问如何使用python模块获得文件的GitLab提交？

EN

import gitlab
from collections import defaultdict
TOKEN = 'Your API Token'
gl = gitlab.Gitlab('https://gitlab.example.com', private_token=TOKEN)

project = gl.projects.get(1234)
commits = project.commits.list(all=True)

# file paths and a list of commits which create/modify/delete the file
file_map = defaultdict(list)

for c in commits:
    diff = c.diff()
    files_changed = set()
    for change in diff:
        files_changed.add(change['old_path'])
        files_changed.add(change['new_path'])
    for path in files_changed:
        file_map[path].append(c)

#  show list of commits which modified README.md
print(file_map['README.md'])

def search_blame(project, filename, base_ref=None):
    if base_ref is None:
        base_ref = project.default_branch
    commits = set()
    refs_to_check = [base_ref,]
    seen = set()
    while refs_to_check:
        ref = refs_to_check.pop()
        if ref in seen:
            continue
        seen.add(ref)
        blame = project.files.blame(filename, ref)
        for change in blame:
            commit_id = change['commit']['id']
            if commit_id not in seen:
                refs_to_check.append(commit_id)
                refs_to_check.extend(change['commit']['parent_ids'])
                for c in change['commit']['parent_ids']:
                    commits.add(c)
            commits.add(commit_id)
    return commits

# show commits in blame tree for README.md
# only includes commits in the default branch
print(search_blame(project, 'README.md'))