From a73a964e51247ed169d322c725a3a18859f109a3 Mon Sep 17 00:00:00 2001 From: Ori Bernstein Date: Mon, 14 Jun 2021 00:00:37 +0000 Subject: python, hg: tow outside the environment. they've served us well, and can ride off into the sunset. --- sys/lib/python/idlelib/IOBinding.py | 584 ------------------------------------ 1 file changed, 584 deletions(-) delete mode 100644 sys/lib/python/idlelib/IOBinding.py (limited to 'sys/lib/python/idlelib/IOBinding.py') diff --git a/sys/lib/python/idlelib/IOBinding.py b/sys/lib/python/idlelib/IOBinding.py deleted file mode 100644 index deeb5c527..000000000 --- a/sys/lib/python/idlelib/IOBinding.py +++ /dev/null @@ -1,584 +0,0 @@ -# changes by dscherer@cmu.edu -# - IOBinding.open() replaces the current window with the opened file, -# if the current window is both unmodified and unnamed -# - IOBinding.loadfile() interprets Windows, UNIX, and Macintosh -# end-of-line conventions, instead of relying on the standard library, -# which will only understand the local convention. - -import os -import types -import sys -import codecs -import tempfile -import tkFileDialog -import tkMessageBox -import re -from Tkinter import * -from SimpleDialog import SimpleDialog - -from configHandler import idleConf - -try: - from codecs import BOM_UTF8 -except ImportError: - # only available since Python 2.3 - BOM_UTF8 = '\xef\xbb\xbf' - -# Try setting the locale, so that we can find out -# what encoding to use -try: - import locale - locale.setlocale(locale.LC_CTYPE, "") -except (ImportError, locale.Error): - pass - -# Encoding for file names -filesystemencoding = sys.getfilesystemencoding() - -encoding = "ascii" -if sys.platform == 'win32': - # On Windows, we could use "mbcs". However, to give the user - # a portable encoding name, we need to find the code page - try: - encoding = locale.getdefaultlocale()[1] - codecs.lookup(encoding) - except LookupError: - pass -else: - try: - # Different things can fail here: the locale module may not be - # loaded, it may not offer nl_langinfo, or CODESET, or the - # resulting codeset may be unknown to Python. We ignore all - # these problems, falling back to ASCII - encoding = locale.nl_langinfo(locale.CODESET) - if encoding is None or encoding is '': - # situation occurs on Mac OS X - encoding = 'ascii' - codecs.lookup(encoding) - except (NameError, AttributeError, LookupError): - # Try getdefaultlocale well: it parses environment variables, - # which may give a clue. Unfortunately, getdefaultlocale has - # bugs that can cause ValueError. - try: - encoding = locale.getdefaultlocale()[1] - if encoding is None or encoding is '': - # situation occurs on Mac OS X - encoding = 'ascii' - codecs.lookup(encoding) - except (ValueError, LookupError): - pass - -encoding = encoding.lower() - -coding_re = re.compile("coding[:=]\s*([-\w_.]+)") - -class EncodingMessage(SimpleDialog): - "Inform user that an encoding declaration is needed." - def __init__(self, master, enc): - self.should_edit = False - - self.root = top = Toplevel(master) - top.bind("", self.return_event) - top.bind("", self.do_ok) - top.protocol("WM_DELETE_WINDOW", self.wm_delete_window) - top.wm_title("I/O Warning") - top.wm_iconname("I/O Warning") - self.top = top - - l1 = Label(top, - text="Non-ASCII found, yet no encoding declared. Add a line like") - l1.pack(side=TOP, anchor=W) - l2 = Entry(top, font="courier") - l2.insert(0, "# -*- coding: %s -*-" % enc) - # For some reason, the text is not selectable anymore if the - # widget is disabled. - # l2['state'] = DISABLED - l2.pack(side=TOP, anchor = W, fill=X) - l3 = Label(top, text="to your file\n" - "Choose OK to save this file as %s\n" - "Edit your general options to silence this warning" % enc) - l3.pack(side=TOP, anchor = W) - - buttons = Frame(top) - buttons.pack(side=TOP, fill=X) - # Both return and cancel mean the same thing: do nothing - self.default = self.cancel = 0 - b1 = Button(buttons, text="Ok", default="active", - command=self.do_ok) - b1.pack(side=LEFT, fill=BOTH, expand=1) - b2 = Button(buttons, text="Edit my file", - command=self.do_edit) - b2.pack(side=LEFT, fill=BOTH, expand=1) - - self._set_transient(master) - - def do_ok(self): - self.done(0) - - def