以下是 paramiko-1.7.7.1 的安装过程，可以看到整个过程分为步，第一步是 build， 就是拷贝源文件到 build 文件夹里，
F:\VMFiles\tmpFiles\paramiko-1.7.7.1>F:\Software\Python27\python.exe setup.py install
running install
running build
running build_py
creating build
creating build\lib
creating build\lib\paramiko
copying paramiko\agent.py -> build\lib\paramiko
copying paramiko\auth_handler.py -> build\lib\paramiko
copying paramiko\ber.py -> build\lib\paramiko
copying paramiko\buffered_pipe.py -> build\lib\paramiko
copying paramiko\channel.py -> build\lib\paramiko
copying paramiko\client.py -> build\lib\paramiko
copying paramiko\common.py -> build\lib\paramiko
copying paramiko\compress.py -> build\lib\paramiko
copying paramiko\config.py -> build\lib\paramiko
copying paramiko\dsskey.py -> build\lib\paramiko
copying paramiko\file.py -> build\lib\paramiko
copying paramiko\hostkeys.py -> build\lib\paramiko
copying paramiko\kex_gex.py -> build\lib\paramiko
copying paramiko\kex_group1.py -> build\lib\paramiko
copying paramiko\logging22.py -> build\lib\paramiko
copying paramiko\message.py -> build\lib\paramiko
copying paramiko\packet.py -> build\lib\paramiko
copying paramiko\pipe.py -> build\lib\paramiko
copying paramiko\pkey.py -> build\lib\paramiko
copying paramiko\primes.py -> build\lib\paramiko
copying paramiko\resource.py -> build\lib\paramiko
copying paramiko\rsakey.py -> build\lib\paramiko
copying paramiko\server.py -> build\lib\paramiko
copying paramiko\sftp.py -> build\lib\paramiko
copying paramiko\sftp_attr.py -> build\lib\paramiko
copying paramiko\sftp_client.py -> build\lib\paramiko
copying paramiko\sftp_file.py -> build\lib\paramiko
copying paramiko\sftp_handle.py -> build\lib\paramiko
copying paramiko\sftp_server.py -> build\lib\paramiko
copying paramiko\sftp_si.py -> build\lib\paramiko
copying paramiko\ssh_exception.py -> build\lib\paramiko
copying paramiko\transport.py -> build\lib\paramiko
copying paramiko\util.py -> build\lib\paramiko
copying paramiko\win_pageant.py -> build\lib\paramiko
copying paramiko\__init__.py -> build\lib\paramiko
running install_lib
creating F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\agent.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\auth_handler.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\ber.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\buffered_pipe.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\channel.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\client.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\common.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\compress.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\config.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\dsskey.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\file.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\hostkeys.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\kex_gex.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\kex_group1.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\logging22.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\message.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\packet.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\pipe.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\pkey.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\primes.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\resource.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\rsakey.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\server.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp_attr.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp_client.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp_file.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp_handle.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp_server.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\sftp_si.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\ssh_exception.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\transport.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\util.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\win_pageant.py -> F:\Software\Python27\Lib\site-packages\paramiko
copying build\lib\paramiko\__init__.py -> F:\Software\Python27\Lib\site-packages\paramiko
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\agent.py to agent.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\auth_handler.py to auth_handler.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\ber.py to ber.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\buffered_pipe.py to buffered_pipe.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\channel.py to channel.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\client.py to client.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\common.py to common.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\compress.py to compress.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\config.py to config.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\dsskey.py to dsskey.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\file.py to file.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\hostkeys.py to hostkeys.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\kex_gex.py to kex_gex.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\kex_group1.py to kex_group1.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\logging22.py to logging22.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\message.py to message.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\packet.py to packet.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\pipe.py to pipe.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\pkey.py to pkey.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\primes.py to primes.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\resource.py to resource.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\rsakey.py to rsakey.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\server.py to server.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp.py to sftp.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp_attr.py to sftp_attr.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp_client.py to sftp_client.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp_file.py to sftp_file.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp_handle.py to sftp_handle.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp_server.py to sftp_server.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\sftp_si.py to sftp_si.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\ssh_exception.py to ssh_exception.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\transport.py to transport.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\util.py to util.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\win_pageant.py to win_pageant.pyc
byte-compiling F:\Software\Python27\Lib\site-packages\paramiko\__init__.py to __init__.pyc
running install_egg_info
Writing F:\Software\Python27\Lib\site-packages\paramiko-1.7.7.1-py2.7.egg-info