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python-zope-i18nmessageid 4.0.3 — Message identifiers for internationalization

Zope.i18nmessageid provides facilities for declaring internationalized messages within program source text.

python-zope-interface 4.6.0 — Python implementation of the "design by contract" methodology

Zope.interface provides an implementation of "object interfaces" for Python. Interfaces are a mechanism for labeling objects as conforming to a given API or contract.

python-zope-location 4.0.3 — Zope location library

Zope.location implements the concept of "locations" in Zope3, which are are special objects that have a structural location.

python-zope-proxy 4.1.6 — Generic, transparent proxies

Zope.proxy provides generic, transparent proxies for Python. Proxies are special objects which serve as mostly-transparent wrappers around another object, intervening in the apparent behavior of the wrapped object only when necessary to apply the policy (e.g., access checking, location brokering, etc.) for which the proxy is responsible.

python-zope-schema 4.4.2 — Zope data schemas

Zope.scheme provides extensions to zope.interface for defining data schemas.

python-zope-security 4.0.3 — Zope security framework provides a generic mechanism to implement security policies on Python objects.

python-zope-testing 4.6.2 — Zope testing helpers

Zope.testing provides a number of testing utilities for HTML forms, HTTP servers, regular expressions, and more.

python-zope-testrunner 4.4.9 — Zope testrunner script

Zope.testrunner provides a script for running Python tests.

python2 2.7.15 — High-level, dynamically-typed programming language

Python is a remarkably powerful dynamic programming language that is used in a wide variety of application domains. Some of its key distinguishing features include: clear, readable syntax; strong introspection capabilities; intuitive object orientation; natural expression of procedural code; full modularity, supporting hierarchical packages; exception-based error handling; and very high level dynamic data types.

python2-activepapers 0.2.2 — Executable papers for scientific computing

ActivePapers is a tool for working with executable papers, which combine data, code, and documentation in single-file packages, suitable for publication as supplementary material or on repositories such as figshare or Zenodo.

python2-alembic 1.0.10 — Database migration tool for SQLAlchemy

Alembic is a lightweight database migration tool for usage with the SQLAlchemy Database Toolkit for Python.

python2-amqp 2.3.2 — Low-level AMQP client for Python (fork of amqplib)

This is a fork of amqplib which was originally written by Barry Pederson. It is maintained by the Celery project, and used by kombu as a pure python alternative when librabbitmq is not available.

python2-anaconda-client 1.6.3 — Anaconda Cloud command line client library

Anaconda Cloud command line client library provides an interface to Anaconda Cloud. Anaconda Cloud is useful for sharing packages, notebooks and environments.

python2-aniso8601 1.3.0 — Python library for parsing ISO 8601 strings

This package contains a library for parsing ISO 8601 datetime strings.

python2-ansi2html 1.2.0 — Convert ANSI-decorated console output to HTML

ansi2html is a Python library and command line utility for convering text with ANSI color codes to HTML or LaTeX.

python2-anyjson 0.3.3 — Wraps best available JSON implementation in a common interface

Anyjson loads whichever is the fastest JSON module installed and provides a uniform API regardless of which JSON implementation is used.

python2-apache-libcloud 2.4.0 — Unified Cloud API

libcloud is a Python library for interacting with many of the popular cloud service providers using a unified API.

python2-apipkg 1.4 — Namespace control and lazy-import mechanism

With apipkg you can control the exported namespace of a Python package and greatly reduce the number of imports for your users. It is a small pure Python module that works on virtually all Python versions.

python2-apispec 0.25.3 — Swagger 2.0 API specification generator

python-apispec is a pluggable API specification generator. Currently supports the OpenAPI specification (f.k.a. Swagger 2.0).

python2-appdirs 1.4.3 — Determine platform-specific dirs, e.g. a "user data dir"

This module provides a portable way of finding out where user data should be stored on various operating systems.

python2-apsw 3.20.1-r1 — Another Python SQLite Wrapper

APSW is a Python wrapper for the SQLite embedded relational database engine. In contrast to other wrappers such as pysqlite it focuses on being a minimal layer over SQLite attempting just to translate the complete SQLite API into Python.

python2-argcomplete 1.7.0 — Shell tab completion for Python argparse

argcomplete provides extensible command line tab completion of arguments and options for Python scripts using argparse. It's particularly useful for programs with many options or sub-parsers that can dynamically suggest completions; for example, when browsing resources over the network.

python2-argparse 1.4.0 — Python command-line parsing library

This package is mostly for people who want to have argparse on older Pythons because it was not part of the standard library back then.

