class MultiMapProxy(object):
def __init__(self,
loader,
list_apps=False,
app_cache_size=100,
debug=False):
self.loader = loader
self.list_apps = list_apps
self._app_init_lock = Lock()
self.apps = LRU(app_cache_size)
self.debug = debug
def __call__(self, environ, start_response):
req = Request(environ)
return self.handle(req)(environ, start_response)
def handle(self, req):
app_name = req.pop_path()
# if not app_name:
# return self.index_list(req)
if not app_name or (app_name not in self.apps
and not self.loader.app_available(app_name)):
return Response('not found', status=404)
# safe instance/app name for authorization
req.environ['mapproxy.instance_name'] = app_name
return self.proj_app(app_name)
def index_list(self, req):
"""
Return greeting response with a list of available apps (if enabled with list_apps).
"""
import mapproxy.version
html = "<html><body><h1>Welcome to MapProxy %s</h1>" % mapproxy.version.version
url = req.script_url
if self.list_apps:
html += "<h2>available instances:</h2><ul>"
html += '\n'.join(
'<li><a href="%(url)s/%(name)s/">%(name)s</a></li>' % {
'url': url,
'name': app
} for app in self.loader.available_apps())
html += '</ul>'
html += '</body></html>'
return Response(html, content_type='text/html')
def proj_app(self, proj_name):
"""
Return the (cached) project app.
"""
proj_app, timestamps = self.apps.get(proj_name, (None, None))
if proj_app:
if self.loader.needs_reload(proj_name, timestamps):
# discard cached app
proj_app = None
if not proj_app:
with self._app_init_lock:
proj_app, timestamps = self.apps.get(proj_name, (None, None))
if self.loader.needs_reload(proj_name, timestamps):
proj_app, timestamps = self.create_app(proj_name)
self.apps[proj_name] = proj_app, timestamps
else:
proj_app, timestamps = self.apps[proj_name]
return proj_app
def create_app(self, proj_name):
"""
Returns a new configured MapProxy app and a dict with the
timestamps of all configuration files.
"""
mapproxy_conf = self.loader.app_conf(proj_name)['mapproxy_conf']
log.info('initializing project app %s with %s', proj_name,
mapproxy_conf)
app = make_mapproxy_wsgi_app(mapproxy_conf, debug=self.debug)
return app, app.config_files
def test_get_default(self):
lru = LRU(10)
lru['foo1'] = 1
eq_(lru.get('foo2'), None)
eq_(lru.get('foo2', 2), 2)
class MultiMapProxy(object):
def __init__(self, loader, list_apps=False, app_cache_size=100, debug=False):
self.loader = loader
self.list_apps = list_apps
self._app_init_lock = Lock()
self.apps = LRU(app_cache_size)
self.debug = debug
def __call__(self, environ, start_response):
req = Request(environ)
return self.handle(req)(environ, start_response)
def handle(self, req):
app_name = req.pop_path()
if not app_name:
return self.index_list(req)
if not app_name or (
app_name not in self.apps and not self.loader.app_available(app_name)
):
return Response('not found', status=404)
# safe instance/app name for authorization
req.environ['mapproxy.instance_name'] = app_name
return self.proj_app(app_name)
def index_list(self, req):
"""
Return greeting response with a list of available apps (if enabled with list_apps).
"""
import mapproxy.version
html = "<html><body><h1>Welcome to MapProxy %s</h1>" % mapproxy.version.version
url = req.script_url
if self.list_apps:
html += "<h2>available instances:</h2><ul>"
html += '\n'.join('<li><a href="%(url)s/%(name)s/">%(name)s</a></li>' % {'url': url, 'name': app}
for app in self.loader.available_apps())
html += '</ul>'
html += '</body></html>'
return Response(html, content_type='text/html')
def proj_app(self, proj_name):
"""
Return the (cached) project app.
"""
proj_app, timestamps = self.apps.get(proj_name, (None, None))
if proj_app:
if self.loader.needs_reload(proj_name, timestamps):
# discard cached app
proj_app = None
if not proj_app:
with self._app_init_lock:
proj_app, timestamps = self.apps.get(proj_name, (None, None))
if self.loader.needs_reload(proj_name, timestamps):
proj_app, timestamps = self.create_app(proj_name)
self.apps[proj_name] = proj_app, timestamps
else:
proj_app, timestamps = self.apps[proj_name]
return proj_app
def create_app(self, proj_name):
"""
Returns a new configured MapProxy app and a dict with the
timestamps of all configuration files.
"""
mapproxy_conf = self.loader.app_conf(proj_name)['mapproxy_conf']
log.info('initializing project app %s with %s', proj_name, mapproxy_conf)
app = make_mapproxy_wsgi_app(mapproxy_conf, debug=self.debug)
return app, app.config_files
def test_get(self):
lru = LRU(10)
lru['foo1'] = 1
eq_(lru.get('foo1'), 1)
eq_(lru.get('foo1', 2), 1)
def test_get_default(self):
lru = LRU(10)
lru['foo1'] = 1
eq_(lru.get('foo2'), None)
eq_(lru.get('foo2', 2), 2)
def test_get(self):
lru = LRU(10)
lru['foo1'] = 1
eq_(lru.get('foo1'), 1)
eq_(lru.get('foo1', 2), 1)
def test_get_default(self):
lru = LRU(10)
lru['foo1'] = 1
assert lru.get('foo2') == None
assert lru.get('foo2', 2) == 2
def test_get(self):
lru = LRU(10)
lru['foo1'] = 1
assert lru.get('foo1') == 1
assert lru.get('foo1', 2) == 1
