Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 1 | import io |
Kurt B. Kaiser | 49a5fe1 | 2004-07-04 01:25:56 +0000 | [diff] [blame] | 2 | import linecache |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 3 | import queue |
| 4 | import sys |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 5 | import time |
| 6 | import traceback |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 7 | import _thread as thread |
| 8 | import threading |
| 9 | import warnings |
Kurt B. Kaiser | 5afa1df | 2002-10-10 08:25:24 +0000 | [diff] [blame] | 10 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 11 | import tkinter # Tcl, deletions, messagebox if startup fails |
Kurt B. Kaiser | b175445 | 2005-11-18 22:05:48 +0000 | [diff] [blame] | 12 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 13 | from idlelib import autocomplete # AutoComplete, fetch_encodings |
Terry Jan Reedy | 06e2029 | 2018-06-19 23:00:35 -0400 | [diff] [blame] | 14 | from idlelib import calltip # Calltip |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 15 | from idlelib import debugger_r # start_debugger |
| 16 | from idlelib import debugobj_r # remote_object_tree_item |
| 17 | from idlelib import iomenu # encoding |
| 18 | from idlelib import rpc # multiple objects |
| 19 | from idlelib import stackviewer # StackTreeItem |
Kurt B. Kaiser | 5afa1df | 2002-10-10 08:25:24 +0000 | [diff] [blame] | 20 | import __main__ |
| 21 | |
Terry Jan Reedy | ff1d5ab | 2016-07-16 18:26:32 -0400 | [diff] [blame] | 22 | for mod in ('simpledialog', 'messagebox', 'font', |
| 23 | 'dialog', 'filedialog', 'commondialog', |
Terry Jan Reedy | 41bc067 | 2016-07-16 18:27:11 -0400 | [diff] [blame] | 24 | 'ttk'): |
Terry Jan Reedy | ff1d5ab | 2016-07-16 18:26:32 -0400 | [diff] [blame] | 25 | delattr(tkinter, mod) |
| 26 | del sys.modules['tkinter.' + mod] |
| 27 | |
Kurt B. Kaiser | 24d7e0c | 2003-06-05 23:51:29 +0000 | [diff] [blame] | 28 | LOCALHOST = '127.0.0.1' |
| 29 | |
Kurt B. Kaiser | 49a5fe1 | 2004-07-04 01:25:56 +0000 | [diff] [blame] | 30 | |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 31 | def idle_formatwarning(message, category, filename, lineno, line=None): |
| 32 | """Format warnings the IDLE way.""" |
| 33 | |
| 34 | s = "\nWarning (from warnings module):\n" |
| 35 | s += ' File \"%s\", line %s\n' % (filename, lineno) |
| 36 | if line is None: |
| 37 | line = linecache.getline(filename, lineno) |
| 38 | line = line.strip() |
| 39 | if line: |
| 40 | s += " %s\n" % line |
| 41 | s += "%s: %s\n" % (category.__name__, message) |
| 42 | return s |
| 43 | |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 44 | def idle_showwarning_subproc( |
| 45 | message, category, filename, lineno, file=None, line=None): |
| 46 | """Show Idle-format warning after replacing warnings.showwarning. |
Andrew Svetlov | a2251aa | 2012-03-13 18:36:13 -0700 | [diff] [blame] | 47 | |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 48 | The only difference is the formatter called. |
| 49 | """ |
| 50 | if file is None: |
| 51 | file = sys.stderr |
| 52 | try: |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 53 | file.write(idle_formatwarning( |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 54 | message, category, filename, lineno, line)) |
Serhiy Storchaka | 55fe1ae | 2017-04-16 10:46:38 +0300 | [diff] [blame] | 55 | except OSError: |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 56 | pass # the file (probably stderr) is invalid - this warning gets lost. |
| 57 | |
| 58 | _warnings_showwarning = None |
| 59 | |
| 60 | def capture_warnings(capture): |
| 61 | "Replace warning.showwarning with idle_showwarning_subproc, or reverse." |
| 62 | |
| 63 | global _warnings_showwarning |
| 64 | if capture: |
| 65 | if _warnings_showwarning is None: |
| 66 | _warnings_showwarning = warnings.showwarning |
| 67 | warnings.showwarning = idle_showwarning_subproc |
| 68 | else: |
