[IPython-dev] Installation docs out of date

[Ian Bell]

Ah ok, makes sense.  Here's the PR:
https://github.com/ipython/ipython-website/pull/81

On Fri, Feb 13, 2015 at 3:12 PM, MinRK <benjaminrk at gmail.com> wrote:

> Thanks! That's a different repo:
> https://github.com/ipython/ipython-website
>
>
> On Fri, Feb 13, 2015 at 1:52 PM, Ian Bell <ian.h.bell at gmail.com> wrote:
>
>> I'm trying to put together a PR for this, but I can't find the right
>> source file to edit, its not this one:
>> https://github.com/ipython/ipython/blob/master/docs/source/install/install.rst
>>
>> I want to edit this file: http://ipython.org/install.html
>>
>> On Fri, Feb 13, 2015 at 2:47 PM, Ian Bell <ian.h.bell at gmail.com> wrote:
>>
>>> Sometimes you have no choice but to fall back to pip when conda chokes
>>> on a package that it doesn't understand.  So I have a hodgepodge of
>>> pip-installed and conda-installed packages on my machine, and until conda
>>> fully supports pip, it looks like it is going to stay that way.
>>>
>>> I'm fine not using pip and using conda, but the conda docs should tell
>>> you how to get everything up and running easily with ipython.  Adding the
>>> line described in this thread would probably do it.
>>>
>>> Ian
>>>
>>>
>>> On Fri, Feb 13, 2015 at 12:50 PM, Ryan Nelson <rnelsonchem at gmail.com>
>>> wrote:
>>>
>>>> Min,
>>>>
>>>> I just posted a little note about the pip issue on the Anaconda mailing
>>>> list. We'll see what they say about including it by default.
>>>> Hopefully, this solves Ian's problem.
>>>>
>>>> Ryan
>>>>
>>>> On Fri, Feb 13, 2015 at 2:12 PM, MinRK <benjaminrk at gmail.com> wrote:
>>>>
>>>>> Yeah, we can probably add some clarifications.
>>>>>
>>>>> I think it's a huge mistake that conda allows installing Python
>>>>> without pip. This really shouldn't be allowed.
>>>>>
>>>>> -MinRK
>>>>>
>>>>> On Fri, Feb 13, 2015 at 10:59 AM, Ryan Nelson <rnelsonchem at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> Yeah. The docs (http://ipython.org/install.html) should probably
>>>>>> mention this if they are going to reference conda specifically. However, it
>>>>>> is a conda-specific issue, so it might be more appropriate to point users
>>>>>> to the continuum documentation instead. Especially, given that the IPython
>>>>>> docs suggest installing the full Anaconda package (which has notebook) and
>>>>>> do not mention Miniconda, which it looks like you are using. You can search
>>>>>> the conda package repository pretty easily:
>>>>>> http://conda.pydata.org/docs/examples/search.html
>>>>>> But I agree that this it is not well documented.
>>>>>>
>>>>>> I have miniconda on a Linux distro, and fresh environments don't
>>>>>> install pip. This caused some problems for me at first because it was using
>>>>>> the system pip, which was no good. Do you have another Python install on
>>>>>> your computer? You could do a `conda install pip` and make sure you have
>>>>>> the Continuum version.
>>>>>>
>>>>>> Just out of curiosity, why would use want to use pip at all? It might
>>>>>> be safer to install things using conda exclusively. You might run into
>>>>>> problems with pip when you are trying to install modules that require
>>>>>> compiled components such as Qt4/5. For example, the command `conda install
>>>>>> ipython ipython-notebook ipython-qtconsole` will install ipython and all
>>>>>> the dependencies, including a precompiled version of the Qt libraries. I
>>>>>> don't think a `pip install pyqt4` will do that. (?)  See here for more:
>>>>>>
>>>>>> http://stackoverflow.com/questions/20994716/what-is-the-difference-between-pip-and-conda
>>>>>> However, the answer here is a little misleading because the
>>>>>> conda-installed pip will install packages that are conda-aware. That is,
>>>>>> I've installed packages with the conda version of pip, and `conda list`
>>>>>> will show these packages as being installed.
>>>>>>
>>>>>> On Fri, Feb 13, 2015 at 1:16 PM, Ian Bell <ian.h.bell at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Feb 13, 2015 at 9:12 AM, Ryan Nelson <rnelsonchem at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> With Anaconda, you can use `conda` to install these packages.
>>>>>>>>
>>>>>>>>
>>>>>>>> $ source activate your_env # Not necessary for root environment
>>>>>>>> $ conda install ipython ipython-notebook ipython-qtconsole
>>>>>>>>
>>>>>>>
>>>>>>> Exactly this should be on the website.  Its not obvious what conda
>>>>>>> package is required to get full notebook support.  The
>>>>>>>
>>>>>>> conda update ipython
>>>>>>>
>>>>>>> command doesn't do it.
>>>>>>>
>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Feb 13, 2015 at 11:06 AM, Ian Bell <ian.h.bell at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> I tried to install ipython+dependencies on a new machine, and it
>>>>>>>>> dies when it tries to install the dependencies:
>>>>>>>>>
>>>>>>>>> C:\Users\ihb>pip install ipython[all]
>>>>>>>>> Requirement already satisfied (use --upgrade to upgrade):
>>>>>>>>> ipython[all] in
>>>>>>>>> c:\users\ihb\appdata\local\continuum\miniconda\lib\site-packages
>>>>>>>>>   Exception:
>>>>>>>>>   Traceback (most recent call last):
>>>>>>>>>     File
>>>>>>>>> "C:\Users\ihb\AppData\Local\Continuum\Miniconda\lib\site-packages\pip\basecommand.py",
>>>>>>>>> line 232, in main
>>>>>>>>>       status = self.run(options, args)
>>>>>>>>>     File
>>>>>>>>> "C:\Users\ihb\AppData\Local\Continuum\Miniconda\lib\site-packages\pip\commands\install.py",
>>>>>>>>> line 339, in run
>>>>>>>>>       requirement_set.prepare_files(finder)
>>>>>>>>>     File
>>>>>>>>> "C:\Users\ihb\AppData\Local\Continuum\Miniconda\lib\site-packages\pip\req\req_set.py",
>>>>>>>>> line 436, in prepare_files
>>>>>>>>>       req_to_install.extras):
>>>>>>>>>     File
>>>>>>>>> "C:\Users\ihb\AppData\Local\Continuum\Miniconda\lib\site-packages\pip\_vendor\pkg_resources\__init__.py",
>>>>>>>>> line 2504, in requires
>>>>>>>>>       "%s has no such extra feature %r" % (self, ext)
>>>>>>>>>   UnknownExtra: ipython 2.4.1 has no such extra feature 'all'
>>>>>>>>>
>>>>>>>>> My python:
>>>>>>>>>
>>>>>>>>> Python 2.7.8 |Continuum Analytics, Inc.| (default, Jul  2 2014,
>>>>>>>>> 15:12:11) [MSC v.1500 64 bit (AMD64)] on win32
>>>>>>>>> Type "help", "copyright", "credits" or "license" for more
>>>>>>>>> information.
>>>>>>>>> Anaconda is brought to you by Continuum Analytics.
>>>>>>>>> Please check out: http://continuum.io/thanks and
>>>>>>>>> https://binstar.org
>>>>>>>>>
>>>>>>>>> _______________________________________________
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>>>>>>>>>
>>>>>>>>>
>>>>>>>>
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