def test_derivative_permissions(self):
Media.objects.filter(record=self.record).delete()
media = Media.objects.create(record=self.record, name='tiff', mimetype='image/tiff', storage=self.storage)
with open(os.path.join(os.path.dirname(__file__), 'test_data', 'dcmetro.tif'), 'rb') as f:
media.save_file('dcmetro.tif', f)
user1 = User.objects.create(username='******')
user2 = User.objects.create(username='******')
AccessControl.objects.create(content_object=self.collection, user=user1, read=True)
AccessControl.objects.create(content_object=self.collection, user=user2, read=True)
AccessControl.objects.create(content_object=self.storage, user=user1, read=True)
AccessControl.objects.create(content_object=self.storage, user=user2, read=True,
restrictions=dict(width=200, height=200))
result1 = get_image_for_record(self.record, width=400, height=400, user=user1)
result2 = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(400, Image.open(result1).size[0])
self.assertEqual(200, Image.open(result2).size[0])
result3 = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(result2, result3)
media.delete()
def test_derivative_permissions(self):
no_signals()
Media.objects.filter(record=self.record).delete()
media = Media.objects.create(record=self.record, name='tiff', mimetype='image/tiff', storage=self.storage)
with open(os.path.join(os.path.dirname(__file__), 'test_data', 'dcmetro.tif'), 'rb') as f:
media.save_file('dcmetro.tif', f)
user1 = User.objects.create(username='******')
user2 = User.objects.create(username='******')
AccessControl.objects.create(content_object=self.collection, user=user1, read=True)
AccessControl.objects.create(content_object=self.collection, user=user2, read=True)
AccessControl.objects.create(content_object=self.storage, user=user1, read=True)
AccessControl.objects.create(content_object=self.storage, user=user2, read=True,
restrictions=dict(width=200, height=200))
result1 = get_image_for_record(self.record, width=400, height=400, user=user1)
result2 = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(400, Image.open(result1).size[0])
self.assertEqual(200, Image.open(result2).size[0])
result3 = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(result2, result3)
media.delete()
def view(self, request):
def filename(title):
return re.sub('[^A-Za-z0-9_. ]+', '-', title)[:32]
def write(output, image, index, title, prefix=None):
if image:
output.write(image, ('%s%s %s%s' % (
os.path.join(prefix, '') if prefix else '',
str(index + 1).zfill(4),
filename(title),
os.path.splitext(image)[1])
).encode('ascii', 'replace'))
presentation = self.obj
passwords = request.session.get('passwords', dict())
response = HttpResponse(mimetype='application/zip')
response['Content-Disposition'] = 'attachment; filename=%s.zip' % filename(presentation.title)
items = presentation.items.filter(hidden=False)
memory = StringIO()
output = zipfile.ZipFile(memory, 'w')
for index, item in enumerate(items):
write(output, get_image_for_record(item.record, self.user, passwords=passwords),
index, item.record.title)
write(output, get_image_for_record(item.record, self.user, 100, 100, passwords),
index, item.record.title, 'thumb')
output.close()
response.write(memory.getvalue())
return response
def view(self, request):
def filename(title):
return re.sub('[^A-Za-z0-9_. ]+', '-', title)[:32]
def write(output, image, index, title, prefix=None):
if image:
output.write(image, ('%s%s %s%s' % (
os.path.join(prefix, '') if prefix else '',
str(index + 1).zfill(4),
filename(title or 'Slide %s' % (index + 1)),
os.path.splitext(image)[1])
).encode('ascii', 'replace'))
def metadata_file(tempfile, record):
t = Template("{% load data %}{% metadata record %}")
c = Context({'record': record, 'request': request})
tempfile.write(smart_str(t.render(c)))
tempfile.flush()
return tempfile.name
presentation = self.obj
passwords = request.session.get('passwords', dict())
items = presentation.items.filter(hidden=False)
tempfile = NamedTemporaryFile(suffix='.zip')
output = zipfile.ZipFile(tempfile, 'w')
tempjsonfile = NamedTemporaryFile(suffix='.json')
metadata = presentation_detail(request, presentation.id)
tempjsonfile.write(metadata.content)
tempjsonfile.flush()
output.write(tempjsonfile.name, os.path.join('metadata', 'metadata.json'))
for index, item in enumerate(items):
write(output, get_image_for_record(item.record, self.user, passwords=passwords),
index, item.record.title)
write(output, get_image_for_record(item.record, self.user, 100, 100, passwords),
index, item.record.title, 'thumb')
tempmetadatafile = NamedTemporaryFile(suffix='.html')
write(output, metadata_file(tempmetadatafile, item.record),
index, item.record.title, 'metadata')
output.close()
tempfile.flush()
tempfile.seek(0)
wrapper = FileWrapper(tempfile)
response = HttpResponse(wrapper, content_type='application/zip')
response['Content-Disposition'] = 'attachment; filename=%s.zip' % filename(presentation.title)
response['Content-Length'] = os.path.getsize(tempfile.name)
