def handle_uploaded_cover(request,
cover,
issue,
variant=False,
revision_lock=None):
''' process the uploaded file and generate CoverRevision '''
try:
if variant:
form = UploadVariantScanForm(request.POST, request.FILES)
else:
form = UploadScanForm(request.POST, request.FILES)
except IOError: # sometimes uploads misbehave. connection dropped ?
error_text = 'Something went wrong with the upload. ' + \
'Please <a href="' + request.path + '">try again</a>.'
return render_error(request, error_text, redirect=False, is_safe=True)
if not form.is_valid():
return _display_cover_upload_form(request,
form,
cover,
issue,
variant=variant)
# process form
if form.cleaned_data['is_gatefold']:
return handle_gatefold_cover(request, cover, issue, form)
scan = form.cleaned_data['scan']
file_source = form.cleaned_data['source']
marked = form.cleaned_data['marked']
# create OI records
changeset = Changeset(indexer=request.user,
state=states.OPEN,
change_type=CTYPES['cover'])
changeset.save()
if cover: # upload_type is 'replacement':
revision = CoverRevision(changeset=changeset,
issue=issue,
cover=cover,
file_source=file_source,
marked=marked,
is_replacement=True)
revision_lock.changeset = changeset
revision_lock.save()
revision.previous_revision = cover.revisions.get(
next_revision=None,
changeset__state=states.APPROVED,
committed=True)
else:
revision = CoverRevision(changeset=changeset,
issue=issue,
file_source=file_source,
marked=marked)
revision.save()
# if uploading a variant, generate an issue_revision for
# the variant issue and copy the values which would not change
# TODO are these reasonable assumptions below ?
if variant:
current_variants = issue.variant_set.all().order_by('-sort_code')
if current_variants:
add_after = current_variants[0]
else:
add_after = issue
issue_revision = IssueRevision(
changeset=changeset,
after=add_after,
number=issue.number,
title=issue.title,
no_title=issue.no_title,
volume=issue.volume,
no_volume=issue.no_volume,
display_volume_with_number=issue.display_volume_with_number,
variant_of=issue,
variant_name=form.cleaned_data['variant_name'],
page_count=issue.page_count,
page_count_uncertain=issue.page_count_uncertain,
series=issue.series,
editing=issue.editing,
no_editing=issue.no_editing,
reservation_requested=form.cleaned_data['reservation_requested'])
issue_revision.save()
if form.cleaned_data['variant_artwork']:
story_revision = StoryRevision(
changeset=changeset,
type=StoryType.objects.get(name='cover'),
no_script=True,
pencils='?',
inks='?',
colors='?',
no_letters=True,
no_editing=True,
sequence_number=0,
page_count=2 if form.cleaned_data['is_wraparound'] else 1,
)
story_revision.save()
# put new uploaded covers into
# media/<LOCAL_NEW_SCANS>/<monthname>_<year>/
# with name
# <revision_id>_<date>_<time>.<ext>
scan_name = str(revision.id) + os.path.splitext(scan.name)[1]
upload_dir = settings.MEDIA_ROOT + LOCAL_NEW_SCANS + \
changeset.created.strftime('%B_%Y').lower()
destination_name = os.path.join(upload_dir, scan_name)
try: # essentially only needed at beginning of the month
check_cover_dir(upload_dir)
except IOError:
changeset.delete()
error_text = "Problem with file storage for uploaded " + \
"cover, please report an error."
return render_error(request, error_text, redirect=False)
# write uploaded file
destination = open(destination_name, 'wb')
for chunk in scan.chunks():
destination.write(chunk)
destination.close()
try:
# generate different sizes we are using
im = pyImage.open(destination.name)
large_enough = False
if form.cleaned_data['is_wraparound']:
# wraparounds need to have twice the width
if im.size[0] >= 800 and im.size[1] >= 400:
large_enough = True
elif min(im.size) >= 400:
large_enough = True
if large_enough:
if form.cleaned_data['is_wraparound']:
revision.is_wraparound = True
revision.front_left = im.size[0] / 2
revision.front_right = im.size[0]
revision.front_bottom = im.size[1]
revision.front_top = 0
revision.save()
generate_sizes(revision, im)
else:
changeset.delete()
os.remove(destination.name)
info_text = "Image is too small, only " + str(im.size) + \
" in size."
return _display_cover_upload_form(request,
form,
cover,
issue,
info_text=info_text,
variant=variant)
except IOError as e:
# just in case, django *should* have taken care of file type
changeset.delete()
os.remove(destination.name)
info_text = 'Error: File \"' + scan.name + \
'" is not a valid picture.'
return _display_cover_upload_form(request,
form,
cover,
issue,
info_text=info_text,
variant=variant)
# all done, we can save the state
return finish_cover_revision(request, revision, form.cleaned_data)
def handle_uploaded_cover(request, cover, issue, variant=False,
revision_lock=None):
''' process the uploaded file and generate CoverRevision '''
try:
if variant:
form = UploadVariantScanForm(request.POST, request.FILES)
else:
form = UploadScanForm(request.POST, request.FILES)
except IOError: # sometimes uploads misbehave. connection dropped ?
