Distutils python version for windows

I am trying to install opencv, dlib on windows 10 on anaconda python 3. I am trying to build extensions on windows 64bit, using the free windows sdk compilers. A version number consists of a series of numbers, separated by either periods or strings of letters. This document is being retained solely until the setuptools documentation at. However, if you have a distutils more recent than your python, you might want to install it. There are now webbased installers for windows platforms. I am sure there will be alternative ways to do things and that i will make mistakes.

For every field that is filled out correctly, points will be rewarded, some fields are optional but the more you provide the more you will get rewarded. A workaround would be to specify the version of python used to run configure. To use mingw to compile python extensions you have to patch the distutilscygwinccompiler. The reasons why the installer doesnt finds python is the transparent 32bit emulation from windows 7. Apr 01, 2016 this python module adds test to the commands in the distutils package. This document describes the python distribution utilities distutils from the module developers point of view, describing how to use the distutils to make python modules and extensions easily available to a wider audience with very little overhead for buildreleaseinstall mechanics. Note that you may need to install a 32bit version of python and target the dll to win32 and not x64. But i cant find any official documentation on how to do this, and everything i have tried so far has failed in frustrating ways. Distutils building python extensions on 64bit windows.

Distributing python modules legacy version python 2. This module provides msvccompiler, an implementation of the abstract ccompiler class for microsoft visual studio. Provides classes to represent module version numbers one class for each style of version numbering. I have installed visual studio 2015 as prerequisite along with cmake. How do you uninstall a python package that was installed. To use mingw to compile python extensions you have to patch the distutils cygwinccompiler. By the way, if you are using distutils also consider using the multi version feature. The distutils package provides support for building and installing additional modules into a python installation. I have recently used distutils for the first time and thought i would share what i have learned. This document describes the python distribution utilities distutils from the module developers point of view, describing the underlying capabilities that setuptools builds on to allow python developers to make python modules and extensions readily available to a wider audience. That means you do not need to delete an old version of a package if you simply want to install a newer version.

The new modules may be either 100%pure python, or may be extension modules written in c, or may be collections of python packages which include modules coded in both python and. Version numbering for anal retentives and software idealists. The following are code examples for showing how to use distutils. This python module adds test to the commands in the distutils package. The prerelease tag consists of the letter a or b followed by a number. The distutils package provides support for building and installing additional.

A version number consists of two or three dotseparated numeric components, with an optional prerelease tag on the end. On platforms with a commandline unix, doswindows, each of these is a string that will be split. This will be true for both 32bit and 64bit implementations of the launcher a 32bit launcher will prefer to execute a 64bit python installation of the specified version if available. I dont see what problem youre trying to solve by having the python version number in the. In practice, this means that with the correct tools installed, you can use a 32bit version of windows to create 64bit extensions and viceversa. Cythonextensionsonwindows cythoncython wiki github. The new modules may be either 100%pure python, or may be extension modules written in c, or may be collections of python packages which include modules coded in both python and c. Changing the version comparison module in distutils.

It allows to write a version number very close to the upstream version, handling parts of the version number which should be considered less than another version using the tilde character, e. Note that these provide an older version than the installation options mentioned above. The installer lists 32bit and 64bit installations of python on the machine. When comparing version numbers, the numeric components will be compared numerically, and. You can vote up the examples you like or vote down the ones you dont like. Distutils is a mechanism to distribute python packages and extensions. When you run cython, it tries to use the compiler from microsoft visual studio 2008 usually by default, even if its not installed.

In python there are no real restrictions yet on how a project should manage its versions, and how they should be incremented. Distributing python modules legacy version python 3. Moving setup to a new version of python is tedious. Preparing windows build environment pywavelets documentation. Distutils provides a version distribution metadata field but it is freeform and current users, such as pypi usually consider the latest version pushed as the latest one, regardless of the expected semantics.

Python more specifically, the distutils package remembers how it was built when it was built from its source code, and takes that to be the default compiler settings. Also, if you have ever installed an older python version especially distributions from pythonware, you may have to remove references to it from your autoexec. Users have to figure out where the needed libraries, such as zlib, are installed. This document describes the python distribution utilities distutils from the module. This is probably also the reason why distutils links extensions against msvcr90. When i am trying to install dlib on my computer it is. First thing to do is verify the python installation, python version and some modules. This step is necessary because python for windows is itself built with visual studio 2015 version 14. It downloads a broken version of distutils as of oct. By the way, if you are using distutils also consider using the multiversion feature. Disable installation of windowsspecific files on nonwindows systems.

Python package index tutorial by jeremy hylton covers the use of the distutils register command. Supporting windows using appveyor python packaging user guide. Now the problem is that depending on which python version you want to compile your extension for, you need a different version of the sdk, because they are not crosscompatible. It allows you to have multiple versions of any single package installed. Implements the standard interface for version number classes as described above. Distutils module was included in standard distribution in python 1. Apr 06, 2015 when you run cython, it tries to use the compiler from microsoft visual studio 2008 usually by default, even if its not installed. Supporting windows using appveyor python packaging user. This works even if you have multiple versions of python around. Is there any pythonversionspecific info the in the. For windows, this command should be run from a command prompt window start. All this is based on my own hacking and struggling to get things to work. Norton antivirus 2000 can cause blue screen crashes on windows 98 when a function in the os. For ubuntu the packages cython and cython3 are available.