有没有可能配合aria2实现远程下载

[yangxuan8282]

如题
telegram有一个类似的bot
尝试改了一下，但没有成功
因为没有公网IP，所以想借用微信实现远程下载

[littlecodersh]

@yangxuan8282 和我描述一下需要的功能吧

[yangxuan8282]

@littlecodersh 谢谢回复。主要是两个功能：添加下载和查看正在下载
telegram 的那个bot是通过diana实现的
添加下载对应命令：

diana add url

查看下载对应命令：

diana list

也就是希望向bot发送这两条命令能实现添加下载和查看正在下载的文件

[littlecodersh]

@yangxuan8282
我给你写了个demo，通过与自己的微信账户交互控制diana
具体操作diana的命令你改一下就好：

import subprocess, re

import itchat

help = '''\
Wechat aria2 download:
* diana list
* diana add url\
'''
@itchat.msg_register('Text')
def diana_download(msg):
    if not msg['FromUserName'] == msg['ToUserName']: return
    if msg['Text'] == 'diana list':
        # return subprocess.Popen(['diana', 'list'], stdout=subprocess.PIPE).communicate()[0]
        return subprocess.Popen(['echo', '"diana list"'], stdout=subprocess.PIPE).communicate()[0].strip()
    r = re.findall('diana add (.*?)$', msg['Text'])
    if not r: return 'No command matched'
    # return subprocess.Popen(['diana', 'add', r[0]], stdout=subprocess.PIPE).communicate()[0]
    return subprocess.Popen(['echo', '"%s"'%r[0]], stdout=subprocess.PIPE).communicate()[0].strip()

itchat.auto_login()
itchat.send(help)
itchat.run()

[yangxuan8282]

@littlecodersh 试了一下，好像添加不了下载，但看代码也没看到问题在哪

[littlecodersh]

@yangxuan8282 你先尝试用python调用diana，成功以后再套进我给你的示例里面吧

[yangxuan8282]

不好意思，刚回复
在python里不知道怎么加参数（add），所以尝试先不用diana，直接调用aria2
不知道为什么扫码登陆之后程序就自己关了，能帮忙看下哪里有问题吗

import os
import subprocess
import itchat

itchat.auto_login()


def get_url():
    @itchat.msg_register
    def simple_reply(msg):
        if msg.get('Type', '') == 'Text':
            url = msg.get('Content', '')
            return url
        else:
            return u'输入有误'
    itchat.run()


def download_url(url):
    try:
        subprocess.Popen(['aria2c', url])
    except:
        return u'error'

[littlecodersh]

@yangxuan8282
你没有调用get_url方法么？
维持程序运行的itchat.run()命令仅在该方法中被调用。

[yangxuan8282]

把 itchat.run() 移动到 itchat.auto_login() 下面之后不会自动关闭了
但是测试了一下aria2还是没能添加下载任务，是 get_url 部分的问题吗，你说的调用是该怎样来实现

[littlecodersh]

@yangxuan8282 你能使用python使用aria2吗？

[yangxuan8282]

我在终端里大概试了一下，是可以的

pi@raspberrypi:~ $ python
Python 2.7.9 (default, Mar  8 2015, 00:52:26)
[GCC 4.9.2] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import os
>>> import subprocess
>>> if 1 ==1 :
... subprocess.Popen(['aria2c', 'https://github.com/littlecodersh/ItChat/archive/master.zip'])
  File "<stdin>", line 2
    subprocess.Popen(['aria2c', 'https://github.com/littlecodersh/ItChat/archive/master.zip'])
             ^
IndentationError: expected an indented block
>>> subprocess.Popen(['aria2c', 'https://github.com/littlecodersh/ItChat/archive/master.zip'])
<subprocess.Popen object at 0x76a34830>
[#1a9e7c 0B/0B CN:1 DL:0B]
06/28 22:31:41 [NOTICE] Download complete: /home/pi/ItChat-master.zip

Download Results:
gid   |stat|avg speed  |path/URI
======+====+===========+=======================================================
1a9e7c|OK  |    11KiB/s|/home/pi/ItChat-master.zip

Status Legend:
(OK):download completed.

[littlecodersh]

@yangxuan8282 用.py可以么？

[yangxuan8282]

.py是指？

LittleCoder notifications@github.com于2016年6月28日周二 下午10:48写道：

@yangxuan8282 https://github.com/yangxuan8282 用.py可以么？

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[littlecodersh]

@yangxuan8282 就是写成py文件

[yangxuan8282]

试了一下，测试的那几行写成 .py 也可以添加下载

pi@raspberrypi:~/ItChat $ python test.py
pi@raspberrypi:~/ItChat $
06/28 23:12:07 [NOTICE] Download complete: /home/pi/ItChat/robot.py

Download Results:
gid   |stat|avg speed  |path/URI
======+====+===========+=======================================================
1f0067|OK  |   3.9MiB/s|/home/pi/ItChat/robot.py

Status Legend:
(OK):download completed.

pi@raspberrypi:~/ItChat $ cat test.py
import os
import subprocess

if 1 == 1:
    subprocess.Popen(['aria2c', 'https://raw.githubusercontent.com/littlecodersh/ItChat/robot/itchat/robot.py'])

[littlecodersh]

@yangxuan8282 你现在的itchat测试程序会回显你发过去的内容吗？