python2-args 0.1.0 — Command-line argument parser

This library provides a Python module to parse command-line arguments.

python2-arrow 0.10.0 — Dates and times for Python

Arrow is a Python library to creating, manipulating, formatting and converting dates, times, and timestamps. It implements and updates the datetime type.

python2-asn1crypto 0.24.0 — ASN.1 parser and serializer in Python

asn1crypto is an ASN.1 parser and serializer with definitions for private keys, public keys, certificates, CRL, OCSP, CMS, PKCS#3, PKCS#7, PKCS#8, PKCS#12, PKCS#5, X.509 and TSP.

python2-astor 0.7.1 — Read and write Python ASTs

Astor is designed to allow easy manipulation of Python source via the Abstract Syntax Tree.

python2-astroid 1.6.5 — Common base representation of python source code for pylint and other projects

python-astroid provides a common base representation of python source code for projects such as pychecker, pyreverse, pylint, etc.

It provides a compatible representation which comes from the _ast module. It rebuilds the tree generated by the builtin _ast module by recursively walking down the AST and building an extended ast. The new node classes have additional methods and attributes for different usages. They include some support for static inference and local name scopes. Furthermore, astroid builds partial trees by inspecting living objects.

python2-atomicwrites 1.1.5 — Atomic file writes in Python

Library for atomic file writes using platform dependent tools for atomic file system operations.

python2-attrs 19.1.0 — Attributes without boilerplate

attrs is a Python package with class decorators that ease the chores of implementing the most common attribute-related object protocols.

python2-attrs-bootstrap 17.4.0 — Attributes without boilerplate

attrs is a Python package with class decorators that ease the chores of implementing the most common attribute-related object protocols.

python2-autograd 0.0.0-0.442205d — Efficiently computes derivatives of NumPy code

Autograd can automatically differentiate native Python and NumPy code. It can handle a large subset of Python's features, including loops, ifs, recursion and closures, and it can even take derivatives of derivatives of derivatives. It supports reverse-mode differentiation (a.k.a. backpropagation), which means it can efficiently take gradients of scalar-valued functions with respect to array-valued arguments, as well as forward-mode differentiation, and the two can be composed arbitrarily. The main intended application of Autograd is gradient-based optimization.

python2-automat 0.7.0 — Self-service finite-state machines

Automat is a library for concise, idiomatic Python expression of finite-state automata (particularly deterministic finite-state transducers).

python2-autopep8 1.3.5 — Format Python code according to the PEP 8 style guide

autopep8 automatically formats Python code to conform to the PEP 8 style guide. It uses the pycodestyle utility to determine what parts of the code needs to be formatted. autopep8 is capable of fixing most of the formatting issues that can be reported by pycodestyle.

python2-axolotl 0.1.39 — Python port of libaxolotl-android

This is a python port of libaxolotl-android. This is a ratcheting forward secrecy protocol that works in synchronous and asynchronous messaging environments.

python2-axolotl-curve25519 0.1 — Python wrapper for curve25519 library

This is a python wrapper for the curve25519 library with ed25519 signatures. The C code was pulled from libaxolotl-android. At the moment this wrapper is meant for use by python-axolotl.

python2-babel 2.6.0 — Tools for internationalizing Python applications

Babel is composed of two major parts: - tools to build and work with gettext message catalogs - a Python interface to the CLDR (Common Locale Data Repository), providing access to various locale display names, localized number and date formatting, etc.

python2-backpack 0.1 — Utilities for working with Python collections

Backpack provides some useful utilities for working with collections of data.

python2-backport-ssl-match-hostname — Backport of ssl.match_hostname() function from Python 3.5

This backport brings the ssl.match_hostname() function to users of earlier versions of Python. The function checks the hostname in the certificate returned by the server to which a connection has been established, and verifies that it matches the intended target hostname.

python2-backports-abc 0.5 — Backport of additions to the '' module

Python-backports-abc provides a backport of additions to the module in Python-3.5.

python2-backports-csv 1.0.5 — Backport of Python 3's csv module for Python 2

Provides a backport of Python 3's csv module for parsing comma separated values. The API of the csv module in Python 2 is drastically different from the csv module in Python 3. This is due, for the most part, to the difference between str in Python 2 and Python 3.

python2-backports-functools-lru-cache 1.5 — Backport of functools.lru_cache from Python 3.3

python2-backports-functools-lru-cache is a backport of functools.lru_cache from python 3.3.

python2-backports-shutil-get-terminal-size 1.0.0 — Backport of Python 3.3's shutil.get_terminal_size

This package provides a backport of the get_terminal_size function from Python 3.3's shutil. Unlike the original version it is written in pure Python rather than C, so it might be a tiny bit slower.

python2-bandit 1.4.0 — Security oriented static analyser for python code

Bandit is a tool designed to find common security issues in Python code. To do this Bandit processes each file, builds an AST from it, and runs appropriate plugins against the AST nodes. Once Bandit has finished scanning all the files it generates a report.

python2-bcrypt 3.1.6 — Modern password hashing library

Bcrypt is a Python module which provides a password hashing method based on the Blowfish password hashing algorithm, as described in "A Future-Adaptable Password Scheme" by Niels Provos and David Mazieres.

python2-beautifulsoup4 4.7.1 — Python screen-scraping library

Beautiful Soup is a Python library designed for rapidly setting up screen-scraping projects. It offers Pythonic idioms for navigating, searching, and modifying a parse tree, providing a toolkit for dissecting a document and extracting what you need. It automatically converts incoming documents to Unicode and outgoing documents to UTF-8.

python2-behave-web-api 1.0.6 — Provides testing for JSON APIs with Behave for Python

This package provides testing utility modules for testing JSON APIs with Behave.

python2-betamax 0.8.1 — Record HTTP interactions with python-requests

Betamax will record your test suite's HTTP interactions and replay them during future tests. It is designed to work with python-requests.

python2-betamax-matchers 0.4.0 — VCR imitation for python-requests

betamax-matchers provides a set of Matchers for Betamax.

python2-bigfloat 0.3.0 — Arbitrary precision floating-point arithmetic for Python

This package provides a Python interface to the MPFR library for multiprecision arithmetic.

python2-billiard — Python multiprocessing fork with improvements and bugfixes

Billiard is a fork of the Python 2.7 multiprocessing package. The multiprocessing package itself is a renamed and updated version of R Oudkerk's pyprocessing package. This standalone variant is intended to be compatible with Python 2.4 and 2.5, and will draw its fixes/improvements from python-trunk.

python2-binaryornot 0.4.4 — Package to check if a file is binary or text

Ultra-lightweight pure Python package to check if a file is binary or text.

python2-biom-format 2.1.7 — Biological Observation Matrix (BIOM) format utilities

The BIOM file format is designed to be a general-use format for representing counts of observations e.g. operational taxonomic units, KEGG orthology groups or lipid types, in one or more biological samples e.g. microbiome samples, genomes, metagenomes.

python2-biopython 1.70 — Tools for biological computation in Python

Biopython is a set of tools for biological computation including parsers for bioinformatics files into Python data structures; interfaces to common bioinformatics programs; a standard sequence class and tools for performing common operations on them; code to perform data classification; code for dealing with alignments; code making it easy to split up parallelizable tasks into separate processes; and more.

python2-bleach 1.4.3 — Whitelist-based HTML-sanitizing tool

Bleach is an easy whitelist-based HTML-sanitizing tool.

python2-blessings 1.6.1 — Python module to manage terminal color, styling, and positioning

Blessings is a pythonic API to manipulate terminal color, styling, and positioning. It provides similar features to curses but avoids some of curses’s limitations: it does not require clearing the whole screen for little changes, provides a scroll-back buffer after the program exits, and avoids styling altogether when the output is redirected to something other than a terminal.

python2-blinker 1.4 — Fast, simple object-to-object and broadcast signaling

Blinker provides a fast dispatching system that allows any number of interested parties to subscribe to events, or "signals".

python2-blosc 1.5.1 — Python wrapper for the Blosc data compressor library

Blosc is a high performance compressor optimized for binary data. It has been designed to transmit data to the processor cache faster than the traditional, non-compressed, direct memory fetch approach via a memcpy() system call.

Blosc works well for compressing numerical arrays that contains data with relatively low entropy, like sparse data, time series, grids with regular-spaced values, etc.

This Python package wraps the Blosc library.

python2-booleanoperations 0.7.1 — Boolean operations on paths

BooleanOperations provides a Python library that enables boolean operations on paths.

python2-botocore 1.8.43 — Low-level interface to AWS

Botocore is a Python library that provides a low-level interface to the Amazon Web Services (AWS) API.

python2-bottle 0.12.13 — WSGI framework for small web-applications.

python-bottle is a WSGI framework for small web-applications.

python2-bx-python 0.8.2 — Tools for manipulating biological data

bx-python provides tools for manipulating biological data, particularly multiple sequence alignments.

python2-bz2file 0.98 — Read and write bzip2-compressed files

Bz2file is a Python library for reading and writing bzip2-compressed files. It contains a drop-in replacement for the I/O interface in the standard library's bz2 module, including features from the latest development version of CPython that are not available in older releases.

python2-cachecontrol 0.11.6 — The httplib2 caching algorithms for use with requests

CacheControl is a port of the caching algorithms in httplib2 for use with requests session objects.

python2-cairocffi 0.9.0 — Python bindings and object-oriented API for Cairo

Cairocffi is a CFFI-based drop-in replacement for Pycairo, a set of Python bindings and object-oriented API for cairo. Cairo is a 2D vector graphics library with support for multiple backends including image buffers, PNG, PostScript, PDF, and SVG file output.

python2-capstone 3.0.5 — Lightweight multi-platform, multi-architecture disassembly framework

Capstone is a lightweight multi-platform, multi-architecture disassembly framework. Capstone can disassemble machine code for many supported architectures such as x86, x86_64, arm, arm64, mips, ppc, sparc, sysz and xcore. It provides bindings for Python, Java, OCaml and more.

python2-capturer 2.4 — Capture stdout and stderr streams of the current process

The capturer package makes it easy to capture the stdout and stderr streams of the current process and subprocesses. Output can be relayed to the terminal in real time but is also available to the Python program for additional processing.

python2-carbon 1.0.2 — Backend data caching and persistence daemon for Graphite

Carbon is a backend data caching and persistence daemon for Graphite. Carbon is responsible for receiving metrics over the network, caching them in memory for "hot queries" from the Graphite-Web application, and persisting them to disk using the Whisper time-series library.

python2-ccm 2.1.6 — Cassandra Cluster Manager for Apache Cassandra clusters on localhost

Cassandra Cluster Manager is a development tool for testing local Cassandra clusters. It creates, launches and removes Cassandra clusters on localhost.

python2-celery 4.2.1 — Distributed Task Queue

Celery is an asynchronous task queue/job queue based on distributed message passing. It is focused on real-time operation, but supports scheduling as well. The execution units, called tasks, are executed concurrently on a single or more worker servers using multiprocessing, Eventlet, or gevent. Tasks can execute asynchronously (in the background) or synchronously (wait until ready).

python2-certifi 2019.3.9 — Python CA certificate bundle

Certifi is a Python library that contains a CA certificate bundle, which is used by the Requests library to verify HTTPS requests.

python2-cffi 1.11.5 — Foreign function interface for Python

Foreign Function Interface for Python calling C code.

python2-chai 1.1.2 — Mocking framework for Python

Chai provides an api for mocking, stubbing and spying your python objects, patterned after the Mocha library for Ruby.

python2-chardet 3.0.4 — Universal encoding detector for Python 2 and 3

This package provides chardet, a Python module that can automatically detect a wide range of file encodings.

python2-checkm-genome 1.0.13 — Assess the quality of putative genome bins

CheckM provides a set of tools for assessing the quality of genomes recovered from isolates, single cells, or metagenomes. It provides robust estimates of genome completeness and contamination by using collocated sets of genes that are ubiquitous and single-copy within a phylogenetic lineage. Assessment of genome quality can also be examined using plots depicting key genomic characteristics (e.g., GC, coding density) which highlight sequences outside the expected distributions of a typical genome. CheckM also provides tools for identifying genome bins that are likely candidates for merging based on marker set compatibility, similarity in genomic characteristics, and proximity within a reference genome.

python2-cheetah 3.1.0 — Template engine

Cheetah is a text-based template engine and Python code generator.

Cheetah can be used as a standalone templating utility or referenced as a library from other Python applications. It has many potential uses, but web developers looking for a viable alternative to ASP, JSP, PHP and PSP are expected to be its principle user group.


  1. Generates HTML, SGML, XML, SQL, Postscript, form email, LaTeX, or any other text-based format.

  2. Cleanly separates content, graphic design, and program code.

  3. Blends the power and flexibility of Python with a simple template language that non-programmers can understand.

  4. Gives template writers full access to any Python data structure, module, function, object, or method in their templates.

  5. Makes code reuse easy by providing an object-orientated interface to templates that is accessible from Python code or other Cheetah templates. One template can subclass another and selectively reimplement sections of it.

  6. Provides a simple, yet powerful, caching mechanism that can dramatically improve the performance of a dynamic website.

