def _redirect_with_params(url_name, *args, **kwargs):
"""Helper method to create a redirect response with URL params.
This builds a redirect string that converts kwargs into a
query string.
Args:
url_name: The name of the url to redirect to.
kwargs: the query string param and their values to build.
Returns:
A properly formatted redirect string.
"""
url = urlresolvers.reverse(url_name, args=args)
params = parse.urlencode(kwargs, True)
return "{0}?{1}".format(url, params)
python类urlencode()的实例源码
def _build_query(self, params):
"""Builds a query string.
Args:
params: dict, the query parameters
Returns:
The query parameters properly encoded into an HTTP URI query string.
"""
if self.alt_param is not None:
params.update({'alt': self.alt_param})
astuples = []
for key, value in six.iteritems(params):
if type(value) == type([]):
for x in value:
x = x.encode('utf-8')
astuples.append((key, x))
else:
if isinstance(value, six.text_type) and callable(value.encode):
value = value.encode('utf-8')
astuples.append((key, value))
return '?' + urlencode(astuples)
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def _data_for_exchange(self, code=None, username=None, password=None, scope=None, user_id=None):
client_params = {
"client_id": self.api.client_id,
"client_secret": self.api.client_secret,
"redirect_uri": self.api.redirect_uri,
"grant_type": "authorization_code"
}
if code:
client_params.update(code=code)
elif username and password:
client_params.update(username=username,
password=password,
grant_type="password")
if scope:
client_params.update(scope=' '.join(scope))
elif user_id:
client_params.update(user_id=user_id)
return urlencode(client_params)
def get_instance(self, type, id, search_opts=None, session_id=None):
if session_id:
headers = {'X-Configuration-Session': session_id}
else:
headers = {}
if search_opts is None:
search_opts = {}
query_params = {}
for key, val in search_opts.items():
if val:
query_params[key] = val
query_string = ""
if query_params:
params = sorted(query_params.items(), key=lambda x: x[0])
query_string = "?%s" % parse.urlencode(params)
url = ("/protectables/{protectable_type}/instances/"
"{protectable_id}{query_string}").format(
protectable_type=type, protectable_id=id,
query_string=query_string)
return self._get(url, response_key="instance", headers=headers)
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(404, msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(404, msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def _generate_uri(hotp, type_name, account_name, issuer, extra_parameters):
parameters = [
("digits", hotp._length),
("secret", base64.b32encode(hotp._key)),
("algorithm", hotp._algorithm.name.upper()),
]
if issuer is not None:
parameters.append(("issuer", issuer))
parameters.extend(extra_parameters)
uriparts = {
"type": type_name,
"label": ("%s:%s" % (quote(issuer), quote(account_name)) if issuer
else quote(account_name)),
"parameters": urlencode(parameters),
}
return "otpauth://{type}/{label}?{parameters}".format(**uriparts)
def _build_query(self, params):
"""Builds a query string.
Args:
params: dict, the query parameters
Returns:
The query parameters properly encoded into an HTTP URI query string.
"""
if self.alt_param is not None:
params.update({'alt': self.alt_param})
astuples = []
for key, value in six.iteritems(params):
if type(value) == type([]):
for x in value:
x = x.encode('utf-8')
astuples.append((key, x))
else:
if isinstance(value, six.text_type) and callable(value.encode):
value = value.encode('utf-8')
astuples.append((key, value))
return '?' + urlencode(astuples)
def get_histories(self,usage,search_opts=None):
if search_opts is None:
search_opts = {}
qparams = {}
for opt, val in six.iteritems(search_opts):
if val:
qparams[opt] = val
# Transform the dict to a sequence of two-element tuples in fixed
# order, then the encoded string will be consistent in Python 2&3.
if qparams:
items = list(qparams.items())
new_qparams = sorted(items, key=lambda x: x[0])
query_string = "?%s" % parse.urlencode(new_qparams)
else:
query_string = ""
return self._get_histories("/usages/%s/histories%s" % (usage ,query_string), "histories")
def list(self,search_opts=None):
if search_opts is None:
search_opts = {}
qparams = {}
for opt, val in six.iteritems(search_opts):
if val:
qparams[opt] = val
# Transform the dict to a sequence of two-element tuples in fixed
# order, then the encoded string will be consistent in Python 2&3.
if qparams:
items = list(qparams.items())
new_qparams = sorted(items, key=lambda x: x[0])
query_string = "?%s" % parse.urlencode(new_qparams)
else:
query_string = ""
return self._list("/usages%s" % (query_string), "usages")
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(404, msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def list(self, **kwargs):
"""Get a list of software configs.
:rtype: list of :class:`SoftwareConfig`
"""
qparams = {}
for opt, val in six.iteritems(kwargs):
if val:
qparams[opt] = val
# Transform the dict to a sequence of two-element tuples in fixed
# order, then the encoded string will be consistent in Python 2&3.
if qparams:
new_qparams = sorted(qparams.items(), key=lambda x: x[0])
query_string = "?%s" % parse.urlencode(new_qparams)
else:
query_string = ""
url = '/software_configs%s' % query_string
return self._list(url, "software_configs")
def get(self, stack_id, resource_name, with_attr=None):
"""Get the details for a specific resource.
:param stack_id: ID of stack containing the resource
:param resource_name: ID of resource to get the details for
:param with_attr: Attributes to show
"""
stack_id = self._resolve_stack_id(stack_id)
url_str = '/stacks/%s/resources/%s' % (
parse.quote(stack_id, ''),
parse.quote(encodeutils.safe_encode(resource_name), ''))
if with_attr:
params = {'with_attr': with_attr}
url_str += '?%s' % parse.urlencode(params, True)
resp = self.client.get(url_str)
body = utils.get_response_body(resp)
return Resource(self, body.get('resource'))
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(404, msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def list(self, detailed=True, is_public=True):
"""
Get a list of all flavors.
:rtype: list of :class:`Flavor`.
"""
qparams = {}
# is_public is ternary - None means give all flavors.
# By default Nova assumes True and gives admins public flavors
# and flavors from their own projects only.
if not is_public:
qparams['is_public'] = is_public
query_string = "?%s" % parse.urlencode(qparams) if qparams else ""
detail = ""
if detailed:
detail = "/detail"
return self._list("/flavors%s%s" % (detail, query_string), "flavors")
def do_request(self, method, action, body=None, headers=None, params=None):
action = self.action_prefix + action
if type(params) is dict and params:
params = utils.safe_encode_dict(params)
action += '?' + urlparse.urlencode(params, doseq=1)
if body:
body = self.serialize(body)
resp, replybody = self.httpclient.do_request(
action, method, body=body,
content_type=self.content_type())
status_code = resp.status_code
if status_code in (requests.codes.ok,
requests.codes.created,
requests.codes.accepted,
requests.codes.no_content):
return self.deserialize(replybody, status_code)
else:
if not replybody:
replybody = resp.reason
self._handle_fault_response(status_code, replybody)
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = "No %s matching %s." % (self.resource_class.__name__, kwargs)
raise exceptions.NotFound(404, msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
def find(self, base_url=None, **kwargs):
"""Find a single item with attributes matching ``**kwargs``.
:param base_url: if provided, the generated URL will be appended to it
"""
kwargs = self._filter_kwargs(kwargs)
rl = self._list(
'%(base_url)s%(query)s' % {
'base_url': self.build_url(base_url=base_url, **kwargs),
'query': '?%s' % parse.urlencode(kwargs) if kwargs else '',
},
self.collection_key)
num = len(rl)
if num == 0:
msg = _("No %(name)s matching %(args)s.") % {
'name': self.resource_class.__name__,
'args': kwargs
}
raise exceptions.NotFound(404, msg)
elif num > 1:
raise exceptions.NoUniqueMatch
else:
return rl[0]
