Peter Pinch pdpinch

## gist:20f187c0f4dfaf03f594

      
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                pdpinch
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              August 29, 2015 14:13
            
              
                Cover Letter for POC PR
              
          
    This PR implements "Personal Online Courses" or POCs (working title). POCs are a simplified approach to SPOCs that allow for a course (or portions of a course) to be reused with a small groups of students. Course instructors assign a "POC Coach" who can create a POC, choose a subset of course modules for the POC (with start and end dates) and administer students. Importantly, POC Coaches cannot change the content and do not have the same permissions as course staff.
POCs were originally proposed on the edx code list last year and have been discussed with edX Product (including @explorerleslie ) and with edX Engineering ( @cpennington and @nedbat ).
This feature is intended to be used on edX.org. In particular, we are fielding requests to use this feature with 15.390.1x and 15.390.2x. This PR only affects LMS.
For manual testing, please view the [demo screencast](https://drive.google.com/file/d/0B9nbgzSIkR7mcTlXSkZqQTZwSnc/view?usp=shar

  
## gist:093a93f3569c90cdcace
I was able to eliminate all but three test failures happening from the over 400 that I started with after the rebase just by adding the user.id argument that was added in that commit to the places where our changes called that api.  However, the final three are failing when self.save() is called on this line:

https://github.com/edx/edx-platform/blob/master/common/lib/xmodule/xmodule/x_module.py#L549

That line of code was added in the same commit as above:

https://github.com/edx/edx-platform/commit/de23d6defe96468be4aa044a09958e9e1197140b#diff-936697469ba38db0e821ff2f2196c449R549

Down inside that save, there’s a KeyError raised on ‘tabs’ and I have no idea why.

## README.rst

      
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              Created
              May 12, 2015 02:12
            
          
    xbundle

xbundle converts back and forth between OLX and "xbundle" style XML formats. The xbundle format is a single XML file.
The OLX format is defined in this documentation.
Installation

  
## CCX student dash stack trace
Traceback (most recent call last):

 File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 109, in get_response
   response = callback(request, *callback_args, **callback_kwargs)

 File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 20, in _wrapped_view
   return view_func(request, *args, **kwargs)

 File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
   response = view_func(request, *args, **kwargs)

## index.html


<!DOCTYPE html PUBLIC   "-//W3C//DTD XHTML 1.0 Traditional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
      lang="en" xmlns:fb="http://www.facebook.com/2008/fbml"
      xmlns:og="http://opengraphprotocol.org/schema/">


## rps.py
# Exercise 1.7
# Rock, Paper Scissors game

## TODO: lower case user input

player1 = raw_input('Player 1? ')
# make sure player1's play is one of rock, paper or scissors
while (player1 != 'rock' and player1 != 'paper' and player1 != 'scissors'):
    print "You wrote: " + player1
    player1 = raw_input('Please enter one of the following, "rock", "paper" or "scissors": ')

## cipher.py
# OPT.2 from http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-189-a-gentle-introduction-to-programming-using-python-january-iap-2011/assignments/MIT6_189IAP11_hw1.pdf
# Secret Messages

phrase = raw_input("Enter sentence to encrypt: ")
shift = input("Enter shift value: ")

encoded_phrase = ''
for c in phrase:
    ascii = ord(c)
    if 97 <= ascii < (97+26):

## homework_2.5.py
# ********** Exercise 2.5 **********

# code for roots function
# given the coefficients for a quadratic equation
# returns the two roots
# if the roots are complex, exit
def find_roots(a,b,c):
    # give up if the roots are complex
    assert not roots_are_complex(a,b,c)
    d = math.sqrt(b**2 - 4*a*c)

## gist:3950247
<div style="padding-left: 7px; background-image: url(&quot;/about/about-banner.jpg&quot;); background-repeat: no-repeat;"><br />
<br />
<h1>Unlocking Knowledge,<br />
Empowering Minds.</h1>
<p>Free lecture notes, exams, and videos from MIT. No registration required.</p>
<p>&nbsp;</p>
</div>
<p>&nbsp;</p>
<p>MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.</p>
<h2 class="subhead">What is MIT OpenCourseWare?</h2>

