[pv/bg-bm] Handle non-existing Makefile / manifest in plugin archive

[nrybowski]

binding_generator_1  | make: Entering directory '/tmp/tmpgxvek67y/zombi'
binding_generator_1  | make: Leaving directory '/tmp/tmpgxvek67y/zombi'
binding_generator_1  | make: *** No targets specified and no makefile found.  Stop.
binding_generator_1  | [2021-12-10 23:21:48,158] ERROR in app: Exception on /binding/zombi [POST]
binding_generator_1  | Traceback (most recent call last):
binding_generator_1  |   File "/usr/local/lib/python3.9/dist-packages/flask/app.py", line 2447, in wsgi_app
binding_generator_1  |     response = self.full_dispatch_request()
binding_generator_1  |   File "/usr/local/lib/python3.9/dist-packages/flask/app.py", line 1952, in full_dispatch_request
binding_generator_1  |     rv = self.handle_user_exception(e)
binding_generator_1  |   File "/usr/local/lib/python3.9/dist-packages/flask/app.py", line 1821, in handle_user_exception
binding_generator_1  |     reraise(exc_type, exc_value, tb)
binding_generator_1  |   File "/usr/local/lib/python3.9/dist-packages/flask/_compat.py", line 39, in reraise
binding_generator_1  |     raise value
binding_generator_1  |   File "/usr/local/lib/python3.9/dist-packages/flask/app.py", line 1950, in full_dispatch_request
binding_generator_1  |     rv = self.dispatch_request()
binding_generator_1  |   File "/usr/local/lib/python3.9/dist-packages/flask/app.py", line 1936, in dispatch_request
binding_generator_1  |     return self.view_functions[rule.endpoint](**req.view_args)
binding_generator_1  |   File "/pv/binding_generator/api.py", line 15, in get_binding
binding_generator_1  |     return format(generate_binding(request.data, escape(plugin_name)))
binding_generator_1  |   File "/pv/binding_generator/__init__.py", line 37, in generate_binding
binding_generator_1  |     plugins = parse_manifest(manifest_path)
binding_generator_1  |   File "/pv/binding_generator/__init__.py", line 14, in parse_manifest
binding_generator_1  |     with open(manifest_path, 'r') as fd:
binding_generator_1  | FileNotFoundError: [Errno 2] No such file or directory: Markup('/tmp/tmpgxvek67y/zombi/manifest.json')
logger_1             | [2021-12-10 23:21:48] [ERROR] <pv.binding_manager.api> Exception on /binding/zombi [POST]
binding_manager_1    | [2021-12-10 23:21:48,163] ERROR in app: Exception on /binding/zombi [POST]
binding_manager_1    | Traceback (most recent call last):
binding_manager_1    |   File "/usr/lib/python3.8/site-packages/flask/app.py", line 2447, in wsgi_app
binding_manager_1    |     response = self.full_dispatch_request()
binding_manager_1    |   File "/usr/lib/python3.8/site-packages/flask/app.py", line 1953, in full_dispatch_request
binding_manager_1    |     return self.finalize_request(rv)
binding_manager_1    |   File "/usr/lib/python3.8/site-packages/flask/app.py", line 1968, in finalize_request
binding_manager_1    |     response = self.make_response(rv)
binding_manager_1    |   File "/usr/lib/python3.8/site-packages/flask/app.py", line 2097, in make_response
binding_manager_1    |     raise TypeError(
binding_manager_1    | TypeError: The view function did not return a valid response. The function either returned None or ended without a return statement.