def iter_encode(self, boundary, blocksize=4096):
"""Yields the encoding of this parameter
If self.fileobj is set, then blocks of ``blocksize`` bytes are read and
yielded."""
total = self.get_size(boundary)
current = 0
if self.value is not None:
block = self.encode(boundary)
current += len(block)
yield block
if self.cb:
self.cb(self, current, total)
else:
block = to_bytes(self.encode_hdr(boundary))
current += len(block)
yield block
if self.cb:
self.cb(self, current, total)
last_block = to_bytearray("")
encoded_boundary = "--%s" % encode_and_quote(boundary)
boundary_exp = re.compile(
to_bytes("^%s$" % re.escape(encoded_boundary)), re.M)
while True:
block = self.fileobj.read(blocksize)
if not block:
current += 2
yield to_bytes("\r\n")
if self.cb:
self.cb(self, current, total)
break
last_block += block
if boundary_exp.search(last_block):
raise ValueError("boundary found in file data")
last_block = last_block[-len(to_bytes(encoded_boundary)) - 2:]
current += len(block)
yield block
if self.cb:
self.cb(self, current, total)
def iter_encode(self, boundary, blocksize=4096):
"""Yields the encoding of this parameter
If self.fileobj is set, then blocks of ``blocksize`` bytes are read and
yielded."""
total = self.get_size(boundary)
current = 0
if self.value is not None:
block = self.encode(boundary)
current += len(block)
yield block
if self.cb:
self.cb(self, current, total)
else:
block = to_bytes(self.encode_hdr(boundary))
current += len(block)
yield block
if self.cb:
self.cb(self, current, total)
last_block = to_bytearray("")
encoded_boundary = "--%s" % encode_and_quote(boundary)
boundary_exp = re.compile(to_bytes("^%s$" % re.escape(encoded_boundary)),
re.M)
while True:
block = self.fileobj.read(blocksize)
if not block:
current += 2
yield to_bytes("\r\n")
if self.cb:
self.cb(self, current, total)
break
last_block += block
if boundary_exp.search(last_block):
raise ValueError("boundary found in file data")
last_block = last_block[-len(to_bytes(encoded_boundary))-2:]
current += len(block)
yield block
if self.cb:
self.cb(self, current, total)
def __crc(source):
return str((zlib.crc32(to_bytearray(source)) & 0xffffffff) % 5 + 1)
def cloudinary_url(source, **options):
original_source = source
type = options.pop("type", "upload")
if type == 'fetch':
options["fetch_format"] = options.get("fetch_format", options.pop("format", None))
transformation, options = generate_transformation_string(**options)
resource_type = options.pop("resource_type", "image")
version = options.pop("version", None)
format = options.pop("format", None)
cdn_subdomain = options.pop("cdn_subdomain", cloudinary.config().cdn_subdomain)
cname = options.pop("cname", cloudinary.config().cname)
shorten = options.pop("shorten", cloudinary.config().shorten)
cloud_name = options.pop("cloud_name", cloudinary.config().cloud_name or None)
if cloud_name == None:
raise ValueError("Must supply cloud_name in tag or in configuration")
secure = options.pop("secure", cloudinary.config().secure)
private_cdn = options.pop("private_cdn", cloudinary.config().private_cdn)
secure_distribution = options.pop("secure_distribution", cloudinary.config().secure_distribution)
sign_url = options.pop("sign_url", cloudinary.config().sign_url)
api_secret = options.pop("api_secret", cloudinary.config().api_secret)
if (not source) or ((type == "upload" or type=="asset") and re.match(r'^https?:', source)):
return (original_source, options)
if re.match(r'^https?:', source):
source = smart_escape(source)
else:
source = unquote(source)
if not PY3: source = source.decode('utf8')
source = smart_escape(source)
if format:
source = source + "." + format
if cloud_name.startswith("/"):
prefix = "/res" + cloud_name
else:
shared_domain = not private_cdn
if secure:
if not secure_distribution or secure_distribution == cloudinary.OLD_AKAMAI_SHARED_CDN:
secure_distribution = cloud_name + "-res.cloudinary.com" if private_cdn else cloudinary.SHARED_CDN
shared_domain = shared_domain or secure_distribution == cloudinary.SHARED_CDN