| 69 | if _warnings_showwarning is not None: |
| 70 | warnings.showwarning = _warnings_showwarning |
| 71 | _warnings_showwarning = None |
| 72 | |
| 73 | capture_warnings(True) |
Andrew Svetlov | 753445a | 2012-03-26 21:56:44 +0300 | [diff] [blame] | 74 | tcl = tkinter.Tcl() |
| 75 | |
Andrew Svetlov | 753445a | 2012-03-26 21:56:44 +0300 | [diff] [blame] | 76 | def handle_tk_events(tcl=tcl): |
Andrew Svetlov | a2251aa | 2012-03-13 18:36:13 -0700 | [diff] [blame] | 77 | """Process any tk events that are ready to be dispatched if tkinter |
| 78 | has been imported, a tcl interpreter has been created and tk has been |
| 79 | loaded.""" |
Andrew Svetlov | 753445a | 2012-03-26 21:56:44 +0300 | [diff] [blame] | 80 | tcl.eval("update") |
Andrew Svetlov | a2251aa | 2012-03-13 18:36:13 -0700 | [diff] [blame] | 81 | |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 82 | # Thread shared globals: Establish a queue between a subthread (which handles |
| 83 | # the socket) and the main thread (which runs user code), plus global |
Guido van Rossum | 8ce8a78 | 2007-11-01 19:42:39 +0000 | [diff] [blame] | 84 | # completion, exit and interruptable (the main thread) flags: |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 85 | |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 86 | exit_now = False |
| 87 | quitting = False |
Guido van Rossum | 8ce8a78 | 2007-11-01 19:42:39 +0000 | [diff] [blame] | 88 | interruptable = False |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 89 | |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 90 | def main(del_exitfunc=False): |
Kurt B. Kaiser | b417936 | 2002-07-26 00:06:42 +0000 | [diff] [blame] | 91 | """Start the Python execution server in a subprocess |
| 92 | |
Kurt B. Kaiser | 5afa1df | 2002-10-10 08:25:24 +0000 | [diff] [blame] | 93 | In the Python subprocess, RPCServer is instantiated with handlerclass |
| 94 | MyHandler, which inherits register/unregister methods from RPCHandler via |
| 95 | the mix-in class SocketIO. |
Kurt B. Kaiser | b417936 | 2002-07-26 00:06:42 +0000 | [diff] [blame] | 96 | |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 97 | When the RPCServer 'server' is instantiated, the TCPServer initialization |
Kurt B. Kaiser | 5afa1df | 2002-10-10 08:25:24 +0000 | [diff] [blame] | 98 | creates an instance of run.MyHandler and calls its handle() method. |
| 99 | handle() instantiates a run.Executive object, passing it a reference to the |
| 100 | MyHandler object. That reference is saved as attribute rpchandler of the |
| 101 | Executive instance. The Executive methods have access to the reference and |
| 102 | can pass it on to entities that they command |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 103 | (e.g. debugger_r.Debugger.start_debugger()). The latter, in turn, can |
Kurt B. Kaiser | 5afa1df | 2002-10-10 08:25:24 +0000 | [diff] [blame] | 104 | call MyHandler(SocketIO) register/unregister methods via the reference to |
| 105 | register and unregister themselves. |
Kurt B. Kaiser | b417936 | 2002-07-26 00:06:42 +0000 | [diff] [blame] | 106 | |
| 107 | """ |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 108 | global exit_now |
| 109 | global quitting |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 110 | global no_exitfunc |
| 111 | no_exitfunc = del_exitfunc |
Kurt B. Kaiser | af3eb87 | 2004-01-21 18:54:30 +0000 | [diff] [blame] | 112 | #time.sleep(15) # test subprocess not responding |
Kurt B. Kaiser | e67842a | 2009-04-04 20:13:23 +0000 | [diff] [blame] | 113 | try: |
| 114 | assert(len(sys.argv) > 1) |
| 115 | port = int(sys.argv[-1]) |
| 116 | except: |
Kurt B. Kaiser | 8fc98c3 | 2009-04-04 20:20:29 +0000 | [diff] [blame] | 117 | print("IDLE Subprocess: no IP port passed in sys.argv.", |
| 118 | file=sys.__stderr__) |
Kurt B. Kaiser | e67842a | 2009-04-04 20:13:23 +0000 | [diff] [blame] | 119 | return |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 120 | |
