Enable TAB completion for the simple REPL as well

src/calibre/utils/ipython.py

@@ -15,9 +15,107 @@ ipydir = os.path.join(cache_dir(), 'ipython')
 BANNER = ('Welcome to the interactive calibre shell!\n')
 
 def setup_pyreadline():
+    config = '''
+#Bind keys for exit (keys only work on empty lines
+#disable_readline(True)		#Disable pyreadline completely.
+from __future__ import print_function, unicode_literals, absolute_import
+debug_output("off")             #"on" saves log info to./pyreadline_debug_log.txt
+                                #"on_nologfile" only enables print warning messages
+bind_exit_key("Control-d")
+bind_exit_key("Control-z")
+
+#Commands for moving
+bind_key("Home",                "beginning_of_line")
+bind_key("End",                 "end_of_line")
+bind_key("Left",                "backward_char")
+bind_key("Control-b",           "backward_char")
+bind_key("Right",               "forward_char")
+bind_key("Control-f",           "forward_char")
+bind_key("Alt-f",               "forward_word")
+bind_key("Alt-b",               "backward_word")
+bind_key("Clear",               "clear_screen")
+bind_key("Control-l",           "clear_screen")
+bind_key("Control-a",           "beginning_of_line")
+bind_key("Control-e",           "end_of_line")
+#bind_key("Control-l",          "redraw_current_line")
+
+#Commands for Manipulating the History
+bind_key("Return",              "accept_line")
+bind_key("Control-p",           "previous_history")
+bind_key("Control-n",           "next_history")
+bind_key("Up",                  "history_search_backward")
+bind_key("Down",                "history_search_forward")
+bind_key("Alt-<",               "beginning_of_history")
+bind_key("Alt->",               "end_of_history")
+bind_key("Control-r",           "reverse_search_history")
+bind_key("Control-s",           "forward_search_history")
+bind_key("Alt-p",               "non_incremental_reverse_search_history")
+bind_key("Alt-n",               "non_incremental_forward_search_history")
+
+bind_key("Control-z",           "undo")
+bind_key("Control-_",           "undo")
+
+#Commands for Changing Text
+bind_key("Delete",              "delete_char")
+bind_key("Control-d",           "delete_char")
+bind_key("BackSpace",           "backward_delete_char")
+#bind_key("Control-Shift-v",    "quoted_insert")
+bind_key("Control-space",       "self_insert")
+bind_key("Control-BackSpace",   "backward_delete_word")
+
+#Killing and Yanking
+bind_key("Control-k",           "kill_line")
+bind_key("Control-shift-k",     "kill_whole_line")
+bind_key("Escape",              "kill_whole_line")
+bind_key("Meta-d",              "kill_word")
+bind_key("Control-w",           "unix_word_rubout")
+#bind_key("Control-Delete",     "forward_kill_word")
+
+#Copy paste
+bind_key("Shift-Right",         "forward_char_extend_selection")
+bind_key("Shift-Left",          "backward_char_extend_selection")
+bind_key("Shift-Control-Right", "forward_word_extend_selection")
+bind_key("Shift-Control-Left",  "backward_word_extend_selection")
+bind_key("Control-m",           "set_mark")
+
+bind_key("Control-Shift-x",     "copy_selection_to_clipboard")
+#bind_key("Control-c",           "copy_selection_to_clipboard")  #Needs allow_ctrl_c(True) below to be uncommented
+bind_key("Control-q",           "copy_region_to_clipboard")
+bind_key('Control-Shift-v',     "paste_mulitline_code")
+bind_key("Control-x",           "cut_selection_to_clipboard")
+
+bind_key("Control-v",           "paste")
+bind_key("Control-y",           "yank")
+bind_key("Alt-v",               "ipython_paste")
+
+#Unbinding keys:
+#un_bind_key("Home")
+
+#Other
+bell_style("none") #modes: none, audible, visible(not implemented)
+show_all_if_ambiguous("on")
+mark_directories("on")
+completer_delims(" \t\n\"\\'`@$><=;|&{(?")
+complete_filesystem("on")
+debug_output("off")
+#allow_ctrl_c(True)  #(Allows use of ctrl-c as copy key, still propagate keyboardinterrupt when not waiting for input)
+
+history_filename(%r)
+history_length(2000) #value of -1 means no limit
+
+#set_mode("vi")  #will cause following bind_keys to bind to vi mode as well as activate vi mode
+#ctrl_c_tap_time_interval(0.3)
+    '''
     try:
         import pyreadline.rlmain
-        #pyreadline.rlmain.config_path=r"c:\xxx\pyreadlineconfig.ini"
+        if not os.path.exists(ipydir):
+            os.makedirs(ipydir)
+        conf = os.path.join(ipydir, 'pyreadline.txt')
+        hist = os.path.join(ipydir, 'history.txt')
+        config = config % hist
+        with open(conf, 'wb') as f:
+            f.write(config.encode('utf-8'))
+        pyreadline.rlmain.config_path = conf
         import readline, atexit
         import pyreadline.unicode_helper  # noqa
         #Normally the codepage for pyreadline is set to be sys.stdout.encoding
@@ -47,10 +145,16 @@ def simple_repl(user_ns={}):
         setup_pyreadline()
     else:
         try:
+            import rlcompleter  # noqa
             import readline  # noqa
+            readline.parse_and_bind("tab: complete")
         except ImportError:
             pass
 
+    user_ns = user_ns or {}
+    import sys, re  # noqa
+    for x in ('os', 'sys', 're'):
+        user_ns[x] = user_ns.get(x, globals().get(x, locals().get(x)))
     import code
     code.interact(BANNER, raw_input, user_ns)