Fixed/suppressed LGTM warnings

platypush/backend/http/app/routes/resources.py

@@ -41,8 +41,11 @@ def resources_path(path):
     real_base_path = os.path.abspath(os.path.expanduser(resource_dirs[base_path]))
     real_path = real_base_path
 
-    file_path = [s for s in re.sub(r'^{}(.*)$'.format(base_path), '\\1', path)
-                 .split('/') if s]
+    file_path = [
+        s for s in re.sub(
+            r'^{}(.*)$'.format(base_path), '\\1', path   # lgtm [py/regex-injection]
+        ).split('/') if s
+    ]
 
     for p in file_path[:-1]:
         real_path += os.sep + p

platypush/backend/sensor/__init__.py

@@ -1,4 +1,3 @@
-import threading
 import time
 
 from platypush.backend import Backend
@@ -175,7 +174,7 @@ class SensorBackend(Backend):
         if plugin and hasattr(plugin, 'close'):
             plugin.close()
 
-    def process_data(self, new_data):
+    def process_data(self, *, new_data, **_):
         if new_data is not None and new_data not in ({}, []):
             self.bus.post(SensorDataChangeEvent(data=new_data, source=self.plugin or self.__class__.__name__))
 

platypush/message/event/__init__.py

@@ -65,7 +65,7 @@ class Event(Message):
     @staticmethod
     def _generate_id():
         """ Generate a unique event ID """
-        return hashlib.md5(str(uuid.uuid1()).encode()).hexdigest()
+        return hashlib.md5(str(uuid.uuid1()).encode()).hexdigest()  # lgtm [py/weak-sensitive-data-hashing]
 
     def matches_condition(self, condition):
         """

platypush/plugins/camera/__init__.py

@@ -24,7 +24,7 @@ from platypush.plugins.camera.model.writer.preview import PreviewWriter, Preview
 from platypush.utils import get_plugin_name_by_class
 
 __all__ = ['Camera', 'CameraInfo', 'CameraException', 'CameraPlugin', 'CaptureAlreadyRunningException',
-           'StreamWriter']
+           'VideoWriter', 'StreamWriter', 'PreviewWriter']
 
 
 class CameraPlugin(Plugin, ABC):
@@ -539,7 +539,10 @@ class CameraPlugin(Plugin, ABC):
     def _prepare_server_socket(camera: Camera) -> socket.socket:
         server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
         server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
-        server_socket.bind((camera.info.bind_address or '0.0.0.0', camera.info.listen_port))
+        server_socket.bind((
+            camera.info.bind_address or '0.0.0.0',  # lgtm [py/bind-socket-all-network-interfaces]
+            camera.info.listen_port
+        ))
         server_socket.listen(1)
         server_socket.settimeout(1)
         return server_socket
@@ -653,7 +656,8 @@ class CameraPlugin(Plugin, ABC):
         return {
             **camera.info.to_dict(),
             'active': True if camera.capture_thread and camera.capture_thread.is_alive() else False,
-            'capturing': True if camera.capture_thread and camera.capture_thread.is_alive() and camera.start_event.is_set() else False,
+            'capturing': True if camera.capture_thread and camera.capture_thread.is_alive() and
+            camera.start_event.is_set() else False,
             'streaming': camera.stream_thread and camera.stream_thread.is_alive() and camera.stream_event.is_set(),
         }
 

platypush/schemas/__init__.py

@@ -21,7 +21,7 @@ class StrippedString(fields.Function):   # lgtm [py/missing-call-to-init]
         return value.strip()
 
 
-class DateTime(fields.Function):
+class DateTime(fields.Function):   # lgtm [py/missing-call-to-init]
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.metadata = {
@@ -38,7 +38,7 @@ class DateTime(fields.Function):
         return normalize_datetime(value)
 
 
-class Date(fields.Function):
+class Date(fields.Function):   # lgtm [py/missing-call-to-init]
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
         self.metadata = {