BFC Playground Mac OS

  1. Bfc Playground Mac Os Catalina
  2. Bfc Playground Mac Os X
  3. Bfc Playground Mac Os 11
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There is also now the Mac OS X Strike Force that aims to improve using Haskell on OS X.

  • 3GHC
  • 6Editors with Haskell support

The Haskell Platform

There are Mac OS X installers of the full Haskell Platform development environment. We recommend it:

Haskell for Mac (IDE)

Haskell for Mac is an easy-to-use integrated programming environment for Haskell on OS X. It is a one-click install of a complete Haskell system, including Haskell compiler, editor, many libraries, and a novel form of interactive Haskell playgrounds. Haskell playgrounds support exploration and experimentation with code. They are convenient to learn functional programming, prototype Haskell code, interactively visualize data, and to create interactive animations.

Features include the following:

  • Built-in Haskell editor with customisable themes, or you can use a separate text editor.
  • Interactive Haskell playgrounds evaluate your code as you type.
  • Easy to explore type information and to observe the behaviour of you program as you change it.
  • Playground results can be text or images produced by the Rasterific, Diagrams, and Chart packages.
  • Add code and multimedia files to a Haskell project with drag'n'drop.
  • Haskell binding to Apple's 2D animation and games framework SpriteKit.
  • Autosaving and automatic project versioning.

Haskell for Mac supports OS X Yosemite or above.

GHC

Important notes

To get the most out of your GHC environment, you should add '~/Library/Haskell/bin' to your PATH environment variable before the path where you have GHC installed. This will allow you to get and use cabal-updates, as well as other programs shipped with GHC like hsc2hs.

In your ~/.profile, add the line:

export PATH=$HOME/Library/Haskell/bin:$PATH

Mac OS X 10.9 (Mavericks), Mac OS X 10.8 (Mountain Lion) and Xcode 5

Both Mountain Lion and Mavericks support and now use XCode 5, which no longer provides GCC, only Clang.

The workaround that the Haskell Platform maintainers are supporting can be found here. That work around along with this one work with only the system provided compilers.

However, if you are still encountering usual bugs, the GCC based directions here may work out better.

BFC Playground Mac OS

Mac OS X 10.5 (Leopard)

To install GHC on Mac OS X 10.5 (Leopard), there are the following options:

  • install the Haskell Platform
  • install MacPort's ghc package

Mac OS X 10.6 (Snow Leopard) and 10.7 (Lion)

  • Install the Haskell Platform

To uninstall ghc call:sudo uninstall-hs

Xcode 4.1

GHC needs Xcode to be installed so it has access to the bintools, headers, and link libraries of the platform. The later two are provided by the SDK that comes as part of Xcode. GHC 7.0.2 is compiled against the 10.5 SDK. Xcode 4.1 no longer ships with it. ghci will work, but linking and some compiles with <ghc> will not. To make those work you need a copy of the 10.5 SDK. You can get this one several ways:

  • Before you install Xcode 4.1, if you have Xcode 3.2 installed, do one of the following:
    • Move it aside (renaming /Developer to /Xcode3.2)
    • Move just the sdk aside (moving /Developer/SDKs/MacOSX10.5.sdk to, say, /ExtraSDKs/MacOSX10.5.sdk)
    • Move just the sdk aside, install Xcode 4.1, then move it back into the /Developer/SDKs directory.
  • If you don't have Xcode 3.2, then you can download it from the Apple Developer site, and install it in a location other than '/Developer'. If you have already installed Xcode 4.1 be sure that you customized the install and don't install the 'System Tools' or 'UNIX Development' packages.

Building via GHC:

Building via cabal:

Replace {loc} with wherever you put the SDK.

HUGS

  • install MacPort's hugs98 package.


Installing libraries with external C bindings

Haskell libraries are installed with the cabal command line tool.

Some libraries depend on external C libraries, which are best installed with MacPorts. However, you have to tell cabal to include the /opt/local/ directories when searching for external libraries. The following shell script does that by wrapping the cabal utility

Editors with Haskell support

Open Source

  • AquaMacs or EmacsForOSX, a graphical Emacs version
  • Eclipse with the EclipseFP plugin. See EclipseOn_Mac_OS_X
  • Emacs, is installed on every Mac
  • MacVim, a graphical Vim version
  • Textmate 2, open source incarnation of TextMate 1.
  • Vim, is installed on every Mac
  • Yi (written in Haskell itself!), is available through cabal-install

Commercial

SubEthaEdit:

TextMate:

Smultron:

and Sublime Text 2:

TextEdit is Mac's default text editor, a very basic editor that works fine for most uses, you must however be careful to put it into plain text mode using the Format menu.

Shipping Installable Haskell Applications

  • mkbndl builds installable Mac OSX applications from your Haskell project.

Links

  • Using Haskell in an Xcode Cocoa project; a description of how to add a Haskell module (callable from C) to an Xcode/Cocoa/Interface builder project on your Mac.
  • Mac OS X Common Installation Paths: an effort to standardize where things go on a Mac OS X installation
Retrieved from 'https://wiki.haskell.org/index.php?title=Mac_OS_X&oldid=60586'
Author

Bob Savage <bobsavage@mac.com>

Python on a Macintosh running Mac OS X is in principle very similar to Python onany other Unix platform, but there are a number of additional features such asthe IDE and the Package Manager that are worth pointing out.

