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#!/usr/bin/python
# IVLE - Informatics Virtual Learning Environment
# Copyright (C) 2007-2009 The University of Melbourne
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# Author: Nicholas Chadwick
"""Script to upload an exercise file into the database"""
import os, sys, traceback
import xml.dom.minidom as minidom
from ivle.database import Exercise, TestSuite, TestCase, TestSuiteVar, TestCasePart, get_store
class XMLMalformedError(Exception):
"""Error thrown when encountering malformed data."""
def __init__(self, text):
self.msg = text
def getTextData(element):
""" Get the text and cdata inside an element
Leading and trailing whitespace are stripped
"""
data = ''
for child in element.childNodes:
if child.nodeType == child.CDATA_SECTION_NODE:
data += child.data
elif child.nodeType == child.TEXT_NODE:
data += child.data
else:
data += child.toxml()
return unicode(data.strip())
def add_var(store, var_type, var_name=u"", var_value=u"", arg_no=0):
"""Given an var node, parse it into a storm object."""
new_var = TestSuiteVar()
new_var.var_name = unicode(var_name)
new_var.var_value = unicode(var_value)
new_var.var_type = unicode(var_type)
new_var.arg_no = arg_no
store.add(new_var)
return new_var
def add_test_suite(suite_node, suite_num, store):
"""Given a test suite element, get all the cases it contains."""
cases = []
case_num = 0
for case_node in suite_node.getElementsByTagName('function'):
cases.append(add_test_case(case_node, case_num, store))
case_num += 1
## ALLOWED TAGS ##
# stdin - Stdin for the suite - Unique - Text inside element
# file - File to add to the filespace - Name - List
# var - Variable for the suite - Name/Value - List
# arg - Argument to functions - Name/Value - ORDERED List
# exception - Allowed exception name - Name - List
# function - An actual test case
suite_vars = []
# Add file nodes
file_nodes = suite_node.getElementsByTagName('file')
for file_node in file_nodes:
suite_vars.append(add_var(store, 'file', file_node.getAttribute('name')))
# Add vars
var_nodes = suite_node.getElementsByTagName('var')
for var_node in var_nodes:
var_name = var_node.getAttribute('name')
var_value = var_node.getAttribute('value')
suite_vars.append(add_var(store, 'var', var_name, var_value))
# Args need to be numbered as they are found, as this order matters
arg_num = 0
for arg_node in suite_node.getElementsByTagName('arg'):
suite_vars.append(add_var(store, 'arg', arg_node.getAttribute('name'),
arg_node.getAttribute('value'), arg_num))
arg_num += 1
# Add allowed exceptions
exception_nodes = suite_node.getElementsByTagName('exception')
for exception_node in exception_nodes:
name = exception_node.getAttribute('name')
suite_vars.append(add_var(store, 'exception', name))
# Can only have 0-1 stdin elements
stdin = suite_node.getElementsByTagName('stdin')
if len(stdin) > 1:
raise XMLMalformedError('Too many stdin tags found.')
if stdin:
stdin = getTextData(stdin[0])
else:
stdin = ""
new_suite = TestSuite()
new_suite.description = unicode(suite_node.getAttribute('name'))
new_suite.seq_no = suite_num
new_suite.function = unicode(suite_node.getAttribute('function'))
new_suite.stdin = unicode(stdin)
for testcase in cases:
new_suite.test_cases.add(testcase)
for var in suite_vars:
new_suite.variables.add(var)
store.add(new_suite)
return new_suite
def add_part(store, part_type, test_type, data, filename=u""):
new_part = TestCasePart()
new_part.part_type = unicode(part_type)
new_part.test_type = unicode(test_type)
new_part.data = unicode(data)
new_part.filename = unicode(filename)
store.add(new_part)
return new_part
def add_test_case(case_node, case_num, store):
"""Given a test case node, parse it int a storm object."""
## ALLOWED TAGS ##
# A function is allowed to contain the following elements
# stdout
# stderr
# result
# exception
# file
# code
allowed_parts = ['stdout', 'stderr', 'result', 'exception', 'file', 'code']
parts = []
for child_node in case_node.childNodes:
if child_node.nodeType != child_node.ELEMENT_NODE:
continue
if child_node.tagName == 'file':
part_type = 'file'
test_type = child_node.getAttribute('type')
data = getTextData(child_node)
filename = child_node.getAttribute('name')
if filename == "":
raise XMLMalformedException('file tag must have names')
parts.append(add_part(store, part_type, test_type, data,
filename))
elif child_node.tagName in allowed_parts:
part_type = child_node.tagName
test_type = child_node.getAttribute('type')
data = getTextData(child_node)
parts.append(add_part(store, part_type, test_type, data))
#Now create the object to hold the data
new_test_case = TestCase()
new_test_case.passmsg = unicode(case_node.getAttribute(u'pass'))
new_test_case.failmsg = unicode(case_node.getAttribute(u'fail'))
new_test_case.test_default = unicode(case_node.getAttribute(u'default'))
new_test_case.seq_no = case_num
store.add(new_test_case)
for part in parts:
new_test_case.parts.add(part)
return new_test_case
xmlfile = sys.argv[1]
def add_exercise(xmlfile):
store = get_store()
# Skip existing ones.
if store.find(Exercise, id=unicode(xmlfile)).count():
return
print "Adding exercise", xmlfile
try:
filedom = minidom.parse(xmlfile)
except IOError, e:
raise Exception('ivle-addexercise: error opening file ' + xmlfile + ': ' + e[1])
for child in filedom.childNodes:
if child.nodeType == child.ELEMENT_NODE and child.tagName == 'exercise':
exercise = child
else:
raise XMLMalformedError('ivle-addexercise: error parsing XML: root node must be "exercise"')
exercisename = exercise.getAttribute('name')
rows = exercise.getAttribute('rows')
if rows == '':
rows = 4
solution = None
partial_solution = None
include_code = None
description = None
test_suite_nodes = []
for child in exercise.childNodes:
if child.nodeType != child.ELEMENT_NODE:
continue
if child.tagName == 'solution':
if solution is not None:
raise XMLMalformedError('ivle-addexercise: error parsing XML: multiple "solution" nodes')
solution = getTextData(child)
elif child.tagName == 'include':
if include_code is not None:
raise XMLMalformedError('ivle-addexercise: error parsing XML: multiple "include" nodes')
include_code = getTextData(child)
elif child.tagName == 'partial':
if partial_solution is not None:
raise XMLMalformedError('ivle-addexercise: error parsing XML: multiple "include" nodes')
partial_solution = getTextData(child)
elif child.tagName == 'case':
test_suite_nodes.append(child)
elif child.tagName == 'desc':
description = getTextData(child)
new_exercise = Exercise()
new_exercise.id = unicode(xmlfile)
new_exercise.name = exercisename
new_exercise.num_rows = int(rows)
new_exercise.partial = partial_solution
new_exercise.solution = solution
new_exercise.include = include_code
new_exercise.description = description
new_exercise.partial = partial_solution
store.add(new_exercise)
suite_num = 0
for suite in test_suite_nodes:
new_exercise.test_suites.add(add_test_suite(suite, suite_num, store))
suite_num += 1
store.add(new_exercise)
store.commit()
xmlfiles = sys.argv[1:]
for xmlfile in xmlfiles:
try:
add_exercise(xmlfile)
except Exception, e:
print "ERROR: Could not add file", xmlfile
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