Fix flake8 warnings

Author: MDUYN

investing_algorithm_framework/app/algorithm.py

@@ -144,7 +144,8 @@ def start(self, number_of_iterations: int = None):
         app.
 
         Args:
-            number_of_iterations (int): (Optional) The number of iterations to run the algorithm
+            number_of_iterations (int): (Optional) The number of
+              iterations to run the algorithm
 
         Returns:
             None

investing_algorithm_framework/app/app.py

@@ -96,7 +96,7 @@ def initialize_config(self):
 
         # Check if the resource directory is set
         if RESOURCE_DIRECTORY not in config \
-            or config[RESOURCE_DIRECTORY] is None:
+                or config[RESOURCE_DIRECTORY] is None:
             logger.info(
                 "Resource directory not set, setting" +
                 " to current working directory"
@@ -115,7 +115,7 @@ def initialize_config(self):
         config = configuration_service.get_config()
 
         if DATABASE_DIRECTORY_PATH not in config \
-            or config[DATABASE_DIRECTORY_PATH] is None:
+                or config[DATABASE_DIRECTORY_PATH] is None:
             resource_dir = config[RESOURCE_DIRECTORY]
             configuration_service.add_value(
                 DATABASE_DIRECTORY_PATH,
@@ -125,7 +125,7 @@ def initialize_config(self):
         config = configuration_service.get_config()
 
         if SQLALCHEMY_DATABASE_URI not in config \
-            or config[SQLALCHEMY_DATABASE_URI] is None:
+                or config[SQLALCHEMY_DATABASE_URI] is None:
             path = "sqlite:///" + os.path.join(
                 configuration_service.config[DATABASE_DIRECTORY_PATH],
                 configuration_service.config[DATABASE_NAME]
@@ -262,7 +262,6 @@ def sync(self, portfolio):
         # Sync all trades from exchange with current trade history
         portfolio_sync_service.sync_trades(portfolio)
 
-
     def _initialize_standard(self):
         """
         Initialize the app for standard mode by setting the configuration
@@ -545,8 +544,9 @@ def run(
         number of iterations provided. This mode is useful when running the
         app in a loop for a fixed number of iterations.
 
-        This function first checks if there is an algorithm registered. If not, it raises an OperationalException. Then it initializes the algorithm with the services and the configuration.
-
+        This function first checks if there is an algorithm registered.
+         If not, it raises an OperationalException. Then it
+         initializes the algorithm with the services and the configuration.
 
         Args:
             payload (dict): The payload to handle for the algorithm
@@ -697,8 +697,10 @@ def _initialize_web(self):
 
     def _create_resources_if_not_exists(self):
         """
-        Function to create the resources required by the app if they do not exist. This function will check if the resource directory exists and
-        check if the database directory exists. If they do not exist, it will create them.
+        Function to create the resources required by the app if they
+          do not exist. This function will check if the resource directory
+          exists and check if the database directory exists. If they do
+          not exist, it will create them.
 
         Returns:
             None
@@ -947,8 +949,8 @@ def on_initialize(self, app_hook: AppHook):
 
     def after_initialize(self, app_hook: AppHook):
         """
-        Function to add a hook that runs after the app is initialized. The hook
-        should be an instance of AppHook.
+        Function to add a hook that runs after the app is initialized.
+        The hook should be an instance of AppHook.
         """
 
         if inspect.isclass(app_hook):

investing_algorithm_framework/cli/create_azure_function_app_skeleton.py

@@ -2,23 +2,44 @@
 import click
 
 
+def create_file(file_path):
+    """
+    Creates a new file.
+
+    Args:
+        file_path (str): The path to the file to create.
+
+    Returns:
+        None
+    """
+
+    if not os.path.exists(file_path):
+        with open(file_path, "w") as file:
+            file.write("")
+
+
 def create_file_from_template(template_path, output_path):
     """
     Creates a new file by replacing placeholders in a template file.
 
     Args:
         template_path (str): The path to the template file.
         output_path (str): The path to the output file.
-        replacements (dict): A dictionary of placeholder keys and their replacements.
+        replacements (dict): A dictionary of placeholder keys and
+        their replacements.
 
     Returns:
         None
     """
-    with open(template_path, "r") as file:
-        template = file.read()
 
-    with open(output_path, "w") as file:
-        file.write(template)
+    # Check if output path already exists
+    if not os.path.exists(output_path):
+        with open(template_path, "r") as file:
+            template = file.read()
+
+        with open(output_path, "w") as file:
+            file.write(template)
+
 
 def create_azure_function_skeleton(
     add_app_template, add_requirements_template
@@ -62,14 +83,23 @@ def create_azure_function_skeleton(
             "templates",
             "azure_function_framework_app.py.template"
         )
+        create_file_from_template(
+            function_app_path,
+            os.path.join(cwd, "app_entry.py")
+        )
 
     if add_requirements_template:
         requirements_path = os.path.join(
             os.path.dirname(current_script_path),
             "templates",
             "azure_function_requirements.txt.template"
         )
+        create_file_from_template(
+            function_app_path,
+            os.path.join(cwd, "requirements.txt")
+        )
 
+    create_file(os.path.join(cwd, "__init__.py"))
     create_file_from_template(
         template_host_file_path,
         os.path.join(cwd, "host.json")
@@ -87,7 +117,7 @@ def create_azure_function_skeleton(
         os.path.join(cwd, "requirements.txt")
     )
     print(
-        f"Function App trading bot skeleton creation completed"
+        "Function App trading bot skeleton creation completed"
     )
 
 
@@ -110,7 +140,8 @@ def cli(add_app_template, add_requirements_template):
 
     Args:
         add_app_template (bool): Flag to create an app skeleton.
-        add_requirements_template (bool): Flag to create a requirements template.
+        add_requirements_template (bool): Flag to create a
+        requirements template.
 
     Returns:
         None