Determine .lessc directory dynamically.

.github/dependabot.yml

@@ -9,8 +9,7 @@ updates:
   ignore:
   - dependency-name: black
     versions:
-    - 21.4b0
-    - 21.4b1
+    - 23.12.1
   - dependency-name: faker
     versions:
     - 5.8.0
@@ -39,7 +38,7 @@ updates:
     - 1.26.3
   - dependency-name: pytest
     versions:
-    - 6.2.2
+    - 7.4.3
   - dependency-name: isort
     versions:
-    - 5.7.0
+    - 5.13.2

config.py

@@ -1,5 +1,6 @@
 """Class-based Flask app configuration."""
-from os import environ, path, system
+import subprocess
+from os import environ, path
 
 from dotenv import load_dotenv
 
@@ -25,13 +26,17 @@ class Config:
 
     # Flask-Assets
     if ENVIRONMENT == "development":
-        LESS_BIN = system("which lessc")
-        ASSETS_DEBUG = False
-        LESS_RUN_IN_DEBUG = False
+        # Check if `lessc` is installed
+        LESS_BIN = subprocess.call("which lessc", shell=True)
         if LESS_BIN is None:
-            raise ValueError(
-                "Application running in `development` mode cannot create assets without `lessc` installed."
-            )
+            raise ValueError("Flask requires `lessc` to be installed to compile styles.")
+        else:
+            # Check if `nodejs` is installed
+            NODE_JS = subprocess.call("which node", shell=True)
+            if NODE_JS is None:
+                raise ValueError(
+                    "Application running in `development` mode cannot create assets without `node` installed."
+                )
 
     # Hardcoded data
     PRODUCT_DATA_FILEPATH = f"{BASE_DIR}/data/products.json"

requirements.txt

@@ -1,4 +1,4 @@
-black==23.12.0 ; python_version >= "3.10" and python_version < "4.0"
+black==23.12.1 ; python_version >= "3.10" and python_version < "4.0"
 blinker==1.7.0 ; python_version >= "3.10" and python_version < "4.0"
 click==8.1.7 ; python_version >= "3.10" and python_version < "4.0"
 colorama==0.4.6 ; python_version >= "3.10" and python_version < "4.0" and platform_system == "Windows"
@@ -16,7 +16,7 @@ lesscpy==0.15.1 ; python_version >= "3.10" and python_version < "4.0"
 markupsafe==2.1.3 ; python_version >= "3.10" and python_version < "4.0"
 mccabe==0.7.0 ; python_version >= "3.10" and python_version < "4.0"
 mypy-extensions==1.0.0 ; python_version >= "3.10" and python_version < "4.0"
-mypy==1.7.1 ; python_version >= "3.10" and python_version < "4.0"
+mypy==1.8.0 ; python_version >= "3.10" and python_version < "4.0"
 packaging==23.2 ; python_version >= "3.10" and python_version < "4.0"
 pathspec==0.12.1 ; python_version >= "3.10" and python_version < "4.0"
 platformdirs==4.1.0 ; python_version >= "3.10" and python_version < "4.0"