#! /usr/bin/env python import os import os.path import sys import string import getopt import re import socket import time import traceback import types import warnings import exceptions import linecache from code import InteractiveInterpreter from Tkinter import * import tkMessageBox from EditorWindow import EditorWindow, fixwordbreaks from FileList import FileList from ColorDelegator import ColorDelegator from UndoDelegator import UndoDelegator from OutputWindow import OutputWindow from configHandler import idleConf import idlever import rpc import RemoteDebugger IDENTCHARS = string.ascii_letters + string.digits + "_" # XX hardwire this for now, remove later KBK 09Jun02 use_subprocess = 1 # Set to 1 to spawn subprocess for command execution # Change warnings module to write to sys.__stderr__ try: import warnings except ImportError: pass else: def idle_showwarning(message, category, filename, lineno): file = sys.__stderr__ file.write(warnings.formatwarning(message, category, filename, lineno)) warnings.showwarning = idle_showwarning def extended_linecache_checkcache(orig_checkcache=linecache.checkcache): """Extend linecache.checkcache to preserve the entries Rather than repeating the linecache code, patch it to save the pyshell# entries, call the original linecache.checkcache(), and then restore the saved entries. Assigning the orig_checkcache keyword arg freezes its value at definition time to the (original) method linecache.checkcache(), i.e. makes orig_checkcache lexical. """ cache = linecache.cache save = {} for filename in cache.keys(): if filename[:1] + filename[-1:] == '<>': save[filename] = cache[filename] orig_checkcache() cache.update(save) # Patch linecache.checkcache(): linecache.checkcache = extended_linecache_checkcache class PyShellEditorWindow(EditorWindow): "Regular text edit window when a shell is present" # XXX KBK 19Oct02 Breakpoints are currently removed if module is # changed or closed. Future plans include saving breakpoints in a # project file and possibly preserving breakpoints by changing their # line numbers as a module is modified. def __init__(self, *args): self.breakpoints = [] apply(EditorWindow.__init__, (self,) + args) self.text.bind("<>", self.set_breakpoint_here) self.text.bind("<>", self.clear_breakpoint_here) self.text.bind("<>", self.flist.open_shell) self.breakpointPath=os.path.join(idleConf.GetUserCfgDir(), 'breakpoints.lst') # whenever a file is changed, restore breakpoints if self.io.filename: self.restore_file_breaks() def filename_changed_hook(old_hook=self.io.filename_change_hook,self=self): self.restore_file_breaks() old_hook() self.io.set_filename_change_hook(filename_changed_hook) rmenu_specs = [("Set Breakpoint", "<>"), ("Clear Breakpoint", "<>")] def set_breakpoint(self, lineno): text = self.text filename = self.io.filename text.tag_add("BREAK", "%d.0" % lineno, "%d.0" % (lineno+1)) try: i = self.breakpoints.index(lineno) except ValueError: # only add if missing, i.e. do once self.breakpoints.append(lineno) try: # update the subprocess debugger debug = self.flist.pyshell.interp.debugger debug.set_breakpoint_here(filename, lineno) except: # but debugger may not be active right now.... pass def set_breakpoint_here(self, event=None): text = self.text filename = self.io.filename if not filename: text.bell() return lineno = int(float(text.index("insert"))) self.set_breakpoint(lineno) def clear_breakpoint_here(self, event=None): text = self.text filename = self.io.filename if not filename: text.bell() return lineno = int(float(text.index("insert"))) try: self.breakpoints.remove(lineno) except: pass text.tag_remove("BREAK", "insert linestart",\ "insert lineend +1char") try: debug = self.flist.pyshell.interp.debugger debug.clear_breakpoint_here(filename, lineno) except: pass def clear_file_breaks(self): if self.breakpoints: text = self.text filename = self.io.filename if not filename: text.bell() return self.breakpoints = [] text.tag_remove("BREAK", "1.0", END) try: debug = self.flist.pyshell.interp.debugger