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Flags with multiple=True
trigger TypeError
#2246
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davidism
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Regression: Flags with multiple=True trigger TypeError
Flags with Apr 5, 2022
multiple=True
trigger TypeError
amyreese
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Apr 5, 2022
This was referenced Apr 5, 2022
I can't remember what the original discussion about this was, but it seems like this should have been addressed by modifying the default default for
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fumiama
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Jul 16, 2023
Version 8.1.3 Released 2022-04-28 Use verbose form of typing.Callable for @command and @group. pallets/click#2255 Show error when attempting to create an option with multiple=True, is_flag=True. Use count instead. pallets/click#2246 Version 8.1.2 Released 2022-03-31 Fix error message for readable path check that was mixed up with the executable check. pallets/click#2236 Restore parameter order for Path, placing the executable parameter at the end. It is recommended to use keyword arguments instead of positional arguments. pallets/click#2235 Version 8.1.1 Released 2022-03-30 Fix an issue with decorator typing that caused type checking to report that a command was not callable. pallets/click#2227 Version 8.1.0 Released 2022-03-28 Drop support for Python 3.6. pallets/click#2129 Remove previously deprecated code. pallets/click#2130 Group.resultcallback is renamed to result_callback. autocompletion parameter to Command is renamed to shell_complete. get_terminal_size is removed, use shutil.get_terminal_size instead. get_os_args is removed, use sys.argv[1:] instead. Rely on PEP 538 and PEP 540 to handle selecting UTF-8 encoding instead of ASCII. Click’s locale encoding detection is removed. pallets/click#2198 Single options boolean flags with show_default=True only show the default if it is True. pallets/click#1971 The command and group decorators can be applied with or without parentheses. pallets/click#1359 The Path type can check whether the target is executable. pallets/click#1961 Command.show_default overrides Context.show_default, instead of the other way around. pallets/click#1963 Parameter decorators and @group handles cls=None the same as not passing cls. @option handles help=None the same as not passing help. pallets/click#1959 A flag option with required=True requires that the flag is passed instead of choosing the implicit default value. pallets/click#1978 Indentation in help text passed to Option and Command is cleaned the same as using the @option and @command decorators does. A command’s epilog and short_help are also processed. pallets/click#1985 Store unprocessed Command.help, epilog and short_help strings. Processing is only done when formatting help text for output. pallets/click#2149 Allow empty str input for prompt() when confirmation_prompt=True and default="". pallets/click#2157 Windows glob pattern expansion doesn’t fail if a value is an invalid pattern. pallets/click#2195 It’s possible to pass a list of params to @command. Any params defined with decorators are appended to the passed params. pallets/click#2131 @command decorator is annotated as returning the correct type if a cls argument is used. pallets/click#2211 A Group with invoke_without_command=True and chain=False will invoke its result callback with the group function’s return value. pallets/click#2124 to_info_dict will not fail if a ParamType doesn’t define a name. pallets/click#2168 Shell completion prioritizes option values with option prefixes over new options. pallets/click#2040 Options that get an environment variable value using autoenvvar_prefix treat an empty value as None, consistent with a direct envvar. pallets/click#2146 Version 8.0.4 Released 2022-02-18 open_file recognizes Path("-") as a standard stream, the same as the string "-". pallets/click#2106 The option and argument decorators preserve the type annotation of the decorated function. pallets/click#2155 A callable default value can customize its help text by overriding __str__ instead of always showing (dynamic). pallets/click#2099 Fix a typo in the Bash completion script that affected file and directory completion. If this script was generated by a previous version, it should be regenerated. pallets/click#2163 Fix typing for echo and secho file argument. pallets/click#2174, pallets/click#2185 Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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Adding an option with
is_flag=True
andmultiple=True
will trigger aTypeError
inParameter.consume_value()
due to bad default value.When run without the flag, a TypeError is raised:
Manually setting a better default value, like
default=()
, avoids the type error, but this used to work on 7.x without setting the default value.Environment:
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