analyze packages imported by python project

import os
import re

defanalyze_imports(project_path):
 imports =set()

for root, dirs, files in os.walk(project_path):
forfilein files:
iffile.endswith(".py"):
 file_path = os.path.join(root,file)
withopen(file_path,"r")as f:
 lines = f.readlines()
for line in lines:
if line.startswith("import"):
match= re.findall(r"[\w.]+", line)
ifmatch:
 import_name =match[1].split('.')[0]# 只保留包名部分
 imports.add(import_name)
elif line.startswith("from"):
match= re.findall(r"[\w.]+", line)
ifmatch:
 import_name =match[0].split('.')[0]# 只保留包名部分
 imports.add(import_name)

return imports

project_path ="/path/to/your/project"
result = analyze_imports(project_path)

for import_name in result:
print(import_name)