完全兼容系统cp特性
支持文件和目录断点续传，显示速度，进度，大小等等信息。替换系统cp。
代码：
#!/usr/bin/python#coding:u8#-------------------------------------------------------------------------------# Name: mcp# Author: xk# Created: 02/09/2013#-------------------------------------------------------------------------------import osimport sysimport reimport platformimport timeclass Mfile(object): def __init__(self,pfile,mode): self.file_dir = os.path.dirname(pfile) self.file_name = os.path.basename(pfile) self.file_path = os.path.abspath(pfile) self.file_mode = mode self.file_md5 = 'md5' self.file_uptime = 0 self.file_uptime_size = 0 if os.path.isfile(pfile): self.file_size = os.path.getsize(pfile) else: self.file_size = 0 if self.file_size > 2000: self.file_get_size = self.file_size - 1000 self.file_buffer_size = 1000 else: self.file_get_size = self.file_size self.file_buffer_size = self.file_size try: self.file_open=open(self.file_path,self.file_mode) except Exception,e: open_status=1 print e sys.exit() def move_tell(self,number): pass def __del__(self): passdef fcp(s , d , show_size_on = 0 ): c=10485760 sfile = Mfile(s,'rb') dfile = Mfile(d,'ab+') #修正指针偏移 if sfile.file_size != 0: if (sfile.file_size != dfile.file_size) and ( dfile.file_size != 0): dfile.file_open.seek(dfile.file_get_size,0) sfile.file_open.seek(dfile.file_get_size,0) if dfile.file_open.read(dfile.file_buffer_size) == sfile.file_open.read(dfile.file_buffer_size): sfile.file_open.seek(dfile.file_size,0) dfile.file_open.seek(0,2) elif( 'yes' == raw_input('overwrite '+dfile.file_name+' [yes/no]:') ): dfile.file_open.close() dfile=Mfile(d,'wb+') sfile.file_open.seek(0,0) else: sfile.file_open.seek(0,2) dfile.file_open.seek(0,2) elif sfile.file_size == dfile.file_size : print 'File exists:',dfile.file_path, sfile.file_open.seek(0,2) #开始复制 dfile.file_uptime=time.time() dfile_tell = sfile.file_open.tell() if ( sfile.file_size == 0 ): print (sfile.file_name)+' '*(50 - len(sfile.file_name)),'100% ['+ ('*'*50) +'] 0.0MB/s | 0.0KB' else: while(sfile.file_open.tell() != sfile.file_size ): buffer=sfile.file_open.read(c) dfile.file_open.write(buffer) if ( show_size_on == 1 ): dfile.file_uptime_size = ( sfile.file_open.tell() - dfile_tell ) / (time.time() - dfile.file_uptime) show_size( sfile.file_size , sfile.file_open.tell() , dfile.file_name , dfile.file_uptime_size) #time.sleep(0.2) else: print '' del sfile del dfiledef dcp(s,d,jc=0,mshow=0): s = os.path.abspath(s) d = os.path.abspath(d) if ( s == d ) or ( s == d+'/'+os.path.basename(s) ): print 'cp :','\''+s+'\'','and','\''+d+'\'',': are the same file' sys.exit() #文件 elif os.path.isfile(s): if os.path.isfile(d): fcp(s,d, show_size_on = mshow) elif os.path.isdir(d): d = d+'/'+os.path.basename(s) fcp(s,d, show_size_on = mshow) elif os.path.isdir( os.path.dirname(d)): fcp(s,d, show_size_on = mshow) else: print 'Not found file:',d #目录递归 elif os.path.isdir(s) : if (os.path.isfile(d)): print 'cp :','\''+s+'\'','and','\''+d+'\'',': are the same file' sys.exit() elif not os.access(s,os.R_OK): print d,': Permission denied' sys.exit() elif s in d: print '\''+s+'\'','to','\''+d+'\'',": File error" sys.exit() #确定目标文件夹根路径（只调用一次） elif ( jc == 0 ): jc += 1 if os.path.isdir(d): d = d+'/'+ os.path.basename(s) if os.path.isdir( os.path.dirname(d)): if not os.path.isdir(d): os.mkdir(d) else: print 'Not found :',os.path.dirname(d) sys.exit() for x in os.listdir(s): dcp(s+'/'+x ,d+'/'+x , jc ,mshow = mshow ) elif not os.path.exists(s): print s,': No such file or directory'def show_size(total_size , tail_size , filename , minute_size): filename = (filename)+' '*(50 - len(filename)) #百分比 if ( tail_size != total_size ): rate = (float(tail_size) / float(total_size) * 100) rate_sum = '%d%s' % (rate,'%') else: rate_sum = str(100)+'%' #进度条 jd_size = '*' * (int(float(tail_size) / float(total_size) * 50)) jd_size = '[%s%s]' % (jd_size , (' ' * (50 - len(jd_size)))) #速度 i=0 #minute_size = minute_size / 2 while ( minute_size >= 1024 and i <= 2): minute_size = float(minute_size) / float(1024) i = i + 1 else: if i == 0: minute_size = str(round(minute_size,1)) + 'k/s' elif i == 1: minute_size = str(round(minute_size,1)) + 'kB/s' elif i == 2: minute_size = str(round(minute_size,1)) + 'MB/s' minute_size = '%s%s' % ( minute_size , ( ' ' * (10 - len(str(minute_size)) ))) #已经复制大小 i=0 while ( tail_size >= 1024 and i < 2): tail_size = float(tail_size) / float(1024) i = i+1 else: if i == 0 : tail_size = str(round(tail_size))+'K' elif i == 1: tail_size = str(round(tail_size))+'KB' elif i == 2: tail_size = str(round(tail_size))+'M' print '\r',filename , rate_sum , jd_size , minute_size , '|' , tail_size, ' ', sys.stdout.flush()if __name__ == '__main__': sys_type=platform.system() if ( sys_type == 'Windows'): sfile=raw_input('source File:') dfile=raw_input('destination File:') try: dcp(sfile,dfile) except KeyboardInterrupt: sys.exit() os.system('pause') else: filelist=[] for x in sys.argv[1:]: if not re.match('-(.*)$', x): filelist.append(x) if ( len(filelist) == 2 ): try: dcp( filelist[0] , filelist[1] , mshow = 1) except KeyboardInterrupt: sys.exit() else: print '[ERROR]' print ' example :[ cp sfile dfile ]'