.type, self.value, self.traceback = e1, e2, tb
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if e1 == spyceRuntimeException:
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self.msg = str(e2)
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else:
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self.msg = string.join(traceback.format_exception_only(e1, e2))
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for i in range(len(tb)):
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filename, lineno, funcname, text = tb[i]
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if filename == '<string>' and spycewrap and spycewrap.getCodeRefs().has_key(lineno):
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if funcname == spyceCompile.SPYCE_PROCESS_FUNC:
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funcname = '(main)'
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begin, end, text, filename = spycewrap.getCodeRefs()[lineno]
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if begin[0]==end[0]:
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lineno = str(begin[0])
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else:
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lineno = '%d-%d' % (begin[0], end[0])
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lineno=str(lineno)
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tb[i] = filename, lineno, funcname, text
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for i in range(len(tb)):
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self.str = self.str + ' %s:%s, in %s: \n %s\n' % tb[i]
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self.str = self.str + self.msg
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class spyceNotFound:
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"Exception class to signal that Spyce file does not exist."
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def __init__(self, file):
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self.file = file
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def __repr__(self):
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return 'spyceNotFound exception: could not find "%s"' % self.file
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class spyceForbidden:
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"Exception class to signal that Spyce file has access problems."
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def __init__(self, file):
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self.file = file
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def __repr__(self):
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return 'spyceForbidden exception: could not read "%s"' % self.file
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##################################################
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# Special control-flow exceptions
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#
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class spyceRedirect:
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"Exception class to signal an internal redirect."
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def __init__(self, filename):
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self.filename = filename
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class spyceDone:
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"Exception class to immediately jump to the end of the spyceProcess method"
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pass
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