mirror of
https://github.com/PiBrewing/craftbeerpi4.git
synced 2024-12-29 00:41:45 +01:00
254 lines
7.9 KiB
Python
254 lines
7.9 KiB
Python
|
from ._compat import filename_to_ui
|
||
|
from ._compat import get_text_stderr
|
||
|
from ._compat import PY2
|
||
|
from .utils import echo
|
||
|
|
||
|
|
||
|
def _join_param_hints(param_hint):
|
||
|
if isinstance(param_hint, (tuple, list)):
|
||
|
return " / ".join(repr(x) for x in param_hint)
|
||
|
return param_hint
|
||
|
|
||
|
|
||
|
class ClickException(Exception):
|
||
|
"""An exception that Click can handle and show to the user."""
|
||
|
|
||
|
#: The exit code for this exception
|
||
|
exit_code = 1
|
||
|
|
||
|
def __init__(self, message):
|
||
|
ctor_msg = message
|
||
|
if PY2:
|
||
|
if ctor_msg is not None:
|
||
|
ctor_msg = ctor_msg.encode("utf-8")
|
||
|
Exception.__init__(self, ctor_msg)
|
||
|
self.message = message
|
||
|
|
||
|
def format_message(self):
|
||
|
return self.message
|
||
|
|
||
|
def __str__(self):
|
||
|
return self.message
|
||
|
|
||
|
if PY2:
|
||
|
__unicode__ = __str__
|
||
|
|
||
|
def __str__(self):
|
||
|
return self.message.encode("utf-8")
|
||
|
|
||
|
def show(self, file=None):
|
||
|
if file is None:
|
||
|
file = get_text_stderr()
|
||
|
echo("Error: {}".format(self.format_message()), file=file)
|
||
|
|
||
|
|
||
|
class UsageError(ClickException):
|
||
|
"""An internal exception that signals a usage error. This typically
|
||
|
aborts any further handling.
|
||
|
|
||
|
:param message: the error message to display.
|
||
|
:param ctx: optionally the context that caused this error. Click will
|
||
|
fill in the context automatically in some situations.
|
||
|
"""
|
||
|
|
||
|
exit_code = 2
|
||
|
|
||
|
def __init__(self, message, ctx=None):
|
||
|
ClickException.__init__(self, message)
|
||
|
self.ctx = ctx
|
||
|
self.cmd = self.ctx.command if self.ctx else None
|
||
|
|
||
|
def show(self, file=None):
|
||
|
if file is None:
|
||
|
file = get_text_stderr()
|
||
|
color = None
|
||
|
hint = ""
|
||
|
if self.cmd is not None and self.cmd.get_help_option(self.ctx) is not None:
|
||
|
hint = "Try '{} {}' for help.\n".format(
|
||
|
self.ctx.command_path, self.ctx.help_option_names[0]
|
||
|
)
|
||
|
if self.ctx is not None:
|
||
|
color = self.ctx.color
|
||
|
echo("{}\n{}".format(self.ctx.get_usage(), hint), file=file, color=color)
|
||
|
echo("Error: {}".format(self.format_message()), file=file, color=color)
|
||
|
|
||
|
|
||
|
class BadParameter(UsageError):
|
||
|
"""An exception that formats out a standardized error message for a
|
||
|
bad parameter. This is useful when thrown from a callback or type as
|
||
|
Click will attach contextual information to it (for instance, which
|
||
|
parameter it is).
|
||
|
|
||
|
.. versionadded:: 2.0
|
||
|
|
||
|
:param param: the parameter object that caused this error. This can
|
||
|
be left out, and Click will attach this info itself
|
||
|
if possible.
|
||
|
:param param_hint: a string that shows up as parameter name. This
|
||
|
can be used as alternative to `param` in cases
|
||
|
where custom validation should happen. If it is
|
||
|
a string it's used as such, if it's a list then
|
||
|
each item is quoted and separated.
|
||
|
"""
|
||
|
|
||
|
def __init__(self, message, ctx=None, param=None, param_hint=None):
|
||
|
UsageError.__init__(self, message, ctx)
|
||
|
self.param = param
|
||
|
self.param_hint = param_hint
|
||
|
|
||
|
def format_message(self):
|
||
|
if self.param_hint is not None:
|
||
|
param_hint = self.param_hint
|
||
|
elif self.param is not None:
|
||
|
param_hint = self.param.get_error_hint(self.ctx)
|
||
|
else:
|
||
|
return "Invalid value: {}".format(self.message)
|
||
|
param_hint = _join_param_hints(param_hint)
|
||
|
|
||
|
return "Invalid value for {}: {}".format(param_hint, self.message)
|
||
|
|
||
|
|
||
|
class MissingParameter(BadParameter):
|
||
|
"""Raised if click required an option or argument but it was not
|
||
|
provided when invoking the script.
|
||
|
|
||
|
.. versionadded:: 4.0
|
||
|
|
||
|
:param param_type: a string that indicates the type of the parameter.
|
||
|
The default is to inherit the parameter type from
|
||
|
the given `param`. Valid values are ``'parameter'``,
|
||
|
``'option'`` or ``'argument'``.
