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'; 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_tokens: 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 .
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 OSError as e:
              raise DistutilsFileError("could not open '%s': %s" % (src, e.strerror))
  
          if os.path.exists(dst):
              try:
                  os.unlink(dst)
              except OSError as e:
                  raise DistutilsFileError(
                        "could not delete '%s': %s" % (dst, e.strerror))
  
          try:
              fdst = open(dst, 'wb')
          except OSError as e:
              raise DistutilsFileError(
                    "could not create '%s': %s" % (dst, e.strerror))
  
          while True:
              try:
                  buf = fsrc.read(buffer_size)
              except OSError as e:
                  raise DistutilsFileError(
                        "could not read from '%s': %s" % (src, e.strerror))
  
              if not buf:
                  break
  
              try:
                  fdst.write(buf)
              except OSError as e:
                  raise DistutilsFileError(
                        "could not write to '%s': %s" % (dst, e.strerror))
      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 OSError as e : raise DistutilsFileError ( "could not open '%s': %s" % ( src , e . strerror ) ) if os . path . exists ( dst ) : try : os . unlink ( dst ) except OSError as e : raise DistutilsFileError ( "could not delete '%s': %s" % ( dst , e . strerror ) ) try : fdst = open ( dst , 'wb' ) except OSError as e : raise DistutilsFileError ( "could not create '%s': %s" % ( dst , e . strerror ) ) while True : try : buf = fsrc . read ( buffer_size ) except OSError as e : raise DistutilsFileError ( "could not read from '%s': %s" % ( src , e . strerror ) ) if not buf : break try : fdst . write ( buf ) except OSError as e : raise DistutilsFileError ( "could not write to '%s': %s" % ( dst , e . strerror ) ) finally : if fdst : fdst . close ( ) if fsrc : fsrc . close ( )