Python xd3_encode_memory示例

示例#1

文件： diff.py 项目： zpp-2014-15/deltacompression

 def calculateDiff(self, base_chunk, new_chunk):
     result, patch = xdelta3.xd3_encode_memory(new_chunk.get(),
                                               base_chunk.get(),
                                               self.MAX_SIZE)
     if result:
         raise DiffException("Error: '{}'".format(os.strerror(result)))
     return patch

示例#2

文件： xdelta3-regtest.py 项目： dellis1972/xdelta

 def Encode(self, ignore1, ignore2, ignore3):
     r1, encoded = xdelta3.xd3_encode_memory(self.target_data, None,
                                             1000000, 1 << 10)
     if r1 != 0:
         raise CommandError('memory', 'encode failed: %s' % r1)
     #end
     self.encoded = encoded

示例#3

文件： tool.py 项目： scolphoy/elijah-provisioning

def diff_data(source_data, modi_data, buf_len):
    if len(source_data) == 0 or len(modi_data) == 0:
        raise IOError("[Error] Not valid data length: %d, %d" % (len(source_data), len(modi_data)))

    result, patch = xdelta3.xd3_encode_memory(modi_data, source_data, buf_len, xdelta3.XD3_COMPLEVEL_9)
    if result != 0:
        msg = "Error while xdelta3: %d" % result
        raise IOError(msg)
    return patch
    '''

示例#4

文件： tool.py 项目： SainathK333/elijah-cloudlet

def diff_data(source_data, modi_data, buf_len):
    if len(source_data) == 0 or len(modi_data) == 0:
        raise IOError("[Error] Not valid data length: %d, %d" % (len(source_data), len(modi_data)))

    result, patch = xdelta3.xd3_encode_memory(modi_data, source_data, buf_len, xdelta3.XD3_COMPLEVEL_9)
    if result != 0:
        msg = "Error while xdelta3: %d" % result
        raise IOError(msg)
    return patch
    '''

示例#5

文件： xdelta3-regtest.py 项目： Sappharad/MultiPatch

 def Encode(self, ignore1, ignore2, ignore3):
     r1, encoded = xdelta3.xd3_encode_memory(self.target_data, None, 1000000, 1<<10)
     if r1 != 0:
         raise CommandError('memory', 'encode failed: %s' % r1)
     #end
     self.encoded = encoded

示例#6

文件： xdelta3-test.py 项目： dellis1972/xdelta

# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import xdelta3

# the test data section is expected to be len('target')
source = 'source source input0 source source'
target = 'source source target source source'

#
#

print 'encode: basic ...'
result, patch = xdelta3.xd3_encode_memory(target, source, 50)

assert result == 0
assert len(patch) < len(source)

print 'encode: adler32 ...'
result, patch_adler32 = xdelta3.xd3_encode_memory(target, source, 50,
                                                  xdelta3.XD3_ADLER32)

assert result == 0
assert len(patch_adler32) < len(source)
assert len(patch_adler32) > len(patch)

print 'encode: secondary ...'
result, patch_djw = xdelta3.xd3_encode_memory(target, source, 50,
                                              xdelta3.XD3_SEC_DJW)

示例#7

文件： xdelta3-test.py 项目： Sappharad/MultiPatch

#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

import xdelta3

# the test data section is expected to be len('target')
source = 'source source input0 source source'
target = 'source source target source source'

#
#

print 'encode: basic ...'
result, patch = xdelta3.xd3_encode_memory(target, source, 50)

assert result == 0
assert len(patch) < len(source)

print 'encode: adler32 ...'
result, patch_adler32 = xdelta3.xd3_encode_memory(target, source, 50,
                                                  xdelta3.XD3_ADLER32)

assert result == 0
assert len(patch_adler32) < len(source)
assert len(patch_adler32) > len(patch)

print 'encode: secondary ...'
result, patch_djw = xdelta3.xd3_encode_memory(target, source, 50,
                                              xdelta3.XD3_SEC_DJW)