Best Python code snippet using molotov_python
constants.py
Source:constants.py
1# pseudo-constant magic2#################################################################3# utility functions4def _getString(str, server, reverse=0):5 if reverse:6 if str == 0:7 return ''8 else:9 return server.getstring(str).data.replace('\0','')10 else:11 # check if it's already a handle, too12 if not server:13 return str, _getString14 try:15 str.upper()16 except:17 return str, _getString18 return server.getString(str), _getString19def _getFont(str, server, reverse=0):20 if reverse:21 return str22 else:23 if not server:24 return str, _getFont25 try:26 str.upper()27 except:28 return str, _getFont29 return server.getFont(str), _getFont30def _getBitmap(str, server, reverse=0):31 if reverse:32 return str33 else:34 return server.mkbitmap(str), _getBitmap35def _getSize(s, server, reverse=0):36 if reverse:37 return s38 else:39 # This converts fractions of the form "numerator/denominator"40 # into pgserver 8:8 bit fractions if necessary.41 # Also, allow "None" to indicate automatic sizing,42 # represented in the server by -1.43 if s == None:44 return 0xFFFFFFFFL, _getSize45 fraction = str(s).split('/')46 if len(fraction) > 1:47 return (int(fraction[0])<<8) | int(fraction[1]), _getSize48 return int(s), _getSize49def _pairAt16bits(p, server, reverse=0):50 if reverse:51 return p >> 16, p & 0xffff52 else:53 return (p[0] << 16) + p[1], {}54def _gropseq(seq, server):55 # not reversable56 try:57 seq = seq.all()58 except:59 pass60 return tuple(seq), _stop61#################################################################62# unique values63_stop = ((),)64_default = -165#################################################################66# tables67_color_consts = {68 'black': (0x000000, {}),69 'green': (0x008000, {}),70 'silver': (0xC0C0C0, {}),71 'lime': (0x00FF00, {}),72 'gray': (0x808080, {}),73 'olive': (0x808000, {}),74 'white': (0xFFFFFF, {}),75 'yellow': (0xFFFF00, {}),76 'maroon': (0x800000, {}),77 'navy': (0x000080, {}),78 'red': (0xFF0000, {}),79 'blue': (0x0000FF, {}),80 'purple': (0x800080, {}),81 'teal': (0x008080, {}),82 'fuchsia': (0xFF00FF, {}),83 'aqua': (0x00FFFF, {}),84 }85_thobj_consts = {86 'default': (0, {}),87 'base interactive': (1, {}),88 'base container': (2, {}),89 'button': (3, {}),90 'button hilight': (4, {}),91 'button on': (5, {}),92 'toolbar': (6, {}),93 'scroll': (7, {}),94 'scroll hilight': (8, {}),95 'indicator': (9, {}),96 'panel': (10, {}),97 'panelbar': (11, {}),98 'popup': (12, {}),99 'background': (13, {}),100 'base display': (14, {}),101 'base tlcontainer': (15, {}),102 'themeinfo': (16, {}),103 'label': (17, {}),104 'field': (18, {}),105 'bitmap': (19, {}),106 'scroll on': (20, {}),107 'label scroll': (21, {}),108 'panelbar hilight': (22, {}),109 'panelbar on': (23, {}),110 'box': (24, {}),111 'label dlgtitle': (25, {}),112 'label dlgtext': (26, {}),113 'closebtn': (27, {}),114 'closebtn on': (28, {}),115 'closebtn hilight': (29, {}),116 'base panelbtn': (30, {}),117 'rotatebtn': (31, {}),118 'rotatebtn on': (32, {}),119 'rotatebtn hilight': (33, {}),120 'zoombtn': (34, {}),121 'zoombtn on': (35, {}),122 'zoombtn hilight': (36, {}),123 'popup menu': (37, {}),124 'popup messagedlg': (38, {}),125 'menuitem': (39, {}),126 'menuitem hilight': (40, {}),127 'checkbox': (41, {}),128 'checkbox hilight': (42, {}),129 'checkbox on': (43, {}),130 'flatbutton': (44, {}),131 'flatbutton hilight': (45, {}),132 'flatbutton on': (46, {}),133 'listitem': (47, {}),134 'listitem hilight': (48, {}),135 'listitem on': (49, {}),136 'checkbox on nohilight': (50, {}),137 'submenuitem': (51, {}),138 