debug.clear_file_breaks(filename) except: pass def store_file_breaks(self): if not self.breakpoints: return filename=self.io.filename try: lines=open(self.breakpointPath,"r").readlines() except IOError: lines=[] new_file=open(self.breakpointPath,"w") for line in lines: if not line.startswith(filename+"="): new_file.write(line) new_file.write(filename+"="+`self.get_current_breaks()`+"\n") new_file.close() def restore_file_breaks(self): self.text.update() # this enables setting "BREAK" tags to be visible filename=self.io.filename if os.path.isfile(self.breakpointPath): lines=open(self.breakpointPath,"r").readlines() for line in lines: if line.startswith(filename+"="): breakpoint_linenumbers=eval(line[len(filename)+1:]) for breakpoint_linenumber in breakpoint_linenumbers: self.set_breakpoint(breakpoint_linenumber) def get_current_breaks(self): # # retrieves all the breakpoints in the current window # text = self.text lines = text.tag_ranges("BREAK") result = [int(float((lines[i]))) for i in range(0,len(lines),2)] return result def saved_change_hook(self): "Extend base method - clear breaks if module is modified" if not self.get_saved(): self.clear_file_breaks() EditorWindow.saved_change_hook(self) def _close(self): "Extend base method - clear breaks when module is closed" self.store_file_breaks() self.clear_file_breaks() EditorWindow._close(self) class PyShellFileList(FileList): "Extend base class: file list when a shell is present" EditorWindow = PyShellEditorWindow pyshell = None def open_shell(self, event=None): if self.pyshell: self.pyshell.wakeup() else: self.pyshell = PyShell(self) self.pyshell.begin() return self.pyshell class ModifiedColorDelegator(ColorDelegator): "Extend base class: colorizer for the shell window itself" def __init__(self): ColorDelegator.__init__(self) self.LoadTagDefs() def recolorize_main(self): self.tag_remove("TODO", "1.0", "iomark") self.tag_add("SYNC", "1.0", "iomark") ColorDelegator.recolorize_main(self) def LoadTagDefs(self): ColorDelegator.LoadTagDefs(self) theme = idleConf.GetOption('main','Theme','name') self.tagdefs.update({ "stdin": {'background':None,'foreground':None}, "stdout": idleConf.GetHighlight(theme, "stdout"), "stderr": idleConf.GetHighlight(theme, "stderr"), "console": idleConf.GetHighlight(theme, "console"), "ERROR": idleConf.GetHighlight(theme, "error"), None: idleConf.GetHighlight(theme, "normal"), }) class ModifiedUndoDelegator(UndoDelegator): "Extend base class: forbid insert/delete before the I/O mark" def insert(self, index, chars, tags=None): try: if self.delegate.compare(index, "<", "iomark"): self.delegate.bell() return except TclError: pass UndoDelegator.insert(self, index, chars, tags) def delete(self, index1, index2=None): try: if self.delegate.compare(index1, "<", "iomark"): self.delegate.bell() return except TclError: pass UndoDelegator.delete(self, index1, index2) class ModifiedInterpreter(InteractiveInterpreter): def __init__(self, tkconsole): self.tkconsole = tkconsole locals = sys.modules['__main__'].__dict__ InteractiveInterpreter.__init__(self, locals=locals) self.save_warnings_filters = None port = 8833 rpcclt = None rpcpid = None def spawn_subprocess(self): w = ['-W' + s for s in sys.warnoptions] args = [self.find_executable()] + w \ + ["-c", "__import__('run').main()", str(self.port)] self.rpcpid = os.spawnv(os.P_NOWAIT, args[0], args) def find_executable(self): if sys.platform == 'darwin' and sys.executable.count('.app'): # On Mac OS X, avoid calling sys.executable because it ignores # command-line options (sys.executable is an applet) # # Instead, find the executable by looking relative to # sys.prefix. executable = os.path.join(sys.prefix, 'Resources', 'Python.app', 'Contents', 'MacOS', 'python') return executable else: return sys.executable def start_subprocess(self): addr = ("localhost", self.port) self.spawn_subprocess() # Idle starts listening for connection on localhost for i in range(6): time.sleep(i) try: self.rpcclt = rpc.RPCClient(addr) break except socket.error, err: if i < 3: print>>sys.