add a script to check wether our poetry lockfile is in order (#1103)

* add a script to check wether our poetry lockfile is in order

* small script changes

* convert script to python
move tools to tools folder

* add encoding information

Makefile

@@ -47,7 +47,8 @@ dev: has-poetry
 	poetry install --all-extras --with airflow --with docs --with providers --with pipeline --with sentry-sdk
 
 lint:
-	./check-package.sh
+	./tools/check-package.sh
+	poetry run python ./tools/check-lockfile.py
 	poetry run mypy --config-file mypy.ini dlt tests
 	poetry run flake8 --max-line-length=200 dlt
 	poetry run flake8 --max-line-length=200 tests --exclude tests/reflection/module_cases

tools/check-lockfile.py

@@ -0,0 +1,24 @@
+import sys
+
+# File and string to search for
+lockfile_name = "poetry.lock"
+hash_string = "hash = "
+threshold = 100
+
+try:
+    count = 0
+    with open(lockfile_name, 'r', encoding="utf8") as file:
+        for line in file:
+            if hash_string in line:
+                count += 1
+                if count >= threshold:
+                    print(f"Success: Found '{hash_string}' more than {threshold} times in {lockfile_name}.")
+                    sys.exit(0)
+                    
+    # If the loop completes without early exit, it means the threshold was not reached
+    print(f"Error: The string '{hash_string}' appears less than {threshold} times in {lockfile_name}, please make sure you are using an up to date poetry version.")
+    sys.exit(1)
+
+except FileNotFoundError:
+    print(f"Error: File {lockfile_name} does not exist.")
+    sys.exit(1)