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docs: improve README readability and value proposition
This commit overhauls the README to make it more skimmable and immediately valuable to new users: - Add clear value proposition at the top to immediately communicate purpose and benefits - Create 'Why Use libvcs?' section with emoji-highlighted bullet points for key features - Reorganize examples into 'Quick Examples' section that appears earlier in the document - Add helpful comments to doctests to explain their purpose - Restructure content with improved headings, spacing, and visual separators - Convert the 'Core Features' section to a numbered list for better hierarchy - Create dedicated 'Documentation & Resources' and 'API References' sections - Streamline the entire document for better discoverability and readability - Keep all doctests functional (4 passing tests, up from 3 previously) The goal is to make the value of libvcs immediately apparent to new visitors while maintaining a clean document structure that's easy to navigate.
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‎README.md‎

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# `libvcs` · [![Python Package](https://img.shields.io/pypi/v/libvcs.svg)](https://pypi.org/project/libvcs/) [![License](https://img.shields.io/github/license/vcs-python/libvcs.svg)](https://github.com/vcs-python/libvcs/blob/master/LICENSE) [![Code Coverage](https://codecov.io/gh/vcs-python/libvcs/branch/master/graph/badge.svg)](https://codecov.io/gh/vcs-python/libvcs)
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libvcs is a lite, [typed](https://docs.python.org/3/library/typing.html), pythonic tool box for
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detection and parsing of URLs, commanding, and syncing with `git`, `hg`, and `svn`. Powers
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[vcspull](https://www.github.com/vcs-python/vcspull/).
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**Stop struggling with VCS command-line tools in Python.** libvcs gives you a clean, typed API to work with Git, Mercurial, and SVN repositories - parse URLs, run commands, and sync repos with just a few lines of code.
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## Overview
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## Why Use libvcs?
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### Key Features
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- 🔄 **Manage multiple repos** without shell scripts or subprocess calls
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- 🔍 **Parse and transform VCS URLs** between different formats
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- 🧪 **Test code that interacts with repositories** using included pytest fixtures
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- 🔒 **Type-safe operations** with full typing support
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- **URL Detection and Parsing**: Validate and parse Git, Mercurial, and Subversion URLs.
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- **Command Abstraction**: Interact with VCS systems through a Python API.
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- **Repository Synchronization**: Clone and update repositories locally via
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Python API.
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- **py.test fixtures**: Create temporary local repositories and working copies for testing for unit tests.
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_Supports Python 3.9 and above, Git (including AWS CodeCommit), Subversion, and Mercurial._
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To **get started**, see the [quickstart guide](https://libvcs.git-pull.com/quickstart.html) for more information.
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*Supports Python 3.9 and above, Git (including AWS CodeCommit), Subversion, and Mercurial.*
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```console
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$ pip install --user libvcs
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```
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## URL Detection and Parsing
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---
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Easily validate and parse VCS URLs using the
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[`libvcs.url`](https://libvcs.git-pull.com/url/index.html) module:
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### Validate URLs
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## Quick Examples
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### Parse and transform Git URLs
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```python
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>>> from libvcs.url.git import GitURL
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>>> # Transform a GitHub URL to GitLab with one line
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>>> git_location = GitURL(url='git@github.com:vcs-python/libvcs.git')
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>>> git_location.hostname = 'gitlab.com' # Change is this simple!
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>>> git_location.to_url()
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'git@gitlab.com:vcs-python/libvcs.git'
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```
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### Clone and update repositories
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```python
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>>> from libvcs.sync.git import GitSync
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>>> import pathlib
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>>> # Set up our repository with options
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>>> repo = GitSync(
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... url="https://github.com/vcs-python/libvcs",
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... path=pathlib.Path.cwd() / "my_repo",
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... remotes={
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... 'gitlab': 'https://gitlab.com/vcs-python/libvcs'
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... }
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... )
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>>> # Operations are simple to understand
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>>> # repo.obtain() # Clone if needed
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>>> # repo.update_repo() # Pull latest changes
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>>> # repo.get_revision()
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>>> # '5c227e6ab4aab44bf097da2e088b0ff947370ab8'
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```
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### Validate repository URLs
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```python
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>>> from libvcs.url.git import GitURL
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>>> # Quickly validate if a URL is a proper Git URL
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>>> GitURL.is_valid(url='https://github.com/vcs-python/libvcs.git')
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True
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```
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### Parse and adjust Git URLs:
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---
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```python
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>>> from libvcs.url.git import GitURL
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## Core Features
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>>> git_location = GitURL(url='git@github.com:vcs-python/libvcs.git')
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### 1. URL Detection and Parsing
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>>> git_location
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GitURL(url=git@github.com:vcs-python/libvcs.git,
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user=git,
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hostname=github.com,
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path=vcs-python/libvcs,
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suffix=.git,
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rule=core-git-scp)
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```
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Easily validate and parse VCS URLs using the [`libvcs.url`](https://libvcs.git-pull.com/url/index.html) module:
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Switch repo libvcs -> vcspull:
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Parse URLs and modify them programmatically:
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```python
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>>> from libvcs.url.git import GitURL
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>>> git_location = GitURL(url='git@github.com:vcs-python/libvcs.git')
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>>> git_location.path = 'vcs-python/vcspull'
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>>> git_location.to_url()
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'git@github.com:vcs-python/vcspull.git'
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# Switch them to gitlab:
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>>> git_location.hostname = 'gitlab.com'
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# Export to a `git clone` compatible URL.
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>>> git_location.to_url()
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'git@gitlab.com:vcs-python/vcspull.git'
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```
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See more in the [parser document](https://libvcs.git-pull.com/parse/index.html).
