import rlcompleter import sys import os # From https://github.com/python/cpython/blob/v3.7.0b5/Lib/site.py#L436 # Changing the history file def register_readline(): import atexit try: import readline import rlcompleter except ImportError: return # Reading the initialization (config) file may not be enough to set a # completion key, so we set one first and then read the file. readline_doc = getattr(readline, '__doc__', '') if readline_doc is not None and 'libedit' in readline_doc: readline.parse_and_bind('bind ^I rl_complete') else: readline.parse_and_bind('tab: complete') try: readline.read_init_file() except OSError: # An OSError here could have many causes, but the most likely one # is that there's no .inputrc file (or .editrc file in the case of # Mac OS X + libedit) in the expected location. In that case, we # want to ignore the exception. pass if readline.get_current_history_length() == 0: # If no history was loaded, default to .python_history. # The guard is necessary to avoid doubling history size at # each interpreter exit when readline was already configured # through a PYTHONSTARTUP hook, see: # http://bugs.python.org/issue5845#msg198636 history = os.path.join(os.path.expanduser('~'), '.cache/python_history') try: readline.read_history_file(history) except OSError: pass atexit.register(readline.write_history_file, history) sys.__interactivehook__ = register_readline