python类LZMAError()的实例源码

tarfile.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w"):
            raise ValueError("mode must be 'r' or 'w'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            raise ReadError("not an lzma file")
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def test_init_bad_check(self):
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", check=b"asd")
        # CHECK_UNKNOWN and anything above CHECK_ID_MAX should be invalid.
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", check=lzma.CHECK_UNKNOWN)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", check=lzma.CHECK_ID_MAX + 3)
        # Cannot specify a check with mode="r".
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_NONE)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_CRC32)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_CRC64)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_SHA256)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_UNKNOWN)
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def test_init_bad_preset(self):
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", preset=4.39)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", preset=10)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", preset=23)
        with self.assertRaises(OverflowError):
            LZMAFile(BytesIO(), "w", preset=-1)
        with self.assertRaises(OverflowError):
            LZMAFile(BytesIO(), "w", preset=-7)
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", preset="foo")
        # Cannot specify a preset with mode="r".
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), preset=3)
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def test__encode_filter_properties(self):
        with self.assertRaises(TypeError):
            lzma._encode_filter_properties(b"not a dict")
        with self.assertRaises(ValueError):
            lzma._encode_filter_properties({"id": 0x100})
        with self.assertRaises(ValueError):
            lzma._encode_filter_properties({"id": lzma.FILTER_LZMA2, "junk": 12})
        with self.assertRaises(lzma.LZMAError):
            lzma._encode_filter_properties({"id": lzma.FILTER_DELTA,
                                           "dist": 9001})

        # Test with parameters used by zipfile module.
        props = lzma._encode_filter_properties({
                "id": lzma.FILTER_LZMA1,
                "pb": 2,
                "lp": 0,
                "lc": 3,
                "dict_size": 8 << 20,
            })
        self.assertEqual(props, b"]\x00\x00\x80\x00")
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def test_init_bad_check(self):
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", check=b"asd")
        # CHECK_UNKNOWN and anything above CHECK_ID_MAX should be invalid.
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", check=lzma.CHECK_UNKNOWN)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", check=lzma.CHECK_ID_MAX + 3)
        # Cannot specify a check with mode="r".
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_NONE)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_CRC32)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_CRC64)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_SHA256)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_UNKNOWN)
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def test_init_bad_preset(self):
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", preset=4.39)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", preset=10)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", preset=23)
        with self.assertRaises(OverflowError):
            LZMAFile(BytesIO(), "w", preset=-1)
        with self.assertRaises(OverflowError):
            LZMAFile(BytesIO(), "w", preset=-7)
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", preset="foo")
        # Cannot specify a preset with mode="r".
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), preset=3)
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def test__encode_filter_properties(self):
        with self.assertRaises(TypeError):
            lzma._encode_filter_properties(b"not a dict")
        with self.assertRaises(ValueError):
            lzma._encode_filter_properties({"id": 0x100})
        with self.assertRaises(ValueError):
            lzma._encode_filter_properties({"id": lzma.FILTER_LZMA2, "junk": 12})
        with self.assertRaises(lzma.LZMAError):
            lzma._encode_filter_properties({"id": lzma.FILTER_DELTA,
                                           "dist": 9001})

        # Test with parameters used by zipfile module.
        props = lzma._encode_filter_properties({
                "id": lzma.FILTER_LZMA1,
                "pb": 2,
                "lp": 0,
                "lc": 3,
                "dict_size": 8 << 20,
            })
        self.assertEqual(props, b"]\x00\x00\x80\x00")
processor.py 文件源码 项目:duka 作者: giuse88 项目源码 文件源码 阅读 31 收藏 0 点赞 0 评论 0
def decompress_lzma(data):
    results = []
    len(data)
    while True:
        decomp = LZMADecompressor(FORMAT_AUTO, None, None)
        try:
            res = decomp.decompress(data)
        except LZMAError:
            if results:
                break  # Leftover data is not a valid LZMA/XZ stream; ignore it.
            else:
                raise  # Error on the first iteration; bail out.
        results.append(res)
        data = decomp.unused_data
        if not data:
            break
        if not decomp.eof:
            raise LZMAError("Compressed data ended before the end-of-stream marker was reached")
    return b"".join(results)
test_lzma.py 文件源码 项目:kbe_server 作者: xiaohaoppy 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def test_init_bad_check(self):
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", check=b"asd")
        # CHECK_UNKNOWN and anything above CHECK_ID_MAX should be invalid.
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", check=lzma.CHECK_UNKNOWN)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", check=lzma.CHECK_ID_MAX + 3)
        # Cannot specify a check with mode="r".
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_NONE)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_CRC32)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_CRC64)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_SHA256)
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), check=lzma.CHECK_UNKNOWN)
test_lzma.py 文件源码 项目:kbe_server 作者: xiaohaoppy 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def test_init_bad_preset(self):
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", preset=4.39)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", preset=10)
        with self.assertRaises(LZMAError):
            LZMAFile(BytesIO(), "w", preset=23)
        with self.assertRaises(OverflowError):
            LZMAFile(BytesIO(), "w", preset=-1)
        with self.assertRaises(OverflowError):
            LZMAFile(BytesIO(), "w", preset=-7)
        with self.assertRaises(TypeError):
            LZMAFile(BytesIO(), "w", preset="foo")
        # Cannot specify a preset with mode="r".
        with self.assertRaises(ValueError):
            LZMAFile(BytesIO(COMPRESSED_XZ), preset=3)
test_lzma.py 文件源码 项目:kbe_server 作者: xiaohaoppy 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def test__encode_filter_properties(self):
        with self.assertRaises(TypeError):
            lzma._encode_filter_properties(b"not a dict")
        with self.assertRaises(ValueError):
            lzma._encode_filter_properties({"id": 0x100})
        with self.assertRaises(ValueError):
            lzma._encode_filter_properties({"id": lzma.FILTER_LZMA2, "junk": 12})
        with self.assertRaises(lzma.LZMAError):
            lzma._encode_filter_properties({"id": lzma.FILTER_DELTA,
                                           "dist": 9001})

