def parse_locations(self, body, headers):
"""Parse OCCI Entity collection
:param string body[]: text to parse
:param string headers[]: headers to parse
:return: array of renderer-specific strings
:rtype: string[]
"""
locations = []
for uri in body:
if not check_url(uri, scheme=True, host=True):
raise occi.ParseError('Invalid URI in OCCI Entity collection', uri)
locations.append(uri)
return locations
def parse_locations(self, body, headers):
"""Parse OCCI Entity collection
:param string body[]: text to parse
:param string headers[]: headers to parse
:return: array of renderer-specific strings
:rtype: string[]
"""
locations = []
for uri in body:
if not check_url(uri, scheme=True, host=True):
raise occi.ParseError('Invalid URI in OCCI Entity collection',
uri)
locations.append(uri)
return locations
def parse_actions(self, body):
"""Parse OCCI Actions.
Example::
http://schemas.ogf.org/occi/infrastructure/compute/action#start http://schemas.ogf.org/occi/infrastructure/compute/action#stop http://schemas.ogf.org/occi/infrastructure/compute/action#restart http://schemas.ogf.org/occi/infrastructure/compute/action#suspend
:param string body: text to parse
:return: array of string
:rtype: string[]
"""
actions = TextRenderer.reSP.split(body)
for action in actions:
# let's require scheme and hostname in scheme URI
if not check_url(action, scheme=True, host=True):
raise occi.ParseError('URI expected as an action', action)
return actions
def parse_actions(self, body):
"""Parse OCCI Actions.
Example::
http://schemas.ogf.org/occi/infrastructure/compute/action#start http://schemas.ogf.org/occi/infrastructure/compute/action#stop http://schemas.ogf.org/occi/infrastructure/compute/action#restart http://schemas.ogf.org/occi/infrastructure/compute/action#suspend
:param string body: text to parse
:return: array of string
:rtype: string[]
"""
actions = TextRenderer.reSP.split(body)
for action in actions:
# let's require scheme and hostname in scheme URI
if not check_url(action, scheme=True, host=True):
raise occi.ParseError('URI expected as an action', action)
return actions
def parse_locations(self, body, headers):
"""Parse OCCI Entity collection
:param string body[]: text to parse
:param string headers[]: headers to parse (unused in text/plain)
:return: Array of links
:rtype: string[]
"""
locations = []
for line in body:
matched = TextRenderer.reLocation.match(line)
if not matched:
raise occi.ParseError("OCCI Location expected in OCCI Entity collection", line)
uri = matched.group(2)
if not check_url(uri, scheme=True, host=True):
raise occi.ParseError("Invalid URI in OCCI Entity collection", line)
locations.append(uri)
return locations
def parse_locations(self, body, headers):
"""Parse OCCI Entity collection
:param string body[]: text to parse
:param string headers[]: headers to parse (unused in text/plain)
:return: Array of links
:rtype: string[]
"""
locations = []
for line in body:
if not line.strip():
continue
matched = TextRenderer.reLocation.match(line)
if not matched:
raise occi.ParseError(
'OCCI Location expected in OCCI Entity collection', line)
uri = matched.group(2)
if not check_url(uri, scheme=True, host=True):
raise occi.ParseError('Invalid URI in OCCI Entity collection',
line)
locations.append(uri)
return locations
def parse_link_body(self, body):
"""Parse OCCI Link body
Example::
</storage/0>;rel="http://schemas.ogf.org/occi/infrastructure#storage";self="/link/storagelink/compute_103_disk_0";category="http://schemas.ogf.org/occi/infrastructure#storagelink http://opennebula.org/occi/infrastructure#storagelink";occi.core.id="compute_103_disk_0";occi.core.title="ttylinux";occi.core.target="/storage/0";occi.core.source="/compute/103";occi.storagelink.deviceid="/dev/hda";occi.storagelink.state="active"
:param string body: text to parse
:return: OCCI Link
:rtype: occi.Link
"""
link = occi.Link()
chunks = TextRenderer.reChunks.split(body)
if not chunks[0]:
