On 4/23/06, Jeffrey Elkner <[EMAIL PROTECTED]> wrote:
On Sat, 22 Apr 2006 18:00:27 -0500, Michael Tobis <[EMAIL PROTECTED]> wrote:
>I think I've got a realistic design for a doctest-driven beginners'
>programming courseware suitable for presenting HHTLCSpy - type
>materials that can be put together in a week or so with my level of
>skill. (Or a half-day if I let Ian B in on it... ) That week probably
>won't happen before early June, but I think I'll have something of
>immediate interest to you early enough in the summer that we can
>develop real curriculum in time for next fall.
Thanks, Michael! I've written up a brief description of the tool I'm looking
for here:
http://dc.ubuntu-us.org/projects/doctest-quiz.php
and a briefer launchpad spec here:
https://launchpad.net/products/cando/+spec/doctest-quiz
For those interested, you will find attached a simple app that
essentially does what Jeff described, albeit entirely on a single
computer. (Thus, if you can run Python on that machine, you can run it
via a web browser without sandboxing).
It requires CherryPy.
Here's what is required:
1. Download and install CherryPy. http://www.cherrypy.org/
2. Save doctestquiz.py in the tutorial directory that comes with
cherrypy (so you can use the default configuration file).
3. Run doctestquiz
4. Point your browser to http://localhost:8080/index
5. Have fun!
"""
DocTestQuiz by Andre Roberge
"""
import cherrypy
import os
from tempfile import gettempdir
TMP_DIR = gettempdir()
EXAMPLES = [
"""
>>> p = Animal()
>>> p.name
''
>>> p.friends
[]
""",
"""
>>> p = Animal('Pooh')
>>> p.name
'Pooh'
>>> p.addFriend('Piglet')
>>> p.friends
['Piglet']
""" ]
title = 'Learn Python'
instructions = 'Write just enough Python code to make '+\
'the following DocTests pass:'
begin_output = "The result is :<pre><font color='blue'>"
end_output = "</font></pre>"
triple_quote = "\'\'\'"
example = 0
success = False
class PythonRunner(object):
def header(self):
return '''
<html>
<head>
<title>%s</title>
</head>
<body>
<h2>%s</h2>
<p>%s</p>
<pre><font color='blue'><b>%s</b></font></pre>
''' % (title, title, instructions, EXAMPLES[example])
def footer(self):
return '''
</body>
</html>
'''
def index(self, code=None):
global success, example
count = cherrypy.session.get('count', 0) + 1
cherrypy.session['count'] = count
if success:
success = False
count = 1
example += 1
if code is None:
code = ''
output = ''
if count > 1:
cherrypy.session['code'] = triple_quote + EXAMPLES[example] + \
triple_quote + '\n'+ code
tmp_filename = os.path.join(TMP_DIR, 'my_file.dat')
f = open(tmp_filename, 'w')
test_code = cherrypy.session['code'] + \
"\nimport doctest\ndoctest.testmod()"
f.write(test_code)
f.close()
f_in, f_out = os.popen4("python %s"%tmp_filename)
result = ''
for line in f_out.readlines():
result += line
if result == '':
output = "<h2><font color='red'>Success!</font></h2>"
button1 = ''
button2 = '<form action="index"><input type="submit" value="Next"/></form>'
success = True
else:
output = begin_output + result + end_output
button1 = '<input type="submit" value="Run docTest"/>'
button2 = ''
else:
button1 = '<input type="submit" value="Run docTest"/>'
button2 = ''
if example == len(EXAMPLES):
return "<h2><font color='red'>All done!</font></h2>"
return self.header()+'''
Type in your Python code.
<form action="index" method="GET">
<textarea name="code" rows=5 cols=80>%s</textarea><br/>
%s
</form>
<br/>
%s %s
''' % (code, button1, output + self.footer(), button2)
index.exposed = True
cherrypy.root = PythonRunner()
cherrypy.config.update({'session_filter.on': True})
if __name__ == '__main__':
cherrypy.config.update(file = 'tutorial.conf')
cherrypy.server.start()
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