## gist:3975472
<div style="FLOAT: left; WIDTH: 325px" class="photo"><img width="300" border="0" height="192" style="PADDING-RIGHT: 25px; PADDING-BOTTOM: 7px; PADDING-TOP: 8px" alt="MIT President Susan Hockfield." src="/about/presidents-message/kennedyhockfield_sm.jpg" /><br />
<div style="PADDING-RIGHT: 25px; FONT-SIZE: 0.7em; PADDING-BOTTOM: 7px" class="caption instruction">MIT President Emeritus Susan Hockfield</div>
</div>
<p style="MARGIN-RIGHT: 20px">The goal of advancing education around the world is shared by the MIT Faculty. Indeed, we owe the existence of OpenCourseWare to the foresight, dedication, and generosity of our faculty. In the year 2000, a faculty committee first proposed this bold and innovative idea, and since then, the vast majority of our faculty&ndash;over 90%&ndash;have voluntarily contributed their teaching materials for free and open publishing on OCW. MIT faculty are passionate about their teaching, and they are keen to see their work benefit global society.</p>
<p>We do not yet know the full pot
	I was able to eliminate all but three test failures happening from the over 400 that I started with after the rebase just by adding the user.id argument that was added in that commit to the places where our changes called that api. However, the final three are failing when self.save() is called on this line:

	https://github.com/edx/edx-platform/blob/master/common/lib/xmodule/xmodule/x_module.py#L549

	That line of code was added in the same commit as above:

	https://github.com/edx/edx-platform/commit/de23d6defe96468be4aa044a09958e9e1197140b#diff-936697469ba38db0e821ff2f2196c449R549

	Down inside that save, there’s a KeyError raised on ‘tabs’ and I have no idea why.
	Traceback (most recent call last):

	File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/core/handlers/base.py", line 109, in get_response
	response = callback(request, callback_args, *callback_kwargs)

	File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/contrib/auth/decorators.py", line 20, in _wrapped_view
	return view_func(request, args, *kwargs)

	File "/edx/app/edxapp/venvs/edxapp/local/lib/python2.7/site-packages/django/utils/decorators.py", line 91, in _wrapped_view
	response = view_func(request, args, *kwargs)


	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Traditional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">


	<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
	lang="en" xmlns:fb="http://www.facebook.com/2008/fbml"
	xmlns:og="http://opengraphprotocol.org/schema/">
	# Exercise 1.7
	# Rock, Paper Scissors game

	## TODO: lower case user input

	player1 = raw_input('Player 1? ')
	# make sure player1's play is one of rock, paper or scissors
	while (player1 != 'rock' and player1 != 'paper' and player1 != 'scissors'):
	print "You wrote: " + player1
	player1 = raw_input('Please enter one of the following, "rock", "paper" or "scissors": ')
	# OPT.2 from http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-189-a-gentle-introduction-to-programming-using-python-january-iap-2011/assignments/MIT6_189IAP11_hw1.pdf
	# Secret Messages

	phrase = raw_input("Enter sentence to encrypt: ")
	shift = input("Enter shift value: ")

	encoded_phrase = ''
	for c in phrase:
	ascii = ord(c)
	if 97 <= ascii < (97+26):
	# ******** Exercise 2.5 ********

	# code for roots function
	# given the coefficients for a quadratic equation
	# returns the two roots
	# if the roots are complex, exit
	def find_roots(a,b,c):
	# give up if the roots are complex
	assert not roots_are_complex(a,b,c)
	d = math.sqrt(b*2 - 4a*c)
	<div style="padding-left: 7px; background-image: url("/about/about-banner.jpg"); background-repeat: no-repeat;"><br />
	<br />
	<h1>Unlocking Knowledge,<br />
	Empowering Minds.</h1>
	<p>Free lecture notes, exams, and videos from MIT. No registration required.</p>
	<p> </p>
	</div>
	<p> </p>
	<p>MIT OpenCourseWare (OCW) is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.</p>
	<h2 class="subhead">What is MIT OpenCourseWare?</h2>
	<div style="FLOAT: left; WIDTH: 325px" class="photo"><img width="300" border="0" height="192" style="PADDING-RIGHT: 25px; PADDING-BOTTOM: 7px; PADDING-TOP: 8px" alt="MIT President Susan Hockfield." src="/about/presidents-message/kennedyhockfield_sm.jpg" /><br />
	<div style="PADDING-RIGHT: 25px; FONT-SIZE: 0.7em; PADDING-BOTTOM: 7px" class="caption instruction">MIT President Emeritus Susan Hockfield</div>
	</div>
	<p style="MARGIN-RIGHT: 20px">The goal of advancing education around the world is shared by the MIT Faculty. Indeed, we owe the existence of OpenCourseWare to the foresight, dedication, and generosity of our faculty. In the year 2000, a faculty committee first proposed this bold and innovative idea, and since then, the vast majority of our faculty–over 90%–have voluntarily contributed their teaching materials for free and open publishing on OCW. MIT faculty are passionate about their teaching, and they are keen to see their work benefit global society.</p>
	<p>We do not yet know the full pot