parameters: (src, dst, buffer_size=16*1024)
docstring: Copy the file 'src' to 'dst'.
  
      Both must be filenames. Any error opening either file, reading from
      'src', or writing to 'dst', raises DistutilsFileError.  Data is
      read/written in chunks of 'buffer_size' bytes (default 16k).  No attempt
      is made to handle anything apart from regular files.
docstring_summary: Copy the file 'src' to 'dst'.
docstring_tokens: Copy the file src to dst .
function: def _copy_file_contents(src, dst, buffer_size=16*1024):
      """Copy the file 'src' to 'dst'.
  
      Both must be filenames. Any error opening either file, reading from
      'src', or writing to 'dst', raises DistutilsFileError.  Data is
      read/written in chunks of 'buffer_size' bytes (default 16k).  No attempt
      is made to handle anything apart from regular files.
      """
      # Stolen from shutil module in the standard library, but with
      # custom error-handling added.
      fsrc = None
      fdst = None
      try:
          try:
              fsrc = open(src, 'rb')
          except os.error, (errno, errstr):
              raise DistutilsFileError("could not open '%s': %s" % (src, errstr))
  
          if os.path.exists(dst):
              try:
                  os.unlink(dst)
              except os.error, (errno, errstr):
                  raise DistutilsFileError(
                        "could not delete '%s': %s" % (dst, errstr))
  
          try:
              fdst = open(dst, 'wb')
          except os.error, (errno, errstr):
              raise DistutilsFileError(
                    "could not create '%s': %s" % (dst, errstr))
  
          while 1:
              try:
                  buf = fsrc.read(buffer_size)
              except os.error, (errno, errstr):
                  raise DistutilsFileError(
                        "could not read from '%s': %s" % (src, errstr))
  
              if not buf:
                  break
  
              try:
                  fdst.write(buf)
              except os.error, (errno, errstr):
                  raise DistutilsFileError(
                        "could not write to '%s': %s" % (dst, errstr))
  
      finally:
          if fdst:
              fdst.close()
          if fsrc:
              fsrc.close()
function_tokens: def _copy_file_contents ( src , dst , buffer_size = 16 * 1024 ) : # Stolen from shutil module in the standard library, but with # custom error-handling added. fsrc = None fdst = None try : try : fsrc = open ( src , 'rb' ) except os . error , ( errno , errstr ) : raise DistutilsFileError ( "could not open '%s': %s" % ( src , errstr ) ) if os . path . exists ( dst ) : try : os . unlink ( dst ) except os . error , ( errno , errstr ) : raise DistutilsFileError ( "could not delete '%s': %s" % ( dst , errstr ) ) try : fdst = open ( dst , 'wb' ) except os . error , ( errno , errstr ) : raise DistutilsFileError ( "could not create '%s': %s" % ( dst , errstr ) ) while 1 : try : buf = fsrc . read ( buffer_size ) except os . error , ( errno , errstr ) : raise DistutilsFileError ( "could not read from '%s': %s" % ( src , errstr ) ) if not buf : break try : fdst . write ( buf ) except os . error , ( errno , errstr ) : raise DistutilsFileError ( "could not write to '%s': %s" % ( dst , errstr ) ) finally : if fdst : fdst . close ( ) if fsrc : fsrc . close ( )