81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
import sys
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if sys.platform != "win32":
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import readline
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original_ps1 = ">>> "
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class repl_hooks:
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def __init__(self):
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self.global_exit = None
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self.failure_flag = False
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self.original_excepthook = sys.excepthook
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self.original_displayhook = sys.displayhook
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sys.excepthook = self.my_excepthook
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sys.displayhook = self.my_displayhook
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def my_displayhook(self, value):
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if value is None:
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self.failure_flag = False
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self.original_displayhook(value)
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def my_excepthook(self, type, value, traceback):
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self.global_exit = value
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self.failure_flag = True
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self.original_excepthook(type, value, traceback)
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def get_last_command():
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# Get the last history item
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last_command = ""
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if sys.platform != "win32":
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last_command = readline.get_history_item(readline.get_current_history_length())
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return last_command
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class ps1:
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hooks = repl_hooks()
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sys.excepthook = hooks.my_excepthook
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sys.displayhook = hooks.my_displayhook
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# str will get called for every prompt with exit code to show success/failure
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def __str__(self):
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exit_code = 0
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if self.hooks.failure_flag:
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exit_code = 1
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else:
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exit_code = 0
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self.hooks.failure_flag = False
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# Guide following official VS Code doc for shell integration sequence:
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result = ""
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# For non-windows allow recent_command history.
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if sys.platform != "win32":
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result = "{command_line}{command_finished}{prompt_started}{prompt}{command_start}{command_executed}".format(
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command_line="\x1b]633;E;" + str(get_last_command()) + "\x07",
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command_finished="\x1b]633;D;" + str(exit_code) + "\x07",
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prompt_started="\x1b]633;A\x07",
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prompt=original_ps1,
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command_start="\x1b]633;B\x07",
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command_executed="\x1b]633;C\x07",
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)
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else:
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result = "{command_finished}{prompt_started}{prompt}{command_start}{command_executed}".format(
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command_finished="\x1b]633;D;" + str(exit_code) + "\x07",
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prompt_started="\x1b]633;A\x07",
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prompt=original_ps1,
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command_start="\x1b]633;B\x07",
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command_executed="\x1b]633;C\x07",
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)
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# result = f"{chr(27)}]633;D;{exit_code}{chr(7)}{chr(27)}]633;A{chr(7)}{original_ps1}{chr(27)}]633;B{chr(7)}{chr(27)}]633;C{chr(7)}"
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return result
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if sys.platform != "win32":
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sys.ps1 = ps1()
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