def handle_request():
server = os.environ["SERVER_NAME"].split(":")[0]
path = os.environ["REQUEST_URI"]
# Acquire lockfile
lock = '/tmp/%s' % sha_constructor(path).hexdigest()
if os.path.isfile(lock):
doRedirect(path)
return
with lock_file(lock):
if DEBUG:
import cgitb
cgitb.enable()
try:
url_parts = process_url(path, server)
except Http404, e:
do404(e.message, DEBUG)
return
new_file = Transmogrify(url_parts['original_file'], url_parts['actions'])
new_file.save()
doRedirect(path)
def testBorder(self):
transmog = Transmogrify(self.square_img, [('b', '3-f00'),])
transmog.save()
transmog = Transmogrify(self.vert_img, [('b', '3-f00'),])
transmog.save()
transmog = Transmogrify(self.horiz_img, [('b', '3-f00'),])
transmog.save()
def testLetterbox(self):
transmog = Transmogrify(self.square_img, [('l', '300x300-888'),])
transmog.save()
transmog = Transmogrify(self.vert_img, [('l', '300x300-888'),])
transmog.save()
transmog = Transmogrify(self.horiz_img, [('l', '300x300-888'),])
transmog.save()
def transmogrify_serve(request, path, document_root=None, show_indexes=False):
if HEXDIGEST_RE.match(request.META['QUERY_STRING']):
try:
request_uri = "%s?%s" % (path, request.META['QUERY_STRING'])
server = request.META["SERVER_NAME"].split(":")[0]
url_parts = utils.process_url(request_uri, server, document_root)
if not os.path.exists(url_parts['requested_file']):
new_file = Transmogrify(url_parts['original_file'], url_parts['actions'])
new_file.save()
except utils.Http404, e:
raise Http404(e)
def app(environ, start_response):
from settings import DEBUG
cropname = None
server = environ['SERVER_NAME']
quality = 80
request_uri = get_path(environ)
path_and_query = request_uri.lstrip('/')
if path_and_query is "":
return do_404(environ, start_response, "Not Found", DEBUG)
if environ.get('REQUEST_METHOD', 'GET') == 'PURGE':
return handle_purge(environ, start_response)
# Acquire lockfile
lock = '/tmp/%s' % sha1(path_and_query).hexdigest()
if os.path.isfile(lock):
return do_redirect(environ, start_response, request_uri)
with lock_file(lock):
try:
url_parts = process_url(path_and_query, server)
output_path, _ = os.path.split(url_parts['requested_file'])
makedirs(output_path)
if not os.path.exists(url_parts['original_file']):
raise Http404
if not os.path.isfile(url_parts['original_file']):
raise Http404
except Http404 as e:
return do_404(environ, start_response, e.message, DEBUG)
new_file = Transmogrify(
url_parts['original_file'],
url_parts['actions'],
quality=quality,
output_path=output_path
)
new_file.cropname = cropname
new_file.save()
if cropname:
# Rewrite the request_uri to use the new file with the
# cropname
urlbits = list(urlparse.urlsplit(request_uri))
output_filename = new_file.get_processed_filename()
filename = os.path.basename(output_filename)
requested_dir = os.path.dirname(urlbits[2])
urlbits[2] = os.path.join(requested_dir, filename)
request_uri = urlparse.urlunsplit(urlbits)
return do_redirect(environ, start_response, request_uri)
def test_thumbnail(self):
expected_square = (300, 300)
expected_vert = (168, 300)
expected_horiz = (300, 208)
expected_animated = (300, 214)
transmog = Transmogrify(self.square_img, [("r", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.vert_img, [("r", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_vert, img.size)
transmog = Transmogrify(self.horiz_img, [("r", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_horiz, img.size)
transmog = Transmogrify(self.animated, [("r", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_animated, img.size)
def test_border(self):
transmog = Transmogrify(self.square_img, [("b", "3-f00")])
transmog.save()
transmog = Transmogrify(self.vert_img, [("b", "3-f00")])
transmog.save()
transmog = Transmogrify(self.horiz_img, [("b", "3-f00")])
transmog.save()
transmog = Transmogrify(self.animated, [("b", "3-f00")])
transmog.save()
def test_letterbox(self):
transmog = Transmogrify(self.square_img, [("l", "300x300-888")])
transmog.save()
transmog = Transmogrify(self.vert_img, [("l", "300x300-888")])
transmog.save()
transmog = Transmogrify(self.horiz_img, [("l", "300x300-888")])
transmog.save()
transmog = Transmogrify(self.animated, [("l", "300x300-888")])
transmog.save()
def test_cropname(self):
transmog = Transmogrify(self.horiz_img, [("c", "0-510-300-810")])
transmog.cropname = "cropped"
self.assertEqual(transmog.get_processed_filename(), self.cropname_img)
def test_crop_bbox(self):
expected_square = (300, 300)
transmog = Transmogrify(self.square_img, [("c", "100-100-400-400")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.vert_img, [("c", "0-100-300-400")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.horiz_img, [("c", "0-410-300-710")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
