for fetching of environment variable

Author: iaacornus

src/utils/shared/fetch_env.py

@@ -0,0 +1,28 @@
+from os import getenv
+
+from rich.console import Console
+
+from src.utils.misc.uinput import uinput
+from src.utils.log.logger import Logger
+
+
+def fetch_env(log: Logger, console: Console, env_var: str) -> str:
+    """Fetch the value of given env variable.
+
+    Args:
+        log -- instance of Logger
+        env_var -- variable to fetch
+
+    Returns:
+        The value of env variable or None
+    """
+
+    try:
+        env_value: str = getenv(env_var.upper())
+    except OSError as Err:
+        log.logger("e", f"{Err}. No value found for {env_var}.")
+        env_value = uinput(
+                console, f"Kindly input the value for {env_var}"
+            )
+
+    return env_value