FeatureEnVi: Visual Analytics for Feature Engineering Using Stepwise Selection and Semi-Automatic Extraction Approaches https://doi.org/10.1109/TVCG.2022.3141040
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FeatureEnVi/backend/venv/lib/python3.7/site-packages/click/exceptions.py

201 lines
6.6 KiB

from ._compat import PY2, filename_to_ui, get_text_stderr
from .utils import echo
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):
if PY2:
if message is not None:
message = message.encode('utf-8')
Exception.__init__(self, message)
self.message = message
def format_message(self):
return self.message
def show(self, file=None):
if file is None:
file = get_text_stderr()
echo('Error: %s' % 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
def show(self, file=None):
if file is None:
file = get_text_stderr()
color = None
if self.ctx is not None:
color = self.ctx.color
echo(self.ctx.get_usage() + '\n', file=file, color=color)
echo('Error: %s' % 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.opts or [self.param.human_readable_name]
else:
return 'Invalid value: %s' % self.message
if isinstance(param_hint, (tuple, list)):
param_hint = ' / '.join('"%s"' % x for x in param_hint)
return 'Invalid value for %s: %s' % (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.opts or [self.param.human_readable_name]
else:
param_hint = None
if isinstance(param_hint, (tuple, list)):
param_hint = ' / '.join('"%s"' % x for x in 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 += '. ' + msg_extra
else:
msg = msg_extra
return 'Missing %s%s%s%s' % (
param_type,
param_hint and ' %s' % param_hint or '',
msg and '. ' or '.',
msg or '',
)
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: %s' % 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 %s?' % self.possibilities[0])
else:
possibilities = sorted(self.possibilities)
bits.append('(Possible options: %s)' % ', '.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
"""
def __init__(self, message, ctx=None):
UsageError.__init__(self, message, ctx)
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 %s: %s' % (self.ui_filename, self.message)
class Abort(RuntimeError):
"""An internal signalling exception that signals Click to abort."""