# 810 is larger than the image, PIL adds black to the extra space.
# who knows if this is desirable but at least it doesn't raise
# an exception.
transmog = Transmogrify(self.horiz_img, [("c", "0-510-300-810")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.animated, [("c", "0-410-300-710")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
def test_crop(self):
expected_square = (300, 300)
transmog = Transmogrify(self.square_img, [("c", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.vert_img, [("c", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.horiz_img, [("c", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.animated, [("c", "300x300")])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
print "Location: %s" % os.environ["REQUEST_URI"]
print
return
open(lock, 'w')
if DEBUG:
import cgitb
cgitb.enable()
try:
server = os.environ["SERVER_NAME"].split(":")[0]
url_parts = process_url(os.environ['REQUEST_URI'], server)
except Http404, e:
do404(e.message, DEBUG)
new_file = Transmogrify(url_parts['original_file'], url_parts['actions'])
new_file.save()
print "Location: /%s" % os.environ['REQUEST_URI']
print
# Remove lockfile
os.remove(lock)
def do404(why, debug):
if debug:
message = "<h2>%s</h2>" % why
else:
message = "File not found"
print "Status: 404"
print "Content-type: text/html"
import sys
from settings import DEBUG
from utils import process_url, Http404
from transmogrify import Transmogrify
def handle_request():
if DEBUG:
import cgitb
cgitb.enable()
try:
server = os.environ["SERVER_NAME"].split(":")[0]
url_parts = process_url(os.environ['REQUEST_URI'], server)
except Http404, e:
do404(e.message, DEBUG)
new_file = Transmogrify(url_parts['original_file'], url_parts['actions'])
new_file.save()
print "Location: /%s" % os.environ['REQUEST_URI']
print
def do404(why, debug):
if debug:
message = "<h2>%s</h2>" % why
else:
message = "File not found"
print "Status: 404"
print "Content-type: text/html"
print
print ERROR_404 % message
def testCrop(self):
expected_square = (300,300)
transmog = Transmogrify(self.square_img, [('c', '300x300'),])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.vert_img, [('c', '300x300'),])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.horiz_img, [('c', '300x300'),])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
def testResize(self):
expected_square = (300,300)
expected_vert = (168,300)
expected_horiz = (300,208)
transmog = Transmogrify(self.square_img, [('r', '300x300'),])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_square, img.size)
transmog = Transmogrify(self.vert_img, [('r', '300x300'),])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_vert, img.size)
transmog = Transmogrify(self.horiz_img, [('r', '300x300'),])
transmog.save()
img = Image.open(transmog.get_processed_filename())
self.assertEqual(expected_horiz, img.size)
def testCrapname(self):
transmog = Transmogrify(self.horiz_img, [('c', '0-510-300-810'),])
transmog.cropname = "cropped"
self.assertEqual(transmog.get_processed_filename(),
self.cropname_img)
def app(environ, start_response):
cropname = None
server = environ['SERVER_NAME']
quality = 80
if "path=" in environ.get("QUERY_STRING", ""):
# I should probably require a POST for this, but meh, let's not
# rock the boat.
# transmogrify is being used directly and not as a 404 handler
query_dict = urlparse.parse_qs(environ['QUERY_STRING'])
path = query_dict.get("path", [""])[0]
key = query_dict.get("key", [""])[0]
# validate the query params
if not (path and key):
# The required parameters were not given
start_response("400 Bad Response",
[("Content-Type", "text/plain")])
return ["path and key are required query parameters"]
cropname = query_dict.get("cropname", [None])[0]
quality = 100
# rewrite the environ to look like a 404 handler
environ['REQUEST_URI'] = path + "?" + key
request_uri = environ['REQUEST_URI']
path_and_query = request_uri.lstrip("/")
requested_path = urlparse.urlparse(path_and_query).path
if path_and_query is "":
return do404(environ, start_response, "Not Found", DEBUG)
# Acquire lockfile
lock = '/tmp/%s' % sha_constructor(path_and_query).hexdigest()
if os.path.isfile(lock):
return doRedirect(environ, start_response, request_uri)
with lock_file(lock):
if FALLBACK_SERVERS:
result = do_fallback(FALLBACK_SERVERS, BASE_PATH, requested_path)
if result == (False, "bad path"):
start_response("403 Forbidden", [])
return []
try:
url_parts = process_url(path_and_query, server)
except Http404, e:
return do404(environ, start_response, e.message, DEBUG)
new_file = Transmogrify(
url_parts['original_file'],
url_parts['actions'],
quality=quality
)
new_file.cropname = cropname
new_file.save()
if cropname:
# Rewrite the request_uri to use the new file with the
# cropname
urlbits = list(urlparse.urlsplit(request_uri))
output_filename = new_file.get_processed_filename()
filename = os.path.basename(output_filename)
requested_dir = os.path.dirname(urlbits[2])
urlbits[2] = os.path.join(requested_dir, filename)
request_uri = urlparse.urlunsplit(urlbits)
return doRedirect(environ, start_response, request_uri)
import os
from transmogrify import Transmogrify
square_img = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'testdata', 'square_img.jpg'))
vert_img = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'testdata', 'vert_img.jpg'))
horiz_img = os.path.abspath(
os.path.join(os.path.dirname(__file__), 'testdata', 'horiz_img.jpg'))
####
#### AutoCrop
####
Transmogrify(square_img, [
('a', '100x100'),
]).save()
Transmogrify(vert_img, [
('a', '100x100'),
]).save()
Transmogrify(horiz_img, [
('a', '100x100'),
]).save()
####
#### Thumbnail
####
Transmogrify(square_img, [
('t', '200'),
]).save()
Transmogrify(vert_img, [
('t', '200'),