__stderr__, ". ", else: print>>sys.__stderr__,"\nIdle socket error: " + err[1]\ + ", retrying..." else: display_port_binding_error() return # Accept the connection from the Python execution server self.rpcclt.accept() self.rpcclt.register("stdin", self.tkconsole) self.rpcclt.register("stdout", self.tkconsole.stdout) self.rpcclt.register("stderr", self.tkconsole.stderr) self.rpcclt.register("flist", self.tkconsole.flist) self.poll_subprocess() def restart_subprocess(self): # close only the subprocess debugger debug = self.getdebugger() if debug: RemoteDebugger.close_subprocess_debugger(self.rpcclt) # kill subprocess, spawn a new one, accept connection self.rpcclt.close() self.spawn_subprocess() self.rpcclt.accept() # restart remote debugger if debug: gui = RemoteDebugger.restart_subprocess_debugger(self.rpcclt) # reload remote debugger breakpoints for all PyShellEditWindows debug.load_breakpoints() active_seq = None def poll_subprocess(self): clt = self.rpcclt if clt is None: return response = clt.pollresponse(self.active_seq) # Reschedule myself in 50 ms self.tkconsole.text.after(50, self.poll_subprocess) if response: self.tkconsole.resetoutput() self.active_seq = None how, what = response file = self.tkconsole.console if how == "OK": if what is not None: print >>file, `what` elif how == "EXCEPTION": mod, name, args, tb = what print >>file, 'Traceback (most recent call last):' while tb and tb[0][0] in ("run.py", "rpc.py"): del tb[0] while tb and tb[-1][0] in ("run.py", "rpc.py"): del tb[-1] for i in range(len(tb)): fn, ln, nm, line = tb[i] if not line and fn.startswith(">"): self.remote_stack_viewer() elif how == "ERROR": errmsg = "PyShell.ModifiedInterpreter: Subprocess ERROR:\n" print >>sys.__stderr__, errmsg, what print >>file, errmsg, what self.tkconsole.endexecuting() def kill_subprocess(self): clt = self.rpcclt self.rpcclt = None if clt is not None: clt.close() debugger = None def setdebugger(self, debugger): self.debugger = debugger def getdebugger(self): return self.debugger def remote_stack_viewer(self): import RemoteObjectBrowser oid = self.rpcclt.remotecall("exec", "stackviewer", ("flist",), {}) if oid is None: self.tkconsole.root.bell() return item = RemoteObjectBrowser.StubObjectTreeItem(self.rpcclt, oid) from TreeWidget import ScrolledCanvas, TreeNode top = Toplevel(self.tkconsole.root) sc = ScrolledCanvas(top, bg="white", highlightthickness=0) sc.frame.pack(expand=1, fill="both") node = TreeNode(sc.canvas, None, item) node.expand() # XXX Should GC the remote tree when closing the window gid = 0 def execsource(self, source): "Like runsource() but assumes complete exec source" filename = self.stuffsource(source) self.execfile(filename, source) def execfile(self, filename, source=None): "Execute an existing file" if source is None: source = open(filename, "r").read() try: code = compile(source, filename, "exec") except (OverflowError, SyntaxError): self.tkconsole.resetoutput() console = self.tkconsole.console print >>console, 'Traceback (most recent call last):' InteractiveInterpreter.showsyntaxerror(self, filename) self.tkconsole.showprompt() else: self.runcode(code) def runsource(self, source): "Extend base class method: Stuff the source in the line cache first" filename = self.stuffsource(source) self.more = 0 self.save_warnings_filters = warnings.filters[:] warnings.filterwarnings(action="error", category=SyntaxWarning) if isinstance(source, types.UnicodeType): import IOBinding try: source = source.encode(IOBinding.encoding) except UnicodeError: self.tkconsole.resetoutput() self.write("Unsupported characters in input") return try: return InteractiveInterpreter.runsource(self, source, filename) finally: if self.save_warnings_filters is not None: warnings.filters[:] = self.save_warnings_filters self.save_warnings_filters = None def stuffsource(self, source): "Stuff source in the filename cache" filename = "" % self.gid self.gid = self.gid + 1 lines = source.split("\n") linecache.cache[filename] = len(source)+1, 