parameters: (self, filename=None, file=None, **options)
docstring: Construct a new TextFile object.  At least one of 'filename'
             (a string) and 'file' (a file-like object) must be supplied.
             They keyword argument options are described above and affect
             the values returned by 'readline()'.
docstring_summary: Construct a new TextFile object.  At least one of 'filename'
             (a string) and 'file' (a file-like object) must be supplied.
             They keyword argument options are described above and affect
             the values returned by 'readline()'.
docstring_tokens: Construct a new TextFile object . At least one of filename ( a string ) and file ( a file - like object ) must be supplied . They keyword argument options are described above and affect the values returned by readline () .
function: def __init__ (self, filename=None, file=None, **options):
          """Construct a new TextFile object.  At least one of 'filename'
             (a string) and 'file' (a file-like object) must be supplied.
             They keyword argument options are described above and affect
             the values returned by 'readline()'."""
  
          if filename is None and file is None:
              raise RuntimeError, \
                    "you must supply either or both of 'filename' and 'file'"
  
          # set values for all options -- either from client option hash
          # or fallback to default_options
          for opt in self.default_options.keys():
              if opt in options:
                  setattr (self, opt, options[opt])
  
              else:
                  setattr (self, opt, self.default_options[opt])
  
          # sanity check client option hash
          for opt in options.keys():
              if opt not in self.default_options:
                  raise KeyError, "invalid TextFile option '%s'" % opt
  
          if file is None:
              self.open (filename)
          else:
              self.filename = filename
              self.file = file
              self.current_line = 0       # assuming that file is at BOF!
  
          # 'linebuf' is a stack of lines that will be emptied before we
          # actually read from the file; it's only populated by an
          # 'unreadline()' operation
          self.linebuf = []
function_tokens: def __init__ ( self , filename = None , file = None , * * options ) : if filename is None and file is None : raise RuntimeError , "you must supply either or both of 'filename' and 'file'" # set values for all options -- either from client option hash # or fallback to default_options for opt in self . default_options . keys ( ) : if opt in options : setattr ( self , opt , options [ opt ] ) else : setattr ( self , opt , self . default_options [ opt ] ) # sanity check client option hash for opt in options . keys ( ) : if opt not in self . default_options : raise KeyError , "invalid TextFile option '%s'" % opt if file is None : self . open ( filename ) else : self . filename = filename self . file = file self . current_line = 0 # assuming that file is at BOF! # 'linebuf' is a stack of lines that will be emptied before we # actually read from the file; it's only populated by an # 'unreadline()' operation self . linebuf = [ ]