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Samuel Thomas
Samuel Thomas

Python 3.4 Download Mac

For most Unix systems, you must download and compile the source code. The same source code archive can also be used to build the Windows and Mac versions, and is the starting point for ports to all other platforms.

Python 3.4 Download Mac

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or, in many cases, public keys can also be foundat the version-specific download pages, you should see a link to both thedownloadable file and a detached signature file. To verify the authenticityof the download, grab both files and then run this command:

as you know the Mac comes with Python pre-installed, mine has the 2.7 version. I installed Python 3.4. I installed pip using the command sudo easy_install however it gets installed to the 2.7 version of Python and all the packages i download therefore get installed to the 2.7 version.Is there a way to install pip to the Python 3.4 version?Thank you in advance!

The first is using Macports as the package manager. There are separate ports for several python versions 2.x and 3.x currently 2.4, 2.5, 2.6, 2.7 and 3.1, 3.2, 3.3 3.4 and 3.5. For example to install 3.4 do sudo port install python34 There is also a python_select port that running it allows you to choose which version of python is run by /opt/bin/python. e,g, to select macports python 2.7 port select --set python python27

The other way is install direct from This will install a python into /usr/local/bin I think this installs a python and python3 executable. The issue with Homebrew is that it assumes that things in /usr/local are installed by it and so brew doctor will report these pythons and libraries as issues and as this question shows also the frameworks in /Library will be problematic.

EDIT 8/2018 *** I would now suggest using conda either miniconda or anaconda. This is another package manager but based and mainly meant for python, it also gives the equivalent of python's virtual environments and pyenv (as per other answer) and so each project can be in a different python and different libraries (Macports only switches python version for all projects)

First of all, make sure that Python 3 is available on your system. You can easily check this by opening the terminal and entering the command python3. If you need to install it, check out the Python homepage, or install it with homebrew (brew install python3) on OS X or your favorite Linux package manager.

If you are using OS X, download Xcode and install it. Then install the command-line tools by entering the following command in the terminal: xcode-select --install. This adds a number of tools to your system, such as make, git, gcc, c++ and g++.

Python comes pre-installed on Mac OS X so it is easy to startusing. However, to take advantage of the latest versions ofPython, you will need to download and install newer versionsalongside the system ones. The easiest way to do that is toinstall one of the binary installers for OS X from thePython Download page. Installers areavailable for the latest Python 3 and Python 2 releases thatwill work on all Macs that run Mac OS X 10.5 and later.

Python releases include IDLE, Python's built-in interactivedevelopment environment. If you download and install Pythonfrom the release page, you may also need to download and installa newer version of Tcl/Tk for OS X. See theIDLE and Tkinter on OS X page formore information.

You can run a Python interpreter by double-clicking onApplications / Utilities / Terminal and typing python3 (if you'veinstalled a version of Python 3) or python (to use Python 2) inthe window that opens up. You can also launch IDLE for the Pythonversion you have installed by double-clicking its icon inthe appropriate Python version folder in the Applications folderor you can also just type idle3 or idle in a terminal window.

On Windows, by default python and pip are not on the PATH.You can re-install Python and tick this option, or give the full path instead.Try something like this, depending on where your copy of Python is installed:

Please note that Biopython 1.48 and older require the Numeric library,not its replacement NumPy. Windows installers for Python 2.4 and olderare available from the NumericalPython website. A Windowsinstaller for Numeric 24.2 for Python 2.5 is available here:

Conda has many of the features found in pip3, but is otherwise a completely separate tool. It installs python modules and packages from the Anaconda Repository. Only after Conda has been used to install as many packages as possible in a project, should pip3 be used to install any remaining software.

Due to the way most Linux distributions are handling the Python 3migration, Linux users using the system Python without creating a virtualenvironment first should replace the python command in this tutorialwith python3 and the python -m pip command with python3 -m pip --user. Do notrun any of the commands in this tutorial with sudo: if you get apermissions error, come back to the section on creating virtual environments,set one up, and then continue with the tutorial as written.

Want to join the community of scientists, engineers and analysts all around the world using Spyder?Click the button below to download the suggested installer for your platform.We offer standalone installers on Windows and macOS, and as our Linux installer is are still experimental, we currently recommend the cross-platform Anaconda distribution for that operating system, which includes Spyder and many other useful packages for scientific Python.You can also try out Spyder right in your web browser by launching it on Binder.