'submenuitem hilight': (52, {}),139 'radiobutton': (53, {}),140 'radiobutton hilight': (54, {}),141 'radiobutton on': (55, {}),142 'radiobutton on nohilight': (56, {}),143 'textbox': (57, {}),144 'terminal': (58, {}),145 'menubutton': (60, {}),146 'menubutton on': (61, {}),147 'menubutton hilight': (62, {}),148 'label hilight': (63, {}),149 'box hilight': (64, {}),150 'indicator h': (65, {}),151 'indicator v': (66, {}),152 'scroll h': (67, {}),153 'scroll v': (68, {}),154 'scroll h on': (69, {}),155 'scroll h hilight': (70, {}),156 'scroll v on': (71, {}),157 'scroll v hilight': (72, {}),158 'panelbar h': (73, {}),159 'panelbar v': (74, {}),160 'panelbar h on': (75, {}),161 'panelbar h hilight': (76, {}),162 'panelbar v on': (77, {}),163 'panelbar v hilight': (78, {}),164 'textedit': (79, {}),165 'managedwindow': (80, {}),166 'tab page': (81, {}),167 'tab bar': (82, {}),168 'tab': (83, {}),169 'tab hilight': (84, {}),170 'tab on': (85, {}),171 'tab on nohilight': (86, {}),172 }173_wtype_consts = {174 'toolbar': (0, {}),175 'label': (1, {}),176 'scroll': (2, {}),177 'indicator': (3, {}),178 'managedwindow': (4, {}),179 'button': (5, {}),180 'panel': (6, {}),181 'popup': (7, {}),182 'box': (8, {}),183 'field': (9, {}),184 'background': (10, {}),185 'menuitem': (11, {}), # a variation on button186 'terminal': (12, {}), # a full terminal emulator187 'canvas': (13, {}),188 'checkbox': (14, {}), # another variation of button189 'flatbutton': (15, {}), # yet another customized button190 'listitem': (16, {}), # still yet another...191 'submenuitem': (17, {}), # menuitem with a submenu arrow192 'radiobutton': (18, {}), # like a check box, but exclusive193 'textbox': (19, {}), # client-side text layout194 'panelbar': (20, {}), # draggable bar and container195 'simplemenu': (21, {}), # create a simple menu from a string or array196 'dialogbox': (22, {}), # a type of popup that is always autosized and has a title197 'messagedialog': (23, {}), # a type of dialogbox that displays a message and gets feedback198 'scrollbox': (24, {}), # box widget with built-in horizontal and/or vertical scrollbars199 'textedit': (25, {}),200 'tabpage': (26, {}),201 }202import keys203_key_consts = {}204for name, code in keys.keys.items():205 _key_consts[name] = (code, {})206_modifier_consts = {}207for name, code in keys.mods.items():208 _modifier_consts[name] = (code, {})209_constants = {210 'attachwidget': {211 'after': (1, {}),212 'inside': (2, {}),213 'before': (3, {}),214 },215 'createwidget': _wtype_consts,216 'mkwidget': {217 'after': (1, _wtype_consts),218 'inside': (2, _wtype_consts),219 'before': (3, _wtype_consts),220 },221 'get': 'set',222 'mkfont': ( # first argument (family) is string and should pass trough223 {224 'fixed': ((1<<0), {}), # fixed width225 'default': ((1<<1), {}), # the default font in its category, fixed or proportional.226 'symbol': ((1<<2), {}), # font contains nonstandard chars and will not be chosen227 # unless specifically requested228 'subset': ((1<<3), {}), # font does not contain all the ascii chars before 127, and229 # shouldn't be used unless requested230 'encoding isolatin1': ((1<<4), {}), # iso latin-1 encoding231 'encoding ibm': ((1<<5), {}), # ibm-pc extended characters232 'doublespace': ((1<<7), {}), # add extra space between lines233 'bold': ((1<<8), {}), # use or simulate a bold version of the font234 'italic': ((1<<9), {}), # use or simulate an italic version of the font235 'underline': ((1<<10), {}), # underlined text236 'strikeout': ((1<<11), {}), # strikeout, a line through the middle of the text237 'flush': ((1<<14), {}), # disable the