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74 lines
2.7 KiB
74 lines
2.7 KiB
#!/usr/bin/env python3 |
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# MIT License |
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# |
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# Copyright (c) 2021 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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# Example from: |
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# https://stackoverflow.com/questions/40931467/how-can-i-manually-get-my-terminal-to-return-its-character-size |
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import sys, os, select, signal, re |
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import logging |
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try: import fcntl, termios, tty |
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except Exception as e: |
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print(f'ERROR: {e}') |
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exit(1) |
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# Init |
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_attr = termios.tcgetattr(sys.stdin) |
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tty.setcbreak(sys.stdin) |
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def read_new(): |
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stdinRead = '' |
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while rlist := select.select( [sys.stdin], [], [] )[0]: |
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_fl = fcntl.fcntl(sys.stdin, fcntl.F_GETFL) |
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fcntl.fcntl(sys.stdin, fcntl.F_SETFL, _fl | os.O_NONBLOCK) # Set the input as NONBLOCK to read the full sequence |
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stdinRead = sys.stdin.buffer.read() |
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fcntl.fcntl(sys.stdin, fcntl.F_SETFL, _fl) |
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try: |
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stdinRead = stdinRead.decode() |
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except Exception as e: |
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yield f"bin: {stdinRead}" |
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continue |
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print(f"{len(stdinRead)=}") |
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if '\033' in stdinRead: |
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stdinSplit = stdinRead.split('\033') |
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for ansi in stdinSplit[1:]: |
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print(f"{ansi=}") |
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yield '<ESC>'+ansi |
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else: |
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for ch in stdinRead: |
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yield ch |
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try: |
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sys.stdout.write('\033[s\033[999;999H\033[6n\033[u') |
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sys.stdout.flush() |
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for stdinRead in read_new(): |
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print(f"{stdinRead=}") |
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if m := re.match(r"<ESC>\[(\d+);(\d+)R",stdinRead): |
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h = int(m.group(1)) |
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w = int(m.group(2)) |
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print(f"{w=} {h=}") |
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break |
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finally: |
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# Reset |
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termios.tcsetattr(sys.stdin, termios.TCSANOW, _attr)
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