curl to aria2

c2a.py

#!/usr/bin/env python
import sys

cmd = "aria2c --no-conf '{}'".format(sys.argv[2])
i = 3
while i < len(sys.argv):
    arg = sys.argv[i]
    i += 1
    if arg == '-H':
        arg = sys.argv[i]
        i += 1
        arg = arg.strip('"\'')
        if arg.startswith('User-Agent: '):
            user_agent = arg[len('User-Agent: '):]
            cmd += " --user-agent='{}'".format(user_agent)
        elif arg.startswith('Referer: '):
            referer = arg[len('Referer: '):]
            cmd += " --referer='{}'".format(referer)
        elif arg.startswith('Range: '):
            print('SKIP Range')
        else:
            cmd += " --header='{}'".format(arg)
    elif arg == '--data':
        assert False, "aria2c do not support post"
    elif arg == '-u' or arg == '--user':
        userpswd = sys.argv[i].split(':', 1)
        i += 1
        cmd += ' --http-user=' + userpswd[0]
        cmd += ' --http-pswd=' + userpswd[1]
    else:
        print('UNKNOWN:', arg)

cmd += ' --all-proxy=http://127.0.0.1:1087 -c -x 5'
print(cmd)
print('if needed:', '--all-proxy=http://127.0.0.1:1087', '-c', '-x N -s N', '-o XX')