margin that picogui puts around text238 'doublewidth': ((1<<15), {}), # add extra space between characters239 'italic2': ((1<<16), {}), # twice the slant of the default italic240 'encoding unicode': ((1<<17), {}), # unicode encoding241 },),242 'register': _getString,243 'getresource': {244 'default font': (0, {}),245 'string ok': (1, {}),246 'string cancel': (2, {}),247 'string yes': (3, {}),248 'string no': (4, {}),249 'string segfault': (5, {}),250 'string matherr': (6, {}),251 'string pguierr': (7, {}),252 'string pguiwarn': (8, {}),253 'string pguierrdlg': (9, {}),254 'string pguicompat': (10, {}),255 'default textcolors': (11, {}),256 'infilter touchscreen': (12, {}),257 'infilter key preprocess': (13, {}),258 'infilter pntr preprocess': (14, {}),259 'infilter magic': (15, {}),260 'infilter key dispatch': (16, {}),261 'infilter pntr dispatch': (17, {}),262 'default cursorbitmap': (18, {}),263 'default cursorbitmask': (19, {}),264 'background widget': (20, {}),265 'infilter hotspot': (21, {}),266 'infilter key alpha': (22, {}),267 'infilter pntr normalize': (23, {}),268 },269 'set': {270 'size': (1,271 _getSize),272 'side': (2, {273 'top': (1<<3, {}), # stick to the top edge274 'bottom': (1<<4, {}), # stick to the bottom edge275 'left': (1<<5, {}), # stick to the left edge276 'right': (1<<6, {}), # stick to the right edge277 'all': (1<<11, {}), # occupy all available space278 }),279 'align': (3, {280 'center': (0, {}), # center in the available space281 'top': (1, {}), # stick to the top-center of the available space282 'left': (2, {}), # stick to the left-center of the available space283 'bottom': (3, {}), # stick to the bottom-center of the available space284 'right': (4, {}), # stick to the right-center of the available space285 'nw': (5, {}), # stick to the northwest corner286 'sw': (6, {}), # stick to the southwest corner287 'ne': (7, {}), # stick to the northeast corner288 'se': (8, {}), # stick to the southeast corner289 'all': (9, {}), # occupy all available space (good for tiled bitmaps)290 }),291 'bgcolor': (4,292 _color_consts),293 'color': (5,294 _color_consts),295 'sizemode': (6, {296 'pixel': (0, {}),297 'percent': (1<<2, {}),298 'cntfrac': (1<<15, {}), # Container fraction299 'container fraction': (1<<15, {}), # Less stupidly named version of the same300 }),301 'text': (7,302 _getString),303 'font': (8,304 _getFont),305 'transparent': (9, {}),306 'bordercolor': (10,307 _color_consts),308 'image': (12,309 _getBitmap),310 'bitmap': 'image',311 'lgop': (13, {312 }),313 'value': (14, {314 }),315 'bitmask': (15,316 _getBitmap),317 'bind': (16, {318 }),319 'scroll x': (17, { # horizontal and vertical scrolling amount320 }),321 'scroll y': (18, {322 }),323 'hotkey': (19, 324 _key_consts),325 'extdevents': (20, { # mask of extra events to send326 'pointer up': (0x0001, {}),327 'pointer down': (0x0002, {}),328 'noclick': (0x0004, {}),329 'pointer move': (0x0008, {}),330 'pointer': (0x0009, {}),331 'key': (0x0010, {}),332 'char': (0x0020, {}),333 'kbd': (0x0030, {}),334 'toggle': (0x0040, {}),335 'exclusive': (0x0080, {}),336 'focus': (0x0100, {}),337 'no hotspot': (0x0200, {}),338 'none': (0, {}),339 _default: (0, {}),340 }),341 'direction': (21, {342 'horizontal': (0, {}),343 'vertical': (90, {}),344 'antihorizontal': (180, {}),345 }),346 'absolutex': (22, { # read-only, relative to screen347 }),348 'absolutey': (23, {349 }),350 'on': (24, { # on-off state of button/checkbox/etc351 }),352 'thobj': (25, # set a widget's theme object353 _thobj_consts),354 'name': (26, # a widget's name (for named containers, etc)355 _getString),356 'publicbox': (27, { # set