return response
def view(self, request):
def filename(title):
return re.sub('[^A-Za-z0-9_. ]+', '-', title)[:32]
def write(output, image, index, title, prefix=None):
if image:
output.write(image, ('%s%s %s%s' % (
os.path.join(prefix, '') if prefix else '',
str(index + 1).zfill(4),
filename(title),
os.path.splitext(image)[1])
).encode('ascii', 'replace'))
def metadata_file(tempfile, record):
t = Template("{% load data %}{% metadata record %}")
c = Context({'record': record, 'request': request})
tempfile.write(t.render(c))
tempfile.flush()
return tempfile.name
presentation = self.obj
passwords = request.session.get('passwords', dict())
items = presentation.items.filter(hidden=False)
tempfile = NamedTemporaryFile(suffix='.zip')
output = zipfile.ZipFile(tempfile, 'w')
tempjsonfile = NamedTemporaryFile(suffix='.json')
metadata = presentation_detail(request, presentation.id)
tempjsonfile.write(metadata.content)
tempjsonfile.flush()
output.write(tempjsonfile.name, os.path.join('metadata', 'metadata.json'))
for index, item in enumerate(items):
write(output, get_image_for_record(item.record, self.user, passwords=passwords),
index, item.record.title)
write(output, get_image_for_record(item.record, self.user, 100, 100, passwords),
index, item.record.title, 'thumb')
tempmetadatafile = NamedTemporaryFile(suffix='.html')
write(output, metadata_file(tempmetadatafile, item.record),
index, item.record.title, 'metadata')
output.close()
tempfile.flush()
tempfile.seek(0)
wrapper = FileWrapper(tempfile)
response = HttpResponse(wrapper, mimetype='application/zip')
response['Content-Disposition'] = 'attachment; filename=%s.zip' % filename(presentation.title)
response['Content-Length'] = os.path.getsize(tempfile.name)
return response
def retrieve_image(request, recordid, record, width=None, height=None):
passwords = request.session.get('passwords', dict())
force_reprocess = request.GET.has_key('reprocess')
path = get_image_for_record(
recordid, request.user, int(width or 100000), int(height or 100000), passwords,
force_reprocess=force_reprocess)
if not path:
logging.error("get_image_for_record failed for record.id %s" % recordid)
raise Http404()
Activity.objects.create(event='media-download-image',
request=request,
content_object=Record.objects.get(id=recordid),
data=dict(width=width, height=height))
try:
response = HttpResponse(content=file(path, 'rb').read(), mimetype='image/jpeg')
if request.GET.has_key('forcedl'):
# if filename was used for record stub, remove extension here to
# prevent duplication
if record.endswith('jpg'):
record = record[:-3]
response["Content-Disposition"] = "attachment; filename=%s.jpg" % record
return response
except IOError:
logging.error("IOError: %s" % path)
raise Http404()
def retrieve_image(request, recordid, record, width=None, height=None):
passwords = request.session.get('passwords', dict())
force_reprocess = 'reprocess' in request.GET
path = get_image_for_record(recordid,
request.user,
int(width or 100000),
int(height or 100000),
passwords,
force_reprocess=force_reprocess)
if not path:
logging.error("get_image_for_record failed for record.id %s" %
recordid)
raise Http404()
Activity.objects.create(event='media-download-image',
request=request,
content_object=Record.objects.get(id=recordid),
data=dict(width=width, height=height))
try:
response = HttpResponse(content=file(path, 'rb').read(),
content_type='image/jpeg')
if 'forcedl' in request.GET:
# if filename was used for record stub, remove extension here to
# prevent duplication
if record.endswith('jpg'):
record = record[:-3]
response["Content-Disposition"] = \
"attachment; filename=%s.jpg" % record
return response
except IOError:
logging.error("IOError: %s" % path)
raise Http404()
def drawCard(index, item):
p.saveState()
p.translate(0, height / 3 * (2 - index % 3))
# retrieve record while making sure it's accessible to presentation owner
record = Record.filter_one_by_access(presentation.owner, item.record.id)
if record:
image = get_image_for_record(record, presentation.owner, 800, 800, passwords)
if image:
p.drawImage(image, inch / 2, inch / 2, width=width / 2 - inch, height=height / 3 - inch,
preserveAspectRatio=True)
f = Frame(width / 2 + inch / 2, inch / 2,
width=width / 2 - inch, height=height / 3 - inch,
leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0)
data = []
data.append(getParagraph('%s/%s' % (index + 1, len(items)), styles['SlideNumber']))
values = item.get_fieldvalues(owner=request.user)
for value in values:
v = value.value if len(value.value) < 100 else value.value[:100] + '...'
v = remove_rels_from_a_tags(v)
data.append(getParagraph('<b>%s:</b> %s' % (value.resolved_label, v), styles['Data']))
annotation = item.annotation
if annotation:
data.append(getParagraph('<b>%s:</b> %s' % ('Annotation', annotation), styles['Data']))
data = filter(None, data)
f.addFromList(data, p)
if data:
p.setFont('Helvetica', 8)
p.setFillColorRGB(0, 0, 0)
p.drawRightString(width - inch / 2, inch / 2, '...')