0, lines, filename return filename def showsyntaxerror(self, filename=None): """Extend base class method: Add Colorizing Color the offending position instead of printing it and pointing at it with a caret. """ text = self.tkconsole.text stuff = self.unpackerror() if stuff: msg, lineno, offset, line = stuff if lineno == 1: pos = "iomark + %d chars" % (offset-1) else: pos = "iomark linestart + %d lines + %d chars" % \ (lineno-1, offset-1) text.tag_add("ERROR", pos) text.see(pos) char = text.get(pos) if char and char in IDENTCHARS: text.tag_add("ERROR", pos + " wordstart", pos) self.tkconsole.resetoutput() self.write("SyntaxError: %s\n" % str(msg)) else: self.tkconsole.resetoutput() InteractiveInterpreter.showsyntaxerror(self, filename) self.tkconsole.showprompt() def unpackerror(self): type, value, tb = sys.exc_info() ok = type is SyntaxError if ok: try: msg, (dummy_filename, lineno, offset, line) = value except: ok = 0 if ok: return msg, lineno, offset, line else: return None def showtraceback(self): "Extend base class method to reset output properly" self.tkconsole.resetoutput() self.checklinecache() InteractiveInterpreter.showtraceback(self) if self.tkconsole.getvar("<>"): self.tkconsole.open_stack_viewer() def checklinecache(self): c = linecache.cache for key in c.keys(): if key[:1] + key[-1:] != "<>": del c[key] def display_executing_dialog(self): tkMessageBox.showerror( "Already executing", "The Python Shell window is already executing a command; " "please wait until it is finished.", master=self.tkconsole.text) def runcommand(self, code): "Run the code without invoking the debugger" # The code better not raise an exception! if self.tkconsole.executing: self.display_executing_dialog() return 0 if self.rpcclt: self.rpcclt.remotecall("exec", "runcode", (code,), {}) else: exec code in self.locals return 1 def runcode(self, code): "Override base class method" if self.tkconsole.executing: self.display_executing_dialog() return self.checklinecache() if self.save_warnings_filters is not None: warnings.filters[:] = self.save_warnings_filters self.save_warnings_filters = None debugger = self.debugger if not debugger and self.rpcclt is not None: self.tkconsole.beginexecuting() self.active_seq = self.rpcclt.asynccall("exec", "runcode", (code,), {}) return try: self.tkconsole.beginexecuting() try: if debugger: debugger.run(code, self.locals) else: exec code in self.locals except SystemExit: if tkMessageBox.askyesno( "Exit?", "Do you want to exit altogether?", default="yes", master=self.tkconsole.text): raise else: self.showtraceback() except: self.showtraceback() finally: self.tkconsole.endexecuting() def write(self, s): "Override base class method" self.tkconsole.console.write(s) class PyShell(OutputWindow): shell_title = "Python Shell" # Override classes ColorDelegator = ModifiedColorDelegator UndoDelegator = ModifiedUndoDelegator # Override menus: Run and Format not desired in shell; add Debug menu_specs = [ ("file", "_File"), ("edit", "_Edit"), ("debug", "_Debug"), ("settings", "_Settings"), ("windows", "_Windows"), ("help", "_Help"), ] # New classes from IdleHistory import History def __init__(self, flist=None): self.interp = ModifiedInterpreter(self) if flist is None: root = Tk() fixwordbreaks(root) root.withdraw() flist = PyShellFileList(root) # OutputWindow.__init__(self, flist, None, None) # import __builtin__ __builtin__.quit = __builtin__.exit = "To exit, type Ctrl-D." # self.config(usetabs=1, indentwidth=8, context_use_ps1=1) # text = self.text text.configure(wrap="char") text.bind("<>", self.enter_callback) text.bind("<>", self.linefeed_callback) text.bind("<>", self.cancel_callback) text.bind("<>", self.home_callback) text.bind("<>", self.eof_callback) text.bind("<>", self.open_stack_viewer) text.bind("<>", self.toggle_debugger) text.bind("<>", self.flist.open_shell) text.bind("<>", self.toggle_jit_stack_viewer) # self.save_stdout = sys.stdout self.save_stderr = sys.stderr self.save_stdin = sys.stdin self.stdout = PseudoFile(self, "stdout") self.stderr = PseudoFile(self, "stderr") self.console = PseudoFile(self, "console") if not use_subprocess: sys.stdout = self.stdout sys.stderr = self.stderr sys.stdin = self # self.history = self.History(self.text) # if use_subprocess: self.interp.start_subprocess() reading = 0 executing = 0 canceled = 0 endoffile = 0 def toggle_debugger(self, event=None): if self.executing: tkMessageBox.showerror("Don't debug now", "You can only toggle the debugger when idle", master=self.text) self.set_debugger_indicator() return "break" else: db = self.interp.getdebugger() if db: self.close_debugger() else: self.open_debugger() def set_debugger_indicator(self): db = self.interp.getdebugger() self.setvar("<>", not not db) def toggle_jit_stack_viewer( self, event=None): pass # All we need is the variable def close_debugger(self): db = self.interp.getdebugger() if db: self.interp.setdebugger(None) db.close() if self.interp.rpcclt: RemoteDebugger.close_remote_debugger(self.interp.rpcclt) self.resetoutput() self.console.write("[DEBUG OFF]\n") sys.ps1 = ">>> " self.showprompt() self.set_debugger_indicator() def open_debugger(self): # XXX KBK 13Jun02 An RPC client always exists now? Open remote # debugger and return...dike the rest of this fcn and combine # with open_remote_debugger? if self.interp.rpcclt: return self.open_remote_debugger() import Debugger self.interp.setdebugger(Debugger.Debugger(self)) sys.ps1 = "[DEBUG ON]\n>>> " self.showprompt() self.set_debugger_indicator() def open_remote_debugger(self): gui = RemoteDebugger.start_remote_debugger(self.interp.rpcclt, self) self.interp.setdebugger(gui) # Load all PyShellEditorWindow breakpoints: gui.load_breakpoints() sys.ps1 = "[DEBUG ON]\n>>> " self.showprompt() self.set_debugger_indicator() def beginexecuting(self): "Helper for ModifiedInterpreter" self.resetoutput() self.executing = 1 ##self._cancel_check = self.cancel_check ##sys.settrace(self._cancel_check) def endexecuting(self): "Helper for ModifiedInterpreter" ##sys.settrace(None) ##self._cancel_check = None self.executing = 0 self.canceled = 0 self.showprompt() def close(self): "Extend EditorWindow.close()" if self.executing: # XXX Need to ask a question here if not tkMessageBox.askokcancel( "Kill?", "The program is still running; do you want to kill it?", default="ok", master=self.text): return "cancel" self.canceled = 1 if self.reading: self.top.quit() return "cancel" return EditorWindow.close(self) def _close(self): "Extend EditorWindow._close(), shut down debugger and execution server" self.close_debugger() self.interp.kill_subprocess() # Restore std streams sys.stdout = self.save_stdout sys.stderr = self.save_stderr sys.stdin = self.save_stdin # Break cycles self.interp = None self.console = None self.flist.pyshell = None self.history = None EditorWindow._close(self) def ispythonsource(self, filename): "Override EditorWindow method: never remove the colorizer" return True def short_title(self): return self.shell_title COPYRIGHT = \ 'Type "copyright", "credits" or "license" for more information.' def begin(self): self.resetoutput() self.write("Python %s on %s\n%s\nGRPC IDLE Fork %s\n" % (sys.version, sys.platform, self.COPYRIGHT, idlever.IDLE_VERSION)) try: sys.ps1 except AttributeError: sys.ps1 = ">>> " self.showprompt() import Tkinter Tkinter._default_root = None def interact(self): self.begin() self.top.mainloop() def readline(self): save = self.reading try: self.reading = 1 self.top.mainloop() finally: self.reading = save line = self.text.get("iomark", "end-1c") self.resetoutput() if self.canceled: self.canceled = 0 raise KeyboardInterrupt if self.endoffile: self.endoffile = 0 return "" return line def isatty(self): return True def cancel_callback(self, event): try: if self.text.compare("sel.first", "!