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# Introduction
pyosmium is a library to efficiently read and process OpenStreetMap data files. It is based on the osmium library for reading and writing data and adds convenience functions that allow you to set up fast processing pipelines in Pythons that can handle even planet-sized data.
This manual comes in three parts:
* the [**User Manual**](user_manual.md) introduces the concepts and functionalities of pyosmium
* the [**Cookbook**](cookbooks.md) shows how to solve typical OSM data processing challenges with pyosmium
* the [**Reference**](reference.md) contains a complete list of classes and functions.
## Installation
The recommended way to install pyosmium is via pip:
pip install osmium
Binary wheels are provided for all actively maintained Python versions on
Linux, MacOS and Windows 64bit.
### Installing from Source
To compile pyosmium from source or when installing it from the source wheel,
the following additional dependencies need to be available:
* [libosmium](https://github.com/osmcode/libosmium) >= 2.16.0
* [protozero](https://github.com/mapbox/protozero)
* [cmake](https://cmake.org/)
* [expat](https://libexpat.github.io/)
* [libz](https://www.zlib.net/)
* [libbz2](https://www.sourceware.org/bzip2/)
* [Python Requests](https://docs.python-requests.org/en/master/)
* a recent C++ compiler (Clang 3.4+, GCC 4.8+)
The following additional dependencies are automatically installed as part
of the build process:
* [scikit-build-core](https://scikit-build-core.readthedocs.io/en/latest/)
* [Pybind11](https://github.com/pybind/pybind11)
On Debian/Ubuntu-like systems, the following command installs all required
packages:
sudo apt-get install python3-dev build-essential cmake \
libexpat1-dev zlib1g-dev libbz2-dev
Compatible versions of libosmium and protozero are shipped with the source
wheel. When building from source, you need to download the source code of these
two libraries and put it in the subdirectory 'contrib'. Alternatively,
if you already have the sources somewhere else,
point pyosmium to the source code location by setting the
CMake variables `Libosmium_ROOT` and `Protozero_ROOT`.
To compile and install the bindings, run
pip install [--user] .
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