p.restoreState()
def retrieve_image(request, recordid, record, width=None, height=None):
if DEBUG:
print 'storage/views.py -- retrieve_image'
print 'record = ' + record
print 'record_id = ' + recordid
print 'width = '+ str(width) +' and height = '+str(height)
passwords = request.session.get('passwords', dict())
#print 'record image path ' + record.get_absolute_url()
path = get_image_for_record(recordid, request.user, int(width or 100000), int(height or 100000), passwords)
if not path:
#raise Http404()
if DEBUG:
print "THUMBNAIL UNAVAILABLE - NO PATH"
return HttpResponseRedirect(reverse('static', args=('images/thumbnail_unavailable.png',)))
Activity.objects.create(event='media-download-image',
request=request,
content_object=Record.objects.get(id=recordid),
data=dict(width=width, height=height))
try:
response = HttpResponse(content=file(path, 'rb').read(), mimetype='image/jpeg')
if request.GET.has_key('forcedl'):
response["Content-Disposition"] = "attachment; filename=%s.jpg" % record
return response
except IOError:
logging.error("IOError: %s" % path)
#raise Http404()
print "THUMBNAIL UNAVAILABLE - IO ERROR"
return HttpResponseRedirect(reverse('static', args=('images/thumbnail_unavailable.png',)))
def retrieve_iiif_image(request, recordid, record):
passwords = request.session.get('passwords', dict())
force_reprocess = 'reprocess' in request.GET
path = get_image_for_record(
recordid,
request.user,
passwords=passwords,
force_reprocess=force_reprocess,
loris_name=True, # Loris does not deal with spaces in filenames
)
if not path:
logging.error("get_image_for_record failed for record.id %s" %
recordid)
raise Http404()
record_obj = Record.objects.get(id=recordid)
Activity.objects.create(event='media-download-image',
request=request,
content_object=record_obj,
data=dict())
return handle_loris_request(request, path, recordid, record)
def retrieve_image(request, recordid, record, width=None, height=None):
passwords = request.session.get('passwords', dict())
path = get_image_for_record(recordid, request.user, int(width or 100000),
int(height or 100000), passwords)
if not path:
logging.error("get_image_for_record failed for record.id %s" %
recordid)
raise Http404()
Activity.objects.create(event='media-download-image',
request=request,
content_object=Record.objects.get(id=recordid),
data=dict(width=width, height=height))
try:
response = HttpResponse(content=file(path, 'rb').read(),
mimetype='image/jpeg')
if request.GET.has_key('forcedl'):
response[
"Content-Disposition"] = "attachment; filename=%s.jpg" % record
return response
except IOError:
logging.error("IOError: %s" % path)
raise Http404()
def drawCard(index, item):
p.saveState()
p.translate(0, height / 3 * (2 - index % 3))
# retrieve record while making sure it's accessible to presentation owner
record = Record.filter_one_by_access(presentation.owner, item.record.id)
if record:
image = get_image_for_record(record, presentation.owner, 800, 800, passwords)
if image:
p.drawImage(image, inch / 2, inch / 2, width=width / 2 - inch, height=height / 3 - inch,
preserveAspectRatio=True)
f = Frame(width / 2 + inch / 2, inch / 2,
width=width / 2 - inch, height = height / 3 - inch,
leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0)
data = []
data.append(getParagraph('%s/%s' % (index + 1, len(items)), styles['SlideNumber']))
values = item.get_fieldvalues(owner=request.user)
for value in values:
v = value.value if len(value.value) < 100 else value.value[:100] + '...'
data.append(getParagraph('<b>%s:</b> %s' % (value.resolved_label, v), styles['Data']))
annotation = item.annotation
if annotation:
data.append(getParagraph('<b>%s:</b> %s' % ('Annotation', annotation), styles['Data']))
data = filter(None, data)
f.addFromList(data, p)
if data:
p.setFont('Helvetica', 8)
p.setFillColorRGB(0, 0, 0)
p.drawRightString(width - inch / 2, inch / 2, '...')
p.restoreState()
def retrieve_image(request, recordid, record, width=None, height=None):
print 'retrieve_image'
passwords = request.session.get('passwords', dict())
path = get_image_for_record(recordid, request.user, int(width or 100000), int(height or 100000), passwords)
if not path:
#raise Http404()
print "THUMBNAIL UNAVAILABLE - NO PATH"
return HttpResponseRedirect(reverse('static', args=('images/thumbnail_unavailable.png',)))
Activity.objects.create(event='media-download-image',
request=request,
content_object=Record.objects.get(id=recordid),
data=dict(width=width, height=height))
try:
response = HttpResponse(content=file(path, 'rb').read(), mimetype='image/jpeg')
if request.GET.has_key('forcedl'):
response["Content-Disposition"] = "attachment; filename=%s.jpg" % record
return response
except IOError:
logging.error("IOError: %s" % path)
#raise Http404()
print "THUMBNAIL UNAVAILABLE - IO ERROR"
return HttpResponseRedirect(reverse('static', args=('images/thumbnail_unavailable.png',)))
def test_access_through_presentation(self):
no_signals()
Media.objects.filter(record=self.record).delete()
media = Media.objects.create(record=self.record, name='tiff', mimetype='image/tiff', storage=self.storage)