to 1 to allow other apps to make widgets in this container357 }),358 'disabled': (28, { # for buttons, grays out text and prevents clicking359 }),360 'margin': (29, { # for boxes, overrides the default margin361 }),362 'textformat': (30, # for the textbox, defines a format for text.363 _getString),364 'triggermask': (31, { # mask of extra triggers accepted (self->trigger_mask)365 }),366 'hilighted': (32, { # widget property to hilight a widget and all it's children367 }),368 'selected': (33, { # list property to select a row.369 }),370 'selected handle': (34, { # list property to return a handle to the selected row371 }),372 'autoscroll': (35, { # for the textbox or terminal, scroll to any new text that's inserted373 }),374 'lines': (36, { # height, in lines375 }),376 'preferred w': (37, { # read only (for now) properties to get any widget's preferred size377 }),378 'preferred h': (38, {379 }),380 'panelbar': (39, { # read-only property for panels returns a handle to its embedded381 # panelbar widget382 }),383 'auto orientation': (40, { # automatically reorient child widgets when side changes384 }),385 'thobj button': (41, # these four theme properties set the theme objects used for the386 # three possible states of the button widget.387 _thobj_consts),388 'thobj button hilight': (42,389 _thobj_consts),390 'thobj button on': (43,391 _thobj_consts),392 'thobj button on nohilight': (44,393 _thobj_consts),394 'panelbar label': (45, { # more read-only panelbar properties to get the built-in panelbar widgets395 }),396 'panelbar close': (46, {397 }),398 'panelbar rotate': (47, {399 }),400 'panelbar zoom': (48, {401 }),402 'imageside': (49, {403 'top': (1<<3, {}), # stick to the top edge404 'bottom': (1<<4, {}), # stick to the bottom edge405 'left': (1<<5, {}), # stick to the left edge406 'right': (1<<6, {}), # stick to the right edge407 'all': (1<<11, {}), # occupy all available space408 }),409 'bitmapside': 'imageside',410 'password': (50, {411 }),412 'hotkey flags': (51, { # keyboard event flags for the hotkey413 }),414 'hotkey consume': (52, { # flag indicating whether to consume the key event when a hotkey comes in415 }),416 'width': (53, {417 }),418 'height': (54, {419 }),420 'spacing': (55, {421 }),422 'minimum': (56, {423 }),424 'multiline': (57, {425 }),426 'selection': (58,427 _getString),428 'readonly': (59, {429 }),430 'insertmode': (60, {431 'overwrite': (0, {}), # Replace all text432 'append': (1, {}), # Add to the end433 'prepend': (2, {}), # Add to the beginning434 'atcursor': (3, {}), # Add at the current cursor435 }),436 'type': (61,437 _wtype_consts),438 'tab': (62, {439 }),440 'tab bar': (63, {441 }),442 'popup is menu': (64, {443 }),444 'popup is submenu': (65, {445 }),446 'cursor position': (66,447 _pairAt16bits),448 'hotkey modifiers': (67,449 _modifier_consts), 450 },451 'traversewidget': {452 'children': (1, {}), # starting with first child, traverse forward453 'forward': (2, {}),454 'backward': (3, {}), # much slower than forward, avoid it455 'container': (4, {}), # 'count' is thenumber of container levels to traverse up456 },457 'writedata': _stop,458 'writecmd': ({459 'nuke': (1, _stop),460 'grop': (2, {461 'rect': (0x00, _stop),462 'frame': (0x10, _stop),463 'slab': (0x20, _stop),464 'bar': (0x30, _stop),465 'pixel': (0x40, _stop),466 'line': (0x50, _stop),467 'ellipse': (0x60, _stop),468 'fellipse': (0x70, _stop),469 'text': (0x04, ((_getString,),)),470 'bitmap': (0x14, _stop),471 'tilebitmap': (0x24, _stop),472 'fpolygon': (0x34, _stop),473 'blur': (0x44, _stop),474 'rotatebitmap': (0x74, _stop),475 'arc': (0x08, _stop),476 