Python实现代码统计工具：支持多语言与注释排除

核心代码实现

import os
import sys
import os.path
#for i in sys.argv:
# print (i)

# 判断单个文件的代码行数
def count_file_lines(file_path):
 line_count = 0
 flag=True
 try:
 fp = open(file_path,"r",encoding="utf-8")
 encoding_type="utf-8"
 fp.close()
 except:
 encoding_type="gbk"
 with open(file_path,"r",encoding=encoding_type) as fp:
 for line in fp:
 #print (line_count)
  if line.strip()=="":
  continue
  else:
  if line.strip().endswith("'''") and flag == False:
   flag=True
   continue
  if line.strip().endswith('"""') and flag == False:
   flag=True
   continue
  if flag == False:
   continue
  if line.strip().startswith("#encoding") or line.strip().startswith("#-*-"):
   line_count += 1
  #elif line.strip().startswith('"""') and line.strip().endswith('"""') and line.strip()!='"""':
 #continue
  #elif line.strip().startswith("'''") and line.strip().endswith("'''") and line.strip()!="'''":
 #continue
  elif line.strip().startswith('#'):
   continue
  elif line.strip().startswith("'''") and flag == True:
   flag = False
   continue
  elif line.strip().startswith('"""') and flag == True:
   flag = False
   continue
  else:
   line_count += 1
 return line_count

def count_code_lines(path,file_types=[]):
 # 判断路径是否存在
 if not os.path.exists(path):
 print("您输入的目录或文件路径不存在")
 return 0

 line_count=0 #代码行总数
 file_lines_dict={} #每个文件代码行数

 # 判断是否为文件
 if os.path.isfile(path):
 file_type = os.path.splitext(path)[1][1:] #取到文件后缀名

 # 判断文件类型是否满足条件
 if len(file_types)==0:
 file_types=["py","cpp","c","java","ruby","ini","go","html","css","js","txt","vbs","php","asp","sh"]
 if file_type in file_types:
 line_count = count_file_lines(path)
 return line_count
 else:
 file_path = []
 for root, dirs, files in os.walk(path):
  for file in files:
  file_path.append(os.path.join(root,file))
  for f in file_path:
   file_type = os.path.splitext(f)[1][1:]
   if len(file_types)==0:
   file_types=

["py","cpp","c","java","ruby","ini","go","html","css","js","txt","vbs","php","asp","sh"]
   if file_type not in file_types:
   continue
   line_num = count_file_lines(f)
   line_count += line_num
   file_lines_dict[f] = line_num
  return line_count,file_lines_dict
 

if __name__=="__main__":
 print (sys.argv)
 if len(sys.argv) < 2:
 print ("请输入待统计行数的代码绝对路径！")
 sys.exit()
 count_path = sys.argv[1]
 file_types = []
 if len(sys.argv) >2:
 for i in sys.argv[2:]:
  file_types.append(i)

#print(count_path,file_types)
print(count_code_lines(count_path,file_types))
#print(count_file_lines("b.py"))