INNER CODE UNIT · Python

parse_diff

alibaba/loongcollector · tools/coverage-diff/main.py:18

def parse_diff(diff_output):
    changes = {}

    current_file = None
    for line in diff_output.split('\n'):
        # 识别文件名
        file_match = re.match(r'^diff --git a/(.*) b/(.*)$', line)
        if file_match:
            current_file = file_match.group(2)
            changes[current_file] = []
            continue

        # 识别文件中的行变化
        hunk_match = re.match(r'^@@ -\d+(,\d+)? \+(\d+)(,(\d+))? @@', line)
        if hunk_match and current_file:
            start_line = int(hunk_match.group(2))
            line_count = int(hunk_match.group(4) if hunk_match.group(4) else 1)
            for i in range(start_line, start_line + line_count):

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