winpython · stonebig · May 11, 2025 · May 11, 2025 · May 11, 2025
diff --git a/pylock_to_requirements.py b/pylock_to_requirements.py
@@ -0,0 +1,76 @@
+import sys
+from pathlib import Path
+from collections import defaultdict
+
+# Use tomllib if available (Python 3.11+), otherwise fall back to tomli
+try:
+    import tomllib  # Python 3.11+
+except ImportError:
+    try:
+        import tomli as tomllib  # For older Python versions
+    except ImportError:
+        print("Please install tomli for Python < 3.11: pip install tomli")
+        sys.exit(1)
+
+
+
+def parse_pylock_toml(path):
+    with open(path, "rb") as f:
+        data = tomllib.load(f)
+
+    # This dictionary maps package names to (version, [hashes])
+    package_hashes = defaultdict(lambda: {"version": "", "hashes": []})
+
+    for entry in data.get("packages", []):
+        name = entry["name"]
+        version = entry["version"]
+        all_hashes = []
+
+        # Handle wheels
+        for wheel in entry.get("wheels", []):
+            sha256 = wheel.get("hashes", {}).get("sha256")
+            if sha256:
+                all_hashes.append(sha256)
+
+        # Handle sdist (if present)
+        sdist = entry.get("sdist")
+        if sdist and "hashes" in sdist:
+            sha256 = sdist["hashes"].get("sha256")
+            if sha256:
+                all_hashes.append(sha256)
+
+        package_hashes[name]["version"] = version
+        package_hashes[name]["hashes"].extend(all_hashes)
+
+    return package_hashes
+
+
+def write_requirements_txt(package_hashes, output_path="requirements.txt"):
+    with open(output_path, "w") as f:
+        for name, data in sorted(package_hashes.items()):
+            version = data["version"]
+            hashes = data["hashes"]
+
+            if hashes:
+                f.write(f"{name}=={version} \\\n")
+                for i, h in enumerate(hashes):
+                    end = " \\\n" if i < len(hashes) - 1 else "\n"
+                    f.write(f"    --hash=sha256:{h}{end}")
+            else:
+                f.write(f"{name}=={version}\n")
+
+    print(f"✅ requirements.txt written to {output_path}")
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print("Usage: python pylock_to_requirements.py pylock.toml")
+        sys.exit(1)
+
+    path = Path(sys.argv[1])
+    if not path.exists():
+        print(f"❌ File not found: {path}")
+        sys.exit(1)
+
+    pkgs = parse_pylock_toml(path)
+    dest = path.parent / (path.stem.replace('pylock','requirement_with_hash')+ '.txt')
+    write_requirements_txt(pkgs, dest)