def __init__(self,
service_url,
auth=None,
params=None,
serializer=None,
verify=False):
self._auth = auth
self._params = params
self._verify = verify
self._service = Service(service_url)
self._serializer = JsonSerializer() if serializer is None \
else serializer
self._endpoints = self._get() # The API endpoint should return
def __init__(self, service_url, auth=None, serializer=None, endpoints=None):
self._auth = auth
self._service = Service(service_url)
self._serializer = JsonSerializer() if serializer is None \
else serializer
# The API endpoint should return resource endpoints list.
self._endpoints = endpoints if endpoints is not None else self._get()
def __init__(self, service_url, auth=None, params=None, serializer=None, verify=False):
self._auth = auth
self._params = params
self._verify = verify
self._service = Service(service_url)
self._serializer = JsonSerializer() if serializer is None \
else serializer
self._endpoints = self._get() # The API endpoint should return
class Api(object):
"""The TastyPie client"""
def __init__(self, service_url, auth=None, serializer=None):
self._auth = auth
self._service = Service(service_url)
self._serializer = JsonSerializer() if serializer is None \
else serializer
self._endpoints = self._get() # The API endpoint should return
# resource endpoints list.
def __repr__(self):
return '<Api: %s>' % self._service.url
def __getattr__(self, attr):
"""
Some magic to enable us to dynamically resolves the endpoints names on
on the Api object.
For example :
Api('http://localhost:1337/').poney.find(name__startswith='D')
Generates an HTTP GET request on this URL :
http://localhost:1337/poney/?name__startswith=D
"""
if attr in self._endpoints:
return EndpointProxy(self, self._endpoints[attr]['list_endpoint'],
self._endpoints[attr]['schema'])
else:
raise AttributeError(attr)
def _get_url(self, resource=None, id=None, **kw):
"""Generate an URL
1. The service URL is used as the base string (eg. "/api/1/")
2. If a `resource` is given, it is appended (eg. "/api/1/country/")
2.1. If an `id` is given, it is appended (eg. "/api/1/country/2/")
3. If keyword arguments are given, construct a query string and append
it :
kw = dict(foo=42, bar='test')
=> '/api/1/resource/?foo=42&bar=test
"""
url = self._service.url
if resource is not None:
url += '%s/' % resource
if id is not None:
url += '%s/' % id
if kw:
for key, value in kw.items():
if isinstance(value, basestring):
kw[key] = value.encode('utf-8')
url += '?' + urllib.urlencode(kw)
return url
def _parse_resource(self, resource):
"""Parses a raw resource as returned by the service, replace related
resource URLs with ResourceProxy objects.
"""
url = resource['resource_uri']
del resource['resource_uri']
for attr, value in resource.items():
if self._service.is_resource_url(value):
resource[attr] = ResourceProxy(value, self._service, self)
elif isinstance(value, list):
resource[attr] = ListProxy(value, self._service, self)
type_, id_ = self._service.parse_resource_url(url)
return Resource(resource, type_, id_, url)
def _parse_resources(self, resources):
return map(self._parse_resource, resources)
def _get(self, type=None, id=None, **kw):
"""Do a HTTP GET request"""
url = self._get_url(type, id, **kw)
response = requests.get(url, auth=self._auth)
if response.status_code != 200:
raise BadHttpStatus(response)
raw_data = response.content
data = self._serializer.decode(raw_data)
return data
def __call__(self, type=None, id=None, proxy=None, **kw):
"""Get a resource by its ID or a search filter
Get an entry by its ID ::
api.entry(42)
Finds an entry by it's title ::
api.entry(title='foo!')
Find an entry by it's name, case insensitive ::
api.entry(name__iexact='FOO!')
"""
if proxy:
if proxy._resource:
return proxy._resource
type = proxy._type
id = proxy._id
elif type is None:
raise ResourceTypeMissing
if id is None:
if not kw:
raise ResourceIdMissing
response = self.find(type, **kw)
if len(response) != 1:
raise TooManyResources
return response[0]
else:
response = self._get(type, id, **kw)
resource = self._parse_resource(response)
if proxy:
proxy._resource = resource
return resource
def many(self, type, *ids, **kw):
"""Get multiple resources (of the same type) with an unique request
Returns a list of `Resource` objects.
Example:
api.entry.many(17, 41)
"""
id = 'set/' + ';'.join(map(str, ids))
response = self._get(type, id, **kw)
resources = self._parse_resources(response['objects'])
# Transform a list of Resource in a dict using resource ID as key
resources = dict([ (r.id, r) for r in resources ])
# Add not found IDs to the dict
if 'not_found' in response:
for id in response['not_found']:
resources[int(id)] = None
return resources
def find(self, type, **kw):
"""Find resources based on a search filter"""
response = self._get(type, **kw)
meta = response['meta']
resources = self._parse_resources(response['objects'])
return SearchResponse(self, type, meta, resources, kw)
class Api(object):
"""The TastyPie client"""
def __init__(self,
service_url,
auth=None,
params=None,
serializer=None,
verify=False):
self._auth = auth
self._params = params
self._verify = verify
self._service = Service(service_url)
self._serializer = JsonSerializer() if serializer is None \
else serializer
self._endpoints = self._get() # The API endpoint should return
# resource endpoints list.
def __repr__(self):
return '<Api: %s>' % self._service.url
def __getattr__(self, attr):
"""
Some magic to enable us to dynamically resolves the endpoints names on
on the Api object.
For example :
Api('http://localhost:1337/').poney.find(name__startswith='D')
Generates an HTTP GET request on this URL :
http://localhost:1337/poney/?name__startswith=D
"""
if attr in self._endpoints:
return EndpointProxy(self, self._endpoints[attr]['list_endpoint'],
self._endpoints[attr]['schema'])
else:
raise AttributeError(attr)
def _get_url(self, resource=None, id=None, **kw):
"""Generate an URL
1. The service URL is used as the base string (eg. "/api/1/")
2. If a `resource` is given, it is appended (eg. "/api/1/country/")
2.1. If an `id` is given, it is appended (eg. "/api/1/country/2/")
3. If keyword arguments are given, construct a query string and append
it :
kw = dict(foo=42, bar='test')
=> '/api/1/resource/?foo=42&bar=test
"""
url = self._service.url
if resource is not None:
url += '%s/' % resource
if id is not None:
url += '%s/' % id
if kw:
for key, value in kw.items():
if isinstance(value, basestring):
kw[key] = value.encode('utf-8')
url += '?' + urllib.urlencode(kw)
return url
def _parse_resource(self, resource):
"""Parses a raw resource as returned by the service, replace related
resource URLs with ResourceProxy objects.
"""
url = resource['resource_uri']
del resource['resource_uri']
for attr, value in resource.items():
if self._service.is_resource_url(value):
resource[attr] = ResourceProxy(value, self._service, self)
elif isinstance(value, list):
resource[attr] = ListProxy(value, self._service, self)
type_, id_ = self._service.parse_resource_url(url)
return Resource(resource, type_, id_, url)
def _parse_resources(self, resources):
return map(self._parse_resource, resources)
def _get(self, type=None, id=None, timeout=None, **kw):
"""Do a HTTP GET request"""
url = self._get_url(type, id, **kw)
if timeout:
response = requests.get(url,
auth=self._auth,
params=self._params,
verify=self._verify,
timeout=timeout)
else:
response = requests.get(url,
auth=self._auth,
params=self._params,
verify=self._verify)
if response.status_code != 200:
raise BadHttpStatus(response)
raw_data = response.content
data = self._serializer.decode(raw_data)
return data
def __call__(self, type=None, id=None, proxy=None, **kw):
"""Get a resource by its ID or a search filter
Get an entry by its ID ::
api.entry(42)
Finds an entry by it's title ::
api.entry(title='foo!')
Find an entry by it's name, case insensitive ::
api.entry(name__iexact='FOO!')
"""
if proxy:
if proxy._resource:
return proxy._resource
type = proxy._type
id = proxy._id
elif type is None:
raise ResourceTypeMissing
if id is None:
if not kw:
raise ResourceIdMissing
response = self.find(type, **kw)
if len(response) != 1:
raise TooManyResources
return response[0]
else:
response = self._get(type, id, **kw)
resource = self._parse_resource(response)
if proxy:
proxy._resource = resource
return resource
def many(self, type, *ids, **kw):
"""Get multiple resources (of the same type) with an unique request
Returns a list of `Resource` objects.
Example:
api.entry.many(17, 41)
"""
id = 'set/' + ';'.join(map(str, ids))
response = self._get(type, id, **kw)
resources = self._parse_resources(response['objects'])
# Transform a list of Resource in a dict using resource ID as key
resources = dict([(r.id, r) for r in resources])
# Add not found IDs to the dict
if 'not_found' in response:
for id in response['not_found']:
resources[int(id)] = None
return resources
def find(self, type, **kw):
"""Find resources based on a search filter"""
response = self._get(type, **kw)
meta = response['meta']
resources = self._parse_resources(response['objects'])
return SearchResponse(self, type, meta, resources, kw)