=", "sel.last"): return # Active selection -- always use default binding except: pass if not (self.executing or self.reading): self.resetoutput() self.write("KeyboardInterrupt\n") self.showprompt() return "break" self.endoffile = 0 if self.reading: self.canceled = 1 self.top.quit() elif (self.executing and self.interp.rpcclt and self.interp.rpcpid and hasattr(os, "kill")): try: from signal import SIGINT except ImportError: SIGINT = 2 os.kill(self.interp.rpcpid, SIGINT) else: self.canceled = 1 return "break" def eof_callback(self, event): if self.executing and not self.reading: return # Let the default binding (delete next char) take over if not (self.text.compare("iomark", "==", "insert") and self.text.compare("insert", "==", "end-1c")): return # Let the default binding (delete next char) take over if not self.executing: self.resetoutput() self.close() else: self.canceled = 0 self.endoffile = 1 self.top.quit() return "break" def home_callback(self, event): if event.state != 0 and event.keysym == "Home": return # ; fall back to class binding if self.text.compare("iomark", "<=", "insert") and \ self.text.compare("insert linestart", "<=", "iomark"): self.text.mark_set("insert", "iomark") self.text.tag_remove("sel", "1.0", "end") self.text.see("insert") return "break" def linefeed_callback(self, event): # Insert a linefeed without entering anything (still autoindented) if self.reading: self.text.insert("insert", "\n") self.text.see("insert") else: self.auto_indent(event) return "break" def enter_callback(self, event): if self.executing and not self.reading: return # Let the default binding (insert '\n') take over # If some text is selected, recall the selection # (but only if this before the I/O mark) try: sel = self.text.get("sel.first", "sel.last") if sel: if self.text.compare("sel.last", "<=", "iomark"): self.recall(sel) return "break" except: pass # If we're strictly before the line containing iomark, recall # the current line, less a leading prompt, less leading or # trailing whitespace if self.text.compare("insert", "<", "iomark linestart"): # Check if there's a relevant stdin range -- if so, use it prev = self.text.tag_prevrange("stdin", "insert") if prev and self.text.compare("insert", "<", prev[1]): self.recall(self.text.get(prev[0], prev[1])) return "break" next = self.text.tag_nextrange("stdin", "insert") if next and self.text.compare("insert lineend", ">=", next[0]): self.recall(self.text.get(next[0], next[1])) return "break" # No stdin mark -- just get the current line self.recall(self.text.get("insert linestart", "insert lineend")) return "break" # If we're in the current input and there's only whitespace # beyond the cursor, erase that whitespace first s = self.text.get("insert", "end-1c") if s and not s.strip(): self.text.delete("insert", "end-1c") # If we're in the current input before its last line, # insert a newline right at the insert point if self.text.compare("insert", "<", "end-1c linestart"): self.auto_indent(event) return "break" # We're in the last line; append a newline and submit it self.text.mark_set("insert", "end-1c") if self.reading: self.text.insert("insert", "\n") self.text.see("insert") else: self.auto_indent(event) self.text.tag_add("stdin", "iomark", "end-1c") self.text.update_idletasks() if self.reading: self.top.quit() # Break out of recursive mainloop() in raw_input() else: self.runit() return "break" def recall(self, s): if self.history: self.history.recall(s) def runit(self): line = self.text.get("iomark", "end-1c") # Strip off last newline and surrounding whitespace. # (To allow you to hit return twice to end a statement.) i = len(line) while i > 0 and line[i-1] in " \t": i = i-1 if i > 0 and line[i-1] == "\n": i = i-1 while i > 0 and line[i-1] in " \t": i = i-1 line = line[:i] more = self.interp.runsource(line) def cancel_check(self, frame, what, args, dooneevent=tkinter.dooneevent, dontwait=tkinter.DONT_WAIT): # Hack -- use the debugger hooks to be able to handle events # and interrupt execution at any time. # This slows execution down quite a bit, so you may want to # disable this (by not calling settrace() in runcode() above) # for full-bore (uninterruptable) speed. # XXX This should become a user option. if self.canceled: return dooneevent(dontwait) if self.canceled: self.canceled = 0 raise KeyboardInterrupt return self._cancel_check def open_stack_viewer(self, event=None): if self.interp.rpcclt: return self.interp.remote_stack_viewer() try: sys.last_traceback except: tkMessageBox.showerror("No stack trace", "There is no stack trace yet.