unidiff_parse_unified_diff_iterate_files_hunks_lines.py

1from unidiff import PatchSet
2
3# Example diff data (unified diff format)
4diff_data = """--- samples/file1.txt	2015-04-13 14:52:43.000000000 +0200
5+++ samples/file2.txt	2015-04-13 14:52:54.000000000 +0200
6@@ -1,3 +1,4 @@
7 line1
8-line2
9+line2 modified
10 line3
11+line4
12"""
13
14# Parse the diff data
15patch = PatchSet(diff_data)
16
17# Iterate over patched files, hunks and lines
18for patched_file in patch:
19    print(f"File: {patched_file.path}")
20    for hunk in patched_file:
21        print(f"Hunk: {hunk}")
22        for line in hunk:
23            # line.target_line_no is None if line was removed
24            # line.source_line_no is None if line was added
25            print(f"[{line.line_type}] {line.value.strip()}")