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msgpack 0.6.1
One-liner (summary)
Description
MessagePack for Python
What's this
MessagePack is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON. But it's faster and smaller. This package provides CPython bindings for reading and writing MessagePack data.
Very important notes for existing users
PyPI package name
TL;DR: When upgrading from msgpack-0.4 or earlier, don't do pip install -U msgpack-python. Do pip uninstall msgpack-python; pip install msgpack instead.
Package name on PyPI was changed to msgpack from 0.5. I upload transitional package (msgpack-python 0.5 which depending on msgpack) for smooth transition from msgpack-python to msgpack.
Sadly, this doesn't work for upgrade install. After pip install -U msgpack-python, msgpack is removed and import msgpack fail.
Deprecating encoding option
encoding and unicode_errors options are deprecated.
In case of packer, use UTF-8 always. Storing other than UTF-8 is not recommended.
For backward compatibility, you can use use_bin_type=False and pack bytes object into msgpack raw type.
In case of unpacker, there is new raw option. It is True by default for backward compatibility, but it is changed to False in near future. You can use raw=False instead of encoding='utf-8'.
Planned backward incompatible changes
When msgpack 1.0, I planning these breaking changes:
- packer and unpacker: Remove encoding and unicode_errors option.
- packer: Change default of use_bin_type option from False to True.
- unpacker: Change default of raw option from True to False.
- unpacker: Reduce all max_xxx_len options for typical usage.
- unpacker: Remove write_bytes option from all methods.
To avoid these breaking changes breaks your application, please:
- Don't use deprecated options.
- Pass use_bin_type and raw options explicitly.
- If your application handle large (>1MB) data, specify max_xxx_len options too.
Install
$ pip install msgpack
PyPy
msgpack provides a pure Python implementation. PyPy can use this.
Windows
When you can't use a binary distribution, you need to install Visual Studio or Windows SDK on Windows. Without extension, using pure Python implementation on CPython runs slowly.
For Python 2.7, Microsoft Visual C++ Compiler for Python 2.7 is recommended solution.
For Python 3.5, Microsoft Visual Studio 2015 Community Edition or Express Edition can be used to build extension module.
How to use
One-shot pack & unpack
Use packb for packing and unpackb for unpacking. msgpack provides dumps and loads as an alias for compatibility with json and pickle.
pack and dump packs to a file-like object. unpack and load unpacks from a file-like object.
>>> import msgpack >>> msgpack.packb([1, 2, 3], use_bin_type=True) '\x93\x01\x02\x03' >>> msgpack.unpackb(_, raw=False) [1, 2, 3]
unpack unpacks msgpack's array to Python's list, but can also unpack to tuple:
>>> msgpack.unpackb(b'\x93\x01\x02\x03', use_list=False, raw=False) (1, 2, 3)
You should always specify the use_list keyword argument for backward compatibility. See performance issues relating to `use_list option`_ below.
Read the docstring for other options.
Streami
Status | Completed |
---|---|
Checksum (MD5) | 15b7e128a617cd2d9bf52f1bceda52e8 |
Checksum (SHA-1) | cec222c0999ffc5bd34f9db4eb1c37a286952a4f |
Checksum (SHA-256) | f111598d9c0ab26a5eb95f972b4c1d2d77377d0d402a68a29ca1a7176a6c21a9 |
Checksum (SHA-512) | a0a68b400f563ea8e52468633ad368e9815a0f436a2200cfcacaba439cd7829ba5… |
GPG Signature | |
Storage Region | Dublin, Ireland |
Type | Binary (contains binaries and binary artifacts) |
Uploaded At | 4 years, 10 months ago |
Uploaded By | |
Slug Id | msgpack-061-cp37-cp37m-linux_x86_64whl |
Unique Id | 7g2TjsUzKBrx |
Version (Raw) | 0.6.1 |
Version (Parsed) |
|
extended metadata | |
Abi | cp37m |
Classifiers | Intended Audience :: Developers | License :: OSI Approved :: Apache Software License | Programming Language :: Python :: 2 | Programming Language :: Python :: 2.7 | Programming Language :: Python :: 3 | Programming Language :: Python :: 3.5 | Programming Language :: Python :: 3.6 | Programming Language :: Python :: 3.7 | Programming Language :: Python :: Implementation :: CPython | Programming Language :: Python :: Implementation :: PyPy |
Homepage URL | https://msgpack.org/ |
Metadata Version | 2.1 |
Project Urls | Documentation, https://msgpack-python.readthedocs.io/ | Source, https://github.com/msgpack/msgpack-python | Tracker, https://github.com/msgpack/msgpack-python/issues |
Py Filetype | bdist_wheel |
Py Version | cp37 |
pkg | msgpack-0.6.1-cp37-cp37m-linux_… |
197
274.1 KB |
md5 | sha1 | sha256 | sha512 |
This package has 13 files/directories.
msgpack |
197 |
Security Scanning:
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Last scanned
19 hours ago
Scan result
Vulnerable
Vulnerability count
4
Max. severity
LowTarget: | ||
LOW |
CVE-1725-69291: library: vulnerability titlePackage Name: package_name Installed Version: 1.9.31 Fixed Version: 2.7.17 References: www.smith.com www.patterson.org www.wood.com |
|
LOW |
CVE-3511-68999: library: vulnerability titlePackage Name: package_name Installed Version: 1.4.2 Fixed Version: 2.10.56 References: www.day.com schmitt-hamilton.biz www.campos-zamora.org |
|
LOW |
CVE-8596-39820: library: vulnerability titlePackage Name: package_name Installed Version: 1.2.47 Fixed Version: 2.6.84 References: www.hardy.info www.nguyen.net dixon.info |
|
LOW |
CVE-8564-99980: library: vulnerability titlePackage Name: package_name Installed Version: 1.2.30 Fixed Version: 2.2.67 References: www.payne-knight.com lindsey-juarez.com reed.com |
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These instructions assume you have setup the repository first (or read it).
To install/use msgpack @ version 0.6.1 ...
pip install 'msgpack==0.6.1'
You can also install the latest version of this package:
pip install --upgrade 'msgpack'
If necessary, you can specify the repository directly:
pip install \
--index-url=https://dl.cloudsmith.io/public/agriconnect/python-musl/python/simple/ \
msgpack==0.6.1
If you've got a project requirements.txt file, you can specify this as a dependency:
--index-url=https://dl.cloudsmith.io/public/agriconnect/python-musl/python/simple/
msgpack==0.6.1
In addition, you can use this repository as an extra index url. However, please read our documentation on this parameter before using it. For example in a requirements.txt file:
--extra-index-url=https://dl.cloudsmith.io/public/agriconnect/python-musl/python/simple/
msgpack==0.6.1