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create an NBTFormatError and raise it where appropriate instead of IOError

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This commit is contained in:
David Vierra 2011-04-07 13:00:28 -10:00
parent 0136424d67
commit 111be952d4
1 changed files with 4 additions and 2 deletions
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6
nbt.py
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@ -28,6 +28,8 @@ from contextlib import closing
from numpy import array, zeros, uint8, fromstring from numpy import array, zeros, uint8, fromstring
TAGfmt = ">b" TAGfmt = ">b"
class NBTFormatError(RuntimeError): pass
class TAG_Value(object): class TAG_Value(object):
"""Simple values. Subclasses override fmt to change the type and size. """Simple values. Subclasses override fmt to change the type and size.
Subclasses may set dataType instead of overriding setValue for automatic data type coercion""" Subclasses may set dataType instead of overriding setValue for automatic data type coercion"""
@ -433,12 +435,12 @@ def load(filename="", buf=None):
data = buf; data = buf;
#if buf != None: data = buf #if buf != None: data = buf
if not len(buf): if not len(buf):
raise IOError, "Asked to load root tag of zero length" raise NBTFormatError, "Asked to load root tag of zero length"
data_cursor = 0; data_cursor = 0;
tag_type = data[data_cursor]; tag_type = data[data_cursor];
if tag_type != 10: if tag_type != 10:
raise IOError, 'Not an NBT file with a root TAG_Compound (found {0})'.format(tag_type); raise NBTFormatError, 'Not an NBT file with a root TAG_Compound (found {0})'.format(tag_type);
data_cursor += 1; data_cursor += 1;
data_cursor, tag = load_named(data, data_cursor, tag_type) data_cursor, tag = load_named(data, data_cursor, tag_type)