| 121 | capture_warnings(True) |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 122 | sys.argv[:] = [""] |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 123 | sockthread = threading.Thread(target=manage_socket, |
| 124 | name='SockThread', |
Kurt B. Kaiser | 24d7e0c | 2003-06-05 23:51:29 +0000 | [diff] [blame] | 125 | args=((LOCALHOST, port),)) |
Benjamin Peterson | 71088cc | 2008-09-19 21:49:37 +0000 | [diff] [blame] | 126 | sockthread.daemon = True |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 127 | sockthread.start() |
| 128 | while 1: |
| 129 | try: |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 130 | if exit_now: |
| 131 | try: |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 132 | exit() |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 133 | except KeyboardInterrupt: |
| 134 | # exiting but got an extra KBI? Try again! |
| 135 | continue |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 136 | try: |
Terry Jan Reedy | 1e2fcac | 2017-12-04 16:16:18 -0500 | [diff] [blame] | 137 | request = rpc.request_queue.get(block=True, timeout=0.05) |
Alexandre Vassalotti | f260e44 | 2008-05-11 19:59:59 +0000 | [diff] [blame] | 138 | except queue.Empty: |
Terry Jan Reedy | 1e2fcac | 2017-12-04 16:16:18 -0500 | [diff] [blame] | 139 | request = None |
| 140 | # Issue 32207: calling handle_tk_events here adds spurious |
| 141 | # queue.Empty traceback to event handling exceptions. |
| 142 | if request: |
| 143 | seq, (method, args, kwargs) = request |
| 144 | ret = method(*args, **kwargs) |
| 145 | rpc.response_queue.put((seq, ret)) |
| 146 | else: |
Andrew Svetlov | a2251aa | 2012-03-13 18:36:13 -0700 | [diff] [blame] | 147 | handle_tk_events() |
Kurt B. Kaiser | aa6b856 | 2003-05-14 18:15:40 +0000 | [diff] [blame] | 148 | except KeyboardInterrupt: |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 149 | if quitting: |
| 150 | exit_now = True |
Kurt B. Kaiser | aa6b856 | 2003-05-14 18:15:40 +0000 | [diff] [blame] | 151 | continue |
Kurt B. Kaiser | a2792be | 2003-05-17 21:04:10 +0000 | [diff] [blame] | 152 | except SystemExit: |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 153 | capture_warnings(False) |
Kurt B. Kaiser | a2792be | 2003-05-17 21:04:10 +0000 | [diff] [blame] | 154 | raise |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 155 | except: |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 156 | type, value, tb = sys.exc_info() |
Kurt B. Kaiser | a2792be | 2003-05-17 21:04:10 +0000 | [diff] [blame] | 157 | try: |
| 158 | print_exception() |
| 159 | rpc.response_queue.put((seq, None)) |
| 160 | except: |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 161 | # Link didn't work, print same exception to __stderr__ |
| 162 | traceback.print_exception(type, value, tb, file=sys.__stderr__) |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 163 | exit() |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 164 | else: |
| 165 | continue |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 166 | |
| 167 | def manage_socket(address): |
Kurt B. Kaiser | af3eb87 | 2004-01-21 18:54:30 +0000 | [diff] [blame] | 168 | for i in range(3): |
Kurt B. Kaiser | b417936 | 2002-07-26 00:06:42 +0000 | [diff] [blame] | 169 | time.sleep(i) |
| 170 | try: |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 171 | server = MyRPCServer(address, MyHandler) |
Kurt B. Kaiser | b417936 | 2002-07-26 00:06:42 +0000 | [diff] [blame] | 172 | break |
Andrew Svetlov | 0832af6 | 2012-12-18 23:10:48 +0200 | [diff] [blame] | 173 | except OSError as err: |
| 174 | print("IDLE Subprocess: OSError: " + err.args[1] + |
Georg Brandl | 6464d47 | 2007-10-22 16:16:13 +0000 | [diff] [blame] | 175 | ", retrying....", file=sys.__stderr__) |
Amaury Forgeot d'Arc | efae8c4 | 2008-11-21 23:08:09 +0000 | [diff] [blame] | 176 | socket_error = err |
Kurt B. Kaiser | b417936 | 2002-07-26 00:06:42 +0000 | [diff] [blame] | 177 | else: |
