99 lines
3.1 KiB
Python
99 lines
3.1 KiB
Python
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import os
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import pipes
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import signal
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def exit_code_str(exception_name, command, exit_code):
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"""String representation for an InvocationError, with exit code
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NOTE: this might also be used by plugin tests (tox-venv at the time of writing),
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so some coordination is needed if this is ever moved or a different solution for this hack
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is found.
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NOTE: this is a separate function because pytest-mock `spy` does not work on Exceptions
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We can use neither a class method nor a static because of https://bugs.python.org/issue23078.
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Even a normal method failed with "TypeError: descriptor '__getattribute__' requires a
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'BaseException' object but received a 'type'".
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"""
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str_ = "{} for command {}".format(exception_name, command)
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if exit_code is not None:
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if exit_code < 0 or (os.name == "posix" and exit_code > 128):
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signals = {
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number: name for name, number in vars(signal).items() if name.startswith("SIG")
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}
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if exit_code < 0:
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# Signal reported via subprocess.Popen.
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sig_name = signals.get(-exit_code)
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str_ += " (exited with code {:d} ({}))".format(exit_code, sig_name)
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else:
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str_ += " (exited with code {:d})".format(exit_code)
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number = exit_code - 128
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name = signals.get(number)
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if name:
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str_ += (
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")\nNote: this might indicate a fatal error signal "
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"({:d} - 128 = {:d}: {})".format(exit_code, number, name)
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)
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str_ += " (exited with code {:d})".format(exit_code)
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return str_
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class Error(Exception):
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def __str__(self):
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return "{}: {}".format(self.__class__.__name__, self.args[0])
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class MissingSubstitution(Error):
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FLAG = "TOX_MISSING_SUBSTITUTION"
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"""placeholder for debugging configurations"""
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def __init__(self, name):
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self.name = name
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class ConfigError(Error):
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"""Error in tox configuration."""
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class UnsupportedInterpreter(Error):
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"""Signals an unsupported Interpreter."""
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class InterpreterNotFound(Error):
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"""Signals that an interpreter could not be found."""
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class InvocationError(Error):
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"""An error while invoking a script."""
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def __init__(self, command, exit_code=None, out=None):
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super(Error, self).__init__(command, exit_code)
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self.command = command
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self.exit_code = exit_code
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self.out = out
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def __str__(self):
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return exit_code_str(self.__class__.__name__, self.command, self.exit_code)
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class MissingDirectory(Error):
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"""A directory did not exist."""
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class MissingDependency(Error):
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"""A dependency could not be found or determined."""
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class MissingRequirement(Error):
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"""A requirement defined in :config:`require` is not met."""
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def __init__(self, config):
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self.config = config
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def __str__(self):
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return " ".join(pipes.quote(i) for i in self.config.requires)
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class BadRequirement(Error):
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"""A requirement defined in :config:`require` cannot be parsed."""
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