View source for Python/Jupyter

= Magic Functions =
==  Timing ==
* %timeit (time line)
* %%timeit (time block in lines below, same line = not timed setup)

== importing other jupyter notebook ==
* run.ipynb:
<blockquote>
<pre>
% run 'lib_testprog.ipynb'
testfunct()
</pre>
</blockquote>

* lib_testprog.ipynb:
<blockquote>
<pre>
def testfunct()
    return 1

if __name__ == '__main__' and '__file__' not in globals():
    print(testfunct())
</pre>
</blockquote>

== sharing variables between notebooks ==
* test1.ipynb:
<blockquote>
<pre>
variable = 'testdata'
%store variable
</pre>
</blockquote>

* test2.ipynb:
<blockquote>
<pre>
%store -r variable
print(variable)
</pre>
</blockquote>

* hints:
** use "global" in functions

= Autorun notebooks on startup =
== simple, but no start/stop control later ==
* /home/user/.ipython/profile_default/startup/startup.ipy
<blockquote>
<pre>
#!/usr/bin/ipython

%run /srv/python/script_a.ipynb
</pre>
</blockquote>

== complex, with full control ==
* /home/user/.ipython/profile_default/startup/startup.ipy
<blockquote>
<pre>
#!/usr/bin/ipython

%run /srv/python/startup.ipynb
</pre>
</blockquote>
* /srv/python/startup.ipynb
<blockquote>
<pre>
from selenium import webdriver  
from selenium.webdriver.common.by import By

urls = ["http://192.168.111.11:8888/notebooks/projects/test.ipynb"]

def start_notebook(url):
    browser = webdriver.PhantomJS(service_args=['--ssl-protocol=any'])  
    browser.set_window_size(1280, 1400)
    browser.implicitly_wait(10)  
    browser.get(url) 
    
    browser.find_element(By.LINK_TEXT, 'Cell').click()
    browser.find_element(By.LINK_TEXT, 'Run All').click()
    browser.quit()

for url in urls:
    print ("starting: " + url)
    start_notebook(url)
</pre>
</blockquote>


= Links =
* https://www.dataquest.io/blog/jupyter-notebook-tips-tricks-shortcuts/
* https://github.com/jupyter/jupyter/wiki/a-gallery-of-interesting-jupyter-notebooks
* https://stackoverflow.com/questions/26126853/verifying-pep8-in-ipython-notebook-code
* https://www.dataquest.io/blog/jupyter-notebook-tips-tricks-shortcuts/