Amaury Forgeot d'Arc | efae8c4 | 2008-11-21 23:08:09 +0000 | [diff] [blame] | 178 | print("IDLE Subprocess: Connection to " |
| 179 | "IDLE GUI failed, exiting.", file=sys.__stderr__) |
| 180 | show_socket_error(socket_error, address) |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 181 | global exit_now |
| 182 | exit_now = True |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 183 | return |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 184 | server.handle_request() # A single request only |
| 185 | |
Kurt B. Kaiser | af3eb87 | 2004-01-21 18:54:30 +0000 | [diff] [blame] | 186 | def show_socket_error(err, address): |
terryjreedy | 188aedf | 2017-06-13 21:32:16 -0400 | [diff] [blame] | 187 | "Display socket error from manage_socket." |
Georg Brandl | 14fc427 | 2008-05-17 18:39:55 +0000 | [diff] [blame] | 188 | import tkinter |
terryjreedy | 188aedf | 2017-06-13 21:32:16 -0400 | [diff] [blame] | 189 | from tkinter.messagebox import showerror |
Georg Brandl | 14fc427 | 2008-05-17 18:39:55 +0000 | [diff] [blame] | 190 | root = tkinter.Tk() |
Serhiy Storchaka | a96c96f | 2017-09-21 11:20:06 +0300 | [diff] [blame] | 191 | fix_scaling(root) |
Kurt B. Kaiser | af3eb87 | 2004-01-21 18:54:30 +0000 | [diff] [blame] | 192 | root.withdraw() |
terryjreedy | 188aedf | 2017-06-13 21:32:16 -0400 | [diff] [blame] | 193 | msg = f"IDLE's subprocess can't connect to {address[0]}:{address[1]}.\n"\ |
| 194 | f"Fatal OSError #{err.errno}: {err.strerror}.\n"\ |
| 195 | f"See the 'Startup failure' section of the IDLE doc, online at\n"\ |
| 196 | f"https://docs.python.org/3/library/idle.html#startup-failure" |
| 197 | showerror("IDLE Subprocess Error", msg, parent=root) |
Kurt B. Kaiser | af3eb87 | 2004-01-21 18:54:30 +0000 | [diff] [blame] | 198 | root.destroy() |
| 199 | |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 200 | def print_exception(): |
Kurt B. Kaiser | e9802a3 | 2004-01-02 04:04:04 +0000 | [diff] [blame] | 201 | import linecache |
| 202 | linecache.checkcache() |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 203 | flush_stdout() |
| 204 | efile = sys.stderr |
Kurt B. Kaiser | 924f616 | 2003-11-19 04:52:32 +0000 | [diff] [blame] | 205 | typ, val, tb = excinfo = sys.exc_info() |
| 206 | sys.last_type, sys.last_value, sys.last_traceback = excinfo |
Serhiy Storchaka | 78470b4 | 2013-01-09 12:21:57 +0200 | [diff] [blame] | 207 | seen = set() |
| 208 | |
| 209 | def print_exc(typ, exc, tb): |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 210 | seen.add(id(exc)) |
Serhiy Storchaka | 78470b4 | 2013-01-09 12:21:57 +0200 | [diff] [blame] | 211 | context = exc.__context__ |
| 212 | cause = exc.__cause__ |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 213 | if cause is not None and id(cause) not in seen: |
Serhiy Storchaka | 78470b4 | 2013-01-09 12:21:57 +0200 | [diff] [blame] | 214 | print_exc(type(cause), cause, cause.__traceback__) |
| 215 | print("\nThe above exception was the direct cause " |
| 216 | "of the following exception:\n", file=efile) |
Serhiy Storchaka | 7131749 | 2013-01-09 12:24:48 +0200 | [diff] [blame] | 217 | elif (context is not None and |
| 218 | not exc.__suppress_context__ and |
Zane Bitter | de86073 | 2017-10-17 17:29:39 -0400 | [diff] [blame] | 219 | id(context) not in seen): |
Serhiy Storchaka | 78470b4 | 2013-01-09 12:21:57 +0200 | [diff] [blame] | 220 | print_exc(type(context), context, context.__traceback__) |
| 221 | print("\nDuring handling of the above exception, " |
| 222 | "another exception occurred:\n", file=efile) |
| 223 | if tb: |
| 224 | tbe = traceback.extract_tb(tb) |
| 225 | print('Traceback (most recent call last):', file=efile) |
| 226 | exclude = ("run.py", "rpc.py", "threading.py", "queue.py", |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 227 | "debugger_r.py", "bdb.py") |
Serhiy Storchaka | 78470b4 | 2013-01-09 12:21:57 +0200 | [diff] [blame] | 228 | cleanup_traceback(tbe, exclude) |
