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https://github.com/xonsh/xonsh.git
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ecc1ab1020
* feat: add function to make event registration from function signature * docs: add xontrib special functions description * feat: handle xontribs with special functions also reduce usage of XSH singleton * fix: missing XSH for now import singleton * docs: fix .rst format * fix: failing tests * feat: implement primitive xontrib-unload and xontrib-reload * chore: give explicit name * docs: update doc
68 lines
1.6 KiB
Python
68 lines
1.6 KiB
Python
"""
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This adds `xog` - a simple command to establish and print temporary traceback log file.
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"""
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import os
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import pathlib
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import tempfile
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from xonsh.built_ins import XSH, XonshSession
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def _get_log_file_name():
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return pathlib.Path(f"{tempfile.gettempdir()}/xonsh-{os.getpid()}.log")
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def _clear_log(logfile, stderr):
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try:
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os.remove(logfile)
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except OSError as e:
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print(f"xog: {e}", file=stderr)
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return False
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return True
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def _print_log(logfile, stdout, stderr):
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try:
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with open(logfile) as log:
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for line in log:
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print(line, end="", file=stdout)
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except OSError as e:
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print(f"xog: {e}", file=stderr)
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return False
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return True
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def _print_help(stdout):
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print(
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"""Usage: xog [OPTIONS]
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Prints contents of the shell's traceback log file.
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Options:
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-c, --clear\t\tclear the log file contents
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-?, --help\t\tprint this help text
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"""
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)
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def _xog(args, stdout=None, stderr=None):
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if "-?" in args or "--help" in args:
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_print_help(stdout)
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return 0
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logfile = XSH.env.get("XONSH_TRACEBACK_LOGFILE", "")
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if not (logfile and os.path.isfile(logfile)):
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print("Traceback log file doesn't exist.", file=stderr)
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return -1
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if "-c" in args or "--clear" in args:
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rc = _clear_log(logfile, stderr=stderr)
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return 0 if rc else -1
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rc = _print_log(logfile, stdout, stderr)
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return 0 if rc else -1
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def _load_xontrib_(xsh: XonshSession, **_):
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xsh.env["XONSH_TRACEBACK_LOGFILE"] = _get_log_file_name()
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xsh.aliases["xog"] = _xog
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