with open(os.path.join(os.path.dirname(__file__), 'test_data', 'dcmetro.tif'), 'rb') as f:
media.save_file('dcmetro.tif', f)
user1 = User.objects.create(username='******')
user2 = User.objects.create(username='******')
AccessControl.objects.create(content_object=self.collection, user=user1, read=True)
storage_acl = AccessControl.objects.create(content_object=self.storage, user=user1, read=True)
presentation = Presentation.objects.create(title='test47949074', owner=user1)
presentation.items.create(record=self.record, order=1)
# user2 has no access to storage or collection, so should not get result
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(None, result)
# give access to presentation
AccessControl.objects.create(content_object=presentation, user=user2, read=True)
# user2 has no access to storage yet, so still should not get result
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(None, result)
# give user2 access to storage
user2_storage_acl = AccessControl.objects.create(content_object=self.storage, user=user2, read=True)
# now user2 should get the image
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(400, Image.open(result).size[0])
# limit user2 image size
user2_storage_acl.restrictions = dict(width=200, height=200)
user2_storage_acl.save()
# we should now get a smaller image
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(200, Image.open(result).size[0])
# password protect the presentation
presentation.password='******'
presentation.save()
# user2 has not provided presentation password, so should not get result
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(None, result)
# with presentation password, image should be returned
result = get_image_for_record(self.record, width=400, height=400, user=user2,
passwords={presentation.id: 'secret'})
self.assertEqual(200, Image.open(result).size[0])
def test_access_through_presentation(self):
Media.objects.filter(record=self.record).delete()
media = Media.objects.create(record=self.record, name='tiff', mimetype='image/tiff', storage=self.storage)
with open(os.path.join(os.path.dirname(__file__), 'test_data', 'dcmetro.tif'), 'rb') as f:
media.save_file('dcmetro.tif', f)
user1 = User.objects.create(username='******')
user2 = User.objects.create(username='******')
AccessControl.objects.create(content_object=self.collection, user=user1, read=True)
storage_acl = AccessControl.objects.create(content_object=self.storage, user=user1, read=True)
presentation = Presentation.objects.create(title='test47949074', owner=user1)
presentation.items.create(record=self.record, order=1)
# user2 has no access to storage or collection, so should not get result
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(None, result)
# give access to presentation
AccessControl.objects.create(content_object=presentation, user=user2, read=True)
# user2 has no access to storage yet, so still should not get result
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(None, result)
# give user2 access to storage
user2_storage_acl = AccessControl.objects.create(content_object=self.storage, user=user2, read=True)
# now user2 should get the image
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(400, Image.open(result).size[0])
# limit user2 image size
user2_storage_acl.restrictions = dict(width=200, height=200)
user2_storage_acl.save()
# we should now get a smaller image
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(200, Image.open(result).size[0])
# password protect the presentation
presentation.password='******'
presentation.save()
# user2 has not provided presentation password, so should not get result
result = get_image_for_record(self.record, width=400, height=400, user=user2)
self.assertEqual(None, result)
# with presentation password, image should be returned
result = get_image_for_record(self.record, width=400, height=400, user=user2,
passwords={presentation.id: 'secret'})
self.assertEqual(200, Image.open(result).size[0])
def retrieve_image(request, recordid, record, width=None, height=None):
passwords = request.session.get('passwords', dict())
path = get_image_for_record(recordid, request.user, int(width or 100000), int(height or 100000), passwords)
if not path:
raise Http404()
Activity.objects.create(event='media-download-image',
request=request,
content_object=Record.objects.get(id=recordid),
data=dict(width=width, height=height))
try:
response = HttpResponse(content=file(path, 'rb').read(), mimetype='image/jpeg')
if request.GET.has_key('forcedl'):
response["Content-Disposition"] = "attachment; filename=%s.jpg" % record
return response
except IOError:
logging.error("IOError: %s" % path)
raise Http404()
def view(self, request):
presentation = self.obj
passwords = request.session.get('passwords', dict())
response = HttpResponse(mimetype='application/pdf')
pagesize = getattr(pagesizes, settings.PDF_PAGESIZE)
width, height = pagesize
class DocTemplate(BaseDocTemplate):
def afterPage(self):
self.handle_nextPageTemplate('Later')
def column_frame(left):
return Frame(left,
