439 lines
12 KiB
Python
439 lines
12 KiB
Python
import W
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import Wkeys
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import struct
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import string
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import types
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import regex
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nullid = '\0\0'
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closedid = struct.pack('h', 468)
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openid = struct.pack('h', 469)
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closedsolidid = struct.pack('h', 470)
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opensolidid = struct.pack('h', 471)
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arrows = (nullid, closedid, openid, closedsolidid, opensolidid)
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has_ctlcharsRE = regex.compile('[\000-\037\177-\377]')
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def double_repr(key, value, truncvalue = 0,
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type = type, StringType = types.StringType,
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has_ctlchars = has_ctlcharsRE.search, _repr = repr, str = str):
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if type(key) == StringType and has_ctlchars(key) < 0:
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key = str(key)
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else:
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key = _repr(key)
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if key == '__builtins__':
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value = "<" + type(value).__name__ + " '__builtin__'>"
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elif key == '__return__':
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# bleh, when returning from a class codeblock we get infinite recursion in repr.
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# Use safe repr instead.
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import repr
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value = repr.repr(value)
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else:
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try:
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value = _repr(value)
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'' + value # test to see if it is a string, in case a __repr__ method is buggy
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except:
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value = '€€€ exception in repr()'
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if truncvalue:
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return key + '\t' + value[:255]
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return key + '\t' + value
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class BrowserWidget(W.List):
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LDEF_ID = 471
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def __init__(self, possize, object = None, col = 100, closechildren = 0):
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W.List.__init__(self, possize, callback = self.listhit)
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self.object = (None,)
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self.indent = 16
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self.lastmaxindent = 0
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self.closechildren = closechildren
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self.children = []
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self.mincol = 64
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self.setcolumn(col)
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self.bind('return', self.openselection)
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self.bind('enter', self.openselection)
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if object is not None:
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self.set(object)
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def set(self, object):
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if self.object[0] is not object:
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self.object = object,
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self[:] = self.unpack(object, 0)
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elif self._parentwindow is not None and self._parentwindow.wid:
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self.update()
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def unpack(self, object, indent):
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return unpack_object(object, indent)
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def update(self):
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# for now...
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W.SetCursor('watch')
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self.setdrawingmode(0)
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sel = self.getselectedobjects()
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fold = self.getunfoldedobjects()
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topcell = self.gettopcell()
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self[:] = self.unpack(self.object[0], 0)
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self.unfoldobjects(fold)
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self.setselectedobjects(sel)
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self.settopcell(topcell)
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self.setdrawingmode(1)
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def setcolumn(self, col):
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self.col = col
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self.colstr = struct.pack('h', col)
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if self._list:
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sel = self.getselection()
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self.setitems(self.items)
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self.setselection(sel)
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def key(self, char, event):
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if char in (Wkeys.leftarrowkey, Wkeys.rightarrowkey):
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sel = self.getselection()
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sel.reverse()
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self.setdrawingmode(0)
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for index in sel:
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self.fold(index, char == Wkeys.rightarrowkey)
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self.setdrawingmode(1)
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else:
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W.List.key(self, char, event)
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def rollover(self, (x, y), onoff):
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if onoff:
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if self.incolumn((x, y)):
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W.SetCursor('hmover')
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else:
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W.SetCursor('arrow')
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def inarrow(self, (x, y)):
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cl, ct, cr, cb = self._list.LRect((0, 0))
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l, t, r, b = self._bounds
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if (x - cl) < 16:
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cellheight = cb - ct
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index = (y - ct) / cellheight
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if index < len(self.items):
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return 1, index
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return None, None
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def incolumn(self, (x, y)):
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l, t, r, b = self._list.LRect((0, 0))
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abscol = l + self.col
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return abs(abscol - x) < 3
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def trackcolumn(self, (x, y)):
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import Qd, QuickDraw, Evt
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self.SetPort()
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l, t, r, b = self._bounds
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bounds = l, t, r, b = l + 1, t + 1, r - 16, b - 1
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abscol = l + self.col
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mincol = l + self.mincol
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maxcol = r - 10
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diff = abscol - x
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Qd.PenPat('\000\377\000\377\000\377\000\377')
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Qd.PenMode(QuickDraw.srcXor)
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rect = abscol - 1, t, abscol, b
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Qd.PaintRect(rect)
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lastpoint = (x, y)
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newcol = -1
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#W.SetCursor('fist')
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while Evt.Button():
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(x, y) = Evt.GetMouse()
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if (x, y) <> lastpoint:
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newcol = x + diff
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newcol = max(newcol, mincol)
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newcol = min(newcol, maxcol)
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Qd.PaintRect(rect)
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rect = newcol - 1, t, newcol, b
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Qd.PaintRect(rect)
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lastpoint = (x, y)
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Qd.PaintRect(rect)
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Qd.PenPat(Qd.qd.black)
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Qd.PenNormal()
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if newcol > 0 and newcol <> abscol:
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self.setcolumn(newcol - l)
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def click(self, point, modifiers):
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if point == (-1, -1): # gross.