| 229 | traceback.print_list(tbe, file=efile) |
| 230 | lines = traceback.format_exception_only(typ, exc) |
| 231 | for line in lines: |
| 232 | print(line, end='', file=efile) |
| 233 | |
| 234 | print_exc(typ, val, tb) |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 235 | |
| 236 | def cleanup_traceback(tb, exclude): |
| 237 | "Remove excluded traces from beginning/end of tb; get cached lines" |
| 238 | orig_tb = tb[:] |
| 239 | while tb: |
| 240 | for rpcfile in exclude: |
| 241 | if tb[0][0].count(rpcfile): |
| 242 | break # found an exclude, break for: and delete tb[0] |
| 243 | else: |
| 244 | break # no excludes, have left RPC code, break while: |
| 245 | del tb[0] |
| 246 | while tb: |
| 247 | for rpcfile in exclude: |
| 248 | if tb[-1][0].count(rpcfile): |
| 249 | break |
| 250 | else: |
| 251 | break |
| 252 | del tb[-1] |
| 253 | if len(tb) == 0: |
| 254 | # exception was in IDLE internals, don't prune! |
| 255 | tb[:] = orig_tb[:] |
Guido van Rossum | be19ed7 | 2007-02-09 05:37:30 +0000 | [diff] [blame] | 256 | print("** IDLE Internal Exception: ", file=sys.stderr) |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 257 | rpchandler = rpc.objecttable['exec'].rpchandler |
| 258 | for i in range(len(tb)): |
| 259 | fn, ln, nm, line = tb[i] |
| 260 | if nm == '?': |
| 261 | nm = "-toplevel-" |
| 262 | if not line and fn.startswith("<pyshell#"): |
| 263 | line = rpchandler.remotecall('linecache', 'getline', |
| 264 | (fn, ln), {}) |
| 265 | tb[i] = fn, ln, nm, line |
| 266 | |
| 267 | def flush_stdout(): |
Guido van Rossum | 79139b2 | 2007-02-09 23:20:19 +0000 | [diff] [blame] | 268 | """XXX How to do this now?""" |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 269 | |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 270 | def exit(): |
Guido van Rossum | c76a250 | 2007-08-09 14:26:58 +0000 | [diff] [blame] | 271 | """Exit subprocess, possibly after first clearing exit functions. |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 272 | |
| 273 | If config-main.cfg/.def 'General' 'delete-exitfunc' is True, then any |
Guido van Rossum | c76a250 | 2007-08-09 14:26:58 +0000 | [diff] [blame] | 274 | functions registered with atexit will be removed before exiting. |
| 275 | (VPython support) |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 276 | |
| 277 | """ |
| 278 | if no_exitfunc: |
Guido van Rossum | c76a250 | 2007-08-09 14:26:58 +0000 | [diff] [blame] | 279 | import atexit |
| 280 | atexit._clear() |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 281 | capture_warnings(False) |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 282 | sys.exit(0) |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 283 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 284 | |
Serhiy Storchaka | a96c96f | 2017-09-21 11:20:06 +0300 | [diff] [blame] | 285 | def fix_scaling(root): |
| 286 | """Scale fonts on HiDPI displays.""" |
| 287 | import tkinter.font |
| 288 | scaling = float(root.tk.call('tk', 'scaling')) |
| 289 | if scaling > 1.4: |
| 290 | for name in tkinter.font.names(root): |
| 291 | font = tkinter.font.Font(root=root, name=name, exists=True) |
| 292 | size = int(font['size']) |
| 293 | if size < 0: |
| 294 | font['size'] = round(-0.75*size) |
| 295 | |
| 296 | |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 297 | class MyRPCServer(rpc.RPCServer): |
| 298 | |
| 299 | def handle_error(self, request, client_address): |
| 300 | """Override RPCServer method for IDLE |
| 301 | |
| 302 | Interrupt the MainThread and exit server if link is dropped. |
| 303 | |
| 304 | """ |
Kurt B. Kaiser | e953511 | 2004-11-19 15:46:49 +0000 | [diff] [blame] | 305 | global quitting |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 306 | try: |
| 307 | raise |
| 308 | except SystemExit: |
| 309 | raise |
| 310 | except EOFError: |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 311 | global exit_now |
| 312 | exit_now = True |
