1 files changed, 0 insertions, 146 deletions
diff --git a/Demo/tkinter/guido/shell_window.py b/Demo/tkinter/guido/shell_window.py
deleted file mode 100644
index c5a0401..0000000
--- a/Demo/tkinter/guido/shell_window.py
+++ /dev/null
@@ -1,146 +0,0 @@
-import os
-import sys
-from tkinter import *
-from tkinter.scrolledtext import ScrolledText
-from tkinter.dialog import Dialog
-import signal
-
-BUFSIZE = 512
-
-class ShellWindow(ScrolledText):
-
-    def __init__(self, master=None, shell=None, **cnf):
-        if not shell:
-            try:
-                shell = os.environ['SHELL']
-            except KeyError:
-                shell = '/bin/sh'
-            shell = shell + ' -i'
-        args = shell.split()
-        shell = args[0]
-
-        ScrolledText.__init__(self, master, **cnf)
-        self.pos = '1.0'
-        self.bind('<Return>', self.inputhandler)
-        self.bind('<Control-c>', self.sigint)
-        self.bind('<Control-t>', self.sigterm)
-        self.bind('<Control-k>', self.sigkill)
-        self.bind('<Control-d>', self.sendeof)
-
-        self.pid, self.fromchild, self.tochild = spawn(shell, args)
-        self.tk.createfilehandler(self.fromchild, READABLE,
-                                  self.outputhandler)
-
-    def outputhandler(self, file, mask):
-        data = os.read(file, BUFSIZE).decode()
-        if not data:
-            self.tk.deletefilehandler(file)
-            pid, sts = os.waitpid(self.pid, 0)
-            print('pid', pid, 'status', sts)
-            self.pid = None
-            detail = sts>>8
-            cause = sts & 0xff
-            if cause == 0:
-                msg = "exit status %d" % detail
-            else:
-                msg = "killed by signal %d" % (cause & 0x7f)
-                if cause & 0x80:
-                    msg = msg + " -- core dumped"
-            Dialog(self.master,
-                   text=msg,
-                   title="Exit status",
-                   bitmap='warning',
-                   default=0,
-                   strings=('OK',))
-            return
-        self.insert(END, data)
-        self.pos = self.index("end - 1 char")
-        self.yview_pickplace(END)
-
-    def inputhandler(self, *args):
-        if not self.pid:
-            self.no_process()
-            return "break"
-        self.insert(END, "\n")
-        line = self.get(self.pos, "end - 1 char")
-        self.pos = self.index(END)
-        os.write(self.tochild, line.encode())
-        return "break"
-
-    def sendeof(self, *args):
-        if not self.pid:
-            self.no_process()
-            return "break"
-        os.close(self.tochild)
-        return "break"
-
-    def sendsig(self, sig):
-        if not self.pid:
-            self.no_process()
-            return "break"
-        os.kill(self.pid, sig)
-        return "break"
-
-    def sigint(self, *args):
-        return self.sendsig(signal.SIGINT)
-
-    def sigquit(self, *args):
-        return self.sendsig(signal.SIGQUIT)
-
-    def sigterm(self, *args):
-        return self.sendsig(signal.SIGTERM)
-
-    def sigkill(self, *args):
-        return self.sendsig(signal.SIGKILL)
-
-    def no_process(self):
-        Dialog(self.master,
-               text="No active process",
-               title="No process",
-               bitmap='error',
-               default=0,
-               strings=('OK',))
-
-MAXFD = 100     # Max number of file descriptors (os.getdtablesize()???)
-
-def spawn(prog, args):
-    p2cread, p2cwrite = os.pipe()
-    c2pread, c2pwrite = os.pipe()
-    pid = os.fork()
-    if pid == 0:
-        # Child
-        for i in 0, 1, 2:
-            try:
-                os.close(i)
-            except os.error:
-                pass
-        if os.dup(p2cread) != 0:
-            sys.stderr.write('popen2: bad read dup\n')
-        if os.dup(c2pwrite) != 1:
-            sys.stderr.write('popen2: bad write dup\n')
-        if os.dup(c2pwrite) != 2:
-            sys.stderr.write('popen2: bad write dup\n')
-        os.closerange(3, MAXFD)
-        try:
-            os.execvp(prog, args)
-        finally:
-            sys.stderr.write('execvp failed\n')
-            os._exit(1)
-    os.close(p2cread)
-    os.close(c2pwrite)
-    return pid, c2pread, p2cwrite
-
-def test():
-    shell = ' '.join(sys.argv[1: ])
-    root = Tk()
-    root.minsize(1, 1)
-    if shell:
-        w = ShellWindow(root, shell=shell)
-    else:
-        w = ShellWindow(root)
-    w.pack(expand=1, fill=BOTH)
-    w.focus_set()
-    w.tk.mainloop()
-
-if __name__ == '__main__':
-    test()