\n" "(sys.last_traceback is not defined)", master=self.text) return from StackViewer import StackBrowser sv = StackBrowser(self.root, self.flist) def showprompt(self): self.resetoutput() try: s = str(sys.ps1) except: s = "" self.console.write(s) self.text.mark_set("insert", "end-1c") self.set_line_and_column() self.io.reset_undo() def resetoutput(self): source = self.text.get("iomark", "end-1c") if self.history: self.history.history_store(source) if self.text.get("end-2c") != "\n": self.text.insert("end-1c", "\n") self.text.mark_set("iomark", "end-1c") self.set_line_and_column() sys.stdout.softspace = 0 def write(self, s, tags=()): self.text.mark_gravity("iomark", "right") OutputWindow.write(self, s, tags, "iomark") self.text.mark_gravity("iomark", "left") if self.canceled: self.canceled = 0 raise KeyboardInterrupt class PseudoFile: def __init__(self, shell, tags): self.shell = shell self.tags = tags self.softspace = 0 def write(self, s): self.shell.write(s, self.tags) def writelines(self, l): map(self.write, l) def flush(self): pass def isatty(self): return True usage_msg = """\ usage: idle.py [-c command] [-d] [-i] [-r script] [-s] [-t title] [arg] ... idle file(s) (without options) edit the file(s) -c cmd run the command in a shell -d enable the debugger -e edit mode; arguments are files to be edited -i open an interactive shell -i file(s) open a shell and also an editor window for each file -r -s run $IDLESTARTUP or $PYTHONSTARTUP before anything else -t title set title of shell window Remaining arguments are applied to the command (-c) or script (-r). """ def main(): cmd = None edit = 0 debug = 0 script = None startup = 0 try: opts, args = getopt.getopt(sys.argv[1:], "c:deir:st:") except getopt.error, msg: sys.stderr.write("Error: %s\n" % str(msg)) sys.stderr.write(usage_msg) sys.exit(2) for o, a in opts: if o == '-c': cmd = a if o == '-d': debug = 1 if o == '-e': edit = 1 if o == '-r': script = a if o == '-s': startup = 1 if o == '-t': PyShell.shell_title = a if args and args[0] != "-": edit = 1 for i in range(len(sys.path)): sys.path[i] = os.path.abspath(sys.path[i]) pathx = [] if edit: for filename in args: pathx.append(os.path.dirname(filename)) elif args and args[0] != "-": pathx.append(os.path.dirname(args[0])) else: pathx.append(os.curdir) for dir in pathx: dir = os.path.abspath(dir) if not dir in sys.path: sys.path.insert(0, dir) global flist, root root = Tk(className="Idle") fixwordbreaks(root) root.withdraw() flist = PyShellFileList(root) if edit: for filename in args: flist.open(filename) if not args: flist.new() else: if cmd: sys.argv = ["-c"] + args else: sys.argv = args or [""] shell = PyShell(flist) interp = shell.interp flist.pyshell = shell if startup: filename = os.environ.get("IDLESTARTUP") or \ os.environ.get("PYTHONSTARTUP") if filename and os.path.isfile(filename): interp.execfile(filename) if debug: shell.open_debugger() if cmd: interp.execsource(cmd) elif script: if os.path.isfile(script): interp.execfile(script) else: print "No script file: ", script shell.begin() root.mainloop() root.destroy() def display_port_binding_error(): print """\ IDLE cannot run. IDLE needs to use a specific TCP/IP port (8833) in order to execute and debug programs. IDLE is unable to bind to this port, and so cannot start. Here are some possible causes of this problem: 1. TCP/IP networking is not installed or not working on this computer 2. Another program is running that uses this port 3. Personal firewall software is preventing IDLE from using this port IDLE makes and accepts connections only with this computer, and does not communicate over the internet in any way. Its use of port 8833 should not be a security risk on a single-user machine. """ if __name__ == "__main__": main()