        # Test with parameters used by zipfile module.
        props = lzma._encode_filter_properties({
                "id": lzma.FILTER_LZMA1,
                "pb": 2,
                "lp": 0,
                "lc": 3,
                "dict_size": 8 << 20,
            })
        self.assertEqual(props, b"]\x00\x00\x80\x00")
tarfile.py 文件源码 项目:python- 作者: secondtonone1 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w", "x"):
            raise ValueError("mode must be 'r', 'w' or 'x'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
tarfile.py 文件源码 项目:ivaochdoc 作者: ivaoch 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w", "x"):
            raise ValueError("mode must be 'r', 'w' or 'x'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
sysstat.py 文件源码 项目:sarjitsu 作者: distributed-system-analysis 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def verify_contents(thefile, tgt_hostname=None, callback=None):
    """
    Given a sysstat binary data file verify that it contains a set of well
    formed data values.

    The optional 'tgt_hostname' argument is checked against the file header's
    stored hostname value.

    The optional 'callback' argument, if provided, should be an instance of
    the ContentAction class, where for each magic structure, file header, file
    activity set, record header and record payload read the appropriate method
    will be invoked, with the 'eof' method invoked at the end.

    One of the following exceptions will be raised if a problem is found with
    the file:

        Invalid: The file header or record header metadata values do not make
                 sense in relation to each other

        Corruption: The file appears to be corrupted in some way

        Truncated: The file does not appear to contain all the data as
                   described by the file header or a given record header
    """
    try:
        with lzma.open(thefile, "rb") as fp:
            verify_contents_fp(fp, tgt_hostname, callback)
    except lzma.LZMAError:
        with open(thefile, "rb") as fp:
            verify_contents_fp(fp, tgt_hostname, callback)
sysstat.py 文件源码 项目:sarjitsu 作者: distributed-system-analysis 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def fetch_fileheader(thefile):
    """
    Fetch the sysstat FileHeader object for the given file path.
    """
    try:
        with lzma.open(thefile, "rb") as fp:
            res = fetch_fileheader_with_fp(fp)
    except lzma.LZMAError:
        with open(thefile, "rb") as fp:
            res = fetch_fileheader_with_fp(fp)
    return res
tarfile.py 文件源码 项目:news-for-good 作者: thecodinghub 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w", "x"):
            raise ValueError("mode must be 'r', 'w' or 'x'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
tarfile.py 文件源码 项目:Tencent_Cartoon_Download 作者: Fretice 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w", "x"):
            raise ValueError("mode must be 'r', 'w' or 'x'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
tarfile.py 文件源码 项目:fieldsight-kobocat 作者: awemulya 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w", "x"):
            raise ValueError("mode must be 'r', 'w' or 'x'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def test_decompressor_memlimit(self):
        lzd = LZMADecompressor(memlimit=1024)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

        lzd = LZMADecompressor(lzma.FORMAT_XZ, memlimit=1024)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

        lzd = LZMADecompressor(lzma.FORMAT_ALONE, memlimit=1024)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_ALONE)

    # Test LZMADecompressor on known-good input data.
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 19 收藏 0 点赞 0 评论 0
def test_decompressor_bad_input(self):
        lzd = LZMADecompressor()
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_RAW_1)

        lzd = LZMADecompressor(lzma.FORMAT_XZ)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_ALONE)

        lzd = LZMADecompressor(lzma.FORMAT_ALONE)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

        lzd = LZMADecompressor(lzma.FORMAT_RAW, filters=FILTERS_RAW_1)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