inch / 2,
width=width / 2 - 0.75 * inch,
height=height - inch,
leftPadding=0,
bottomPadding=0,
rightPadding=0,
topPadding=0,
showBoundary=False)
def prepare_first_page(canvas, document):
p1 = Paragraph(presentation.title, styles['Heading'])
p2 = Paragraph(presentation.owner.get_full_name(),
styles['SubHeading'])
avail_width = width - inch
avail_height = height - inch
w1, h1 = p1.wrap(avail_width, avail_height)
w2, h2 = p2.wrap(avail_width, avail_height)
f = Frame(inch / 2,
inch / 2,
width - inch,
height - inch,
leftPadding=0,
bottomPadding=0,
rightPadding=0,
topPadding=0)
f.addFromList([p1, p2], canvas)
document.pageTemplate.frames[0].height -= h1 + h2 + inch / 2
document.pageTemplate.frames[1].height -= h1 + h2 + inch / 2
canvas.saveState()
canvas.setStrokeColorRGB(0, 0, 0)
canvas.line(width / 2, inch / 2, width / 2,
height - inch - h1 - h2)
canvas.restoreState()
def prepare_later_page(canvas, document):
canvas.saveState()
canvas.setStrokeColorRGB(0, 0, 0)
canvas.line(width / 2, inch / 2, width / 2, height - inch / 2)
canvas.restoreState()
def getStyleSheet():
stylesheet = StyleSheet1()
stylesheet.add(
ParagraphStyle(name='Normal',
fontName='Times-Roman',
fontSize=8,
leading=10,
spaceAfter=18))
stylesheet.add(
ParagraphStyle(name='SlideNumber',
parent=stylesheet['Normal'],
alignment=TA_RIGHT,
fontSize=6,
leading=8,
rightIndent=3,
spaceAfter=0))
stylesheet.add(
ParagraphStyle(name='Heading',
parent=stylesheet['Normal'],
fontSize=20,
leading=24,
alignment=TA_CENTER,
spaceAfter=0))
stylesheet.add(
ParagraphStyle(name='SubHeading',
parent=stylesheet['Normal'],
fontSize=16,
leading=20,
alignment=TA_CENTER))
return stylesheet
styles = getStyleSheet()
items = presentation.items.filter(hidden=False)
content = []
for index, item in enumerate(items):
text = []
values = item.get_fieldvalues(owner=request.user)
for value in values:
text.append('<b>%s</b>: %s<br />' %
(value.resolved_label, value.value))
annotation = item.annotation
if annotation:
text.append('<b>%s</b>: %s<br />' % ('Annotation', annotation))
try:
p = Paragraph(''.join(text), styles['Normal'])
except (AttributeError, KeyError, IndexError):
# this sometimes triggers an error in reportlab
p = None
if p:
image = get_image_for_record(item.record, presentation.owner,
100, 100, passwords)
if image:
try:
i = flowables.Image(image,
kind='proportional',
width=1 * inch,
height=1 * inch)
p = flowables.ParagraphAndImage(p, i)
except IOError:
pass
content.append(
flowables.KeepTogether([
Paragraph('%s/%s' % (index + 1, len(items)),
styles['SlideNumber']), p
]))
first_template = PageTemplate(id='First',
frames=[
column_frame(inch / 2),
column_frame(width / 2 + 0.25 * inch)
],
pagesize=pagesize,
onPage=prepare_first_page)
later_template = PageTemplate(id='Later',
frames=[
column_frame(inch / 2),
column_frame(width / 2 + 0.25 * inch)
],
pagesize=pagesize,
onPage=prepare_later_page)
doc = DocTemplate(response)
doc.addPageTemplates([first_template, later_template])
doc.build(content)
return response
def _process_slides(self, outfile):
for n in range(2, len(self.items) + 2):
item = self.items[n - 2]
x = xml.dom.minidom.parseString(self.slide_template)
xr = xml.dom.minidom.parseString(self.slide_rel_template)
xn = xml.dom.minidom.parseString(self.slide_notes_template)
xnr = xml.dom.minidom.parseString(self.slide_notes_rel_template)
record = item.record
# insert notes
fieldvalues = list(item.get_fieldvalues())
if fieldvalues:
fieldvalues[0]._subitem = False
for i in range(1, len(fieldvalues)):
fieldvalues[i]._subitem = (fieldvalues[i].field == fieldvalues[i - 1].field and
fieldvalues[i].group == fieldvalues[i - 1].group)
body = xn.getElementsByTagName('p:txBody').item(0)
def appendText(text):
ap1 = xn.createElement('a:p')
ar = xn.createElement('a:r')
arPr = xn.createElement('a:rPr')
arPr.setAttribute('dirty','0')
arPr.setAttribute('lang','en-US')
arPr.setAttribute('smtClean','0')
at = xn.createElement('a:t')
txt = xn.createTextNode(text)
at.appendChild(txt)
ar.appendChild(arPr)
ar.appendChild(at)
ap1.appendChild(ar)
body.appendChild(ap1)
for value in fieldvalues:
appendText('%s%s: %s' % (
value._subitem and 'sub' or '',
value.resolved_label,
value.value or ''))
annotation = item.annotation
if annotation:
appendText('Annotation: %s' % annotation)
# update the slide number in notes
e = filter(lambda e: e.getAttribute('type') == 'slidenum', xn.getElementsByTagName('a:fld'))[0]
e.getElementsByTagName('a:t').item(0).firstChild.nodeValue = n
# insert title
for e in x.getElementsByTagName('a:t'):
t = e.firstChild.nodeValue
if t == 'title':
t = item.title or ''
e.firstChild.nodeValue = t
# insert image if available
image = get_image_for_record(record, self.user, 800, 600)
if image:
# add image to outfile
with file(image, 'rb') as f:
content = f.read()
name = 'image%s.jpg' % n
self.additional_content_types.setdefault('image/jpeg;jpg', None)
outfile.writestr('ppt/media/' + name, content)
# find image placeholder
e = filter(lambda e: e.getAttribute('descr') == 'image', x.getElementsByTagName('p:cNvPr'))[0]