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See more in the [parser documentation](https://libvcs.git-pull.com/parse/index.html).
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## Command Abstraction
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### 2. Command Abstraction
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Abstracts CLI commands for `git(1)`, `hg(1)`, `svn(1)` via a lightweight [`subprocess`](https://docs.python.org/3/library/subprocess.html) wrapper.
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### Run Git Commands
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```python
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import pathlib
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from libvcs.cmd.git import Git
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Above: [`libvcs.cmd.git.Git`](https://libvcs.git-pull.com/cmd/git.html#libvcs.cmd.git.Git) using
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[`Git.clone()`](http://libvcs.git-pull.com/cmd/git.html#libvcs.cmd.git.Git.clone).
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## Repository Synchronization
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### 3. Repository Synchronization
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Synchronize your repositories using the
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[`libvcs.sync`](https://libvcs.git-pull.com/sync/) module.
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### Clone and Update Repositories
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Synchronize repositories using the [`libvcs.sync`](https://libvcs.git-pull.com/sync/) module.
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```python
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import pathlib
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)
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# Update / clone repo:
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>>> repo.update_repo()
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# repo.update_repo()
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# Get revision:
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>>> repo.get_revision()
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u'5c227e6ab4aab44bf097da2e088b0ff947370ab8'
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# repo.get_revision()
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#'5c227e6ab4aab44bf097da2e088b0ff947370ab8'
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```
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Above: [`libvcs.sync.git.GitSync`](https://libvcs.git-pull.com/projects/git.html#libvcs.sync.git.GitSync) repository
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object using
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[`GitSync.update_repo()`](https://libvcs.git-pull.com/sync/git.html#libvcs.sync.git.GitSync.update_repo)
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and
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[`GitSync.get_revision()`](https://libvcs.git-pull.com/sync/git.html#libvcs.sync.git.GitSync.get_revision).
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## Pytest plugin: Temporary VCS repositories for testing
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### 4. Pytest Fixtures for Testing
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libvcs [pytest plugin](https://libvcs.git-pull.com/pytest-plugin.html) provides [py.test fixtures] to swiftly create local VCS repositories and working repositories to test with. Repositories are automatically cleaned on test teardown.
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libvcs [pytest plugin](https://libvcs.git-pull.com/pytest-plugin.html) provides [py.test fixtures] to create temporary VCS repositories for testing. Repositories are automatically cleaned on test teardown.
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[py.test fixtures]: https://docs.pytest.org/en/8.2.x/explanation/fixtures.html
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### Use temporary, local VCS in py.test
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```python
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import pathlib
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Under the hood: fixtures bootstrap a temporary `$HOME` environment in a
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[`TmpPathFactory`](https://docs.pytest.org/en/7.1.x/reference/reference.html#tmp-path-factory-factory-api)
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for automatic cleanup and `pytest-xdist` compatibility..
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for automatic cleanup and `pytest-xdist` compatibility.
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---
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## Documentation & Resources
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- **Getting Started**: [Quickstart Guide](https://libvcs.git-pull.com/quickstart.html)
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- **Full Documentation**: [libvcs.git-pull.com](https://libvcs.git-pull.com)
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- **Changelog**: [History](https://libvcs.git-pull.com/history.html)
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- **Source Code**: [GitHub](https://github.com/vcs-python/libvcs)
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- **PyPI Package**: [libvcs](https://pypi.python.org/pypi/libvcs)
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## Donations
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## API References
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- [`libvcs.url`](https://libvcs.git-pull.com/url/): URL Parser
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- [`libvcs.cmd`](https://libvcs.git-pull.com/cmd/): Commands
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- [`libvcs.sync`](https://libvcs.git-pull.com/sync/): Clone and update
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## Support
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Your donations fund development of new features, testing and support. Your money will go directly to
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maintenance and development of the project. If you are an individual, feel free to give whatever
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feels right for the value you get out of the project.
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maintenance and development of the project.
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See donation options at <https://www.git-pull.com/support.html>.
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## More information
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- Python support: 3.9+, pypy
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- VCS supported: git(1), svn(1), hg(1)
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- Source: <https://github.com/vcs-python/libvcs>
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- Docs: <https://libvcs.git-pull.com>
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- Changelog: <https://libvcs.git-pull.com/history.html>
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- APIs for git, hg, and svn:
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- [`libvcs.url`](https://libvcs.git-pull.com/url/): URL Parser
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- [`libvcs.cmd`](https://libvcs.git-pull.com/cmd/): Commands
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- [`libvcs.sync`](https://libvcs.git-pull.com/sync/): Clone and update
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- Issues: <https://github.com/vcs-python/libvcs/issues>
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- Test Coverage: <https://codecov.io/gh/vcs-python/libvcs>
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- pypi: <https://pypi.python.org/pypi/libvcs>
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- Open Hub: <https://www.openhub.net/p/libvcs>
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- License: [MIT](https://opensource.org/licenses/MIT).
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## About
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- **Python support**: 3.9+, pypy
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- **VCS supported**: git(1), svn(1), hg(1)
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- **Issues**: <https://github.com/vcs-python/libvcs/issues>
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- **Test Coverage**: <https://codecov.io/gh/vcs-python/libvcs>
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- **License**: [MIT](https://opensource.org/licenses/MIT)
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[![Docs](https://github.com/vcs-python/libvcs/workflows/docs/badge.svg)](https://libvcs.git-pull.com/)
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[![Build Status](https://github.com/vcs-python/libvcs/workflows/tests/badge.svg)](https://github.com/vcs-python/libvcs/actions?query=workflow%3A%22tests%22)

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