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https://github.com/Sneed-Group/Poodletooth-iLand
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242 lines
9 KiB
Python
242 lines
9 KiB
Python
#----------------------------------------------------------------------------
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# Name: masked.ipaddrctrl.py
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# Authors: Will Sadkin
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# Email: wsadkin@nameconnector.com
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# Created: 02/11/2003
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# Copyright: (c) 2003 by Will Sadkin, 2003
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# License: wxWidgets license
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#
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# Tags: phoenix-port, py3-port, unittest, documented
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#
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#----------------------------------------------------------------------------
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# NOTE:
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# Masked.IpAddrCtrl is a minor modification to masked.TextCtrl, that is
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# specifically tailored for entering IP addresses. It allows for
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# right-insert fields and provides an accessor to obtain the entered
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# address with extra whitespace removed.
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#
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#----------------------------------------------------------------------------
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"""
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Provides a smart text input control that understands the structure and
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limits of IP Addresses, and allows automatic field navigation as the
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user hits '.' when typing.
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"""
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import wx
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import wx.lib.six as six
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from wx.lib.masked import BaseMaskedTextCtrl
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# jmg 12/9/03 - when we cut ties with Py 2.2 and earlier, this would
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# be a good place to implement the 2.3 logger class
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##from wx.tools.dbg import Logger
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##dbg = Logger()
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##dbg(enable=0)
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class IpAddrCtrlAccessorsMixin:
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"""
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Defines IpAddrCtrl's list of attributes having their own
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Get/Set functions, exposing only those that make sense for
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an IP address control.
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"""
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exposed_basectrl_params = (
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'fields',
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'retainFieldValidation',
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'formatcodes',
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'fillChar',
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'defaultValue',
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'description',
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'useFixedWidthFont',
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'signedForegroundColour',
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'emptyBackgroundColour',
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'validBackgroundColour',
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'invalidBackgroundColour',
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'emptyInvalid',
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'validFunc',
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'validRequired',
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)
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for param in exposed_basectrl_params:
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propname = param[0].upper() + param[1:]
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exec('def Set%s(self, value): self.SetCtrlParameters(%s=value)' % (propname, param))
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exec('def Get%s(self): return self.GetCtrlParameter("%s")''' % (propname, param))
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if param.find('Colour') != -1:
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# add non-british spellings, for backward-compatibility
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propname.replace('Colour', 'Color')
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exec('def Set%s(self, value): self.SetCtrlParameters(%s=value)' % (propname, param))
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exec('def Get%s(self): return self.GetCtrlParameter("%s")''' % (propname, param))
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class IpAddrCtrl( BaseMaskedTextCtrl, IpAddrCtrlAccessorsMixin ):
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"""
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This class is a particular type of MaskedTextCtrl that accepts
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and understands the semantics of IP addresses, reformats input
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as you move from field to field, and accepts '.' as a navigation
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character, so that typing an IP address can be done naturally.
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"""
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def __init__( self, parent, id=-1, value = '',
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pos = wx.DefaultPosition,
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size = wx.DefaultSize,
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style = wx.TE_PROCESS_TAB,
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validator = wx.DefaultValidator,
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name = 'IpAddrCtrl',
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setupEventHandling = True,
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**kwargs):
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"""
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Default class constructor.
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:param Window `parent`: the window parent. Must not be ``None``;
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:param integer `id`: window identifier. A value of -1 indicates a default value;
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:param string `value`: value to be shown;
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:param `pos`: the control position. A value of (-1, -1) indicates a default position,
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chosen by either the windowing system or wxPython, depending on platform;
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:type `pos`: tuple or :class:`Point`
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:param `size`: the control size. A value of (-1, -1) indicates a default size,
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chosen by either the windowing system or wxPython, depending on platform;
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:param integer `style`: the window style;
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:param Validator `validator`: this is mainly provided for data-transfer, as control does
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its own validation;
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:param string `name`: the window name;
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:param boolean `setupEventHandling`: setup event handling by default.
