Action

entrypoint.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+
+import dataclasses
+import inspect
+import os
+import subprocess
+import sys
+import tempfile
+from typing import List
+
+
+def main():
+    config = Config.from_environ(os.environ)
+
+    comment = get_markdown_comment(config=config)
+    post_comment(comment=comment, config=config)
+
+    if config.badge_enabled:
+        coverage_percent = get_coverage(config=config)
+        upload_badge(coverage_percent=coverage_percent, config=config)
+
+
+@dataclasses.dataclass
+class Config:
+    """This object defines the environment variables"""
+
+    GITHUB_TOKEN: str
+    COVERAGE_FILE: str = "coverage.xml"
+    DIFF_COVER_ARGS: List[str] = dataclasses.field(default_factory=list)
+    BADGE_ENABLED: bool = False
+
+    # Clean methods
+    @classmethod
+    def clean_diff_cover_args(cls, value: str) -> list:
+        return [e.strip() for e in value.split("\n")]
+
+    @classmethod
+    def clean_badge_enabled(cls, value: str) -> bool:
+        return value.lower() in ("1", "true", "yes")
+
+    @classmethod
+    def from_environ(cls, environ):
+        possible_variables = [e for e in inspect.signature(cls).parameters]
+        config = {k: v for k, v in environ.items() if k in possible_variables}
+        for key, value in list(config.items()):
+            if func := getattr(cls, f"clean_{key.lower()}", None):
+                config[key] = func(value)
+
+        try:
+            return cls(**config)
+        except TypeError as exc:
+            sys.exit(f"{exc} environment variable is mandatory")
+
+
+def get_markdown_comment(config: Config) -> str:
+    with tempfile.NamedTemporaryFile("r") as f:
+        subprocess.check_call(
+            ["diff-cover", "coverage.xml", "--markdown-report", f.name]
+            + config.DIFF_COVER_ARGS
+        )
+        return f.read()
+
+
+def post_comment(comment: str, config: Config) -> None:
+    pass
+
+
+def get_coverage(config: Config) -> int:
+    pass
+
+
+def upload_badge(coverage_percent: int, config: Config) -> None:
+    pass
+
+
+if __name__ == "__main__":
+    main()