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Packages starting with 'C'

842 packages · page 17 of 22

Packages

couchbase With conditions
PyPI · Libraries · released Jun 2026

Python client library for connecting to and querying Couchbase Server, a NoSQL database, with support for key-value operations, queries, and document management.

However, be aware of one known vulnerability (PYSEC-2023-235) that needs verification for this release, and plan for medium install friction on platforms without…

Apache-2.0compiled wheel · 3.7+1 known vulnerabilities
859.8Kdownloads / mo
CouchDB Skip
PyPI · Python Modules · released Feb 2018

A Python client library for interacting with CouchDB databases, providing document CRUD operations, design document management, object-to-document mapping, and command-line tools for database administration.

BSD-3-Clausepure Pythonabandoned
300.2Kdownloads / mo
country-converter With conditions
PyPI · Scientific/Engineering · released Oct 2025

Converts and matches country names across different classification standards (ISO 2/3 letter codes, numeric codes, UN/EU/OECD membership schemes) using regex-based matching and can build concordance matrices between schemes.

Install it if you regularly work with messy country data and can accept the copyleft requirement.

GPL-3.0-onlypure Pythonaging
2.5Mdownloads / mo
country_list Worth it
PyPI · Utilities · released Nov 2023

Provides ISO 3166-1 country codes and names in multiple languages, queryable by language or country code.

Install it if you need ISO 3166-1 country codes and names in multiple languages; skip it only if you already have country data embedded elsewhere or need real-time…

MITpure Python
84.4Kdownloads / mo
countryinfo Worth it
PyPI · Libraries · released Mar 2026

Countryinfo provides a Python interface to query comprehensive geographic and administrative data for any country, including ISO codes, capitals, currencies, languages, borders, and GeoJSON boundaries.

Install it if you need to work with country codes, geographic data, or reference information in a Python application.

MITpure Python · 3.11+
614.7Kdownloads / mo
courlan Worth it
PyPI · WWW/HTTP · released Jun 2026

Validates, normalizes, filters, and samples URLs for web crawling and document collection, removing spam, trackers, and low-value pages while respecting language and content-type constraints.

Install it if you are building a crawler or bulk collection pipeline and need to filter, normalize, or sample URLs at scale.

Apache-2.0pure Python · 3.10+
13.2Mdownloads / mo
courts-db Worth it
PyPI · Python Modules · released Mar 2026

Provides a searchable database of current and historical courts with string matching, date filtering, and bankruptcy court identification for legal research and case management applications.

Install it if you need reliable court name resolution or court metadata lookup.

BSD-2-Clausepure Python · 3.9+
395.3Kdownloads / mo
cov-core Skip
PyPI · Testing · released Nov 2014

cov-core provides the internal plugin infrastructure for coverage measurement in test frameworks like pytest, nose, and nose2.

MITbuilds from sourceabandoned
81.8Kdownloads / mo
covdefaults With conditions
PyPI · Quality Assurance · released Mar 2023

A coverage plugin that automatically applies sensible default settings for code coverage measurement, including branch tracking, strict thresholds, and platform/version-aware exclusion rules.

MITpure Python · 3.7+
616.7Kdownloads / mo
coverage Worth it
PyPI · Testing · released Aug 2026

Coverage.py measures which lines of Python code are executed during test runs, reporting coverage percentages and identifying untested code paths.

Install it if you want to measure test completeness or enforce coverage thresholds in your project.

permissive licensepure Python · 3.10+
335.8Mdownloads / mo
coverage-badge With conditions
PyPI · Testing · released Aug 2024

Generates SVG coverage badges from Coverage.py data files, displaying test coverage percentages in a visual format suitable for README files and CI/CD pipelines.

MITpure Python
355.4Kdownloads / mo
coverage-conditional-plugin With conditions
PyPI · Python Modules · released Jun 2023

A coverage.py plugin that applies conditional coverage rules based on environment markers, Python version, installed packages, or custom conditions, allowing code to be included or excluded from coverage measurement dynamically.

However, the dormant maintenance status (last release June 2023, no recent commits) means you should verify compatibility with your current coverage.py and Python…

MITpure Pythondormant
169.1Kdownloads / mo
coverage_enable_subprocess Skip
PyPI · Quality Assurance · released May 2016

Installs a .pth file that automatically enables coverage.py's subprocess tracking in your Python environment, allowing coverage measurement across spawned processes without manual instrumentation.