Kurt B. Kaiser | 93e8e54 | 2003-06-13 22:03:43 +0000 | [diff] [blame] | 313 | thread.interrupt_main() |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 314 | except: |
| 315 | erf = sys.__stderr__ |
Guido van Rossum | be19ed7 | 2007-02-09 05:37:30 +0000 | [diff] [blame] | 316 | print('\n' + '-'*40, file=erf) |
| 317 | print('Unhandled server exception!', file=erf) |
Amaury Forgeot d'Arc | bed1710 | 2008-11-29 01:48:47 +0000 | [diff] [blame] | 318 | print('Thread: %s' % threading.current_thread().name, file=erf) |
Guido van Rossum | be19ed7 | 2007-02-09 05:37:30 +0000 | [diff] [blame] | 319 | print('Client Address: ', client_address, file=erf) |
| 320 | print('Request: ', repr(request), file=erf) |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 321 | traceback.print_exc(file=erf) |
Guido van Rossum | be19ed7 | 2007-02-09 05:37:30 +0000 | [diff] [blame] | 322 | print('\n*** Unrecoverable, server exiting!', file=erf) |
| 323 | print('-'*40, file=erf) |
Kurt B. Kaiser | e953511 | 2004-11-19 15:46:49 +0000 | [diff] [blame] | 324 | quitting = True |
| 325 | thread.interrupt_main() |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 326 | |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 327 | |
| 328 | # Pseudofiles for shell-remote communication (also used in pyshell) |
| 329 | |
| 330 | class PseudoFile(io.TextIOBase): |
| 331 | |
| 332 | def __init__(self, shell, tags, encoding=None): |
| 333 | self.shell = shell |
| 334 | self.tags = tags |
| 335 | self._encoding = encoding |
| 336 | |
| 337 | @property |
| 338 | def encoding(self): |
| 339 | return self._encoding |
| 340 | |
| 341 | @property |
| 342 | def name(self): |
| 343 | return '<%s>' % self.tags |
| 344 | |
| 345 | def isatty(self): |
| 346 | return True |
| 347 | |
| 348 | |
| 349 | class PseudoOutputFile(PseudoFile): |
| 350 | |
| 351 | def writable(self): |
| 352 | return True |
| 353 | |
| 354 | def write(self, s): |
| 355 | if self.closed: |
| 356 | raise ValueError("write to closed file") |
| 357 | if type(s) is not str: |
| 358 | if not isinstance(s, str): |
| 359 | raise TypeError('must be str, not ' + type(s).__name__) |
| 360 | # See issue #19481 |
| 361 | s = str.__str__(s) |
| 362 | return self.shell.write(s, self.tags) |
| 363 | |
| 364 | |
| 365 | class PseudoInputFile(PseudoFile): |
| 366 | |
| 367 | def __init__(self, shell, tags, encoding=None): |
| 368 | PseudoFile.__init__(self, shell, tags, encoding) |
| 369 | self._line_buffer = '' |
| 370 | |
| 371 | def readable(self): |
| 372 | return True |
| 373 | |
| 374 | def read(self, size=-1): |
| 375 | if self.closed: |
| 376 | raise ValueError("read from closed file") |
| 377 | if size is None: |
| 378 | size = -1 |
| 379 | elif not isinstance(size, int): |
| 380 | raise TypeError('must be int, not ' + type(size).__name__) |
| 381 | result = self._line_buffer |
| 382 | self._line_buffer = '' |
| 383 | if size < 0: |
| 384 | while True: |
| 385 | line = self.shell.readline() |
| 386 | if not line: break |
| 387 | result += line |
| 388 | else: |
| 389 | while len(result) < size: |
| 390 | line = self.shell.readline() |
| 391 | if not line: break |
| 392 | result += line |
| 393 | self._line_buffer = result[size:] |
| 394 | result = result[:size] |
| 395 | return result |
| 396 | |
| 397 | def readline(self, size=-1): |
| 398 | if self.closed: |
| 399 | raise ValueError("read from closed file") |
| 400 | if size is None: |
| 401 | size = -1 |
| 402 | elif not isinstance(size, int): |
| 403 | raise TypeError('must be int, not ' + type(size).__name__) |
| 404 | line = self._line_buffer or self.shell.readline() |
| 405 | if size < 0: |
| 406 | size = len(line) |
| 407 | eol = line.find('\n', 0, size) |
| 408 | if eol >= 0: |
| 409 | size = eol + 1 |
| 410 | self._line_buffer = line[size:] |
| 411 | return line[:size] |
| 412 | |
| 413 | def close(self): |
| 414 | self.shell.close() |
| 415 | |
