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134 lines
5.3 KiB
134 lines
5.3 KiB
#!/usr/bin/env python3 |
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# MIT License |
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# |
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# Copyright (c) 2023 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com> |
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# |
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# Permission is hereby granted, free of charge, to any person obtaining a copy |
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# of this software and associated documentation files (the"Software"), to deal |
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# in the Software without restriction, including without limitation the rights |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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# copies of the Software, and to permit persons to whom the Software is |
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# furnished to do so, subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be included in all |
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# copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED"AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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# This test is based on: |
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# pyte - In memory VTXXX-compatible terminal emulator. |
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# Terminal Emulator Example |
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# https://github.com/selectel/pyte/blob/master/examples/terminal_emulator.py |
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# |
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# pty — Pseudo-terminal utilities¶ |
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# https://docs.python.org/3/library/pty.html#example |
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# |
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# Using a pseudo-terminal to interact with interactive Python in a subprocess |
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# by Thomas Billinger |
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# https://gist.github.com/thomasballinger/7979808 |
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# |
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# Run interactive Bash with popen and a dedicated TTY Python |
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# https://stackoverflow.com/questions/41542960/run-interactive-bash-with-popen-and-a-dedicated-tty-python |
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import os |
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import pty |
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import sys |
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import threading |
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from select import select |
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sys.path.append(os.path.join(sys.path[0],'../../libs/pyTermTk')) |
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import TermTk as ttk |
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class TermThread(threading.Thread): |
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def __init__(self): |
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super().__init__() |
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self._shell = os.environ.get('SHELL', 'sh') |
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# This slice is loosely inspired by: |
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# https://github.com/selectel/pyte/blob/b40cf6261fdf7a05a7d7fd04ea7d9b0ea1743269/examples/terminal_emulator.py#L109-L115 |
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pid, self._fd = pty.fork() |
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if pid == 0: |
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argv = [self._shell] |
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env = dict(TERM="screen", DISPLAY=":1") |
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os.execvpe(argv[0], argv, env) |
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self._inout = os.fdopen(self._fd, "w+b", 0) |
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name = os.ttyname(self._fd) |
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ttk.TTkLog.debug(f"{self._fd=} {name}") |
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def setTextEdit(self, te): |
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self.textEdit = te |
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def run(self): |
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while rs := select( [self._inout], [], [])[0]: |
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ttk.TTkLog.debug(f"Select - {rs=}") |
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for r in rs: |
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if r is self._inout: |
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try: |
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o = self._inout.read(10240) |
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except Exception as e: |
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ttk.TTkLog.error(f"Error: {e=}") |
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return |
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if o: |
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ttk.TTkLog.debug(f'Eugenio->{o}') |
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# self.textEdit.append(o.decode('utf-8').replace('\r','').replace('\033[?2004h','').replace('\033[?2004l','')) |
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cursor = self.textEdit.textCursor() |
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cursor.insertText(o.decode('utf-8').replace('\r','').replace('\033[?2004h','').replace('\033[?2004l','')) |
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# cursor.insertText(o.decode('utf-8').replace('\r','<-r->').replace('\033','<-ESC->')) |
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cursor.movePosition(ttk.TTkTextCursor.End) |
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self.textEdit.textEditView()._updateSize() |
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self.textEdit.textEditView().viewMoveTo(0, cursor.position().line) |
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class TerminalView(ttk.TTkTextEditView): |
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def __init__(self, *args, **kwargs): |
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super().__init__(*args, **kwargs) |
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self.termThread = kwargs.get('termThread') |
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self.setReadOnly(False) |
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def mousePressEvent(self, evt): |
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return True |
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def keyEvent(self, evt): |
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if evt.type == ttk.TTkK.SpecialKey: |
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if evt.key == ttk.TTkK.Key_Enter: |
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ttk.TTkLog.debug(f"Key: {evt}") |
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self.termThread._inout.write(b'\n') |
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else: # Input char |
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ttk.TTkLog.debug(f"Key: {evt.key}") |
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self.termThread._inout.write(evt.key.encode()) |
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return True |
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ttk.TTkLog.use_default_file_logging() |
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root = ttk.TTk() |
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wlog = ttk.TTkWindow(parent=root,pos = (32,12), size=(90,20), title="Log Window", flags=ttk.TTkK.WindowFlag.WindowCloseButtonHint) |
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wlog.setLayout(ttk.TTkHBoxLayout()) |
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ttk.TTkLogViewer(parent=wlog, follow=True ) |
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win1 = ttk.TTkWindow(parent=root, pos=(1,1), size=(70,15), title="Terminallo n.1", border=True, layout=ttk.TTkVBoxLayout(), flags = ttk.TTkK.WindowFlag.WindowMinMaxButtonsHint) |
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tt1 = TermThread() |
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te1 = ttk.TTkTextEdit(lineNumber=True, textEditView=TerminalView(termThread=tt1)) |
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win1.layout().addWidget(te1) |
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tt1.setTextEdit(te1) |
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tt1.start() |
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win2 = ttk.TTkWindow(parent=root, pos=(10,5), size=(70,15), title="Terminallo n.2", border=True, layout=ttk.TTkVBoxLayout(), flags = ttk.TTkK.WindowFlag.WindowMinMaxButtonsHint) |
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tt2 = TermThread() |
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te2 = ttk.TTkTextEdit(lineNumber=True, textEditView=TerminalView(termThread=tt2)) |
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win2.layout().addWidget(te2) |
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tt2.setTextEdit(te2) |
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tt2.start() |
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root.mainloop() |