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"""
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if 'mask' not in kwargs:
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kwargs['mask'] = mask = "###.###.###.###"
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if 'formatcodes' not in kwargs:
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kwargs['formatcodes'] = 'F_Sr<>'
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if 'validRegex' not in kwargs:
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kwargs['validRegex'] = "( \d| \d\d|(1\d\d|2[0-4]\d|25[0-5]))(\.( \d| \d\d|(1\d\d|2[0-4]\d|25[0-5]))){3}"
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BaseMaskedTextCtrl.__init__(
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self, parent, id=id, value = value,
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pos=pos, size=size,
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style = style,
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validator = validator,
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name = name,
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setupEventHandling = setupEventHandling,
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**kwargs)
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# set up individual field parameters as well:
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field_params = {}
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field_params['validRegex'] = "( | \d| \d |\d | \d\d|\d\d |\d \d|(1\d\d|2[0-4]\d|25[0-5]))"
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# require "valid" string; this prevents entry of any value > 255, but allows
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# intermediate constructions; overall control validation requires well-formatted value.
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field_params['formatcodes'] = 'V'
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if field_params:
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for i in self._field_indices:
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self.SetFieldParameters(i, **field_params)
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# This makes '.' act like tab:
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self._AddNavKey('.', handler=self.OnDot)
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self._AddNavKey('>', handler=self.OnDot) # for "shift-."
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def OnDot(self, event):
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"""
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Defines what action to take when the '.' character is typed in the
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control. By default, the current field is right-justified, and the
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cursor is placed in the next field.
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"""
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## dbg('IpAddrCtrl::OnDot', indent=1)
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pos = self._adjustPos(self._GetInsertionPoint(), event.GetKeyCode())
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oldvalue = self.GetValue()
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edit_start, edit_end, slice = self._FindFieldExtent(pos, getslice=True)
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if not event.ShiftDown():
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if pos > edit_start and pos < edit_end:
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# clip data in field to the right of pos, if adjusting fields
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# when not at delimeter; (assumption == they hit '.')
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newvalue = oldvalue[:pos] + ' ' * (edit_end - pos) + oldvalue[edit_end:]
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self._SetValue(newvalue)
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self._SetInsertionPoint(pos)
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## dbg(indent=0)
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return self._OnChangeField(event)
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def GetAddress(self):
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"""
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Returns the control value, with any spaces removed.
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"""
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value = BaseMaskedTextCtrl.GetValue(self)
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return value.replace(' ','') # remove spaces from the value
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def _OnCtrl_S(self, event):
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## dbg("IpAddrCtrl::_OnCtrl_S")
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if self._demo:
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print("value:", self.GetAddress())
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return False
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def SetValue(self, value):
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"""
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Takes a string value, validates it for a valid IP address,
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splits it into an array of 4 fields, justifies it
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appropriately, and inserts it into the control.
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Invalid values will raise a ValueError exception.
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:param string `value`: the IP address in the form '000.000.000.000'
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"""
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## dbg('IpAddrCtrl::SetValue(%s)' % str(value), indent=1)
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if not isinstance(value, six.string_types):
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## dbg(indent=0)
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raise ValueError('%s must be a string' % str(value))
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bValid = True # assume True
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parts = value.split('.')
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if len(parts) != 4:
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bValid = False
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else:
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for i in range(4):
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part = parts[i]
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if not 0 <= len(part) <= 3:
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bValid = False
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break
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elif part.strip(): # non-empty part
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try:
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j = int(part)
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if not 0 <= j <= 255:
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bValid = False
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break
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else:
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parts[i] = '%3d' % j
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except Exception:
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bValid = False
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break
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else:
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# allow empty sections for SetValue (will result in "invalid" value,
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# but this may be useful for initializing the control:
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parts[i] = ' ' # convert empty field to 3-char length
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if not bValid:
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## dbg(indent=0)
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raise ValueError('value (%s) must be a string of form n.n.n.n where n is empty or in range 0-255' % str(value))
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else:
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## dbg('parts:', parts)
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value = '.'.join(parts)
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BaseMaskedTextCtrl.SetValue(self, value)
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## dbg(indent=0)
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__i=0
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## CHANGELOG:
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## ====================
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## Version 1.2
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## 1. Fixed bugs involving missing imports now that these classes are in
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## their own module.
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## 2. Added doc strings for ePyDoc.
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## 3. Renamed helper functions, vars etc. not intended to be visible in public
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## interface to code.
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##
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## Version 1.1
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## Made ipaddrctrls allow right-insert in subfields, now that insert/cut/paste works better
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