raise occi.ParseError('Invalid format of OCCI Link, URI and "rel" expected', body)
matched = TextRenderer.reQuotedLink.match(chunks[0])
if not matched:
raise occi.ParseError('URI is not properly quoted in OCCI Link', body)
link['uri'] = matched.group(1)
if not check_url(link['uri']):
raise occi.ParseError('URL is not valid in OCCI Link', link['uri'])
# skip the first chunk (URI)
for chunk in chunks[1:]:
keyvalue = TextRenderer.reKeyValue.split(chunk, 1)
key = keyvalue[0]
value = keyvalue[1]
keymatch = TextRenderer.reKeyCheck.match(key)
if keymatch is None:
raise occi.ParseError('Invalid characters in link property', chunk)
valuematch = TextRenderer.reQuoted.match(value)
# mandatory quoting
if key in ['rel', 'self', 'category']:
if valuematch is None:
raise occi.ParseError('Link value not properly quoted or unexpected EOF', chunk)
# quoting of the other attributes optional
if valuematch is not None:
value = valuematch.group(1)
# sanity check: there should not be any quotes now
if value[0] == '"' or (len(value) >= 2 and value[-1] == '"'):
raise occi.ParseError('Unexpected quotes in OCCI Link values', chunk)
if key == 'scheme':
if not check_url(value):
raise occi.ParseError('URL is not valid in OCCI Category scheme', chunk)
link[key] = value
elif key in ['rel', 'category']:
link[key] = TextRenderer.reSP.split(value)
elif key in ['self']:
link[key] = value
else:
if 'attributes' not in link:
link['attributes'] = collections.OrderedDict()
link['attributes'][key] = value
if not link.validate():
raise occi.ParseError('Missing fields in OCCI Link', body)
return link
def parse_category_body(self, body):
"""Parse OCCI Category body
Example::
entity;scheme="http://schemas.ogf.org/occi/core#";class="kind";title="entity";location="/entity/";attributes="occi.core.id{immutable required} occi.core.title"
:param string body: text to parse
:return: OCCI Category
:rtype: occi.Category
"""
category = occi.Category()
chunks = TextRenderer.reChunks.split(body)
if not chunks[0]:
raise occi.ParseError('Invalid format of category, term expected', body)
category['term'] = chunks[0]
# skip the first chunk (category term)
for chunk in chunks[1:]:
keyvalue = TextRenderer.reKeyValue.split(chunk, 1)
if len(keyvalue) != 2:
raise occi.ParseError('Key/value pair expected in category', chunk)
key = keyvalue[0]
value = keyvalue[1]
keymatch = TextRenderer.reKeyCheck.match(key)
if keymatch is None:
raise occi.ParseError('Invalid characters in category property', chunk)
# every value quoted, only class has quoting optional
valuematch = TextRenderer.reQuoted.match(value)
if valuematch is None and key != 'class':
raise occi.ParseError('Category value not properly quoted or unexpected EOF', chunk)
if valuematch:
value = valuematch.group(1)
# sanity check: there should not be any quotes now
if value[0] == '"' or (len(value) >= 2 and value[-1] == '"'):
raise occi.ParseError('Unexpected quotes in category', chunk)
if key == 'location':
if not check_url(value):
raise occi.ParseError('URL is not valid in OCCI Category location', chunk)
category[key] = value
elif key == 'scheme':
if not check_url(value):
raise occi.ParseError('URL is not valid in OCCI Category scheme', chunk)
category[key] = value
elif key == 'attributes':
category[key] = self.parse_attribute_defs(value)
elif key == 'actions':
category[key] = self.parse_actions(value)
elif key in ['class', 'title', 'rel']:
category[key] = value
else:
raise occi.ParseError('Unknown key "%s" in category' % key, chunk)
if not category.validate():
raise occi.ParseError('Missing fields in OCCI Category', body)
return category
def parse_link_body(self, body):
"""Parse OCCI Link body
Example::
</storage/0>;rel="http://schemas.ogf.org/occi/infrastructure#storage";self="/link/storagelink/compute_103_disk_0";category="http://schemas.ogf.org/occi/infrastructure#storagelink http://opennebula.org/occi/infrastructure#storagelink";occi.core.id="compute_103_disk_0";occi.core.title="ttylinux";occi.core.target="/storage/0";occi.core.source="/compute/103";occi.storagelink.deviceid="/dev/hda";occi.storagelink.state="active"