4.1. Getting and Installing MacPython¶

Mac OS X 10.8 comes with Python 2.7 pre-installed by Apple. If you wish, youare invited to install the most recent version of Python 3 from the Pythonwebsite (https://www.python.org). A current “universal binary” build of Python,which runs natively on the Mac’s new Intel and legacy PPC CPU’s, is availablethere.

What you get after installing is a number of things:

  • A Python3.9 folder in your Applications folder. In hereyou find IDLE, the development environment that is a standard part of officialPython distributions; and PythonLauncher, which handles double-clicking Pythonscripts from the Finder.

  • A framework /Library/Frameworks/Python.framework, which includes thePython executable and libraries. The installer adds this location to your shellpath. To uninstall MacPython, you can simply remove these three things. Asymlink to the Python executable is placed in /usr/local/bin/.

Bfc Playground Mac Os Catalina

The Apple-provided build of Python is installed in/System/Library/Frameworks/Python.framework and /usr/bin/python,respectively. You should never modify or delete these, as they areApple-controlled and are used by Apple- or third-party software. Remember thatif you choose to install a newer Python version from python.org, you will havetwo different but functional Python installations on your computer, so it willbe important that your paths and usages are consistent with what you want to do.

IDLE includes a help menu that allows you to access Python documentation. If youare completely new to Python you should start reading the tutorial introductionin that document.

If you are familiar with Python on other Unix platforms you should read thesection on running Python scripts from the Unix shell.

4.1.1. How to run a Python script¶

Your best way to get started with Python on Mac OS X is through the IDLEintegrated development environment, see section The IDE and use the Help menuwhen the IDE is running.

If you want to run Python scripts from the Terminal window command line or fromthe Finder you first need an editor to create your script. Mac OS X comes with anumber of standard Unix command line editors, vim andemacs among them. If you want a more Mac-like editor,BBEdit or TextWrangler from Bare Bones Software (seehttp://www.barebones.com/products/bbedit/index.html) are good choices, as isTextMate (see https://macromates.com/). Other editors includeGvim (http://macvim-dev.github.io/macvim/) and Aquamacs(http://aquamacs.org/).

To run your script from the Terminal window you must make sure that/usr/local/bin is in your shell search path.

To run your script from the Finder you have two options:

  • Drag it to PythonLauncher

  • Select PythonLauncher as the default application to open yourscript (or any .py script) through the finder Info window and double-click it.PythonLauncher has various preferences to control how your script islaunched. Option-dragging allows you to change these for one invocation, or useits Preferences menu to change things globally.

4.1.2. Running scripts with a GUI¶

With older versions of Python, there is one Mac OS X quirk that you need to beaware of: programs that talk to the Aqua window manager (in other words,anything that has a GUI) need to be run in a special way. Use pythonwinstead of python to start such scripts.

With Python 3.9, you can use either python or pythonw.

4.1.3. Configuration¶

Bfc Playground Mac Os X

Playground

Python on OS X honors all standard Unix environment variables such asPYTHONPATH, but setting these variables for programs started from theFinder is non-standard as the Finder does not read your .profile or.cshrc at startup. You need to create a file~/.MacOSX/environment.plist. See Apple’s Technical Document QA1067 fordetails.

For more information on installation Python packages in MacPython, see sectionInstalling Additional Python Packages.

4.2. The IDE¶

MacPython ships with the standard IDLE development environment. A goodintroduction to using IDLE can be found athttp://www.hashcollision.org/hkn/python/idle_intro/index.html.

4.3. Installing Additional Python Packages¶

There are several methods to install additional Python packages:

  • Packages can be installed via the standard Python distutils mode (pythonsetup.pyinstall).

  • Many packages can also be installed via the setuptools extensionor pip wrapper, see https://pip.pypa.io/.

4.4. GUI Programming on the Mac¶

There are several options for building GUI applications on the Mac with Python.

PyObjC is a Python binding to Apple’s Objective-C/Cocoa framework, which isthe foundation of most modern Mac development. Information on PyObjC isavailable from https://pypi.org/project/pyobjc/.

The standard Python GUI toolkit is tkinter, based on the cross-platformTk toolkit (https://www.tcl.tk). An Aqua-native version of Tk is bundled with OSX by Apple, and the latest version can be downloaded and installed fromhttps://www.activestate.com; it can also be built from source.

wxPython is another popular cross-platform GUI toolkit that runs natively onMac OS X. Packages and documentation are available from https://www.wxpython.org.

PyQt is another popular cross-platform GUI toolkit that runs natively on MacOS X. More information can be found athttps://riverbankcomputing.com/software/pyqt/intro.

4.5. Distributing Python Applications on the Mac¶

Bfc Playground Mac Os 11

The standard tool for deploying standalone Python applications on the Mac ispy2app. More information on installing and using py2app can be foundat http://undefined.org/python/#py2app.

4.6. Other Resources¶

The MacPython mailing list is an excellent support resource for Python users anddevelopers on the Mac:

Another useful resource is the MacPython wiki: