Merge pull request #399 from lixxu/master
improve url_for to support multi values and special options
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commit
286dc3c32b
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@ -11,7 +11,7 @@ from sanic.response import json
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@app.route("/")
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async def test(request):
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return json({ "hello": "world" })
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```
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```
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When the url `http://server.url/` is accessed (the base url of the server), the
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final `/` is matched by the router to the handler function, `test`, which then
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@ -145,6 +145,28 @@ Other things to keep in mind when using `url_for`:
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url = app.url_for('post_handler', post_id=5, arg_one='one', arg_two='two')
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# /posts/5?arg_one=one&arg_two=two
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```
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- Multivalue argument can be passed to `url_for`. For example:
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```python
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url = app.url_for('post_handler', post_id=5, arg_one=['one', 'two'])
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# /posts/5?arg_one=one&arg_one=two
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```
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- Also some special arguments (`_anchor`, `_external`, `_scheme`, `_method`, `_server`) passed to `url_for` will have special url building (`_method` is not support now and will be ignored). For example:
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```python
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url = app.url_for('post_handler', post_id=5, arg_one='one', _anchor='anchor')
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# /posts/5?arg_one=one#anchor
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url = app.url_for('post_handler', post_id=5, arg_one='one', _external=True)
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# //server/posts/5?arg_one=one
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# _external requires passed argument _server or SERVER_NAME in app.config or url will be same as no _external
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url = app.url_for('post_handler', post_id=5, arg_one='one', _scheme='http', _external=True)
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# http://server/posts/5?arg_one=one
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# when specifying _scheme, _external must be True
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# you can pass all special arguments one time
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url = app.url_for('post_handler', post_id=5, arg_one=['one', 'two'], arg_two=2, _anchor='anchor', _scheme='http', _external=True, _server='another_server:8888')
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# http://another_server:8888/posts/5?arg_one=one&arg_one=two&arg_two=2#anchor
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```
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- All valid parameters must be passed to `url_for` to build a URL. If a parameter is not supplied, or if a parameter does not match the specified type, a `URLBuildError` will be thrown.
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@ -275,6 +275,19 @@ class Sanic:
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matched_params = re.findall(
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self.router.parameter_pattern, uri)
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# _method is only a placeholder now, don't know how to support it
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kwargs.pop('_method', None)
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anchor = kwargs.pop('_anchor', '')
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# _external need SERVER_NAME in config or pass _server arg
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external = kwargs.pop('_external', False)
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scheme = kwargs.pop('_scheme', '')
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if scheme and not external:
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raise ValueError('When specifying _scheme, _external must be True')
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netloc = kwargs.pop('_server', None)
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if netloc is None and external:
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netloc = self.config.get('SERVER_NAME', '')
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for match in matched_params:
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name, _type, pattern = self.router.parse_parameter_string(
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match)
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@ -315,12 +328,9 @@ class Sanic:
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replacement_regex, supplied_param, out)
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# parse the remainder of the keyword arguments into a querystring
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if kwargs:
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query_string = urlencode(kwargs)
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out = urlunparse((
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'', '', out,
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'', query_string, ''
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))
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query_string = urlencode(kwargs, doseq=True) if kwargs else ''
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# scheme://netloc/path;parameters?query#fragment
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out = urlunparse((scheme, netloc, out, '', query_string, anchor))
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return out
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@ -6,7 +6,11 @@ PORT = 42101
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async def local_request(method, uri, cookies=None, *args, **kwargs):
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url = 'http://{host}:{port}{uri}'.format(host=HOST, port=PORT, uri=uri)
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if uri.startswith(('http:', 'https:', 'ftp:', 'ftps://' '//')):
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url = uri
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else:
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url = 'http://{host}:{port}{uri}'.format(host=HOST, port=PORT, uri=uri)
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log.info(url)
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async with aiohttp.ClientSession(cookies=cookies) as session:
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async with getattr(
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@ -5,11 +5,19 @@ from sanic import Sanic
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from sanic.response import text
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from sanic.views import HTTPMethodView
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from sanic.blueprints import Blueprint
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from sanic.utils import sanic_endpoint_test
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from sanic.utils import sanic_endpoint_test, PORT as test_port
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from sanic.exceptions import URLBuildError
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import string
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URL_FOR_ARGS1 = dict(arg1=['v1', 'v2'])
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URL_FOR_VALUE1 = '/myurl?arg1=v1&arg1=v2'
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URL_FOR_ARGS2 = dict(arg1=['v1', 'v2'], _anchor='anchor')
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URL_FOR_VALUE2 = '/myurl?arg1=v1&arg1=v2#anchor'
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URL_FOR_ARGS3 = dict(arg1='v1', _anchor='anchor', _scheme='http',
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_server='localhost:{}'.format(test_port), _external=True)
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URL_FOR_VALUE3 = 'http://localhost:{}/myurl?arg1=v1#anchor'.format(test_port)
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def _generate_handlers_from_names(app, l):
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for name in l:
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@ -39,6 +47,23 @@ def test_simple_url_for_getting(simple_app):
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assert response.text == letter
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@pytest.mark.parametrize('args,url',
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[(URL_FOR_ARGS1, URL_FOR_VALUE1),
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(URL_FOR_ARGS2, URL_FOR_VALUE2),
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(URL_FOR_ARGS3, URL_FOR_VALUE3)])
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def test_simple_url_for_getting_with_more_params(args, url):
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app = Sanic('more_url_build')
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@app.route('/myurl')
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def passes(request):
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return text('this should pass')
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assert url == app.url_for('passes', **args)
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request, response = sanic_endpoint_test(app, uri=url)
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assert response.status == 200
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assert response.text == 'this should pass'
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def test_fails_if_endpoint_not_found():
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app = Sanic('fail_url_build')
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@ -75,6 +100,19 @@ def test_fails_url_build_if_param_not_passed():
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assert 'Required parameter `Z` was not passed to url_for' in str(e.value)
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def test_fails_url_build_if_params_not_passed():
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app = Sanic('fail_url_build')
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@app.route('/fail')
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def fail():
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return text('this should fail')
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with pytest.raises(ValueError) as e:
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app.url_for('fail', _scheme='http')
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assert str(e.value) == 'When specifying _scheme, _external must be True'
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COMPLEX_PARAM_URL = (
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'/<foo:int>/<four_letter_string:[A-z]{4}>/'
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'<two_letter_string:[A-z]{2}>/<normal_string>/<some_number:number>')
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@ -179,11 +217,11 @@ def blueprint_app():
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return text(
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'foo from first : {}'.format(param))
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@second_print.route('/foo') # noqa
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@second_print.route('/foo') # noqa
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def foo():
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return text('foo from second')
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@second_print.route('/foo/<param>') # noqa
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@second_print.route('/foo/<param>') # noqa
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def foo_with_param(request, param):
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return text(
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'foo from second : {}'.format(param))
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