e = e.parentNode.parentNode
embedId = e.getElementsByTagName('a:blip')[0].getAttribute('r:embed')
try:
width, height = Image.open(image).size
except IOError:
width, height = None, None
if width and height:
offset = e.getElementsByTagName('a:off')[0]
extent = e.getElementsByTagName('a:ext')[0]
px = int(offset.getAttribute('x'))
py = int(offset.getAttribute('y'))
pw = int(extent.getAttribute('cx'))
ph = int(extent.getAttribute('cy'))
imageratio = width * 1.0 / height
ratio = pw * 1.0 / ph
if imageratio > ratio:
new_h = height * pw / width
new_w = pw
new_x = px
new_y = py + (ph - new_h) / 2
else:
new_h = ph
new_w = width * ph / height
new_x = px + (pw - new_w) / 2
new_y = py
offset.setAttribute('x', str(new_x))
offset.setAttribute('y', str(new_y))
extent.setAttribute('cx', str(new_w))
extent.setAttribute('cy', str(new_h))
# add image to slide relation
rel = filter(lambda e: e.getAttribute('Id') == embedId, xr.getElementsByTagName('Relationship'))[0]
self.placeholder_image = 'ppt' + rel.getAttribute('Target')[2:]
rel.setAttribute('Target', '../media/' + name)
# add notes to slide relation
rel2 = filter(lambda e: e.getAttribute('Type') ==
"http://schemas.openxmlformats.org/officeDocument/2006/relationships/notesSlide",
xr.getElementsByTagName('Relationship'))[0]
rel2.setAttribute('Target', '../notesSlides/notesSlide%s.xml' % n)
# add slide to notes relation
rel3 = filter(lambda e: e.getAttribute('Type') ==
"http://schemas.openxmlformats.org/officeDocument/2006/relationships/slide",
xnr.getElementsByTagName('Relationship'))[0]
rel3.setAttribute('Target', '../slides/slide%s.xml' % n)
else:
self.remove_placeholder_image = False
outfile.writestr('ppt/slides/slide%s.xml' % n, standalone(x.toxml(encoding="UTF-8")))
outfile.writestr('ppt/slides/_rels/slide%s.xml.rels' % n, standalone(xr.toxml(encoding="UTF-8")))
outfile.writestr('ppt/notesSlides/notesSlide%s.xml' % n, standalone(xn.toxml(encoding="UTF-8")))
outfile.writestr('ppt/notesSlides/_rels/notesSlide%s.xml.rels' % n, standalone(xnr.toxml(encoding="UTF-8")))
def view(self, request, id, name):
return_url = request.GET.get('next', reverse('presentation-browse'))
presentation = Presentation.get_by_id_for_request(id, request)
if not presentation:
if not request.user.is_authenticated():
return HttpResponseRedirect(reverse('login') + '?next=' + request.get_full_path())
else:
return HttpResponseRedirect(return_url)
passwords = request.session.get('passwords', dict())
response = HttpResponse(mimetype='application/pdf')
pagesize = getattr(pagesizes, settings.PDF_PAGESIZE)
width, height = pagesize
class DocTemplate(BaseDocTemplate):
def afterPage(self):
self.handle_nextPageTemplate('Later')
def column_frame(left):
return Frame(left, inch / 2,
width=width / 2 - 0.75 * inch, height = height - inch,
leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0, showBoundary=False)
def prepare_first_page(canvas, document):
p1 = Paragraph(presentation.title, styles['Heading'])
p2 = Paragraph(presentation.owner.get_full_name(), styles['SubHeading'])
avail_width = width - inch
avail_height = height - inch
w1, h1 = p1.wrap(avail_width, avail_height)
w2, h2 = p2.wrap(avail_width, avail_height)
f = Frame(inch / 2, inch / 2, width - inch, height - inch,
leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0)
f.addFromList([p1, p2], canvas)
document.pageTemplate.frames[0].height -= h1 + h2 + inch / 2
document.pageTemplate.frames[1].height -= h1 + h2 + inch / 2
canvas.saveState()
canvas.setStrokeColorRGB(0, 0, 0)
canvas.line(width / 2, inch / 2, width / 2, height - inch - h1 - h2)
canvas.restoreState()
def prepare_later_page(canvas, document):
canvas.saveState()
canvas.setStrokeColorRGB(0, 0, 0)
canvas.line(width / 2, inch / 2, width / 2, height - inch / 2)
canvas.restoreState()
styles = getStyleSheet()
items = presentation.items.filter(hidden=False)
content = []
for index, item in enumerate(items):
text = []
values = item.get_fieldvalues(owner=request.user)
for value in values:
text.append('<b>%s</b>: %s<br />' % (value.resolved_label, value.value))
annotation = item.annotation
if annotation:
text.append('<b>%s</b>: %s<br />' % ('Annotation', annotation))
try:
p = Paragraph(''.join(text), styles['Normal'])
except (AttributeError, KeyError, IndexError):
# this sometimes triggers an error in reportlab
p = None
if p:
image = get_image_for_record(item.record, presentation.owner, 100, 100, passwords)
if image:
try:
i = flowables.Image(image, kind='proportional',
width=1 * inch, height=1 * inch)
p = flowables.ParagraphAndImage(p, i)
except IOError:
pass
content.append(flowables.KeepTogether(
[Paragraph('%s/%s' % (index + 1, len(items)), styles['SlideNumber']), p]))
first_template = PageTemplate(id='First',
frames=[column_frame(inch / 2), column_frame(width / 2 + 0.25 * inch)],
pagesize=pagesize,
onPage=prepare_first_page)
later_template = PageTemplate(id='Later',
frames=[column_frame(inch / 2), column_frame(width / 2 + 0.25 * inch)],
pagesize=pagesize,
onPage=prepare_later_page)
doc = DocTemplate(response)
doc.addPageTemplates([first_template, later_template])
