71 lines
2.2 KiB
Python
71 lines
2.2 KiB
Python
import code
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import inspect
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from pprint import pprint
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class REBLConsole(code.InteractiveConsole):
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def __init__(self, locals=None):
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super().__init__(locals)
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self._breakpoints = set()
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def showsource(self, obj):
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"""显示对象源代码"""
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try:
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lines, start = inspect.getsourcelines(obj)
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print(f"Source code of {obj.__name__}:")
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for i, line in enumerate(lines, start):
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print(f"{i:4d}: {line.rstrip()}")
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except (TypeError, OSError):
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print("No source code available")
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def inspect(self, obj):
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"""检查对象详细信息"""
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print(f"Inspecting {type(obj).__name__}:")
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pprint(dir(obj))
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if callable(obj):
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print("\nSignature:")
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print(inspect.signature(obj))
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def add_breakpoint(self, line_no):
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"""添加断点"""
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self._breakpoints.add(line_no)
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print(f"Breakpoint set at line {line_no}")
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def runcode(self, code_obj):
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"""执行代码并处理断点"""
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try:
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exec(code_obj, self.locals)
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except SystemExit:
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raise
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except:
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self.showtraceback()
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def start_rebl():
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"""启动REBL环境"""
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print("Python REBL - Read Eval Break Loop")
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print("Type 'help' for available commands")
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console = REBLConsole(locals())
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while True:
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try:
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code_input = input("rebl> ")
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if code_input.strip() == "help":
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print("REBL commands:")
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print(" help - 显示帮助")
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print(" inspect(obj) - 检查对象")
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print(" source(obj) - 显示源代码")
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print(" break(line) - 设置断点")
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print(" exit - 退出REBL")
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continue
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elif code_input.strip() == "exit":
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break
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console.push(code_input)
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except KeyboardInterrupt:
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print("\nKeyboardInterrupt")
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except EOFError:
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break
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if __name__ == "__main__":
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start_rebl() |