Avoid checksum generation when not desired

Author: tommycbird

pyartifactory/objects/artifact.py

@@ -102,14 +102,17 @@ def deploy(
             if properties is not None:
                 properties_param_str = ";".join(f"{k}={value}" for k, values in properties.items() for value in values)
             route = ";".join(s for s in [artifact_folder.as_posix(), properties_param_str] if s)
-            artifact_check_sums = Checksums.generate(local_file)
-            headers = {
-                "X-Checksum-Sha1": artifact_check_sums.sha1,
-                "X-Checksum-Sha256": artifact_check_sums.sha256,
-                "X-Checksum": artifact_check_sums.md5,
-            }
+            headers: Dict[str, str] = {}
             if checksum_enabled:
-                headers["X-Checksum-Deploy"] = "true"
+                artifact_check_sums = Checksums.generate(local_file)
+                headers.update(
+                    {
+                        "X-Checksum-Sha1": artifact_check_sums.sha1,
+                        "X-Checksum-Sha256": artifact_check_sums.sha256,
+                        "X-Checksum": artifact_check_sums.md5,
+                        "X-Checksum-Deploy": "true",
+                    },
+                )
                 try:
                     self._put(
                         route=route,