error_text = 'Something went wrong with the upload. ' + \
'Please <a href="' + request.path + '">try again</a>.'
return render_error(request, error_text, redirect=False,
is_safe=True)
if not form.is_valid():
return _display_cover_upload_form(request, form, cover, issue,
variant=variant)
# process form
if form.cleaned_data['is_gatefold']:
return handle_gatefold_cover(request, cover, issue, form)
scan = form.cleaned_data['scan']
file_source = form.cleaned_data['source']
marked = form.cleaned_data['marked']
# create OI records
changeset = Changeset(indexer=request.user, state=states.OPEN,
change_type=CTYPES['cover'])
changeset.save()
if cover: # upload_type is 'replacement':
revision = CoverRevision(changeset=changeset, issue=issue,
cover=cover, file_source=file_source, marked=marked,
is_replacement = True)
revision_lock.changeset = changeset
revision_lock.save()
revision.previous_revision = cover.revisions.get(
next_revision=None,
changeset__state=states.APPROVED,
committed=True)
else:
revision = CoverRevision(changeset=changeset, issue=issue,
file_source=file_source, marked=marked)
revision.save()
# if uploading a variant, generate an issue_revision for
# the variant issue and copy the values which would not change
# TODO are these reasonable assumptions below ?
if variant:
current_variants = issue.variant_set.all().order_by('-sort_code')
if current_variants:
add_after = current_variants[0]
else:
add_after = issue
issue_revision = IssueRevision(changeset=changeset,
after=add_after,
number=issue.number,
title=issue.title,
no_title=issue.no_title,
volume=issue.volume,
no_volume=issue.no_volume,
display_volume_with_number=issue.display_volume_with_number,
variant_of=issue,
variant_name=form.cleaned_data['variant_name'],
page_count=issue.page_count,
page_count_uncertain=issue.page_count_uncertain,
series=issue.series,
editing=issue.editing,
no_editing=issue.no_editing,
reservation_requested=form.cleaned_data['reservation_requested']
)
issue_revision.save()
if form.cleaned_data['variant_artwork']:
story_revision = StoryRevision(changeset=changeset,
type=StoryType.objects.get(name='cover'),
no_script=True,
pencils='?',
inks='?',
colors='?',
no_letters=True,
no_editing=True,
sequence_number=0,
page_count=2 if form.cleaned_data['is_wraparound'] else 1,
)
story_revision.save()
# put new uploaded covers into
# media/<LOCAL_NEW_SCANS>/<monthname>_<year>/
# with name
# <revision_id>_<date>_<time>.<ext>
scan_name = str(revision.id) + os.path.splitext(scan.name)[1]
upload_dir = settings.MEDIA_ROOT + LOCAL_NEW_SCANS + \
changeset.created.strftime('%B_%Y').lower()
destination_name = os.path.join(upload_dir, scan_name)
try: # essentially only needed at beginning of the month
check_cover_dir(upload_dir)
except IOError:
changeset.delete()
error_text = "Problem with file storage for uploaded " + \
"cover, please report an error."
return render_error(request, error_text, redirect=False)
# write uploaded file
destination = open(destination_name, 'wb')
for chunk in scan.chunks():
destination.write(chunk)
destination.close()
try:
# generate different sizes we are using
im = pyImage.open(destination.name)
large_enough = False
if form.cleaned_data['is_wraparound']:
# wraparounds need to have twice the width
if im.size[0] >= 800 and im.size[1] >= 400:
large_enough = True
elif min(im.size) >= 400:
large_enough = True
if large_enough:
if form.cleaned_data['is_wraparound']:
revision.is_wraparound = True
revision.front_left = im.size[0]/2
revision.front_right = im.size[0]
revision.front_bottom = im.size[1]
revision.front_top = 0
revision.save()
generate_sizes(revision, im)
else:
changeset.delete()
os.remove(destination.name)
info_text = "Image is too small, only " + str(im.size) + \
" in size."
return _display_cover_upload_form(request, form, cover, issue,
info_text=info_text, variant=variant)
except IOError as e:
# just in case, django *should* have taken care of file type
changeset.delete()
os.remove(destination.name)
info_text = 'Error: File \"' + scan.name + \
'" is not a valid picture.'
return _display_cover_upload_form(request, form, cover, issue,
info_text=info_text, variant=variant)
# all done, we can save the state
return finish_cover_revision(request, revision, form.cleaned_data)
def process_edited_gatefold_cover(request):
''' process the edited gatefold cover and generate CoverRevision '''
if request.method != 'POST':
return render_error(
request,
'This page may only be accessed through the proper form',
redirect=False)
form = GatefoldScanForm(request.POST)
if not form.is_valid():
error_text = 'Error: Something went wrong in the file upload.'