In addition to installing pip in your environment, pip is available as astandalone zip application.This can be downloaded from There arealso zip applications for specific pip versions, named pip-X.Y.Z.pyz.

This command should show your latest python version if you have python later than python3. If the system do not know this command or your python version is not later than Python 3.4, you need to install the newest python.

The Debian/Ubuntu package is split in three different packages calledpython3-sklearn (python modules), python3-sklearn-lib (low-levelimplementations and bindings), python3-sklearn-doc (documentation).Only the Python 3 version is available in the Debian Buster (the more recentDebian distribution).Packages can be installed using apt-get:

To install Python in Windows, head over to -344/, scroll down the page until you see "Files" heading. There you will find different versions of Python that you can download.var cid = '9225403502';var pid = 'ca-pub-1332705620278168';var slotId = 'div-gpt-ad-overiq_com-medrectangle-3-0';var ffid = 1;var alS = 1021 % 1000;var container = document.getElementById(slotId);var ins = document.createElement('ins'); = slotId + '-asloaded'; ins.className = 'adsbygoogle ezasloaded'; ins.dataset.adClient = pid; ins.dataset.adChannel = cid; = 'block'; = container.attributes.ezaw.value + 'px'; = '100%'; = container.attributes.ezah.value + 'px'; = + 'px'; = + 'px';container.appendChild(ins);(adsbygoogle = window.adsbygoogle []).push();window.ezoSTPixelAdd(slotId, 'stat_source_id', 44);window.ezoSTPixelAdd(slotId, 'adsensetype', 1);var lo = new MutationObserver(window.ezaslEvent); lo.observe(document.getElementById(slotId + '-asloaded'), attributes: true );

If you are using a 32-bit version of Windows download Windows x86 installer and if you are using a 64-bit version of Windows download Windows x86-64 installer. Note that Windows x86 installer will work on 32-bit as well as 64-bit.

After downloading the installer, double-click it to start the installation process. The installation is very straightforward, just accept all the defaults. The only critical step in the installation process is that when you are asked to Customize the Python installation.

When this Window appears, use the scrollbar to scroll down the list. In front of the last item i.e "Add python.exe to Path", select "Will be installed on the local hard drive" using dropdown. This option allows us to call python.exe from any working directory in the Command Prompt without specifying the full path to it.

After executing these commands, run python3 --version again. This time you should get the following output:if(typeof ez_ad_units != 'undefined')ez_ad_units.push([[250,250],'overiq_com-medrectangle-4','ezslot_2',136,'0','0']);__ez_fad_position('div-gpt-ad-overiq_com-medrectangle-4-0');

If you are using Mac OS X 32-bit system download Mac OS X 32-bit i386/PPC installer and if you are using Mac OS X 64-bit download Mac OS X 64-bit/32-bit installer. On a 64-bit system, both installers will work.

Double-click the downloaded file to start the installation process and accept all the defaults. Unlike Windows, Python installer for Macs automatically adds python to the PATH environment variable, so you don't need to do anything. To verify the installation execute the following command.

Finally, you will also want to install the CUDA Deep Neural Network (cuDNN v5) library which currently requires an Accelerated Computing Developer Program account. Once you have it downloaded locally, you can unzip and move the header and libraries to your local CUDA Toolkit folder:

This step is used to locate the python and numpy header files as well as enabling GPU support if you have a CUDA enabled GPU and Toolkit installed. Select the option Y when asked to build TensorFlow with GPU support.

Note that this setup still requires you to rebuild the //tensorflow/tools/pip_package:build_pip_package target every time you change a C++ file; add, delete, or move any python file; or if you change bazel build rules.

TensorFlow pip package depends on protobuf pip package version 3.0.0b2. Protobuf's pip package downloaded from PyPI (when running pip install protobuf) is a Python only library, that has Python implementations of proto serialization/deserialization which can be 10x-50x slower than the C++ implementation. Protobuf also supports a binary extension for the Python package that contains fast C++ based proto parsing. This extension is not available in the standard Python only PIP package. We have created a custom binary pip package for protobuf that contains the binary extension. Follow these instructions to install the custom binary protobuf pip package :


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