lzma Questions
4
According to this link How do I create 7-Zip archives with .NET? , WOPR tell us how to compress a file with LMZA (7z compression algorithm) using 7z SDK ( http://www.7-zip.org/sdk.html )
using Sev...
Niggerhead asked 4/10, 2011 at 10:14
12
Trying to use pyenv to build python versions on macOS, but every install I make ends up with
❯ python
>>> import lzma
ModuleNotFoundError: No module named '_lzma'
I have installed all ...
2
Solved
The following message means that Python has not been installed completely.
If Yes! Do I have to install the 'lzma' extension?
ModuleNotFoundError: No module name '_lzma'
Warning: The Python lzma e...
5
Solved
I need to open a .bi5 file and read the contents to cut a long story short. The problem: I have tens of thousands of .bi5 files containing time-series data that I need to decompress and process (re...
3
i have difficulties in using LZMA SDK in my application.
I would like to create a kind of single file compression tool. I dont need any directory support, just need only the LZMA2 stream. But i ha...
2
I am trying to create an environment based on a .yml file, the name of the file is env.yml . I run the following snippet on terminal:
conda env create -f env.yml
Then anaconda starts inst...
Armet asked 26/6, 2020 at 14:49
0
Background
I have an Android app which uses native ARM64 executables (essentially GCC toolchain, extracted to app directory (/data/data/%package%/somePath) on the first run) to do some work. Due to...
Gonsalves asked 21/11, 2020 at 20:45
3
I know how to create zip archive:
import java.io.*;
import java.util.zip.*;
public class ZipCreateExample{
public static void main(String[] args) throws Exception
// input file
FileInputStrea...
2
I am trying to decompress a .7z (or .xz or .lzma) file using
boost library 1.67.0 on a Linux platform
with the following code:
vector<T> readFromCompressedFile(string input_file_path,...
Casey asked 27/4, 2018 at 23:44
3
On Ubuntu 18.04 with python 3.7.3, I'm attempting to import pandas but this fails because it can't find _lzma.
I've verified that _lzma is installed with dpkg:
/usr/lib/python3.7/lib-dynload/_...
Typewriter asked 19/7, 2019 at 13:13
1
I was trying to decompress a 7z file using python, but I can't seem to figure it out. I figured I could use the lzma module in python 3, but I can't seem to figure it out:
I thought it would...
Witch asked 23/5, 2017 at 10:26
6
http://www.7-zip.org/sdk.html
This site provide a LZMA SDK for compress/decompress files, I would like to give it a shot but I am lost.
Anyone got experience on this? Or a tutorial? Thanks.
2
Solved
I have a 7zip archive craeted with LZMA2 compression (compression level: ultra).
The archive contains 1,749 files, which in total originally had a size of 661mb.
The zipped file is 39mb in size.
N...
Counterblast asked 25/4, 2017 at 9:14
4
Solved
TLDR; Of the various compression algorithms available in python gzip, bz2, lzma, etc, which has the best decompression performance?
Full discussion:
Python 3 has various modules for compressing/d...
Acarpous asked 21/6, 2019 at 18:24
1
Solved
I have been working for a long time with .bz2 files. To unpack/decompress .bz2 files into a specific folder I have been using the following function:
destination_folder = 'unpacked/'
def decompre...
Gauze asked 15/3, 2019 at 13:59
2
Solved
I'm experimenting with the lzma module in Python 2.7.6 to see if I could create compressed files using the XZ format for a future project that will make use of it. My code used during the experimen...
9
Solved
Whenever I see some source packages or binaries which are compressed with GZip I wonder if there are still reasons to favor gz over xz (excluding time travel to 2000), the savings of the LZMA...
Procto asked 27/6, 2011 at 13:5
1
Solved
I have a large .xz file (few gigabytes). It's full of plain text. I want to process the text to create custom dataset. I want to read it line by line because it is too big. Anyone have an idea how ...
1
Solved
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 hav...
Bumgarner asked 25/9, 2015 at 16:15
1
I am installing R 3.3.1 from source. During ./configure --enable-R-shlib execution, error pops up:
checking for lzma_version_number in -llzma... yes
checking lzma.h usability... yes
checking lzma....
3
Solved
I'm trying to use LzmaLib's LzmaCompress() and LzmaDecompress() with buffers, adapting the examples provided here.
I'm testing with a ~3MB buffer and the compression function seems to work fine (p...
Skivvy asked 22/11, 2016 at 2:43
1
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?
Engen asked 10/5, 2013 at 8:1
1
Solved
I am using the built in lzma python to decode compressed chunk of data. Depending on the chunk of data, I get the following exception :
Compressed data ended before the end-of-stream marker was re...
Beaverboard asked 23/5, 2016 at 21:7
2
I have a giant file, let's call it one-csv-file.xz. It is an XZ-compressed CSV file.
How can I open and parse through the file without first decompressing it to disk? What if the file is, for exam...
Nellie asked 22/2, 2015 at 2:38
1
Solved
Making some research on the net, I found that one of the most recent, optimized and high-performance algorithms for data compression, especially in term of compression ratio and decompression time ...
Physoclistous asked 3/2, 2016 at 1:10
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