    # Test that LZMACompressor->LZMADecompressor preserves the input data.
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def test_decompress_memlimit(self):
        with self.assertRaises(LZMAError):
            lzma.decompress(COMPRESSED_XZ, memlimit=1024)
        with self.assertRaises(LZMAError):
            lzma.decompress(
                    COMPRESSED_XZ, format=lzma.FORMAT_XZ, memlimit=1024)
        with self.assertRaises(LZMAError):
            lzma.decompress(
                    COMPRESSED_ALONE, format=lzma.FORMAT_ALONE, memlimit=1024)

    # Test LZMADecompressor on known-good input data.
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def test_decompress_incomplete_input(self):
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_XZ[:128])
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_ALONE[:128])
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_1[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_1)
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_2[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_2)
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_3[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_3)
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_4[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_4)
test_lzma.py 文件源码 项目:web_ctp 作者: molebot 项目源码 文件源码 阅读 18 收藏 0 点赞 0 评论 0
def test__decode_filter_properties(self):
        with self.assertRaises(TypeError):
            lzma._decode_filter_properties(lzma.FILTER_X86, {"should be": bytes})
        with self.assertRaises(lzma.LZMAError):
            lzma._decode_filter_properties(lzma.FILTER_DELTA, b"too long")

        # Test with parameters used by zipfile module.
        filterspec = lzma._decode_filter_properties(
                lzma.FILTER_LZMA1, b"]\x00\x00\x80\x00")
        self.assertEqual(filterspec["id"], lzma.FILTER_LZMA1)
        self.assertEqual(filterspec["pb"], 2)
        self.assertEqual(filterspec["lp"], 0)
        self.assertEqual(filterspec["lc"], 3)
        self.assertEqual(filterspec["dict_size"], 8 << 20)
tarfile.py 文件源码 项目:CloudPrint 作者: William-An 项目源码 文件源码 阅读 20 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w", "x"):
            raise ValueError("mode must be 'r', 'w' or 'x'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
tarfile.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def xzopen(cls, name, mode="r", fileobj=None, preset=None, **kwargs):
        """Open lzma compressed tar archive name for reading or writing.
           Appending is not allowed.
        """
        if mode not in ("r", "w"):
            raise ValueError("mode must be 'r' or 'w'")

        try:
            import lzma
        except ImportError:
            raise CompressionError("lzma module is not available")

        fileobj = lzma.LZMAFile(fileobj or name, mode, preset=preset)

        try:
            t = cls.taropen(name, mode, fileobj, **kwargs)
        except (lzma.LZMAError, EOFError):
            fileobj.close()
            if mode == 'r':
                raise ReadError("not an lzma file")
            raise
        except:
            fileobj.close()
            raise
        t._extfileobj = False
        return t

    # All *open() methods are registered here.
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 15 收藏 0 点赞 0 评论 0
def test_decompressor_memlimit(self):
        lzd = LZMADecompressor(memlimit=1024)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

        lzd = LZMADecompressor(lzma.FORMAT_XZ, memlimit=1024)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

        lzd = LZMADecompressor(lzma.FORMAT_ALONE, memlimit=1024)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_ALONE)

    # Test LZMADecompressor on known-good input data.
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def test_decompressor_bad_input(self):
        lzd = LZMADecompressor()
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_RAW_1)

        lzd = LZMADecompressor(lzma.FORMAT_XZ)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_ALONE)

        lzd = LZMADecompressor(lzma.FORMAT_ALONE)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

        lzd = LZMADecompressor(lzma.FORMAT_RAW, filters=FILTERS_RAW_1)
        self.assertRaises(LZMAError, lzd.decompress, COMPRESSED_XZ)

    # Test that LZMACompressor->LZMADecompressor preserves the input data.
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 17 收藏 0 点赞 0 评论 0
def test_decompress_memlimit(self):
        with self.assertRaises(LZMAError):
            lzma.decompress(COMPRESSED_XZ, memlimit=1024)
        with self.assertRaises(LZMAError):
            lzma.decompress(
                    COMPRESSED_XZ, format=lzma.FORMAT_XZ, memlimit=1024)
        with self.assertRaises(LZMAError):
            lzma.decompress(
                    COMPRESSED_ALONE, format=lzma.FORMAT_ALONE, memlimit=1024)

    # Test LZMADecompressor on known-good input data.
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 16 收藏 0 点赞 0 评论 0
def test_decompress_incomplete_input(self):
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_XZ[:128])
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_ALONE[:128])
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_1[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_1)
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_2[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_2)
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_3[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_3)
        self.assertRaises(LZMAError, lzma.decompress, COMPRESSED_RAW_4[:128],
                          format=lzma.FORMAT_RAW, filters=FILTERS_RAW_4)
test_lzma.py 文件源码 项目:ouroboros 作者: pybee 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def test_read_bad_data(self):
        with LZMAFile(BytesIO(COMPRESSED_BOGUS)) as f:
            self.assertRaises(LZMAError, f.read)


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