def __init__(self, outputDir, package, pages, scormType):
"""
Initialize
'outputDir' is the directory that we read the html from and also output
the mainfest.xml
"""
self.outputDir = outputDir
self.package = package
self.idGenerator = UniqueIdGenerator()
self.pages = pages
self.itemStr = ""
self.resStr = ""
self.scorm_type = scormType
self.dependencies = {}
class Manifest(object):
"""
Represents an imsmanifest xml file
"""
def __init__(self, outputDir, package, pages, scormType):
"""
Initialize
'outputDir' is the directory that we read the html from and also output
the mainfest.xml
"""
self.outputDir = outputDir
self.package = package
self.idGenerator = UniqueIdGenerator()
self.pages = pages
self.itemStr = ""
self.resStr = ""
self.scorm_type = scormType
self.dependencies = {}
def createMetaData(self):
"""
if user did not supply metadata title, description or creator
then use package title, description, or creator in imslrm
if they did not supply a package title, use the package name
if they did not supply a date, use today
"""
if self.scorm_type == SCORM12:
template_name = 'imslrm.xml'
elif self.scorm_type == COMMONCARTRIDGE:
template_name = 'cc.xml'
else:
raise AttributeError("Can't create metadata for %s" \
% self.scorm_type)
static_dir = Path(settings.STATIC_ROOT)
templateFilename = static_dir / 'templates' / template_name
template = open(templateFilename, 'rb').read()
lrm = model_to_dict(self.package.dublincore)
if lrm.get('title', '') == '':
lrm['title'] = self.package.title
if lrm['title'] == '':
lrm['title'] = self.package.name
if lrm.get('description', '') == '':
lrm['description'] = self.package.description
if lrm['description'] == '':
lrm['description'] = self.package.title
if lrm.get('creator', '') == '':
lrm['creator'] = self.package.author
if lrm['date'] == '':
lrm['date'] = time.strftime('%Y-%m-%d')
# if they don't look like VCARD entries, coerce to fn:
for f in ('creator', 'publisher', 'contributors'):
if re.match('.*[:;]', lrm[f]) == None:
lrm[f] = u'FN:' + lrm[f]
xml = template % lrm
return xml
def save(self, filename):
"""
Save a imsmanifest file to self.outputDir
"""
out = open(self.outputDir/filename, "w")
if filename == "imsmanifest.xml":
out.write(self.createXML().encode('utf8'))
out.close()
if self.scorm_type == SCORM12:
xml = self.createMetaData()
out = open(self.outputDir/'imslrm.xml', 'wb')
out.write(xml.encode('utf8'))
out.close()
def createXML(self):
manifestId = unicode(self.idGenerator.generate())
orgId = unicode(self.idGenerator.generate())
if self.scorm_type == COMMONCARTRIDGE:
# FIXME flatten hierarchy
for page in self.pages:
self.genItemResStr(page)
self.itemStr += "</item>\n"
else:
depth = 0
for page in self.pages:
while depth >= page.depth:
self.itemStr += "</item>\n"
depth -= 1
self.genItemResStr(page)
depth = page.depth
while depth >= 1:
self.itemStr += "</item>\n"
depth -= 1
return render_to_string("exe/export/scorm_manifest.html",
{"SCORM12" : SCORM12,
"SCORM2004" : SCORM2004,
"COMMONCARTRIDGE" : COMMONCARTRIDGE,
"manifestId" : manifestId,
"orgId" : orgId,
"manifest" : self})
def genItemResStr(self, page):
"""
Returning xml string for items and resources
"""
itemId = "ITEM-"+unicode(self.idGenerator.generate())
resId = "RES-"+unicode(self.idGenerator.generate())
filename = page.name+".html"
self.itemStr += '<item identifier="'+itemId+'" '
if self.scorm_type != COMMONCARTRIDGE:
self.itemStr += 'isvisible="true" '
self.itemStr += 'identifierref="'+resId+'">\n'
self.itemStr += " <title>"
self.itemStr += page.node.titleShort
self.itemStr += "</title>\n"
self.resStr += " <resource identifier=\""+resId+"\" "
self.resStr += "type=\"webcontent\" "
# FIXME force dependency on popup_bg.gif on every page
# because it isn't a "resource" so we can't tell which
# pages will use it from content.css
if self.scorm_type == COMMONCARTRIDGE:
self.resStr += """href="%s">
<file href="%s"/>
<file href="base.css"/>
<file href="content.css"/>
<file href="popup_bg.gif"/>""" % (filename, filename)
if page.node.package.backgroundImg:
self.resStr += '\n <file href="%s"/>' % \
page.node.package.backgroundImg.basename()
self.dependencies["../base.css"] = True
self.dependencies["content.css"] = True
self.dependencies["popup_bg.gif"] = True
else:
self.resStr += "adlcp:scormtype=\"sco\" "
self.resStr += "href=\""+filename+"\"> \n"
self.resStr += """\
<file href="%s"/>
<file href="base.css"/>
<file href="content.css"/>
<file href="popup_bg.gif"/>
<file href="APIWrapper.js"/>
<file href="SCOFunctions.js"/>""" % filename
self.resStr += "\n"
fileStr = ""
for resource in page.node.resources:
fileStr += " <file href=\""+os.path.basename(resource)+"\"/>\n"
self.dependencies[resource] = True
self.resStr += fileStr
self.resStr += " </resource>\n"