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W.List.click(self, point ,modifiers)
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return
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hit, index = self.inarrow(point)
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if hit:
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(key, value, arrow, indent) = self.items[index]
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self.fold(index, arrow == 1)
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elif self.incolumn(point):
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self.trackcolumn(point)
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else:
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W.List.click(self, point, modifiers)
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# for W.List.key
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def findmatch(self, tag):
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lower = string.lower
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items = self.items
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taglen = len(tag)
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match = '\377' * 100
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match_i = -1
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for i in range(len(items)):
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item = lower(str(items[i][0]))
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if tag <= item < match:
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match = item
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match_i = i
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if match_i >= 0:
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return match_i
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else:
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return len(items) - 1
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def close(self):
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if self.closechildren:
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for window in self.children:
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window.close()
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self.children = []
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W.List.close(self)
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def fold(self, index, onoff):
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(key, value, arrow, indent) = self.items[index]
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if arrow == 0 or (onoff and arrow == 2) or (not onoff and arrow == 1):
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return
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W.SetCursor('watch')
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topcell = self.gettopcell()
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if onoff:
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self[index] = (key, value, 4, indent)
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self.setdrawingmode(0)
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self[index+1:index+1] = self.unpack(value, indent + 1)
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self[index] = (key, value, 2, indent)
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else:
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self[index] = (key, value, 3, indent)
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self.setdrawingmode(0)
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count = 0
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for i in range(index + 1, len(self.items)):
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(dummy, dummy, dummy, subindent) = self.items[i]
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if subindent <= indent:
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break
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count = count + 1
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self[index+1:index+1+count] = []
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self[index] = (key, value, 1, indent)
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maxindent = self.getmaxindent()
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if maxindent <> self.lastmaxindent:
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newabsindent = self.col + (maxindent - self.lastmaxindent) * self.indent
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if newabsindent >= self.mincol:
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self.setcolumn(newabsindent)
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self.lastmaxindent = maxindent
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self.settopcell(topcell)
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self.setdrawingmode(1)
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def unfoldobjects(self, objects):
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for obj in objects:
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try:
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index = self.items.index(obj)
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except ValueError:
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pass
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else:
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self.fold(index, 1)
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def getunfoldedobjects(self):
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curindent = 0
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objects = []
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for index in range(len(self.items)):
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(key, value, arrow, indent) = self.items[index]
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if indent > curindent:
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(k, v, a, i) = self.items[index - 1]
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objects.append((k, v, 1, i))
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curindent = indent
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elif indent < curindent:
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curindent = indent
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return objects
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def listhit(self, isdbl):
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if isdbl:
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self.openselection()
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def openselection(self):
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import os
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sel = self.getselection()
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for index in sel:
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(key, value, arrow, indent) = self[index]
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if arrow:
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self.children.append(Browser(value))
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elif type(value) == types.StringType and '\0' not in value:
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editor = self._parentwindow.parent.getscript(value)
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if editor:
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editor.select()
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return
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elif os.path.exists(value) and os.path.isfile(value):
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import macfs
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fss = macfs.FSSpec(value)
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if fss.GetCreatorType()[1] == 'TEXT':
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W.getapplication().openscript(value)
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def itemrepr(self, (key, value, arrow, indent), str = str, double_repr = double_repr,
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arrows = arrows, pack = struct.pack):
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arrow = arrows[arrow]
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return arrow + pack('h', self.indent * indent) + self.colstr + \
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double_repr(key, value, 1)
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def getmaxindent(self, max = max):
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maxindent = 0
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for item in self.items:
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maxindent = max(maxindent, item[3])
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return maxindent
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def domenu_copy(self, *args):
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sel = self.getselectedobjects()
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selitems = []
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for key, value, dummy, dummy in sel:
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selitems.append(double_repr(key, value))
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text = string.join(selitems, '\r')
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if text:
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import Scrap
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Scrap.ZeroScrap()
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Scrap.PutScrap('TEXT', text)
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class Browser:
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def __init__(self, object = None, title = None, closechildren = 0):
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if hasattr(object, '__name__'):
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name = object.__name__
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else:
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name = ''
