Add types to objects
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parent
36f6f88990
commit
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@ -43,4 +43,4 @@ def hash_object(args):
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def cat_file(args):
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sys.stdout.flush()
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sys.stdout.buffer.write(data.get_object(args.object))
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sys.stdout.buffer.write(data.get_object(args.object), expected=None)
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18
ugit/data.py
18
ugit/data.py
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@ -10,13 +10,21 @@ def init():
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Path.mkdir(f"{GIT_DIR}/objects")
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def hash_object(data):
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oid = hashlib.sha1(data).hexdigest()
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def hash_object(data, type_="blob"):
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obj = type_.encode() + b"\x00" + data
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oid = hashlib.sha1(obj).hexdigest()
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with open(f"{GIT_DIR}/objects/{oid}", "wb") as out:
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out.write(data)
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out.write(obj)
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return oid
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def get_object(oid):
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def get_object(oid, expected="blob"):
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with open(f"{GIT_DIR}/objects/{oid}", "rb") as f:
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return f.read()
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obj = f.read()
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type_, _, content = obj.partition(b"\x00")
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type_ = type_.decode()
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if expected is not None:
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assert type_ == expected, f"Expected {expected}, got {type_}"
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return content
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