This guide shows how to install the latest 2.x release of Python and all important Python packaging / sandboxing utilities like Pip and Virtualenv under Mac OS X 10.10 Yosemite.
Congratulations, you successfully installed Python 2.7.9 (or later), Pip and all sandboxing tools under Mac OS X 10.10 Yosemite. Now it is time to create our first test project and sandbox (often called virtualenv but that may be confusing due to the Virtualenv project). Enter in Terminal.app. Download the latest version of celtx for Mac. Administrative solution for audiovisual pre-production. Celtx brings together all the necessary tools to completely.
I am using Homebrew to install pre-compiled software. I checked Homebrew 4 years ago and it had issue but now in 2015 it became a more mature solution for the installation of complex Unix software under Mac.
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Let's start.
1. Install Homebrew
Open Terminal.app and type (copy & paste) the following lines to install Homebrew and to check if it worked:
the brew help command should display a list of brew (= Homebrew) commands as validation of a successful installation of Homebrew.
2. Install Python 2.7.9 & Pip
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Enter in Terminal.app:
The newly installed Python version should be displayed. That was easy!
Now you need update Pip which is a Python package manager. It was already installed together with Python.
3. Update Pip
Enter in Terminal.app:
The Pip version is displayed and can be used to install and upgrade all further Python packages and libraries.
But one key component of every Python development environment is still missing: Virtualenv. Virtualenv is something like a sandboxing system which separates applications (your Python projects) and their installed packages from each other. That separation is very important due because Python has its own internal (not so easy to understand) package dependency system.
All that becomes important latest when you want to deploy your project and its dependencies so better do sandboxing from Day 1.
4. Install Virtualenv & Virtualenvwrapper
Let's start sandboxing by installing the necessary tool Virtualenv ('virtual environments'). Enter in Terminal.app:
Correct, you just uninstalled it before installing! That is necessary because we also install Virtualenvwrapper which may require a certain Virtualenv version.
The second part of all the entered commands created a hidden file in your home directory which contains the Virtualenv settings. And as last step you created autostart magic of all that.
5. Finished, now let's test!
Congratulations, you successfully installed Python 2.7.9 (or later), Pip and all sandboxing tools under Mac OS X 10.10 Yosemite.
Now it is time to create our first test project and sandbox (often called virtualenv but that may be confusing due to the Virtualenv project).
Enter in Terminal.app:
You created a new folder called PythonProjects in your home folder and a subfolder called TestProject. You can browse that still empty folder in Finder, too.
Now it is time to create the sandbox of TestProject which we call test1. Enter in Terminal.app:
You just made / created a virtualenv sandbox called test1. Now it is necessary to work on that sandbox before you do any Pip operation.
Good to know: The name of the active Sandbox is displayed directly at the beginning of the Terminal command prompt which is very helpful to see if you are currently inside a sandbox or not!
To leave / close the sandbox just type deactivate. So let's continue with the test by activating the sandbox, installing an the Python package PyTest (just as example), test all that and deactivate / close the sandbox:
The package PyTest was installed because the call at line 3 displayed the version. Now we left the sandbox and if we do the same call again then the package should not be available anymore (because we just installed it inside the test1 sandbox) and an ImportError is displayed:
So always keep in mind to enter workon before you do any Pip operation or start working on a project. Also check the installed Virtualenvwrapper, it comes with some further handy commands and automation.
And finally, delete the sandbox because it was just a test:
I hope you enjoyed that guide and it was helpful. Please leave a comment Paint rider mac os. if it worked and also if not.
Thanks!
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'We believe this is the start of a new era in personal computing,' Greg Joswiak, Apple's vice president of Hardware Product Marketing, told MacCentral.
Apple said they have received over 100,000 pre-orders for the Power Mac G5 since its introduction. Apple executives declined to give a breakdown of this number by configuration, but said they are pleased with the pre-orders so far.
'All of the configurations are doing really well — we couldn't be happier with the results,' said Joswiak.
The systems incorporate 400MHz 128-bit DDR SDRAM with throughput of up to 6.4GB/sec, one 133MHz and two 100MHz 64-bit PCI-X expansion slots and AGP 8x Pro graphics slots. The processors and their 1GHz front side bus can handle 16GB/sec of bandwidth, according to Apple.
The heart of the new Power Macs is the PowerPC G5 processor, developed by Apple and IBM. The 64-bit microprocessor features full support for 32-bit applications, and a parallel architecture that can handle 215 simultaneous in-flight instructions, two double-precision floating point units and an optimized Velocity Engine. The chips are also designed for full support of symmetric multi-processing (SMP).
With a massive power outage shutting down one of IBM's manufacturing plants in East Fishkill, NY last week, there was speculation that the G5 could be affected, but Apple said it had no effect on production.
'No, it [the blackout] didn't affect production — we are right on schedule,' said Joswiak.
The Power Mac G5 will also ship with an updated version of Mac OS X Jaguar, bringing the operating system to 10.2.7. The update contains enhancements for technologies found in the G5 — Apple declined to comment on when or if the update would be available for existing Macintosh computers.
'This version of Jaguar has been optimized to take advantage of the 64-bit technology in the Power Mac G5,' said Tom Boger, Director of Power Mac Product Marketing.
'The kernel has been updated to take advantage of memory expansion and the vector libraries and math libraries have been optimized,' said Joswiak. 'Any application that does dynamic linking to those libraries will get an automatic benefit without having to recompile.'
More information on the G5 and pricing can be found on Apple's Web site.
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Update: Added comments from interview with Apple executives