MITpure Pythonabandoned
223.7Kdownloads / mo
coverage-threshold With conditions
PyPI · Quality Assurance · released May 2025

Validates Python code coverage against configurable minimum thresholds at both global and per-file levels, reading from coverage.json and configuration files.

MITpure Python · 3.7+aging
110.8Kdownloads / mo
coveralls Worth it
PyPI · Testing · released Feb 2026

Uploads Python test coverage reports to coveralls.io, integrating with coverage.py to publish coverage metrics online.

Install it if you use coveralls.io for coverage tracking.

MITpure Python
1.2Mdownloads / mo
cowsay With conditions
PyPI · Utilities · released Sep 2023

Renders ASCII art animals and custom characters that display text messages, available as both a Python API and command-line tool.

However, dormant maintenance means no active support; install only if the current feature set meets your needs and you do not require ongoing updates.

copyleftpure Python · 3.8+dormant
830.0Kdownloads / mo
coze-workload-identity With conditions
PyPI · WWW/HTTP · released Jun 2026

Implements OAuth2.0 token exchange authentication for Coze workload identity, handling ID token retrieval and access token exchange with automatic caching and thread-safe operation.

permissive licensepure Python · 3.8+
84.5Kdownloads / mo
cpe With conditions
PyPI · Security · released Oct 2024

Parses, compares, and evaluates Common Platform Enumeration (CPE) identifiers in WFN, URI, and FS formats according to MITRE/NIST standards.

LGPL-3.0-onlybuilds from sourceaging
232.6Kdownloads / mo
cpex With conditions
PyPI · Python Modules · released Aug 2026

CPEX is a plugin framework that lets you intercept and enforce policies on AI agent operations through composable hooks and plugins, without modifying core application logic.

However, it is early-stage (0.1.3, released 2026-03-05) with 12 GitHub stars—evaluate stability and API maturity for your use case before committing to production.

Apache-2.0pure Python · 3.11+
76.5Kdownloads / mo
cpi Worth it
PyPI · Utilities · released Jan 2026

Adjusts U.S. dollar amounts for inflation using the Consumer Price Index, converting values to a target year's equivalent purchasing power.

Install it if you regularly work with historical U.S.

MITpure Python
139.2Kdownloads / mo
cplex With conditions
PyPI · Mathematics · released Jul 2026

Provides a Python interface to IBM CPLEX's optimization solver, enabling linear, quadratic, and mixed-integer programming from Python code.

However, verify that the Community Edition's restrictions (key limits, possible performance caps, commercial use terms) align with your project before committing to…

license unclearcompiled wheel · 3.10+
83.2Kdownloads / mo
cpm-kernels Skip
PyPI · Python Modules · released Mar 2022

Provides CUDA kernels optimized for CPM, enabling GPU-accelerated computation on NVIDIA hardware.

Install only if you are maintaining legacy CPM code that explicitly requires this exact version and your environment is locked to compatible CUDA/Python versions.

Apache-2.0pure Pythonabandoned
91.9Kdownloads / mo
cppclean Skip
PyPI · Quality Assurance · released Jul 2019

cppclean analyzes C++ source code to identify unused code, unnecessary includes, and structural problems that slow compilation in large codebases.

permissive licensebuilds from sourceabandoned
106.4Kdownloads / mo
CppHeaderParser Skip
PyPI · Software Development · released Nov 2016

Parses C++ header files and extracts their structure—classes, methods, properties, namespaces, and free functions—into a Python data structure for programmatic inspection.

BSD-3-Clausebuilds from sourceabandoned
82.1Kdownloads / mo
cpplint Worth it
PyPI · Quality Assurance · released Apr 2025

Cpplint is a command-line static code checker that scans C/C++ files for style violations against Google's C++ style guide, with support for recursive file discovery, custom file extensions, and multiple output formats.

BSD-3-Clausepure Python · 3.9+
624.1Kdownloads / mo
cppy With conditions
PyPI · Software Development · released Feb 2025

Cppy is a C++ header library that simplifies writing Python extension modules by providing a PyObject smart pointer that automatically manages reference counting and offers convenience methods for common object operations.

BSD-3-Clausepure Python · 3.7+
684.2Kdownloads / mo
cppyy-cling With conditions
PyPI · Software Development · released Dec 2024

Provides Cling, an LLVM-based interactive C++ interpreter, packaged as a library backend for cppyy to enable Python code to call C++ directly.