|
||
|
"""
|
||
|
|
||
|
def __init__(
|
||
|
self, message=None, ctx=None, param=None, param_hint=None, param_type=None
|
||
|
):
|
||
|
BadParameter.__init__(self, message, ctx, param, param_hint)
|
||
|
self.param_type = param_type
|
||
|
|
||
|
def format_message(self):
|
||
|
if self.param_hint is not None:
|
||
|
param_hint = self.param_hint
|
||
|
elif self.param is not None:
|
||
|
param_hint = self.param.get_error_hint(self.ctx)
|
||
|
else:
|
||
|
param_hint = None
|
||
|
param_hint = _join_param_hints(param_hint)
|
||
|
|
||
|
param_type = self.param_type
|
||
|
if param_type is None and self.param is not None:
|
||
|
param_type = self.param.param_type_name
|
||
|
|
||
|
msg = self.message
|
||
|
if self.param is not None:
|
||
|
msg_extra = self.param.type.get_missing_message(self.param)
|
||
|
if msg_extra:
|
||
|
if msg:
|
||
|
msg += ". {}".format(msg_extra)
|
||
|
else:
|
||
|
msg = msg_extra
|
||
|
|
||
|
return "Missing {}{}{}{}".format(
|
||
|
param_type,
|
||
|
" {}".format(param_hint) if param_hint else "",
|
||
|
". " if msg else ".",
|
||
|
msg or "",
|
||
|
)
|
||
|
|
||
|
def __str__(self):
|
||
|
if self.message is None:
|
||
|
param_name = self.param.name if self.param else None
|
||
|
return "missing parameter: {}".format(param_name)
|
||
|
else:
|
||
|
return self.message
|
||
|
|
||
|
if PY2:
|
||
|
__unicode__ = __str__
|
||
|
|
||
|
def __str__(self):
|
||
|
return self.__unicode__().encode("utf-8")
|
||
|
|
||
|
|
||
|
class NoSuchOption(UsageError):
|
||
|
"""Raised if click attempted to handle an option that does not
|
||
|
exist.
|
||
|
|
||
|
.. versionadded:: 4.0
|
||
|
"""
|
||
|
|
||
|
def __init__(self, option_name, message=None, possibilities=None, ctx=None):
|
||
|
if message is None:
|
||
|
message = "no such option: {}".format(option_name)
|
||
|
UsageError.__init__(self, message, ctx)
|
||
|
self.option_name = option_name
|
||
|
self.possibilities = possibilities
|
||
|
|
||
|
def format_message(self):
|
||
|
bits = [self.message]
|
||
|
if self.possibilities:
|
||
|
if len(self.possibilities) == 1:
|
||
|
bits.append("Did you mean {}?".format(self.possibilities[0]))
|
||
|
else:
|
||
|
possibilities = sorted(self.possibilities)
|
||
|
bits.append("(Possible options: {})".format(", ".join(possibilities)))
|
||
|
return " ".join(bits)
|
||
|
|
||
|
|
||
|
class BadOptionUsage(UsageError):
|
||
|
"""Raised if an option is generally supplied but the use of the option
|
||
|
was incorrect. This is for instance raised if the number of arguments
|
||
|
for an option is not correct.
|
||
|
|
||
|
.. versionadded:: 4.0
|
||
|
|
||
|
:param option_name: the name of the option being used incorrectly.
|
||
|
"""
|
||
|
|
||
|
def __init__(self, option_name, message, ctx=None):
|
||
|
UsageError.__init__(self, message, ctx)
|
||
|
self.option_name = option_name
|
||
|
|
||
|
|
||
|
class BadArgumentUsage(UsageError):
|
||
|
"""Raised if an argument is generally supplied but the use of the argument
|
||
|
was incorrect. This is for instance raised if the number of values
|
||
|
for an argument is not correct.
|
||
|
|
||
|
.. versionadded:: 6.0
|
||
|
"""
|
||
|
|
||
|
def __init__(self, message, ctx=None):
|
||
|
UsageError.__init__(self, message, ctx)
|
||
|
|
||
|
|
||
|
class FileError(ClickException):
|
||
|
"""Raised if a file cannot be opened."""
|
||
|
|
||
|
def __init__(self, filename, hint=None):
|
||
|
ui_filename = filename_to_ui(filename)
|
||
|
if hint is None:
|
||
|
hint = "unknown error"
|
||
|
ClickException.__init__(self, hint)
|
||
|
self.ui_filename = ui_filename
|
||
|
self.filename = filename
|
||
|
|
||
|
def format_message(self):
|
||
|
return "Could not open file {}: {}".format(self.ui_filename, self.message)
|
||
|
|
||
|
|
||
|
class Abort(RuntimeError):
|
||
|
"""An internal signalling exception that signals Click to abort."""
|
||
|
|
||
|
|
||
|
class Exit(RuntimeError):
|
||
|
"""An exception that indicates that the application should exit with some
|
||
|
status code.
|
||
|
|
||
|
:param code: the status code to exit with.
|
||
|
"""
|
||
|
|
||
|
__slots__ = ("exit_code",)
|
||
|
|
||
|
def __init__(self, code=0):
|
||
|
self.exit_code = code
|