树莓派学习笔记（7）：利用bypy实现树莓派NAS同步百度云

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树莓派制作NAS过程详见http://www.cnblogs.com/xiaowuyi/p/4051238.html。

Bypy是一个百度云/百度网盘的Python客户端，主要的目的就是在Linux环境下（命令行）同步百度云盘空间。Bypy要求python2.7以上版本，最新版下载地址为https://github.com/houtianze/bypy

一、bypy安装

1、所需环境

python 2.7x

python requests库（安装该库需要setuptools 和pip）

2、安装

（1）python 2.7 不在详述

（2）requests库安装

首先安装setuptools

wget https://bootstrap.pypa.io/ez_setup.py -O - | python

如果安装过程中出现问题，可能是没有安装zip解压的原因，zip如何安装请百度。

然后安装pip

https://pypi.python.org/pypi/pip 从这里下载pip－1.5.6.tar.gz

tar -zxvf pip-1.5.6.tar.gz

python setup.py install

安装完成后，pip install requests。实现requests的安装。

（3）安装bypy

直接从https://github.com/houtianze/bypy下载解压就可以了。

3、使用

（1）第一次使用

要把系统的区域编码设置为UTF-8

vi /etc/sysconfig/i18n
将原内容改为：

LANG="zh_CN.UTF-8"
SYSFONT=latarcyrheb-sun16

设置token：

./bypy.py info

程序会要求你访问一个网址，获取你授权码，授权后复制code给程序，程序会利用不同的服务器进行认证，认证成功会显示百度网盘的容量，如果一次没成功，可以多试几次，容易被墙。

这时百度网盘的“我的应用管理”下会形成bypy文件＋。

安装完全后，可以使用./bypy.py list 来看一下列表。

（2）主要命令参数

optional arguments:
  -h, --help            show this help message and exit
  --TESTRUN             Perform python doctest [default: False]
  --PROFILE             Profile the code [default: False]
  -V, --version         show program's version number and exit
  -d, --debug           enable debugging & logging [default: 0]
  -v, --verbose         set verbosity level [default: 0]
  -r RETRY, --retry RETRY
                        number of retry attempts on network error [default: 5
                        times]
  -q QUIT, --quit-when-fail QUIT
                        quit when maximum number of retry failed [default:
                        False]
  -t TIMEOUT, --timeout TIMEOUT
                        network timeout in seconds [default: 60]
  -s SLICE, --slice SLICE
                        size of file upload slice (can use '1024', '2k',
                        '3MB', etc) [default: 20 MB]
  --chunk CHUNK         size of file download chunk (can use '1024', '2k',
                        '3MB', etc) [default: 20 MB]
  -e, --verify          Verify upload / download [default : False]
  -f, --force-hash      force file MD5 / CRC32 calculation instead of using
                        cached values [default: False]
  -l LISTFILE, --list-file LISTFILE
                        input list file (used by some of the commands only
                        [default: None]
  --resume-download RESUMEDL
                        resume instead of restarting when downloading if local
                        file already exists [default: True]
  --include-regex INCREGEX
                        regular expression of files to include. if not
                        specified (default), everything is included. for
                        download, the regex applies to the remote files; for
                        upload, the regex applies to the local files. to
                        exclude files, think about your regex, some tips here:
                        https://stackoverflow.com/questions/406230/regular-
                        expression-to-match-string-not-containing-a-word
                        [default: ]
  --on-dup ONDUP        what to do when the same file / folder exists in the
                        destination: 'overwrite', 'skip', 'prompt' [default:
                        overwrite]
  --no-symlink          DON'T follow symbol links when uploading / syncing up
                        [default: True]
  --disable-ssl-check   DON'T verify host SSL cerificate [default: True]
  -c, --clean           1: clean settings (remove the token file) 2: clean
                        settings and hash cache [default: 0]

Commands:
help command - provide some information for the command
cleancache - remove invalid entries from hash cache file
combine <remotefile> [md5s] [localfile] - try to create a file at PCS by combining slices, having MD5s specified
compare [remotedir] [localdir] - compare the remote direcotry with the local directory
copy/cp <from> <to> - copy a file / dir remotely at Baidu Yun
delete/remove/rm <remotepath> - delete a file / dir remotely at Baidu Yun
downdir <remotedir> [localdir] - download a remote directory (recursively)
downfile <remotefile> [localpath] - download a remote file.
dumpcache - display file hash cache
list/ls [remotepath] [format] [sort] [order] - list the 'remotepath' directory at Baidu PCS
listrecycle [start] [limit] - list the recycle contents
meta <remotepath> [format] - get information of the given path (dir / file) at Baidu Yun.
mkdir <remotedir> - create a directory at Baidu Yun
move/mv/rename/ren <from> <to> - move a file / dir remotely at Baidu Yun
quota/info - displays the quota information
refreshtoken - refresh the access token
restore <remotepath> - restore a file from the recycle bin
search <keyword> [remotepath] [recursive] - search for a file using keyword at Baidu Yun
stream <remotefile> <localpipe> [format] [chunk] - stream a video / audio file converted to M3U format at cloud side, to a pipe.
syncdown [remotedir] [localdir] [deletelocal] - sync down from the remote direcotry to the local directory
syncup [localdir] [remotedir] [deleteremote] - sync up from the local direcotry to the remote directory
upload [localpath] [remotepath] [ondup] - upload a file or directory (recursively)