prefix = "https://" + secure_distribution
else:
subdomain = "a" + str((zlib.crc32(to_bytearray(source)) & 0xffffffff)%5 + 1) + "." if cdn_subdomain else ""
if cname:
host = cname
elif private_cdn:
host = cloud_name + "-res.cloudinary.com"
else:
host = "res.cloudinary.com"
prefix = "http://" + subdomain + host
if shared_domain:
prefix += "/" + cloud_name
if shorten and resource_type == "image" and type == "upload":
resource_type = "iu"
type = ""
if source.find("/") >= 0 and not re.match(r'^https?:/', source) and not re.match(r'^v[0-9]+', source) and not version:
version = "1"
rest = "/".join(filter(lambda x: x, [transformation, "v" + str(version) if version else "", source]))
if sign_url:
signature = to_string(base64.urlsafe_b64encode( hashlib.sha1(to_bytes(rest + api_secret)).digest() )[0:8])
rest = "s--%(signature)s--/%(rest)s" % {"signature": signature, "rest": rest}
components = [prefix, resource_type, type, rest]
source = re.sub(r'([^:])/+', r'\1/', "/".join(components))
return (source, options)
def __crc(source):
return str((zlib.crc32(to_bytearray(source)) & 0xffffffff)%5 + 1)
def cloudinary_url(source, **options):
original_source = source
type = options.pop("type", "upload")
if type == 'fetch':
options["fetch_format"] = options.get("fetch_format", options.pop("format", None))
transformation, options = generate_transformation_string(**options)
resource_type = options.pop("resource_type", "image")
version = options.pop("version", None)
format = options.pop("format", None)
cdn_subdomain = options.pop("cdn_subdomain", cloudinary.config().cdn_subdomain)
cname = options.pop("cname", cloudinary.config().cname)
shorten = options.pop("shorten", cloudinary.config().shorten)
cloud_name = options.pop("cloud_name", cloudinary.config().cloud_name or None)
if cloud_name == None:
raise ValueError("Must supply cloud_name in tag or in configuration")
secure = options.pop("secure", cloudinary.config().secure)
private_cdn = options.pop("private_cdn", cloudinary.config().private_cdn)
secure_distribution = options.pop("secure_distribution", cloudinary.config().secure_distribution)
sign_url = options.pop("sign_url", cloudinary.config().sign_url)
api_secret = options.pop("api_secret", cloudinary.config().api_secret)
if (not source) or ((type == "upload" or type=="asset") and re.match(r'^https?:', source)):
return (original_source, options)
if re.match(r'^https?:', source):
source = smart_escape(source)
else:
source = unquote(source)
if not PY3: source = source.decode('utf8')
source = smart_escape(source)
if format:
source = source + "." + format
if cloud_name.startswith("/"):
prefix = "/res" + cloud_name
else:
shared_domain = not private_cdn
if secure:
if not secure_distribution or secure_distribution == cloudinary.OLD_AKAMAI_SHARED_CDN:
secure_distribution = cloud_name + "-res.cloudinary.com" if private_cdn else cloudinary.SHARED_CDN
shared_domain = shared_domain or secure_distribution == cloudinary.SHARED_CDN
prefix = "https://" + secure_distribution
else:
subdomain = "a" + str((zlib.crc32(to_bytearray(source)) & 0xffffffff)%5 + 1) + "." if cdn_subdomain else ""
if cname:
host = cname
elif private_cdn:
host = cloud_name + "-res.cloudinary.com"
else:
host = "res.cloudinary.com"
prefix = "http://" + subdomain + host
if shared_domain:
prefix += "/" + cloud_name
if shorten and resource_type == "image" and type == "upload":
resource_type = "iu"
type = ""
if source.find("/") >= 0 and not re.match(r'^https?:/', source) and not re.match(r'^v[0-9]+', source) and not version:
version = "1"
rest = "/".join(filter(lambda x: x, [transformation, "v" + str(version) if version else "", source]))
if sign_url:
signature = to_string(base64.urlsafe_b64encode( hashlib.sha1(to_bytes(rest + api_secret)).digest() )[0:8])
rest = "s--%(signature)s--/%(rest)s" % {"signature": signature, "rest": rest}
components = [prefix, resource_type, type, rest]
source = re.sub(r'([^:])/+', r'\1/', "/".join(components))
return (source, options)