:param string body: text to parse
:return: OCCI Link
:rtype: occi.Link
"""
link = occi.Link()
chunks = TextRenderer.reChunks.split(body)
if not chunks[0]:
raise occi.ParseError(
'Invalid format of OCCI Link, URI and "rel" expected', body)
matched = TextRenderer.reQuotedLink.match(chunks[0])
if not matched:
raise occi.ParseError('URI is not properly quoted in OCCI Link',
body)
link['uri'] = matched.group(1)
if not check_url(link['uri']):
raise occi.ParseError('URL is not valid in OCCI Link', link['uri'])
# skip the first chunk (URI)
for chunk in chunks[1:]:
keyvalue = TextRenderer.reKeyValue.split(chunk, 1)
key = keyvalue[0]
value = keyvalue[1]
keymatch = TextRenderer.reKeyCheck.match(key)
if keymatch is None:
raise occi.ParseError('Invalid characters in link property',
chunk)
valuematch = TextRenderer.reQuoted.match(value)
# mandatory quoting
if key in ['rel', 'self', 'category']:
if valuematch is None:
raise occi.ParseError(
'Link value not properly quoted or unexpected EOF',
chunk)
# quoting of the other attributes optional
if valuematch is not None:
value = valuematch.group(1)
# sanity check: there should not be any quotes now
if value[0] == '"' or (len(value) >= 2 and value[-1] == '"'):
raise occi.ParseError('Unexpected quotes in OCCI Link values',
chunk)
if key == 'scheme':
if not check_url(value):
raise occi.ParseError(
'URL is not valid in OCCI Category scheme', chunk)
link[key] = value
elif key in ['rel', 'category']:
link[key] = TextRenderer.reSP.split(value)
elif key in ['self']:
link[key] = value
else:
if 'attributes' not in link:
link['attributes'] = collections.OrderedDict()
link['attributes'][key] = value
if not link.validate():
raise occi.ParseError('Missing fields in OCCI Link', body)
return link
def parse_category_body(self, body):
"""Parse OCCI Category body
Example::
entity;scheme="http://schemas.ogf.org/occi/core#";class="kind";title="entity";location="/entity/";attributes="occi.core.id{immutable required} occi.core.title"
:param string body: text to parse
:return: OCCI Category
:rtype: occi.Category
"""
category = occi.Category()
chunks = TextRenderer.reChunks.split(body)
if not chunks[0]:
raise occi.ParseError('Invalid format of category, term expected',
body)
category['term'] = chunks[0]
# skip the first chunk (category term)
for chunk in chunks[1:]:
keyvalue = TextRenderer.reKeyValue.split(chunk, 1)
if len(keyvalue) != 2:
raise occi.ParseError('Key/value pair expected in category',
chunk)
key = keyvalue[0]
value = keyvalue[1]
keymatch = TextRenderer.reKeyCheck.match(key)
if keymatch is None:
raise occi.ParseError(
'Invalid characters in category property', chunk)
# every value quoted, only class has quoting optional
valuematch = TextRenderer.reQuoted.match(value)
if valuematch is None and key != 'class':
raise occi.ParseError(
'Category value not properly quoted or unexpected EOF',
chunk)
if valuematch:
value = valuematch.group(1)
# sanity check: there should not be any quotes now
if value[0] == '"' or (len(value) >= 2 and value[-1] == '"'):
raise occi.ParseError('Unexpected quotes in category', chunk)
if key == 'location':
if not check_url(value):
raise occi.ParseError(
'URL is not valid in OCCI Category location', chunk)
category[key] = value
elif key == 'scheme':
if not check_url(value):
raise occi.ParseError(
'URL is not valid in OCCI Category scheme', chunk)
category[key] = value
elif key == 'attributes':
category[key] = self.parse_attribute_defs(value)
elif key == 'actions':
category[key] = self.parse_actions(value)
elif key in ['class', 'title', 'rel']:
category[key] = value
else:
raise occi.ParseError('Unknown key "%s" in category' % key,
chunk)
if not category.validate():
raise occi.ParseError('Missing fields in OCCI Category', body)
return category
