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65 lines
1.8 KiB
Plaintext
65 lines
1.8 KiB
Plaintext
16 years ago
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#!/usr/bin/env python
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import commands
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import re
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from pyparsing import ParserElement, Literal, Optional, Combine, Word, nums
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from pyparsing import Token, ParseResults
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class ExactData(Token):
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"""Token for matching data dumps in git-fast-import format"""
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def __init__( self ):
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super(ExactData,self).__init__()
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self.pattern = r"data (\d+)\n"
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self.re = re.compile(self.pattern)
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self.reString = self.pattern
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self.name = "ExactData"
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self.errmsg = "Expected " + self.name
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#self.myException.msg = self.errmsg
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self.mayIndexError = False
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self.mayReturnEmpty = True
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def parseImpl( self, instring, loc, doActions=True ):
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result = self.re.match(instring,loc)
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if not result:
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exc = self.myException
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exc.loc = loc
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exc.pstr = instring
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raise exc
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num = result.group(1)
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loc = result.end()+int(num)
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data = instring[result.end():loc]
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d = result.groupdict()
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ret = ParseResults(['data', num, data])
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return loc,ret
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def __str__( self ):
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try:
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return super(ExactMath,self).__str__()
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except:
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pass
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if self.strRepr is None:
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self.strRepr = "Data:"
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return self.strRepr
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string = commands.getoutput("GIT_DIR=foo/.git git fast-export --all")
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ParserElement.setDefaultWhitespaceChars('')
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number = Word(nums)
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lf = Literal('\n').suppress()
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sp = Literal(' ').suppress()
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mark_name = Combine(Literal(':') + number)
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mark = Literal('mark').suppress() - sp + mark_name + lf
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#exact_data = Literal('data') + sp + number + lf
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exact_data = ExactData()
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file_content = exact_data
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blob = Literal('blob') + lf + mark + file_content
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results = blob.parseString(string, parseAll = False)
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print results
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