| 416 | |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 417 | class MyHandler(rpc.RPCHandler): |
| 418 | |
| 419 | def handle(self): |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 420 | """Override base method""" |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 421 | executive = Executive(self) |
| 422 | self.register("exec", executive) |
Serhiy Storchaka | 39e70a4 | 2013-01-25 15:30:58 +0200 | [diff] [blame] | 423 | self.console = self.get_remote_proxy("console") |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 424 | sys.stdin = PseudoInputFile(self.console, "stdin", |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 425 | iomenu.encoding) |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 426 | sys.stdout = PseudoOutputFile(self.console, "stdout", |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 427 | iomenu.encoding) |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 428 | sys.stderr = PseudoOutputFile(self.console, "stderr", |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 429 | iomenu.encoding) |
Serhiy Storchaka | 39e70a4 | 2013-01-25 15:30:58 +0200 | [diff] [blame] | 430 | |
Andrew Svetlov | cd49d53 | 2012-03-25 11:43:02 +0300 | [diff] [blame] | 431 | sys.displayhook = rpc.displayhook |
Kurt B. Kaiser | f609a34 | 2007-12-28 03:57:56 +0000 | [diff] [blame] | 432 | # page help() text to shell. |
| 433 | import pydoc # import must be done here to capture i/o binding |
| 434 | pydoc.pager = pydoc.plainpager |
Benjamin Peterson | 0d4931e | 2013-05-11 22:24:28 -0500 | [diff] [blame] | 435 | |
| 436 | # Keep a reference to stdin so that it won't try to exit IDLE if |
| 437 | # sys.stdin gets changed from within IDLE's shell. See issue17838. |
| 438 | self._keep_stdin = sys.stdin |
| 439 | |
Kurt B. Kaiser | 9f36609 | 2003-06-02 01:50:19 +0000 | [diff] [blame] | 440 | self.interp = self.get_remote_proxy("interp") |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 441 | rpc.RPCHandler.getresponse(self, myseq=None, wait=0.05) |
| 442 | |
| 443 | def exithook(self): |
| 444 | "override SocketIO method - wait for MainThread to shut us down" |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 445 | time.sleep(10) |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 446 | |
| 447 | def EOFhook(self): |
| 448 | "Override SocketIO method - terminate wait on callback and exit thread" |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 449 | global quitting |
| 450 | quitting = True |
Kurt B. Kaiser | 93e8e54 | 2003-06-13 22:03:43 +0000 | [diff] [blame] | 451 | thread.interrupt_main() |
Kurt B. Kaiser | a00050f | 2003-05-08 20:26:55 +0000 | [diff] [blame] | 452 | |
| 453 | def decode_interrupthook(self): |
| 454 | "interrupt awakened thread" |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 455 | global quitting |
| 456 | quitting = True |
Kurt B. Kaiser | 93e8e54 | 2003-06-13 22:03:43 +0000 | [diff] [blame] | 457 | thread.interrupt_main() |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 458 | |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 459 | |
Kurt B. Kaiser | dcba662 | 2004-12-21 22:10:32 +0000 | [diff] [blame] | 460 | class Executive(object): |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 461 | |
| 462 | def __init__(self, rpchandler): |
Kurt B. Kaiser | ffd3a42 | 2002-06-26 02:32:09 +0000 | [diff] [blame] | 463 | self.rpchandler = rpchandler |
Kurt B. Kaiser | adc6384 | 2002-08-25 14:08:07 +0000 | [diff] [blame] | 464 | self.locals = __main__.__dict__ |
Terry Jan Reedy | 06e2029 | 2018-06-19 23:00:35 -0400 | [diff] [blame] | 465 | self.calltip = calltip.Calltip() |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 466 | self.autocomplete = autocomplete.AutoComplete() |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 467 | |
| 468 | def runcode(self, code): |
Guido van Rossum | 8ce8a78 | 2007-11-01 19:42:39 +0000 | [diff] [blame] | 469 | global interruptable |
Kurt B. Kaiser | 86bc464 | 2003-02-27 23:04:17 +0000 | [diff] [blame] | 470 | try: |