  7. Compiles templates into optimized, yet readable, Python code.

python2-cleo 0.6.1 — Command-line arguments library for Python

Cleo allows you to create command-line commands with signature in docstring and colored output.

python2-clf 0.5.7 — Search code snippets on

clf is a command line tool for searching code snippets on

python2-cliapp 1.20180812.1 — Python framework for command line programs

python2-cliapp is a python framework for command line programs. It contains the typical stuff such programs need to do, such as parsing the command line for options, and iterating over input files.

python2-click 7.0 — Command line library for Python

Click is a Python package for creating command line interfaces in a composable way with as little code as necessary. Its name stands for "Command Line Interface Creation Kit". It's highly configurable but comes with sensible defaults out of the box.

python2-clint 0.5.1 — Command-line interface tools

Clint is a Python module filled with a set of tools for developing command-line applications, including tools for colored and indented output, progress bar display, and pipes.

python2-cloudpickle 0.6.1 — Extended pickling support for Python objects

Cloudpickle makes it possible to serialize Python constructs not supported by the default pickle module from the Python standard library. It is especially useful for cluster computing where Python expressions are shipped over the network to execute on remote hosts, possibly close to the data.

python2-clyent 1.2.1 — Command line client library

Clyent is a Python command line utiliy library. It is used by binstar, binstar-build and chalmers.

python2-colorama 0.3.9 — Colored terminal text rendering for Python

Colorama is a Python library for rendering colored terminal text.

python2-coloredlogs 7.3 — Colored stream handler for Python's logging module

The coloredlogs package enables colored terminal output for Python's logging module. The ColoredFormatter class inherits from logging.Formatter and uses ANSI escape sequences to render your logging messages in color.

python2-colormath 3.0.0 — Color math and conversion library

This is a Python library for color math and conversions.

python2-colorspacious 1.1.0 — Python library for colorspace conversions

colorspacious is a Python library that lets you convert between colorspaces like sRGB, XYZ, CIEL*a*b*, CIECAM02, CAM02-UCS, etc.

python2-conda 4.3.16 — Cross-platform, OS-agnostic, system-level binary package manager

Conda is a cross-platform, Python-agnostic binary package manager. It is the package manager used by Anaconda installations, but it may be used for other systems as well. Conda makes environments first-class citizens, making it easy to create independent environments even for C libraries. Conda is written entirely in Python.

This package provides Conda as a library.

python2-configargparse 0.14.0 — Replacement for argparse

A drop-in replacement for argparse that allows options to also be set via config files and/or environment variables.

python2-configobj 5.0.6 — Config file reading, writing and validation

ConfigObj is a simple but powerful config file reader and writer: an ini file round tripper. Its main feature is that it is very easy to use, with a straightforward programmer’s interface and a simple syntax for config files.

python2-configparser 3.5.0 — Backport of configparser from python 3.5

python-configparser is a backport of configparser from Python 3.5 so that it can be used directly in other versions.

python2-constantly 15.1.0 — Symbolic constants in Python

Constantly is a Python library that provides symbolic constant support. It includes collections and constants with text, numeric, and bit flag values.

python2-consul 0.6.1 — Python client for Consul

Python client for Consul, a tool for service discovery, monitoring and configuration.

python2-contextlib2 0.5.5 — Tools for decorators and context managers

This module is primarily a backport of the Python 3.2 contextlib to earlier Python versions. Like contextlib, it provides utilities for common tasks involving decorators and context managers. It also contains additional features that are not part of the standard library.

python2-cookies 2.2.1 — HTTP cookie parser and renderer

A RFC 6265-compliant HTTP cookie parser and renderer in Python.

python2-couleur 0.6.2 — ANSI terminal tool for python, colored shell and other handy fancy features

Couleur provides python programs a way to use the ANSI features in a unix terminal such as coloured output in the shell, overwriting output, indentation, etc.

python2-cov-core 1.15.0 — Coverage plugin core for pytest-cov, nose-cov and nose2-cov

This is a library package for use by pytest-cov, nose-cov and nose2-cov. It is useful for developing coverage plugins for these testing frameworks.

python2-coverage 4.4.1 — Code coverage measurement for Python

Coverage measures code coverage, typically during test execution. It uses the code analysis tools and tracing hooks provided in the Python standard library to determine which lines are executable, and which have been executed.

python2-coverage-test-runner 1.15 — Python module for running unit tests

CoverageTestRunner is a python module for running unit tests and failing them if the unit test module does not exercise all statements in the module it tests.

python2-cram 0.7 — Simple testing framework for command line applications

Cram is a functional testing framework for command line applications. Cram tests look like snippets of interactive shell sessions. Cram runs each command and compares the command output in the test with the command’s actual output.

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