TurRil · November 24, 2022 08:51 · Jan 3, 2011 · Jan 3, 2011
diff --git a/gistfile1.txt → githash.py b/gistfile1.txt → githash.py
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,34 @@
+#!/usr/bin/env python
+
+from sys import argv
+from hashlib import sha1
+from cStringIO import StringIO
+
+class githash(object):
+    def __init__(self):
+        self.buf = StringIO()
+
+    def update(self, data):
+        self.buf.write(data)
+
+    def hexdigest(self):
+        data = self.buf.getvalue()
+        h = sha1()
+        h.update("blob %u\0" % len(data))
+        h.update(data)
+
+        return h.hexdigest()
+
+def githash_data(data):
+    h = githash()
+    h.update(data)
+    return h.hexdigest()
+
+def githash_fileobj(fileobj):
+    return githash_data(fileobj.read())
+
+
+if __name__ == '__main__':
+    for filename in argv[1:]:
+        fileobj = file(filename)
+        print(githash_fileobj(fileobj))