doc.build(content)
return response
def _process_slides(self, outfile):
for n in range(2, len(self.items) + 2):
item = self.items[n - 2]
x = xml.dom.minidom.parseString(self.slide_template)
xr = xml.dom.minidom.parseString(self.slide_rel_template)
xn = xml.dom.minidom.parseString(self.slide_notes_template)
xnr = xml.dom.minidom.parseString(self.slide_notes_rel_template)
record = item.record
# insert notes
fieldvalues = list(item.get_fieldvalues())
if fieldvalues:
fieldvalues[0]._subitem = False
for i in range(1, len(fieldvalues)):
fieldvalues[i]._subitem = (
fieldvalues[i].field == fieldvalues[i - 1].field
and fieldvalues[i].group == fieldvalues[i - 1].group)
body = xn.getElementsByTagName('p:txBody').item(0)
def append_text(text):
ap1 = xn.createElement('a:p')
ar = xn.createElement('a:r')
ar_pr = xn.createElement('a:rPr')
ar_pr.setAttribute('dirty', '0')
ar_pr.setAttribute('lang', 'en-US')
ar_pr.setAttribute('smtClean', '0')
at = xn.createElement('a:t')
txt = xn.createTextNode(text)
at.appendChild(txt)
ar.appendChild(ar_pr)
ar.appendChild(at)
ap1.appendChild(ar)
body.appendChild(ap1)
for value in fieldvalues:
append_text('%s%s: %s' %
(value._subitem and 'sub'
or '', value.resolved_label, value.value or ''))
annotation = item.annotation
if annotation:
append_text('Annotation: %s' % annotation)
# update the slide number in notes
e = filter(lambda e: e.getAttribute('type') == 'slidenum',
xn.getElementsByTagName('a:fld'))[0]
e.getElementsByTagName('a:t').item(0).firstChild.nodeValue = n
# insert title
for e in x.getElementsByTagName('a:t'):
t = e.firstChild.nodeValue
if t == 'title':
t = item.title or ''
e.firstChild.nodeValue = t
# insert image if available
try:
image = get_image_for_record(
record, self.user, getattr(settings, 'PPTEXPORT_WIDTH',
800),
getattr(settings, 'PPTEXPORT_HEIGHT', 600))
except:
image = None
if image and os.path.isfile(image):
# add image to outfile
with file(image, 'rb') as f:
content = f.read()
name = 'image%s.jpg' % n
self.additional_content_types.setdefault(
'image/jpeg;jpg', None)
outfile.writestr('ppt/media/' + name, content)
# find image placeholder
e = filter(lambda e: e.getAttribute('descr') == 'image',
x.getElementsByTagName('p:cNvPr'))[0]
e = e.parentNode.parentNode
embed_id = e.getElementsByTagName('a:blip')[0].getAttribute(
'r:embed')
try:
width, height = Image.open(image).size
except IOError:
width, height = None, None
if width and height:
offset = e.getElementsByTagName('a:off')[0]
extent = e.getElementsByTagName('a:ext')[0]
px = int(offset.getAttribute('x'))
py = int(offset.getAttribute('y'))
pw = int(extent.getAttribute('cx'))
ph = int(extent.getAttribute('cy'))
imageratio = width * 1.0 / height
ratio = pw * 1.0 / ph
if imageratio > ratio:
new_h = height * pw / width
new_w = pw
new_x = px
new_y = py + (ph - new_h) / 2
else:
new_h = ph
new_w = width * ph / height
new_x = px + (pw - new_w) / 2
new_y = py
offset.setAttribute('x', str(new_x))
offset.setAttribute('y', str(new_y))
extent.setAttribute('cx', str(new_w))
extent.setAttribute('cy', str(new_h))
# add image to slide relation
rel = filter(lambda e: e.getAttribute('Id') == embed_id,
xr.getElementsByTagName('Relationship'))[0]
self.placeholder_image = 'ppt' + rel.getAttribute(
'Target')[2:]
rel.setAttribute('Target', '../media/' + name)
# add notes to slide relation
rel2 = filter(
lambda e: e.getAttribute('Type') ==
"http://schemas.openxmlformats.org/officeDocument/"
"2006/relationships/notesSlide",
xr.getElementsByTagName('Relationship'))[0]
rel2.setAttribute('Target',
'../notesSlides/notesSlide%s.xml' % n)
# add slide to notes relation
rel3 = filter(
lambda e: e.getAttribute('Type') ==
"http://schemas.openxmlformats.org/officeDocument/"
"2006/relationships/slide",
xnr.getElementsByTagName('Relationship'))[0]
rel3.setAttribute('Target', '../slides/slide%s.xml' % n)
else:
self.remove_placeholder_image = False
outfile.writestr('ppt/slides/slide%s.xml' % n,
standalone(x.toxml(encoding="UTF-8")))
outfile.writestr('ppt/slides/_rels/slide%s.xml.rels' % n,
standalone(xr.toxml(encoding="UTF-8")))
outfile.writestr('ppt/notesSlides/notesSlide%s.xml' % n,
standalone(xn.toxml(encoding="UTF-8")))
outfile.writestr('ppt/notesSlides/_rels/notesSlide%s.xml.rels' % n,
standalone(xnr.toxml(encoding="UTF-8")))
def view(self, request):
def filename(title):
return re.sub('[^A-Za-z0-9_. ]+', '-', title)[:32]
presentation = self.obj
passwords = request.session.get('passwords', dict())
items = presentation.items.filter(hidden=False)
tempfile = NamedTemporaryFile(suffix='.zip')
output = zipfile.ZipFile(tempfile, 'w')
template_name = getattr(settings, 'PRESENTATION_VIEWER_TEMPLATE',
'presentation_viewer.html')
page = loader.render_to_string(
template_name, {
'presentation': self.obj,
'return_url': '/exit',
'manifest_url': '/presentation/manifest.json',
})
manifest = raw_manifest(request,
self.obj.id,
self.obj.name,
offline=True)
output.writestr('presentation/index.html', page)
output.writestr('presentation/manifest.json', json.dumps(manifest))
for static_file in STATIC_FILES:
path = finders.find(static_file)
if path:
output.write(path, 'static/' + static_file)
package_files_dir = os.path.join(os.path.dirname(__file__),
'mirador_package')
for root, dirs, files in os.walk(package_files_dir):
for f in files:
path = os.path.join(root, f)
output.write(path, os.path.relpath(path, package_files_dir))
for item in items:
image = get_image_for_record(item.record,
self.user,
passwords=passwords)
outpath = item.record.get_image_url(
force_reprocess=False,
handler='storage-retrieve-iiif-image',
)
if image:
output.write(image, outpath)
image = get_image_for_record(item.record,
self.user,
100,
100,
passwords=passwords)
if image:
output.write(
image,
'thumbs' + outpath,
)
output.writestr(
reverse('presentation-blank-slide',
kwargs=dict(extra='')).strip('/'),
transparent_png(request, None).content)
output.writestr(
reverse('presentation-missing-slide',
kwargs=dict(extra='')).strip('/'),
missing_png(request, None).content)
output.close()
tempfile.flush()
tempfile.seek(0)
wrapper = FileWrapper(tempfile)
response = HttpResponse(wrapper, content_type='application/zip')
response['Content-Disposition'] = \
'attachment; filename=%s.zip' % filename(presentation.title)
response['Content-Length'] = os.path.getsize(tempfile.name)
return response
def view(self, request):
presentation = self.obj
passwords = request.session.get('passwords', dict())
response = HttpResponse(content_type='application/pdf')
pagesize = getattr(pagesizes, settings.PDF_PAGESIZE)
width, height = pagesize
class DocTemplate(BaseDocTemplate):
def afterPage(self):
self.handle_nextPageTemplate('Later')
def column_frame(left):
return Frame(left, inch / 2,
width=width / 2 - 0.75 * inch, height=height - inch,
leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0, showBoundary=False)
def prepare_first_page(canvas, document):
p1 = Paragraph(presentation.title, styles['Heading'])
p2 = Paragraph(presentation.owner.get_full_name(), styles['SubHeading'])
avail_width = width - inch
# TODO: determine if the complaint about height being undeclared is just pycharm or if its a problem
# if it is possibly a problem "it's better to be explicit" so refactor
avail_height = height - inch
w1, h1 = p1.wrap(avail_width, avail_height)
w2, h2 = p2.wrap(avail_width, avail_height)
f = Frame(inch / 2, inch / 2, width - inch, height - inch,
leftPadding=0, bottomPadding=0, rightPadding=0, topPadding=0)
f.addFromList([p1, p2], canvas)
document.pageTemplate.frames[0].height -= h1 + h2 + inch / 2
document.pageTemplate.frames[1].height -= h1 + h2 + inch / 2
canvas.saveState()
canvas.setStrokeColorRGB(0, 0, 0)
canvas.line(width / 2, inch / 2, width / 2, height - inch - h1 - h2)
canvas.restoreState()
def prepare_later_page(canvas, document):
canvas.saveState()
canvas.setStrokeColorRGB(0, 0, 0)
canvas.line(width / 2, inch / 2, width / 2, height - inch / 2)
canvas.restoreState()
def getStyleSheet():
stylesheet = StyleSheet1()
stylesheet.add(ParagraphStyle(name='Normal',
fontName='Times-Roman',
fontSize=8,
leading=10,
spaceAfter=18))
stylesheet.add(ParagraphStyle(name='SlideNumber',
parent=stylesheet['Normal'],
alignment=TA_RIGHT,
fontSize=6,
leading=8,
rightIndent=3,
spaceAfter=0))
stylesheet.add(ParagraphStyle(name='Heading',
parent=stylesheet['Normal'],
fontSize=20,
leading=24,
alignment=TA_CENTER,
spaceAfter=0))
stylesheet.add(ParagraphStyle(name='SubHeading',
parent=stylesheet['Normal'],
fontSize=16,
leading=20,
alignment=TA_CENTER))
return stylesheet
styles = getStyleSheet()
items = presentation.items.filter(hidden=False)
content = []
for index, item in enumerate(items):
text = []
values = item.get_fieldvalues(owner=request.user)
for value in values:
log.debug('value for cleaning = %s' % value.value)
value.value = remove_rels_from_a_tags(value.value)
log.debug('cleaned value = %s' % value.value)
text.append('<b>%s</b>: %s<br />' % (value.resolved_label, value.value))
annotation = item.annotation
if annotation:
text.append('<b>%s</b>: %s<br />' % ('Annotation', annotation))
try:
p = Paragraph(''.join(text), styles['Normal'])
except (AttributeError, KeyError, IndexError):
# this sometimes triggers an error in reportlab
p = None
if p:
image = get_image_for_record(item.record, presentation.owner, 100, 100, passwords)
if image:
try:
i = flowables.Image(image, kind='proportional',
width=1 * inch, height=1 * inch)
p = flowables.ParagraphAndImage(p, i)
except IOError:
pass
content.append(flowables.KeepTogether(
[Paragraph('%s/%s' % (index + 1, len(items)), styles['SlideNumber']), p]))
first_template = PageTemplate(id='First',
frames=[column_frame(inch / 2), column_frame(width / 2 + 0.25 * inch)],
pagesize=pagesize,
onPage=prepare_first_page)
later_template = PageTemplate(id='Later',
frames=[column_frame(inch / 2), column_frame(width / 2 + 0.25 * inch)],
pagesize=pagesize,
onPage=prepare_later_page)
doc = DocTemplate(response)
doc.addPageTemplates([first_template, later_template])
doc.build(content)
response['Content-Disposition'] = 'filename="' + smart_str(presentation.title) + '.pdf"'
return response