Kurt B. Kaiser | 9f36609 | 2003-06-02 01:50:19 +0000 | [diff] [blame] | 471 | self.usr_exc_info = None |
Guido van Rossum | 8ce8a78 | 2007-11-01 19:42:39 +0000 | [diff] [blame] | 472 | interruptable = True |
| 473 | try: |
| 474 | exec(code, self.locals) |
| 475 | finally: |
| 476 | interruptable = False |
Roger Serwy | f467521 | 2013-06-11 22:25:14 -0500 | [diff] [blame] | 477 | except SystemExit: |
| 478 | # Scripts that raise SystemExit should just |
| 479 | # return to the interactive prompt |
| 480 | pass |
Kurt B. Kaiser | 86bc464 | 2003-02-27 23:04:17 +0000 | [diff] [blame] | 481 | except: |
Kurt B. Kaiser | 9f36609 | 2003-06-02 01:50:19 +0000 | [diff] [blame] | 482 | self.usr_exc_info = sys.exc_info() |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 483 | if quitting: |
Kurt B. Kaiser | 62df044 | 2003-05-28 01:47:46 +0000 | [diff] [blame] | 484 | exit() |
Kurt B. Kaiser | 67fd0ea | 2003-05-24 20:59:15 +0000 | [diff] [blame] | 485 | # even print a user code SystemExit exception, continue |
| 486 | print_exception() |
Kurt B. Kaiser | 9f36609 | 2003-06-02 01:50:19 +0000 | [diff] [blame] | 487 | jit = self.rpchandler.console.getvar("<<toggle-jit-stack-viewer>>") |
| 488 | if jit: |
| 489 | self.rpchandler.interp.open_remote_stack_viewer() |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 490 | else: |
Kurt B. Kaiser | 9ec454e | 2003-05-12 02:33:47 +0000 | [diff] [blame] | 491 | flush_stdout() |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 492 | |
Kurt B. Kaiser | 003091c | 2003-02-17 18:57:16 +0000 | [diff] [blame] | 493 | def interrupt_the_server(self): |
Guido van Rossum | 8ce8a78 | 2007-11-01 19:42:39 +0000 | [diff] [blame] | 494 | if interruptable: |
| 495 | thread.interrupt_main() |
Kurt B. Kaiser | 11c53e2 | 2003-03-22 19:40:19 +0000 | [diff] [blame] | 496 | |
Kurt B. Kaiser | 0e3a577 | 2002-06-16 03:32:24 +0000 | [diff] [blame] | 497 | def start_the_debugger(self, gui_adap_oid): |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 498 | return debugger_r.start_debugger(self.rpchandler, gui_adap_oid) |
Kurt B. Kaiser | ffd3a42 | 2002-06-26 02:32:09 +0000 | [diff] [blame] | 499 | |
| 500 | def stop_the_debugger(self, idb_adap_oid): |
| 501 | "Unregister the Idb Adapter. Link objects and Idb then subject to GC" |
| 502 | self.rpchandler.unregister(idb_adap_oid) |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 503 | |
Kurt B. Kaiser | 5afa1df | 2002-10-10 08:25:24 +0000 | [diff] [blame] | 504 | def get_the_calltip(self, name): |
| 505 | return self.calltip.fetch_tip(name) |
| 506 | |
Kurt B. Kaiser | b175445 | 2005-11-18 22:05:48 +0000 | [diff] [blame] | 507 | def get_the_completion_list(self, what, mode): |
| 508 | return self.autocomplete.fetch_completions(what, mode) |
| 509 | |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 510 | def stackviewer(self, flist_oid=None): |
Kurt B. Kaiser | 9f36609 | 2003-06-02 01:50:19 +0000 | [diff] [blame] | 511 | if self.usr_exc_info: |
| 512 | typ, val, tb = self.usr_exc_info |
| 513 | else: |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 514 | return None |
| 515 | flist = None |
| 516 | if flist_oid is not None: |
Kurt B. Kaiser | ffd3a42 | 2002-06-26 02:32:09 +0000 | [diff] [blame] | 517 | flist = self.rpchandler.get_remote_proxy(flist_oid) |
Chui Tey | 5d2af63 | 2002-05-26 13:36:41 +0000 | [diff] [blame] | 518 | while tb and tb.tb_frame.f_globals["__name__"] in ["rpc", "run"]: |
| 519 | tb = tb.tb_next |
Kurt B. Kaiser | 9f36609 | 2003-06-02 01:50:19 +0000 | [diff] [blame] | 520 | sys.last_type = typ |
| 521 | sys.last_value = val |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 522 | item = stackviewer.StackTreeItem(flist, tb) |
| 523 | return debugobj_r.remote_object_tree_item(item) |
Terry Jan Reedy | 95a3f11 | 2013-06-28 23:50:12 -0400 | [diff] [blame] | 524 | |
| 525 | capture_warnings(False) # Make sure turned off; see issue 18081 |