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-rw-r--r--gn3/computations/diff.py12
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diff --git a/gn3/computations/diff.py b/gn3/computations/diff.py
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+"""This module contains code that's used for generating diffs"""
+from typing import Optional
+
+from gn3.commands import run_cmd
+
+
+def generate_diff(data: str, edited_data: str) -> Optional[str]:
+ """Generate the diff between 2 files"""
+ results = run_cmd(f"diff {data} {edited_data}")
+ if results.get("code", -1) > 0:
+ return results.get("output")
+ return None