do_edit(self): - self.done(1) - -def coding_spec(str): - """Return the encoding declaration according to PEP 263. - - Raise LookupError if the encoding is declared but unknown. - """ - # Only consider the first two lines - str = str.split("\n")[:2] - str = "\n".join(str) - - match = coding_re.search(str) - if not match: - return None - name = match.group(1) - # Check whether the encoding is known - import codecs - try: - codecs.lookup(name) - except LookupError: - # The standard encoding error does not indicate the encoding - raise LookupError, "Unknown encoding "+name - return name - - -class IOBinding: - - def __init__(self, editwin): - self.editwin = editwin - self.text = editwin.text - self.__id_open = self.text.bind("<>", self.open) - self.__id_save = self.text.bind("<>", self.save) - self.__id_saveas = self.text.bind("<>", - self.save_as) - self.__id_savecopy = self.text.bind("<>", - self.save_a_copy) - self.fileencoding = None - self.__id_print = self.text.bind("<>", self.print_window) - - def close(self): - # Undo command bindings - self.text.unbind("<>", self.__id_open) - self.text.unbind("<>", self.__id_save) - self.text.unbind("<>",self.__id_saveas) - self.text.unbind("<>", self.__id_savecopy) - self.text.unbind("<>", self.__id_print) - # Break cycles - self.editwin = None - self.text = None - self.filename_change_hook = None - - def get_saved(self): - return self.editwin.get_saved() - - def set_saved(self, flag): - self.editwin.set_saved(flag) - - def reset_undo(self): - self.editwin.reset_undo() - - filename_change_hook = None - - def set_filename_change_hook(self, hook): - self.filename_change_hook = hook - - filename = None - dirname = None - - def set_filename(self, filename): - if filename and os.path.isdir(filename): - self.filename = None - self.dirname = filename - else: - self.filename = filename - self.dirname = None - self.set_saved(1) - if self.filename_change_hook: - self.filename_change_hook() - - def open(self, event=None, editFile=None): - if self.editwin.flist: - if not editFile: - filename = self.askopenfile() - else: - filename=editFile - if filename: - # If the current window has no filename and hasn't been - # modified, we replace its contents (no loss). Otherwise - # we open a new window. But we won't replace the - # shell window (which has an interp(reter) attribute), which - # gets set to "not modified" at every new prompt. - try: - interp = self.editwin.interp - except: - interp = None - if not self.filename and self.get_saved() and not interp: - self.editwin.flist.open(filename, self.loadfile) - else: - self.editwin.flist.open(filename) - else: - self.text.focus_set() - return "break" - # - # Code for use outside IDLE: - if self.get_saved(): - reply = self.maybesave() - if reply == "cancel": - self.text.focus_set() - return "break" - if not editFile: - filename = self.askopenfile() - else: - filename=editFile - if filename: - self.loadfile(filename) - else: - self.text.focus_set() - return "break" - - eol = r"(\r\n)|\n|\r" # \r\n (Windows), \n (UNIX), or \r (Mac) - eol_re = re.compile(eol) - eol_convention = os.linesep # Default - - def loadfile(self, filename): - try: - # open the file in binary mode so that we can handle - # end-of-line convention ourselves. - f = open(filename,'rb') - chars = f.read() - f.close() - except IOError, msg: - tkMessageBox.showerror("I/O Error", str(msg), master=self.text) - return False - - chars = self.decode(chars) - # We now convert all end-of-lines to '\n's - firsteol = self.eol_re.search(chars) - if firsteol: - self.eol_convention = firsteol.group(0) - if isinstance(self.eol_convention, unicode): - # Make sure it is an ASCII string - self.eol_convention = self.eol_convention.encode("ascii") - chars = self.eol_re.sub(r"\n", chars) - - self.text.delete("1.0", "end") - self.set_filename(None) - self.text.insert("1.0", chars) - self.reset_undo() - self.set_filename(filename) - self.text.mark_set("insert", "1.0") - self.text.see("insert") - self.updaterecentfileslist(filename) - return True - - def decode(self, chars): - """Create a Unicode string - - If that fails, let Tcl try its best - """ - # Check presence of a UTF-8 signature first - if chars.startswith(BOM_UTF8): - try: - chars = chars[3:].decode("utf-8") - except UnicodeError: - # has UTF-8 signature, but fails to decode... - return chars - else: - # Indicates that this file originally had a BOM - self.fileencoding = BOM_UTF8 - return chars - # Next look for coding specification - try: - enc = coding_spec(chars) - except LookupError, name: - tkMessageBox.showerror( - title="Error loading the file", - message="The encoding '%s' is not known to this Python "\ - "installation. The file may not display correctly" % name, - master = self.text) - enc = None - if enc: - try: - return unicode(chars, enc) - except UnicodeError: - pass - # If it is ASCII, we need not to record anything - try: - return unicode(chars, 'ascii') - except UnicodeError: - pass - # Finally, try the locale's encoding. This is deprecated; - # the user should declare a non-ASCII encoding - try: - chars = unicode(chars, encoding) - self.fileencoding = encoding - except UnicodeError: - pass - return chars - - def maybesave(self): - if self.get_saved(): - return "yes" - message = "Do you want to save %s before closing?" % ( - self.filename or "this untitled document") - m = tkMessageBox.Message( - title="Save On Close", - message=message, - icon=tkMessageBox.QUESTION, - type=tkMessageBox.YESNOCANCEL, - master=self.text) - reply = m.show() - if reply == "yes": - self.save(None) - if not self.get_saved(): - reply = "cancel" - self.text.focus_set() - return reply - - def save(self, event): - if not self.filename: - self.save_as(event) - else: - if self.writefile(self.filename): - self.set_saved(1) - try: - self.editwin.store_file_breaks() - except AttributeError: # may be a PyShell - pass - self.text.focus_set() - return "break" - - def save_as(self, event): - filename = self.asksavefile() - if filename: - if self.writefile(filename): - self.set_filename(filename) - self.set_saved(1) - try: - self.editwin.store_file_breaks() - except AttributeError: - pass - self.text.focus_set() - self.updaterecentfileslist(filename) - return "break" - - def save_a_copy(self, event): - filename = self.asksavefile() - if filename: - self.writefile(filename) - self.text.focus_set() - self.updaterecentfileslist(filename) - return "break" - - def writefile(self, filename): - self.fixlastline() - chars = self.encode(self.text.get("1.0", "end-1c")) - if self.eol_convention != "\n": - chars = chars.replace("\n", self.eol_convention) - try: - f = open(filename, "wb") - f.write(chars) - f.flush() - f.close() - return True - except IOError, msg: - tkMessageBox.showerror("I/O Error", str(msg), - master=self.text) - return False - - def encode(self, chars): - if isinstance(chars, types.StringType): - # This is either plain ASCII, or Tk was returning mixed-encoding - # text to us. Don't try to guess further. - return chars - # See whether there is anything non-ASCII in it. - # If not, no need to figure out the encoding. - try: - return chars.encode('ascii') - except UnicodeError: - pass - # If there is an encoding declared, try this first. - try: - enc = coding_spec(chars) - failed = None - except LookupError, msg: - failed = msg - enc = None - if enc: - try: - return chars.encode(enc) - except UnicodeError: - failed = "Invalid encoding '%s'" % enc - if failed: - tkMessageBox.showerror( - "I/O Error", - "%s. Saving as UTF-8" % failed, - master = self.text) - # If there was a UTF-8 signature, use that. This should not fail - if self.fileencoding == BOM_UTF8 or failed: - return BOM_UTF8 + chars.encode("utf-8") - # Try the original file encoding next, if any - if self.fileencoding: - try: - return chars.encode(self.fileencoding) - except UnicodeError: - tkMessageBox.showerror( - "I/O Error", - "Cannot save this as '%s' anymore. Saving as UTF-8" \ - % self.fileencoding, - master = self.text) - return BOM_UTF8 + chars.encode("utf-8") - # Nothing was declared, and we had not determined an encoding - # on loading. Recommend an encoding line. - config_encoding = idleConf.GetOption("main","EditorWindow", - "encoding") - if config_encoding == 'utf-8': - # User has requested that we save files as UTF-8 - return BOM_UTF8 + chars.encode("utf-8") - ask_user = True - try: - chars = chars.encode(encoding) - enc = encoding - if config_encoding == 'locale': - ask_user = False - except UnicodeError: - chars = BOM_UTF8 + chars.encode("utf-8") - enc = "utf-8" - if not ask_user: - return chars - dialog = EncodingMessage(self.editwin.top, enc) - dialog.go() - if dialog.num == 1: - # User asked us to edit the file - encline = "# -*- coding: %s -*-\n" % enc - firstline = self.text.get("1.0", "2.0") - if firstline.startswith("#!"): - # Insert encoding after #! line - self.text.insert("2.0", encline) - else: - self.text.insert("1.0", encline) - return self.encode(self.text.get("1.0", "end-1c")) - return chars - - def fixlastline(self): - c = self.text.get("end-2c") - if c != '\n': - self.text.insert("end-1c", "\n") - - def print_window(self, event): - tempfilename = None - saved = self.get_saved() - if saved: - filename = self.filename - # shell undo is reset after every prompt, looks saved, probably isn't - if not saved or filename is None: - # XXX KBK 08Jun03 Wouldn't it be better to ask the user to save? - (tfd, tempfilename) = tempfile.mkstemp(prefix='IDLE_tmp_') - filename = tempfilename - os.close(tfd) - if not self.writefile(tempfilename): - os.unlink(tempfilename) - return "break" - platform=os.name - printPlatform=1 - if platform == 'posix': #posix platform - command = idleConf.GetOption('main','General', - 'print-command-posix') - command = command + " 2>&1" - elif platform == 'nt': #win32 platform - command = idleConf.GetOption('main','General','print-command-win') - else: #no printing for this platform - printPlatform=0 - if printPlatform: #we can try to print for this platform - command = command % filename - pipe = os.popen(command, "r") - # things can get ugly on NT if there is no printer available. - output = pipe.read().strip() - status = pipe.close() - if status: - output = "Printing failed (exit status 0x%x)\n" % \ - status + output - if output: - output = "Printing command: %s\n" % repr(command) + output - tkMessageBox.showerror("Print status", output, master=self.text) - else: #no printing for this platform - message="Printing is not enabled for this platform: %s" % platform - tkMessageBox.showinfo("Print status", message, master=self.text) - if tempfilename: - os.unlink(tempfilename) - return "break" - - opendialog = None - savedialog = None - - filetypes = [ - ("Python and text files", "*.py *.pyw *.txt", "TEXT"), - ("All text files", "*", "TEXT"), - ("All files", "*"), - ] - - def askopenfile(self): - dir, base = self.defaultfilename("open") - if not self.opendialog: - self.opendialog = tkFileDialog.Open(master=self.text, - filetypes=self.filetypes) - filename = self.opendialog.show(initialdir=dir, initialfile=base) - if isinstance(filename, unicode): - filename = filename.encode(filesystemencoding) - return filename - - def defaultfilename(self, mode="open"): - if self.filename: - return os.path.split(self.filename) - elif self.dirname: - return self.dirname, "" - else: - try: - pwd = os.getcwd() - except os.error: - pwd = "" - return pwd, "" - - def asksavefile(self): - dir, base = self.defaultfilename("save") - if not self.savedialog: - self.savedialog = tkFileDialog.SaveAs(master=self.text, - filetypes=self.filetypes) - filename = self.savedialog.show(initialdir=dir, initialfile=base) - if isinstance(filename, unicode): - filename = filename.encode(filesystemencoding) - return filename - - def updaterecentfileslist(self,filename): - "Update recent file list on all editor windows" - self.editwin.update_recent_files_list(filename) - -def test(): - root = Tk() - class MyEditWin: - def __init__(self, text): - self.text = text - self.flist = None - self.text.bind("", self.open) - self.text.bind("", self.save) - self.text.bind("", self.save_as) - self.text.bind("", self.save_a_copy) - def get_saved(self): return 0 - def set_saved(self, flag): pass - def reset_undo(self): pass - def open(self, event): - self.text.event_generate("<>") - def save(self, event): - self.text.event_generate("<>") - def save_as(self, event): - self.text.event_generate("<>") - def save_a_copy(self, event): - self.text.event_generate("<>") - text = Text(root) - text.pack() - text.focus_set() - editwin = MyEditWin(text) - io = IOBinding(editwin) - root.mainloop() - -if __name__ == "__main__": - test() -- cgit v1.2.3