you-get: 一行命令下载网络视频

you-get 是一款轻量的视频下载神器，安装及使用都很简单。

安装及基本使用如下：

# 安装
pip install you-get

# 使用
# 1. 查看视频信息
you-get -i video_url
# 2. 下载视频
you-get video_url

示例：

you-get https://www.bilibili.com/video/BV1ub4y1E7V7?t=3.8

下载过程如图：

 下载完毕后，会有视频文件和信息文件：

 更多用法，可以使用“you-get -h”查看帮助文档：

you-get: version 0.4.1602, a tiny downloader that scrapes the web.
usage: you-get [OPTION]... URL...

A tiny downloader that scrapes the web

optional arguments:
  -V, --version         Print version and exit
  -h, --help            Print this help message and exit

Dry-run options:
  (no actual downloading)

  -i, --info            Print extracted information
  -u, --url             Print extracted information with URLs
  --json                Print extracted URLs in JSON format

Download options:
  -n, --no-merge        Do not merge video parts
  --no-caption          Do not download captions (subtitles, lyrics, danmaku,
                        ...)
  --postfix             Postfix downloaded files with unique identifiers
  -f, --force           Force overwriting existing files
  --skip-existing-file-size-check
                        Skip existing file without checking file size
  -F STREAM_ID, --format STREAM_ID
                        Set video format to STREAM_ID
  -O FILE, --output-filename FILE
                        Set output filename
  -o DIR, --output-dir DIR
                        Set output directory
  -p PLAYER, --player PLAYER
                        Stream extracted URL to a PLAYER
  -c COOKIES_FILE, --cookies COOKIES_FILE
                        Load cookies.txt or cookies.sqlite
  -t SECONDS, --timeout SECONDS
                        Set socket timeout
  -d, --debug           Show traceback and other debug info
  -I FILE, --input-file FILE
                        Read non-playlist URLs from FILE
  -P PASSWORD, --password PASSWORD
                        Set video visit password to PASSWORD
  -l, --playlist        Prefer to download a playlist
  -a, --auto-rename     Auto rename same name different files
  -k, --insecure        ignore ssl errors
  -m, --m3u8            download vide using an m3u8 url

Playlist optional options:
  --first FIRST         the first number
  --last LAST           the last number
  --size PAGE_SIZE, --page-size PAGE_SIZE
                        the page size number

Proxy options:
  -x HOST:PORT, --http-proxy HOST:PORT
                        Use an HTTP proxy for downloading
  -y HOST:PORT, --extractor-proxy HOST:PORT
                        Use an HTTP proxy for extracting only
  --no-proxy            Never use a proxy
  -s HOST:PORT or USERNAME:PASSWORD@HOST:PORT, --socks-proxy HOST:PORT or USERNAME:PASSWORD@HOST:PORT
                        Use an SOCKS5 proxy for downloading