'resetclip': (0x13, _stop),477 'setoffset': (0x01, _stop),478 'setclip': (0x11, _stop),479 'setsrc': (0x21, _stop),480 'setmapping': (0x05, {481 'none': (0, _stop),482 'scale': (1, _stop),483 'squarescale': (2, _stop),484 'center': (3, _stop),485 _default: (0, _stop), # so you can use None486 }),487 'setcolor': (0x07, _stop),488 'setfont': (0x17, _getFont),489 'setlgop': (0x27, {490 'null': (0, _stop),491 'none': (1, _stop),492 'or': (2, _stop),493 'and': (3, _stop),494 'xor': (4, _stop),495 'invert': (5, _stop),496 'invert or': (6, _stop),497 'invert and': (7, _stop),498 'invert xor': (8, _stop),499 'add': (9, _stop),500 'subtract': (10, _stop),501 'multiply': (11, _stop),502 'stipple': (12, _stop),503 'alpha': (13, _stop),504 _default: (1, _stop), # so you can use None505 }),506 'setangle': (0x37, _stop),507 }),508 'execfill': (3, _stop),509 'findgrop': (4, _stop),510 'setgrop': (5, _stop),511 'movegrop': (6, _stop),512 'mutategrop': (7, _stop),513 'defaultflags': (8, _stop),514 'gropflags': (9, _stop),515 'redraw': (10, _stop),516 'incremental': (11, _stop),517 'scroll': (12, _stop),518 'inputmapping': (13, {519 'none': (0, _stop),520 'scale': (1, _stop),521 'squarescale': (2, _stop),522 'center': (3, _stop),523 }),524 'gridsize': (14, _stop),525 'gropseq': (15, _gropseq),526 _default: _stop,527 },),528}529#################################################################530# some useful stuff for importing531# names of all properties532propnames = [name for name in _constants['set'].keys() if type(name) is str]533# namespace for property values, to pass to resolve()534def prop_ns(name):535 return _constants['set'][name][1]536# names of all commands537cmdnames = [name for name in _constants['writecmd'][0].keys() if type(name) is str]538# namespace for command arguments, to pass to resolve()539def cmd_ns(name):540 t = _constants['writecmd'][0][name]541 if t is _stop:542 return {}543 return t[1]544def cmd_code(name):545 t = _constants['writecmd'][0][name]546 if t is _stop:547 return None548 return t[0]549#################################################################550# external API551def resolve(name, namespace=_constants, server=None):552 if namespace is _stop:553 return name, namespace554 if type(namespace) is tuple:555 # for cases where the argument is really supposed to be a string, yet there are contstants after this556 return name, namespace[0]557 if callable(namespace):558 # for cases when we need even stranger processing559 return namespace(name, server)560 if type(name) in (tuple, list):561 # multiple names are or'ed together; namespace returned is the last one562 value = 0563 ns = namespace564 for n in name:565 v, ns = resolve(n, namespace)566 value |= v567 return value, ns568 try:569 lname = name.lower()570 except AttributeError:571 # not a string572 r = namespace.get(_default, (name, namespace))573 else:574 try:575 r = namespace[lname]576 except KeyError:577 r = namespace.get(_default, (name, namespace))578 if r is _stop:579 return name, _stop580 if type(r) == tuple and len(r) == 2:581 if r[1]:582 return r583 else:584 # stay in the same namespace if we hit a "leaf"585 return r[0], namespace586 try:587 r.lower()588 isstr = 1589 except AttributeError:590 isstr = 0591 if isstr:592 # it's an alias593 return resolve(r, namespace)594 # otherwise, it's just a namespace595 return None, r596def unresolve(name, namespace=_constants, server=None):597 if callable(namespace):598 # If we need additional processing,599 # call the namespace with the reverse flag on600 return namespace(name, server, 1)601 for n in namespace.keys():602 if namespace[n][0] == name:603 return n...