However, the dormant maintenance status means security updates and compatibility fixes may lag; verify that the package works with your target Python and C++ versions…

LGPL-2.0-or-latercompiled wheeldormant
112.7Kdownloads / mo
cpuset-py3 Skip
PyPI · Monitoring · released Dec 2020

Wraps Linux cpuset kernel facilities through Python to manage CPU and memory resource allocation on multi-core systems.

Install only if you are maintaining legacy code that already depends on it.

license unclearpure Pythonabandoned
363.9Kdownloads / mo
cql2 Worth it
PyPI · Text Processing · released Aug 2026

Parses, validates, and converts Common Query Language (CQL2) expressions between text, JSON, and SQL formats using a Rust backend.

permissive licensecompiled wheel · 3.10+
121.0Kdownloads / mo
cqlsh With conditions
PyPI · Front-Ends · released Apr 2026

cqlsh is a command-line client for executing CQL queries against Cassandra clusters, packaged as a standalone Python module instead of requiring a full Cassandra installation.

Apache-2.0pure Python · 3.10+
170.9Kdownloads / mo
craft-parts With conditions
PyPI · Build Tools · released Jun 2026

Craft Parts provides a declarative framework for obtaining, processing, and organizing data from multiple sources before packaging into a final artifact, primarily for Starcraft family applications.

Not recommended if you are outside the Starcraft ecosystem unless you specifically need its parts-processing abstraction.

license unclearpure Python · 3.10+
166.6Kdownloads / mo
cramjam Worth it
PyPI · Utilities · released Jul 2025

Provides fast Python bindings to multiple compression and decompression algorithms (Snappy, Brotli, Bzip2, Lz4, Gzip, Zlib, Deflate, ZSTD, XZ) implemented in Rust, with no system or Python dependencies required.

permissive licensecompiled wheel · 3.8+
34.7Mdownloads / mo
crashtest With conditions
PyPI · released Nov 2022

Crashtest provides utilities to catch, inspect, and handle Python exceptions with more detail and clarity than the standard library offers.

However, verify that its specific inspection capabilities match your use case before committing, since the fact sheet does not detail what it offers beyond the…

MITpure Python
83.3Mdownloads / mo
Crawl4AI Worth it
PyPI · WWW/HTTP · released Jul 2026

Crawl4AI is an async web crawler and scraper that converts web pages into clean, LLM-ready Markdown and structured data, with support for JavaScript execution, browser control, and LLM-driven extraction.

Apache-2.0pure Python · 3.10+
1.8Mdownloads / mo
crawlee Worth it
PyPI · Libraries · released Aug 2026

Crawlee is a web scraping and browser automation library that handles both HTTP-based and headless browser crawling with built-in parallel execution, proxy rotation, request routing, and persistent URL queuing.

Apache-2.0pure Python · 3.10+
899.0Kdownloads / mo
crawlerdetect Worth it
PyPI · WWW/HTTP · released Jul 2026

Identifies bots, crawlers, and spiders by analyzing user agents and HTTP headers against a pattern database of 1462 crawler signatures.

MITpure Python
136.9Kdownloads / mo
crayons With conditions
PyPI · Terminals · released Aug 2020

Crayons provides colored text output for terminal applications by wrapping strings in ANSI color codes and automatically resetting to the original state afterward.

However, the abandoned status means no bug fixes or Python version updates will be released—use it only if you're comfortable with a stable but unmaintained package,…

MITpure Pythonabandoned
500.8Kdownloads / mo
crc Worth it
PyPI · Software Development · released Nov 2024

Calculate, verify, and manage CRC checksums using predefined configurations (CRC8, CRC16, CRC32, CRC64) or custom parameters.

BSD-3-Clausepure Pythonaging
911.0Kdownloads / mo
crc32c Worth it
PyPI · released Oct 2025

Computes CRC32C checksums using hardware acceleration when available (Intel SSE 4.2, ARMv8) or falls back to a software implementation, exposed as a function and a hashlib-compatible class.

LGPL-2.0-or-latercompiled wheel · 3.7+
34.1Mdownloads / mo
crccheck Worth it
PyPI · Scientific/Engineering · released Jul 2025

Calculates CRC and checksum values from binary data using parametrized algorithms from the CRC catalogue, supporting dozens of standard CRC variants and additive/XOR checksums.

Install it if you need standard CRC calculations; avoid it only if you require active feature development or real-time performance guarantees.

MITpure Pythonaging
2.2Mdownloads / mo