chore(functions/v2): Update sample signatures using functions framework (#8884)

* Update multipart sample signature using functions framework

* Update rest of functions to FF

* Update functions/http/main.py

Co-authored-by: Ace Nassri <anassri@google.com>

* Fix lint

* Fix lint, take 2

Co-authored-by: Ace Nassri <anassri@google.com>

Author: 2 people

functions/http/main.py

@@ -21,6 +21,17 @@
 import tempfile
 # [END functions_http_form_data]
 
+# [START functions_http_cors]
+# [START functions_http_cors_auth]
+# [START functions_http_xml]
+# [START functions_http_form_data]
+import functions_framework
+
+# [END functions_http_form_data]
+# [END functions_http_xml]
+# [END functions_http_cors_auth]
+# [END functions_http_cors]
+
 # [START functions_http_form_data]
 from werkzeug.utils import secure_filename
 # [END functions_http_form_data]
@@ -31,7 +42,7 @@
 
 
 # [START functions_http_xml]
-
+@functions_framework.http
 def parse_xml(request):
     """ Parses a document of type 'text/xml'
     Args:
@@ -56,6 +67,7 @@ def get_file_path(filename):
     return os.path.join(tempfile.gettempdir(), file_name)
 
 
+@functions_framework.http
 def parse_multipart(request):
     """ Parses a 'multipart/form-data' upload request
     Args:
@@ -92,6 +104,7 @@ def parse_multipart(request):
 
 
 # [START functions_http_cors]
+@functions_framework.http
 def cors_enabled_function(request):
     # For more information about CORS and CORS preflight requests, see:
     # https://developer.mozilla.org/en-US/docs/Glossary/Preflight_request
@@ -119,6 +132,7 @@ def cors_enabled_function(request):
 
 
 # [START functions_http_cors_auth]
+@functions_framework.http
 def cors_enabled_function_auth(request):
     # For more information about CORS and CORS preflight requests, see
     # https://developer.mozilla.org/en-US/docs/Glossary/Preflight_request

functions/http/requirements.txt

@@ -1,3 +1,4 @@
+functions-framework==3.3.0
 google-cloud-storage==2.0.0; python_version < '3.7'
 google-cloud-storage==2.1.0; python_version > '3.6'
 xmltodict==0.13.0