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if title is None:
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title = 'Object browser'
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if name:
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title = title + ': ' + name
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self.w = w = W.Window((300, 400), title, minsize = (100, 100))
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w.info = W.TextBox((18, 8, -70, 15))
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w.updatebutton = W.Button((-64, 4, 50, 16), 'Update', self.update)
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w.browser = BrowserWidget((-1, 24, 1, -14), None)
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w.bind('cmdu', w.updatebutton.push)
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w.open()
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self.set(object, name)
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def close(self):
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if self.w.wid:
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self.w.close()
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def set(self, object, name = ''):
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W.SetCursor('watch')
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tp = type(object).__name__
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try:
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length = len(object)
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except:
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length = -1
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if not name and hasattr(object, '__name__'):
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name = object.__name__
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if name:
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info = name + ': ' + tp
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else:
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info = tp
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if length >= 0:
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if length == 1:
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info = info + ' (%d element)' % length
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else:
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info = info + ' (%d elements)' % length
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self.w.info.set(info)
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self.w.browser.set(object)
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def update(self):
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self.w.browser.update()
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SIMPLE_TYPES = (
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types.NoneType,
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types.IntType,
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types.LongType,
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types.FloatType,
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types.ComplexType,
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types.StringType
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)
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INDEXING_TYPES = (
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types.TupleType,
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types.ListType,
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types.DictionaryType
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)
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def unpack_object(object, indent = 0):
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tp = type(object)
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if tp in SIMPLE_TYPES and tp is not types.NoneType:
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raise TypeError, 'can¹t browse simple type: %s' % tp.__name__
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elif tp == types.DictionaryType:
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return unpack_dict(object, indent)
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elif tp in (types.TupleType, types.ListType):
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return unpack_sequence(object, indent)
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elif tp == types.InstanceType:
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return unpack_instance(object, indent)
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elif tp == types.ClassType:
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return unpack_class(object, indent)
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elif tp == types.ModuleType:
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return unpack_dict(object.__dict__, indent)
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else:
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return unpack_other(object, indent)
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def unpack_sequence(seq, indent = 0):
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items = map(None, range(len(seq)), seq)
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items = map(lambda (k, v), type = type, simp = SIMPLE_TYPES, indent = indent:
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(k, v, not type(v) in simp, indent), items)
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return items
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def unpack_dict(dict, indent = 0):
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items = dict.items()
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return pack_items(items, indent)
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def unpack_instance(inst, indent = 0):
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if hasattr(inst, '__pybrowse_unpack__'):
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return unpack_object(inst.__pybrowse_unpack__(), indent)
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else:
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items = [('__class__', inst.__class__)] + inst.__dict__.items()
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return pack_items(items, indent)
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def unpack_class(clss, indent = 0):
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items = [('__bases__', clss.__bases__), ('__name__', clss.__name__)] + clss.__dict__.items()
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return pack_items(items, indent)
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def unpack_other(object, indent = 0):
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attrs = []
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if hasattr(object, '__members__'):
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attrs = attrs + object.__members__
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if hasattr(object, '__methods__'):
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attrs = attrs + object.__methods__
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items = []
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for attr in attrs:
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items.append((attr, getattr(object, attr)))
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return pack_items(items, indent)
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def pack_items(items, indent = 0):
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items = map(lambda (k, v), type = type, simp = SIMPLE_TYPES, indent = indent:
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(k, v, not type(v) in simp, indent),
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items)
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return tuple_caselesssort(items)
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def caselesssort(alist):
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"""Return a sorted copy of a list. If there are only strings in the list,
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it will not consider case"""
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try:
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# turn ['FOO', 'aaBc', 'ABcD'] into [('foo', 'FOO'), ('aabc', 'aaBc'), ('abcd', 'ABcD')], if possible
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tupledlist = map(lambda item, lower = string.lower: (lower(item), item), alist)
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except TypeError:
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# at least one element in alist is not a string, proceed the normal way...
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alist = alist[:]
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alist.sort()
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return alist
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else:
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tupledlist.sort()
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# turn [('aabc', 'aaBc'), ('abcd', 'ABcD'), ('foo', 'FOO')] into ['aaBc', 'ABcD', 'FOO']
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return map(lambda x: x[1], tupledlist)
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def tuple_caselesssort(items):
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try:
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tupledlist = map(lambda tuple, lower = string.lower: (lower(tuple[0]), tuple), items)
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except TypeError:
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items = items[:]
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items.sort()
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return items
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else:
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tupledlist.sort()
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return map(lambda (low, tuple): tuple, tupledlist)
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