open_api: support requests with "something" in the request path

For zope, a request to /erp5/person_module/person1 or
/erp5/organisation_module/person_module/person1 can both be resolved
and are (more or less) equivalent. This change brings support for
similar request paths for Open API Connectors.

bt5/erp5_open_api/DocumentTemplateItem/portal_components/document.erp5.OpenAPIService.py

@@ -188,10 +188,12 @@ class OpenAPIService(XMLObject):
       unquote(part) for part in request['URL']
       [1 + len(request.physicalPathToURL(root.getPhysicalPath())):].split('/')
     ]
-    # then strip everything corresponding to the "self" open api service
+    # then strip everything corresponding to the "self" open api service.
+    # Here, unlike getPhysicalPath(), we don't use the inner acquistion,
+    # but keep the acquisition chain from this request traversal.
     i = 0
-    for self_relative_url_part in self.getRelativeUrl().split('/'):
-      if self_relative_url_part == request_path_parts[i]:
+    for aq_parent in reversed(self.aq_chain[:self.aq_chain.index(root)]):
+      if aq_parent.id == request_path_parts[i]:
         i += 1
       else:
         break

bt5/erp5_open_api/TestTemplateItem/portal_components/test.erp5.testOpenAPIService.py

@@ -1076,7 +1076,7 @@ class TestOpenAPIErrorHandling(OpenAPIPetStoreTestCase):
 class TestRestrictedAPI(OpenAPIPetStoreTestCase):
   _public_api = False
   def test_unauthorized(self):
-    # the connector can not be traversed by anonymous user because the API
+    # the connector can not be traversed by anonymous user because the connector
     # is not public in this test.
     self.addPythonScript(
       'TestPetStoreOpenAPI_findPetsByStatus', 'status',
@@ -1222,3 +1222,23 @@ class TestURLPathWithWebSiteAndVirtualHost(OpenAPIPetStoreTestCase):
         self.connector.getPath()
        ))
     self.assertEqual(response.getBody(), b'"ok"')
+
+  def test_acquisition_path(self):
+    response = self.publish(
+       '/{}/person_module/{}/pet/789'.format(
+        self.portal.getId(),
+        self.connector.getRelativeUrl(),
+    ))
+    self.assertEqual(response.getBody(), b'"ok"')
+    response = self.publish(
+       '/VirtualHostBase/https/example.com:443/{}/VirtualHostRoot/person_module/{}/pet/789'.format(
+        self.portal.getId(),
+        self.connector.getRelativeUrl(),
+    ))
+    self.assertEqual(response.getBody(), b'"ok"')
+    response = self.publish(
+       '/VirtualHostBase/https/example.com:443/{}/VirtualHostRoot/_vh_vh1/_vh_vh2/person_module/{}/pet/789'.format(
+        self.portal.getId(),
+        self.connector.getRelativeUrl()
+    ))
+    self.assertEqual(response.getBody(), b'"ok"')