commit 6ffa9357b0dd795caf253d1eb8ec96595567f9e6
Author: Elijah Newren <newren@gmail.com>
Date:   Mon Feb 2 07:14:13 2009 -0700

    Initial import, which can parse git-fast-export blobs in exact-data format

diff --git a/parseit.py b/parseit.py
new file mode 100755
index 0000000..6f195d4
--- /dev/null
+++ b/parseit.py
@@ -0,0 +1,64 @@
+#!/usr/bin/env python
+
+import commands
+import re
+from pyparsing import ParserElement, Literal, Optional, Combine, Word, nums
+
+from pyparsing import Token, ParseResults
+class ExactData(Token):
+    """Token for matching data dumps in git-fast-import format"""
+    def __init__( self ):
+        super(ExactData,self).__init__()
+
+        self.pattern = r"data (\d+)\n"
+        self.re = re.compile(self.pattern)
+        self.reString = self.pattern
+
+        self.name = "ExactData"
+        self.errmsg = "Expected " + self.name
+        #self.myException.msg = self.errmsg
+        self.mayIndexError = False
+        self.mayReturnEmpty = True
+
+    def parseImpl( self, instring, loc, doActions=True ):
+        result = self.re.match(instring,loc)
+        if not result:
+            exc = self.myException
+            exc.loc = loc
+            exc.pstr = instring
+            raise exc
+
+        num = result.group(1)
+        loc = result.end()+int(num)
+        data = instring[result.end():loc]
+        d = result.groupdict()
+        ret = ParseResults(['data', num, data])
+        return loc,ret
+
+    def __str__( self ):
+        try:
+            return super(ExactMath,self).__str__()
+        except:
+            pass
+
+        if self.strRepr is None:
+            self.strRepr = "Data:"
+
+        return self.strRepr
+
+
+string = commands.getoutput("GIT_DIR=foo/.git git fast-export --all")
+
+ParserElement.setDefaultWhitespaceChars('')
+number = Word(nums)
+lf = Literal('\n').suppress()
+sp = Literal(' ').suppress()
+mark_name = Combine(Literal(':') + number)
+mark = Literal('mark').suppress() - sp + mark_name + lf
+#exact_data = Literal('data') + sp + number + lf
+exact_data = ExactData()
+file_content = exact_data
+blob = Literal('blob') + lf + mark + file_content
+
+results = blob.parseString(string, parseAll = False)
+print results