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@@ -2966,7 +2966,7 class compressionengine(object): | |||||
2966 | exclude the name from external usage, set the first element to ``None``. |
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2966 | exclude the name from external usage, set the first element to ``None``. | |
2967 |
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2967 | |||
2968 | If bundle compression is supported, the class must also implement |
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2968 | If bundle compression is supported, the class must also implement | |
2969 |
``compressstream`` |
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2969 | ``compressstream`` and `decompressorreader``. | |
2970 | """ |
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2970 | """ | |
2971 | return None |
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2971 | return None | |
2972 |
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2972 | |||
@@ -2982,14 +2982,6 class compressionengine(object): | |||||
2982 | """ |
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2982 | """ | |
2983 | raise NotImplementedError() |
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2983 | raise NotImplementedError() | |
2984 |
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2984 | |||
2985 | def compressorobj(self): |
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2986 | """(Temporary) Obtain an object used for compression. |
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2987 |
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2988 | The returned object has ``compress(data)`` and ``flush()`` methods. |
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2989 | These are used to incrementally feed data chunks into a compressor. |
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2990 | """ |
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2991 | raise NotImplementedError() |
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2992 |
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2993 | def decompressorreader(self, fh): |
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2985 | def decompressorreader(self, fh): | |
2994 | """Perform decompression on a file object. |
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2986 | """Perform decompression on a file object. | |
2995 |
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2987 | |||
@@ -3006,9 +2998,6 class _zlibengine(compressionengine): | |||||
3006 | def bundletype(self): |
|
2998 | def bundletype(self): | |
3007 | return 'gzip', 'GZ' |
|
2999 | return 'gzip', 'GZ' | |
3008 |
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3000 | |||
3009 | def compressorobj(self): |
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3010 | return zlib.compressobj() |
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3011 |
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3012 | def compressstream(self, it, opts=None): |
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3001 | def compressstream(self, it, opts=None): | |
3013 | opts = opts or {} |
|
3002 | opts = opts or {} | |
3014 |
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3003 | |||
@@ -3039,9 +3028,6 class _bz2engine(compressionengine): | |||||
3039 | def bundletype(self): |
|
3028 | def bundletype(self): | |
3040 | return 'bzip2', 'BZ' |
|
3029 | return 'bzip2', 'BZ' | |
3041 |
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3030 | |||
3042 | def compressorobj(self): |
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3043 | return bz2.BZ2Compressor() |
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3044 |
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3045 | def compressstream(self, it, opts=None): |
|
3031 | def compressstream(self, it, opts=None): | |
3046 | opts = opts or {} |
|
3032 | opts = opts or {} | |
3047 | z = bz2.BZ2Compressor(opts.get('level', 9)) |
|
3033 | z = bz2.BZ2Compressor(opts.get('level', 9)) | |
@@ -3069,7 +3055,7 class _truncatedbz2engine(compressioneng | |||||
3069 | def bundletype(self): |
|
3055 | def bundletype(self): | |
3070 | return None, '_truncatedBZ' |
|
3056 | return None, '_truncatedBZ' | |
3071 |
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3057 | |||
3072 |
# We don't implement compress |
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3058 | # We don't implement compressstream because it is hackily handled elsewhere. | |
3073 |
|
3059 | |||
3074 | def decompressorreader(self, fh): |
|
3060 | def decompressorreader(self, fh): | |
3075 | def gen(): |
|
3061 | def gen(): | |
@@ -3083,13 +3069,6 class _truncatedbz2engine(compressioneng | |||||
3083 |
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3069 | |||
3084 | compengines.register(_truncatedbz2engine()) |
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3070 | compengines.register(_truncatedbz2engine()) | |
3085 |
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3071 | |||
3086 | class nocompress(object): |
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3087 | def compress(self, x): |
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3088 | return x |
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3089 |
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3090 | def flush(self): |
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3091 | return '' |
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3092 |
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3093 | class _noopengine(compressionengine): |
|
3072 | class _noopengine(compressionengine): | |
3094 | def name(self): |
|
3073 | def name(self): | |
3095 | return 'none' |
|
3074 | return 'none' | |
@@ -3097,9 +3076,6 class _noopengine(compressionengine): | |||||
3097 | def bundletype(self): |
|
3076 | def bundletype(self): | |
3098 | return 'none', 'UN' |
|
3077 | return 'none', 'UN' | |
3099 |
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3078 | |||
3100 | def compressorobj(self): |
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3101 | return nocompress() |
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3102 |
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3103 | def compressstream(self, it, opts=None): |
|
3079 | def compressstream(self, it, opts=None): | |
3104 | return it |
|
3080 | return it | |
3105 |
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3081 |
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