Installing/compiling pylzma (lzma python binding)

I've already posted this question on the authors website, but I thought I might ask here as well. I've been trying to install pylzma with this setup: Windows 7 x64 Python 2.6.6 x64 the amd64...

Choosing an appropriate compression scheme for data transfer over JSON

After some comments by David, I've decided to revise my question. The original question can be found below as well as the newly revised question. I'm leaving the original question simply to have a...

Example of how to use PyLZMA

I want to use PyLZMA to extract a file from an archive (e.g. test.7z) and extract it to the same directory. I'm a newbie to Python and have no idea how to start. I've done some googling and found...

Decompressing with PyLZMA

I compress my files using this script import pylzma, struct i = open(path+fileName,'rb') o = open(path+zipName+'.zip','wb') data = i.read() c = pylzma.compressfile(data, eos=1) result =...

Compress a folder recursively as 7z with PyLZMA and py7zlib

Through much trial and error, I've figured out how to make lzma compressed files through PyLZMA, but I'd like to replicate the seemingly simple task of compressing a folder and all of its...

pylzma stream (de)compression buffer size

There's an example usage of stream (de)compression at github.com/fancycode/pylzma/blob/master/doc/usage.txt, however, it always reads by 1 byte, which, obviously, can get relatively slow. However,...

How to extract multiple files from 7zip compressed file using pylzma

i have a 7zip compressed file with .bup extension, after extracting this file using 7zip utility it creates a folder which contains two files....i would like to do the same thing with PyLZMA, can...

How to use lzma2 in python code?

I know there is a module called pylzma. But it only support lzma, not lzma2. My current solution is using subprocess.call() to call 7z program. Is there a better way?

Decompressing 7z archive using py7zlib gives *** ValueError: data error during decompression

My code is as follows (from here: https://stackoverflow.com/questions/10701528/example-of-how-to-use-pylzma) import py7zlib ... #filename.__class__ is <class...

How pip install pylzma on windows 7 x64 , python 2.7

I assumed this should be working out of the box, but ... i've pasted pip.log on pastbin the last few lines of error message is e:\Program Files (x86)\Microsoft Visual Studio...

FormatError: not a 7z file

with open (sourcefile,'rb') as i: with open (targetfile,'wb') as o: i.seek(0) s = py7zlib.Archive7z(i) while True: tmp = s.read(65536) if tmp : ...

Using Pylzma with streaming and 7Zip compatibility

I have been using pylzma for a little bit, but I have to be able to create files compatible with the 7zip windows application. The caveat is that some of my files are really large (3 to 4gb...

Python string as file in Skimage imread

I am doing the CIFAR challenge on Kaggle. They gave a .7z file that contains 50k pictures as train. It took me 1 hour to unzip it and then another 40 mins to read all the file and put it on...

How to compress a directory into 7zip password encrypted archive?

I want to compress a directory recursively into a password encrypted 7zip archive in a platform-independent way. I considered using these approaches, but none of them I found acceptable: Calling...

Pylzma decompression slow down

I am using https://github.com/fancycode/pylzma 's py7zlib.py to decompress a big file with ultra high compression rate. for example, a 7z file contains 450K small files At first, it decommpress...

How to install the pylzma library on Linux?

The pylzma library is a requirement for another tool that I would like to use. I am new to python and programming and have a few questions: I have already followed the procedure to download and...

Extracting 7z Console SFX (.exe) files using Python without using a subprocess?

I am using python 3.4 I have a crawler that is extracting 7z Console SFX files and I wish to extract them programmatically. Currently I have only been able to do so with a subprocess call: import...

Erroring when installing pylzma on python 2.7.9

I'm trying to install Pylzma via pip on python 2.7.9 and I'm getting the following error: C:\Python27\Scripts>pip.exe install pylzma Downloading/unpacking pylzma Running setup.py...

Decompressing LZMA with PHP

I have a load of SWF files compressed with LZMA that I would like to programatically decompress and read with PHP on my server. Can someone direct me to a PHP LZMA SDK? I've googled for it, but...

Python 2.7 pyLZMA works, Python 3.4 LZMA module does not

import sys import os import zlib try: import pylzma as lzma except ImportError: import lzma from io import StringIO import...

Python: How can I read a line from a compressed 7z file in Python?

I have a multi-GB 7z archive that contains a single xml file. I want to read a single line from this compressed file at a time till it's (the file's) EOF is reached on Python 3.4. I cannot afford...

pip installing to wrong folder even though `which pip` is correct

I'm using Mac OS X 10.10. I want to use pip to install packages for my homebrew installed version of python (located in /usr/local/bin/python, which is an alias that points to...

How to extract contents of exe-archive using python?

I haven an .exe installer, which can easily be opened with 7zip; and it's contents can be extracted without installing. I'm using pre-compiled 7z.exe and python's subprocess to extract it. import...

Spyder just "kernel died,restarting" when I run net.forward in pytorch

I am using PYTHON IDE spyder3.2.1 in anaconda2, with python2.7, ubuntu14.04 code is just simple as follows: import torch from torch.autograd import Variable import torch.nn as nn import...

Python 2.7 extract .xz file (on Windows) without using lzma

I have a program that requires unzipping of a .xz compressed archive, https://stackoverflow.com/questions/17217073/how-to-decompress-a-xz-file-which-has-multiple-folders-files-inside-in-a-singl....