105 lines
2.8 KiB
Python
105 lines
2.8 KiB
Python
# Copyright 2015 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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""" Re-usable input widgets
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"""
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import logging
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import re
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from functools import partial
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from urwid import Edit, IntEdit
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from subiquitycore.ui.container import WidgetWrap
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from subiquitycore.ui.selector import Selector
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log = logging.getLogger("subiquitycore.ui.interactive")
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class StringEditor(Edit):
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"""Edit input class
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Attaches its result to the `value` accessor.
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"""
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@property
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def value(self):
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return self.get_edit_text()
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@value.setter # NOQA
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def value(self, value):
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self.set_edit_text(value)
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class PasswordEditor(StringEditor):
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"""Password input prompt with masking"""
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def __init__(self, mask="*"):
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super().__init__(mask=mask)
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class RestrictedEditor(StringEditor):
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"""Editor that only allows certain characters."""
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def __init__(self, allowed=None):
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super().__init__()
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self.matcher = re.compile(allowed)
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def valid_char(self, ch):
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return len(ch) == 1 and self.matcher.match(ch) is not None
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RealnameEditor = partial(RestrictedEditor, r"[^:,=]")
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EmailEditor = partial(RestrictedEditor, r"[-a-zA-Z0-9_.@+=]")
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class UsernameEditor(StringEditor):
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"""Username input prompt with input rules"""
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def keypress(self, size, key):
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"""restrict what chars we allow for username"""
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if self._command_map[key] is not None:
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return super().keypress(size, key)
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new_text = self.insert_text_result(key)[0]
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username = r"[a-z_][a-z0-9_-]*"
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# don't allow non username chars
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if new_text != "" and re.match(username, new_text) is None:
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return False
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return super().keypress(size, key)
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class IntegerEditor(WidgetWrap):
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"""IntEdit input class"""
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def __init__(self, default=0):
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self._edit = IntEdit(default=default)
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super().__init__(self._edit)
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@property
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def value(self):
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return self._edit.value()
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@value.setter
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def value(self, val):
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return self._edit.set_edit_text(str(val))
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class YesNo(Selector):
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"""Yes/No selector"""
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def __init__(self):
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opts = [_("Yes"), _("No")]
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super().__init__(opts)
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