# Pyrex > programming language to aid in creating Python modules **Wikidata**: [Q3411311](https://www.wikidata.org/wiki/Q3411311) **Wikipedia**: [English](https://en.wikipedia.org/wiki/Pyrex_(programming_language)) **Source**: https://4ort.xyz/entity/pyrex-q3411311 ## Summary Pyrex is a programming language designed to aid in creating Python modules. It was developed to allow programmers to write code that blends Python and C, enabling the creation of Python extension modules with improved performance. Pyrex was first published in 2002 and is closely related to the Cython language. ## Key Facts - Pyrex is a programming language used to aid in creating Python modules. - It was first published in 2002. - Pyrex is closely related to Cython, another programming language compatible with Python. - The official website for Pyrex is http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/. - Pyrex is described as a programming language to aid in creating Python modules on Wikidata. - The language is designed to blend Python and C code for creating Python extension modules. - Pyrex has a freebase_id of /m/092r2w. - The language is available in multiple Wikipedia languages, including English, French, Japanese, Russian, and Arabic. ## FAQs ### Q: What is Pyrex used for? A: Pyrex is a programming language used to aid in creating Python modules. It allows programmers to write code that blends Python and C, enabling the creation of Python extension modules with improved performance. ### Q: When was Pyrex first published? A: Pyrex was first published in 2002. ### Q: Is Pyrex related to Cython? A: Yes, Pyrex is closely related to Cython. Cython is a programming language compatible with Python that was developed after Pyrex. ### Q: Where can I find more information about Pyrex? A: You can find more information about Pyrex on its official website at http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/. ### Q: What is the main purpose of Pyrex? A: The main purpose of Pyrex is to aid in creating Python modules by allowing programmers to write code that blends Python and C, resulting in improved performance for Python extension modules. ## Why It Matters Pyrex matters because it addresses a significant challenge in Python development: the need for high-performance code. By allowing developers to write code that blends Python and C, Pyrex enables the creation of Python extension modules that can execute faster than pure Python code. This is particularly important for computationally intensive tasks or when interfacing with existing C libraries. Pyrex's approach of combining the ease of Python with the performance of C has influenced the development of similar tools, most notably Cython. The language has played a role in expanding Python's capabilities, making it more suitable for a wider range of applications, including scientific computing and data analysis. By lowering the barrier to creating efficient Python extensions, Pyrex has contributed to Python's growth as a versatile and powerful programming language. ## Notable For - Being one of the early languages designed to blend Python and C for creating Python extension modules. - Influencing the development of Cython, a more widely used language with similar goals. - Providing a way to improve the performance of Python code by allowing integration with C. - Having a simple syntax that is familiar to Python programmers, making it easier to adopt. - Contributing to the expansion of Python's capabilities in scientific computing and data analysis. ## Body ### Development and Purpose Pyrex was developed as a programming language to address the need for creating high-performance Python modules. It was first published in 2002, during a time when Python was gaining popularity but still faced limitations in terms of execution speed for certain tasks. The language was designed to allow programmers to write code that could seamlessly blend Python and C, enabling the creation of Python extension modules with improved performance. ### Relationship with Python and C Pyrex is closely tied to both Python and C. It uses Python's syntax and semantics as a starting point, making it familiar to Python programmers. However, it also allows for the inclusion of C code and data types, which can significantly improve the performance of the resulting modules. This hybrid approach allows developers to optimize critical parts of their code while still benefiting from Python's ease of use and extensive libraries. ### Influence on Cython While Pyrex itself is not as widely used today, it has had a significant influence on the development of Cython. Cython, which was first released in 2007, builds upon many of the concepts introduced by Pyrex but with additional features and improvements. The relationship between Pyrex and Cython demonstrates the ongoing evolution of tools designed to enhance Python's performance capabilities. ### Technical Aspects Pyrex code is compiled into C code, which is then compiled into a Python extension module. This process allows the resulting module to be imported and used like any other Python module, but with the potential for much higher performance. Pyrex supports most Python syntax, but also introduces additional syntax for declaring C data types and calling C functions directly. ### Availability and Documentation Pyrex has been documented in multiple languages, with Wikipedia pages available in English, French, Japanese, Russian, and Arabic. The official website, hosted by the University of Canterbury in New Zealand, provides resources for learning and using the language. Despite its age, Pyrex remains an important part of the history of Python optimization tools.