Hi Ryan,
Thanks a lot for your script, it made my day. Just yesterday I wasted a
couple of hours trying to find a way to add environment variables to our
app.
I really missed your code the first time but now I added it (with due
credit of course) to our tree.
Thanks again,
Carlos
El 05/03/13 13:21, mrclary escribió:
If I understand your problem correctly:
1. you have the executable path /usr/local/bin/ffmpeg
2. your script executes successfully if run in a python (or ipython)
interpreter started from the terminal
3. your script executes unsuccessfully if run from within Spyder
(standalone app)
If the above is correct, then I think I know what the problem is.
When Spyder is started, the interpreter inherits the following system
PATH:
In[6]: os.environ['PATH']
Out[6]:
'/usr/bin:/bin:/usr/sbin:/sbin:/Applications/Spyder.app/Contents/Resources'
which does not include '/usr/local/bin'
I have run into this problem before and found one solution is to
modify the system path in the interpreter's startup script. I've
attached the startup script that I use. The script captures the
environment variables from a standard terminal session, including any
statements contained in your bash profile scripts. On my system I use
~/.profile and /etc/profile for my bash profiles, but if you use
something else (e.g. bashrc, bash_profile, etc.) you will want to
modify the attached script appropriately. In Spyder's preferences,
specify the attached script as the startup script.
Your system path (os.environ['PATH']) in Spyder should now match your
PATH environment variable in a Terminal session (echo $PATH), and
scripts run from within Spyder should be able to find any executables
in '/usr/local/bin'.
Ryan Clary
On Friday, March 1, 2013 4:04:53 AM UTC-8, Laurent PARISE wrote:
Excuse me for my English first.
I use Mac OS 10.6.8 Spyder for some time with great pleasure.
Thank you for your work!
However, since yesterday I have a problem with creating animations
(MP4) with matplotlib.
1. My script works from the command line (and make an mp4 file),
but I get an error in Spyder with the same script:
/Applications/Spyder.app/Contents/Resources/lib/python2.7/matplotlib/animation.py:
598:
UserWarning: ffmpeg MovieWriter unavailable
warnings.warn ("% s MovieWriter unavailable" writer%)
It seems that Spyder's Python can not find the'ffmpeg' program
that creates the MP4 file.
2. I did some tests: if I start Spyder in the console command
line, my script is compiled correctly in Spyder ! But if I start
Spyder by clicking on the icon in the Applications folder, python
does not find 'ffmpeg' that isin '/usr/local/bin'.
In fact, '/usr/local/bin' is in myPATH in the console (I type
'env' in the console to see it), but Spyder do not know if I run
it from the Applications folder...
Could you tell me if it is possible to tell Spyder, it must use
the PATH variable to launch external programs (if my problem is it)?
Thanks again.
Laurent.
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