return render_error(request, error_text, redirect=False)
cd = form.cleaned_data
tmpdir = settings.MEDIA_ROOT + LOCAL_NEW_SCANS + 'tmp'
scan_name = cd['scan_name']
tmp_name = os.path.join(tmpdir, scan_name)
if 'discard' in request.POST:
os.remove(tmp_name)
return HttpResponseRedirect(
urlresolvers.reverse('edit_covers',
kwargs={'issue_id': cd['issue_id']}))
# create OI records
changeset = Changeset(indexer=request.user,
state=states.OPEN,
change_type=CTYPES['cover'])
if cd['cover_id']:
cover = get_object_or_404(Cover, id=cd['cover_id'])
issue = cover.issue
# check if there is a pending change for the cover
revision_lock = _get_revision_lock(cover)
if not revision_lock:
return render_error(
request,
'Cannot replace %s as it is already reserved.' % cover.issue)
changeset.save()
revision_lock.changeset = changeset
revision_lock.save()
revision = CoverRevision(changeset=changeset,
issue=issue,
cover=cover,
file_source=cd['source'],
marked=cd['marked'],
is_replacement=True)
# no cover_id, therefore upload a cover to an issue (first or variant)
else:
changeset.save()
issue = get_object_or_404(Issue, id=cd['issue_id'])
cover = None
revision = CoverRevision(changeset=changeset,
issue=issue,
file_source=cd['source'],
marked=cd['marked'])
revision.save()
scan_name = str(revision.id) + os.path.splitext(tmp_name)[1]
upload_dir = settings.MEDIA_ROOT + LOCAL_NEW_SCANS + \
changeset.created.strftime('%B_%Y').lower()
destination_name = os.path.join(upload_dir, scan_name)
try: # essentially only needed at beginning of the month
check_cover_dir(upload_dir)
except IOError:
changeset.delete()
error_text = "Problem with file storage for uploaded " + \
"cover, please report an error."
return render_error(request, error_text, redirect=False)
shutil.move(tmp_name, destination_name)
im = pyImage.open(destination_name)
revision.is_wraparound = True
# convert from scaled to real values
width = cd['width']
height = cd['height']
left = cd['left']
top = cd['top']
revision.front_left = left
revision.front_right = left + width
revision.front_top = top
revision.front_bottom = top + height
revision.save()
generate_sizes(revision, im)
return finish_cover_revision(request, revision, cd)
def process_edited_gatefold_cover(request):
''' process the edited gatefold cover and generate CoverRevision '''
if request.method != 'POST':
return render_error(request,
'This page may only be accessed through the proper form',
redirect=False)
form = GatefoldScanForm(request.POST)
if not form.is_valid():
error_text = 'Error: Something went wrong in the file upload.'
return render_error(request, error_text, redirect=False)
cd = form.cleaned_data
tmpdir = settings.MEDIA_ROOT + LOCAL_NEW_SCANS + 'tmp'
scan_name = cd['scan_name']
tmp_name = os.path.join(tmpdir, scan_name)
if 'discard' in request.POST:
os.remove(tmp_name)
return HttpResponseRedirect(urlresolvers.reverse('edit_covers',
kwargs={'issue_id': cd['issue_id']} ))
# create OI records
changeset = Changeset(indexer=request.user, state=states.OPEN,
change_type=CTYPES['cover'])
if cd['cover_id']:
cover = get_object_or_404(Cover, id=cd['cover_id'])
issue = cover.issue
# check if there is a pending change for the cover
revision_lock = _get_revision_lock(cover)
if not revision_lock:
return render_error(
request,
u'Cannot replace %s as it is already reserved.' %
cover.issue)
changeset.save()
revision_lock.changeset = changeset
revision_lock.save()
revision = CoverRevision(changeset=changeset, issue=issue,
cover=cover, file_source=cd['source'], marked=cd['marked'],
is_replacement = True)
# no cover_id, therefore upload a cover to an issue (first or variant)
else:
changeset.save()
issue = get_object_or_404(Issue, id=cd['issue_id'])
cover = None
revision = CoverRevision(changeset=changeset, issue=issue,
file_source=cd['source'], marked=cd['marked'])
revision.save()
scan_name = str(revision.id) + os.path.splitext(tmp_name)[1]
upload_dir = settings.MEDIA_ROOT + LOCAL_NEW_SCANS + \
changeset.created.strftime('%B_%Y').lower()
destination_name = os.path.join(upload_dir, scan_name)
try: # essentially only needed at beginning of the month
check_cover_dir(upload_dir)
except IOError:
changeset.delete()
error_text = "Problem with file storage for uploaded " + \
"cover, please report an error."
return render_error(request, error_text, redirect=False)
shutil.move(tmp_name, destination_name)
im = pyImage.open(destination_name)
revision.is_wraparound = True
# convert from scaled to real values
width = cd['width']
height = cd['height']
left = cd['left']
top = cd['top']
revision.front_left = left
revision.front_right = left + width
revision.front_top = top
revision.front_bottom = top + height
revision.save()
generate_sizes(revision, im)
return finish_cover_revision(request, revision, cd)
