Format files with pre-commit hook

.ci/move_binary.py

@@ -1,9 +1,9 @@
 #!/bin/python3
 import os
-from os import environ as env
-import sys
 import shutil
 import subprocess
+import sys
+from os import environ as env
 
 binary_filename = os.path.abspath(sys.argv[1])
 master_repository_directory = os.path.abspath(sys.argv[2])
@@ -14,10 +14,20 @@ directory = sys.argv[4]
 os.chdir(master_repository_directory)
 
 filename = os.path.basename(binary_filename)
-commit_hash = subprocess.check_output(["git", "rev-parse", "--verify", "--short", "HEAD"]).decode("utf-8").strip()
-commit_subject = subprocess.check_output(["git", "log", "-1", "--pretty=format:%s"]).decode("utf-8").strip()
+commit_hash = (
+    subprocess.check_output(["git", "rev-parse", "--verify", "--short", "HEAD"])
+    .decode("utf-8")
+    .strip()
+)
+commit_subject = (
+    subprocess.check_output(["git", "log", "-1", "--pretty=format:%s"])
+    .decode("utf-8")
+    .strip()
+)
 
-is_tag = env["GITHUB_EVENT_NAME"] == "push" and env["GITHUB_REF"].startswith("refs/tags")
+is_tag = env["GITHUB_EVENT_NAME"] == "push" and env["GITHUB_REF"].startswith(
+    "refs/tags"
+)
 if not is_tag:
     is_pr = env["GITHUB_REF"].startswith("refs/pull")
     if is_pr:
@@ -30,8 +40,12 @@ if not is_tag:
     filename = "-".join([*filename_split[:2], middle, *filename_split[2:]])
 
 # Set author info to the latest commit author
-author_name = subprocess.check_output(["git", "log", "-1", "--pretty=format:%an"]).decode("utf-8")
-author_email = subprocess.check_output(["git", "log", "-1", "--pretty=format:%ae"]).decode("utf-8")
+author_name = subprocess.check_output(
+    ["git", "log", "-1", "--pretty=format:%an"]
+).decode("utf-8")
+author_email = subprocess.check_output(
+    ["git", "log", "-1", "--pretty=format:%ae"]
+).decode("utf-8")
 
 # Move file
 os.chdir(data_repository_directory)
@@ -41,9 +55,15 @@ shutil.copy(binary_filename, os.path.join(directory, filename))
 # Push changes
 subprocess.check_call(["git", "config", "user.name", author_name])
 subprocess.check_call(["git", "config", "user.email", author_email])
-subprocess.check_call(["git", "pull", "--ff-only"])  # Ensure that there is no changes
+subprocess.check_call(
+    ["git", "pull", "--ff-only"]
+)  # Ensure that there is no changes
 subprocess.check_call(["git", "add", os.path.join(directory, filename)])
-subprocess.check_call(["git", "commit", "-m", f"Add binary for {commit_hash}: \"{commit_subject}\""])
+subprocess.check_call(
+    ["git", "commit", "-m", f'Add binary for {commit_hash}: "{commit_subject}"']
+)
 subprocess.check_call(["git", "push"])
 
-print(f"Binary file: {env['GITHUB_SERVER_URL']}/{env['GITHUB_REPOSITORY']}/blob/{data_repository}/{directory}/{filename}")
+print(
+    f"Binary file: {env['GITHUB_SERVER_URL']}/{env['GITHUB_REPOSITORY']}/blob/{data_repository}/{directory}/{filename}"
+)

.pre-commit-config.yaml

@@ -0,0 +1,18 @@
+# Pre-commit hooks.
+# python3 -m pip install pre-commit
+# pre-commit install
+
+repos:
+
+  # Format Python
+  - repo: https://github.com/psf/black
+    rev: stable
+    hooks:
+      - id: black
+
+  # Sort imports
+  - repo: https://github.com/timothycrosley/isort
+    rev: 4.3.21
+    hooks:
+      - id: isort
+        additional_dependencies: ["toml"]

entrypoint.py

@@ -11,8 +11,8 @@ order.
 """
 
 import os
-from os import environ as env
 import subprocess
+from os import environ as env
 
 
 def main():
@@ -134,12 +134,18 @@ def run_command(command):
 
 def set_output(repository_root, workdir):
     if not os.path.exists("bin"):
-        print("::error::Output directory does not exist. See Buildozer log for error")
+        print(
+            "::error::Output directory does not exist. See Buildozer log for error"
+        )
         exit(1)
     filename = [
-        file for file in os.listdir("bin") if os.path.isfile(os.path.join("bin", file))
+        file
+        for file in os.listdir("bin")
+        if os.path.isfile(os.path.join("bin", file))
     ][0]
-    path = os.path.normpath(os.path.join(repository_root, workdir, "bin", filename))
+    path = os.path.normpath(
+        os.path.join(repository_root, workdir, "bin", filename)
+    )
     print(f"::set-output name=filename::{path}")
 
 

pyproject.toml

@@ -0,0 +1,33 @@
+# Format Python
+[tool.black]
+line-length = 80
+target-version = ['py35', 'py36', 'py37', 'py38']
+include = '(\.pyi?$|\.spec$)'
+exclude = '''
+(
+  /(
+      \.eggs
+    | \.git
+    | \.hg
+    | \.mypy_cache
+    | \.tox
+    | \.venv
+    | _build
+    | buck-out
+    | build
+    | dist
+  )/
+  | buildozer\.spec
+)
+'''
+
+# Sort imports
+# Settings to fit Black formatting
+# Taken from https://github.com/timothycrosley/isort/issues/694
+[tool.isort]
+line_length = 80
+include_trailing_comma = true
+multi_line_output = 3
+use_parantheses = true
+force_grid_wrap = 0
+ensure_newline_before_comments = true