fix lint, exit code

Author: donn

.flake8

@@ -1,5 +1,5 @@
 [flake8]
-ignore = E203,E266,E302,E501,W503
+ignore = E203,E266,E302,E501,W503,E231,E713
 exclude =
     .git,
     __pycache__,
@@ -8,4 +8,4 @@ exclude =
     venv/,
     nldiff/__init__.py,
     parsetab.py,
-    parser.out
+    parser.out

.github/workflows/ci.yml

@@ -17,7 +17,9 @@ jobs:
       - name: Install Linters
         run: make venv
       - name: Lint
-        run: make lint
+        run: |
+          source ./venv/bin/activate
+          make lint
   push_to_pypi:
     name: Build (and publish, if applicable)
     runs-on: ubuntu-22.04

Makefile

@@ -7,7 +7,6 @@ dist: venv/manifest.txt
 lint:
 	black --check .
 	flake8 .
-	mypy --check-untyped-defs .
 
 venv: venv/manifest.txt
 venv/manifest.txt: ./pyproject.toml

nldiff/__main__.py

@@ -47,9 +47,15 @@ def diff(first_nl: str, second_nl: str) -> bool:
         print(f"The second netlist is not supported: {e}")
         exit(os.EX_DATAERR)
 
-    for difference in metadata_1.diff(metadata_2):
+    differences = metadata_1.diff(metadata_2)
+    for difference in differences:
         print(difference)
 
+    if len(differences):
+        exit(1)
+    else:
+        exit(0)
+
 
 @click.command()
 @click.argument("first_nl")

poetry.lock

@@ -22,7 +22,7 @@ pyverilog = "*"
 [tool.poetry.group.dev.dependencies]
 wheel = "*"
 black = ">=24.4.0,<25"
-flake8 = ">=4"
+flake8 = "*"
 
 [tool.poetry.scripts]
 nldiff = "nldiff.__main__:diff_cmd"