timeout.py
Source:timeout.py
1#!/usr/bin/env python22# -*- coding: utf-8 -*-3"""4Timeout encapsulation, complete with countdowns and scope managers.5"""6import time7import pwnlib8class _DummyContextClass(object):9 def __enter__(self): pass10 def __exit__(self,*a): pass11_DummyContext = _DummyContextClass()12class _countdown_handler(object):13 def __init__(self, obj, timeout):14 self.obj = obj15 self.timeout = timeout16 def __enter__(self):17 self.old_timeout = self.obj._timeout18 self.old_stop = self.obj._stop19 self.obj._stop = time.time() + self.timeout20 if self.old_stop:21 self.obj._stop = min(self.obj._stop, self.old_stop)22 self.obj._timeout = self.timeout23 def __exit__(self, *a):24 self.obj._timeout = self.old_timeout25 self.obj._stop = self.old_stop26class _local_handler(object):27 def __init__(self, obj, timeout):28 self.obj = obj29 self.timeout = timeout30 def __enter__(self):31 self.old_timeout = self.obj._timeout32 self.old_stop = self.obj._stop33 self.obj._stop = 034 self.obj._timeout = self.timeout # leverage validation35 self.obj.timeout_change()36 def __exit__(self, *a):37 self.obj._timeout = self.old_timeout38 self.obj._stop = self.old_stop39 self.obj.timeout_change()40class TimeoutDefault(object):41 def __repr__(self): return "pwnlib.timeout.Timeout.default"42 def __str__(self): return "<default timeout>"43class Timeout(object):44 """45 Implements a basic class which has a timeout, and support for46 scoped timeout countdowns.47 Valid timeout values are:48 - ``Timeout.default`` use the global default value (``context.default``)49 - ``Timeout.forever`` or ``None`` never time out50 - Any positive float, indicates timeouts in seconds51 Example:52 >>> context.timeout = 3053 >>> t = Timeout()54 >>> t.timeout == 3055 True56 >>> t = Timeout(5)57 >>> t.timeout == 558 True59 >>> i = 060 >>> with t.countdown():61 ... print (4 <= t.timeout and t.timeout <= 5)62 ...63 True64 >>> with t.countdown(0.5):65 ... while t.timeout:66 ... print round(t.timeout,1)67 ... time.sleep(0.1)68 0.569 0.470 0.371 0.272 0.173 >>> print t.timeout74 5.075 >>> with t.local(0.5):76 ... for i in range(5):77 ... print round(t.timeout,1)78 ... time.sleep(0.1)79 0.580 0.581 0.582 0.583 0.584 >>> print t.timeout85 5.086 """87 #: Value indicating that the timeout should not be changed88 default = TimeoutDefault()89 #: Value indicating that a timeout should not ever occur90 forever = None91 #: Maximum value for a timeout. Used to get around platform issues92 #: with very large timeouts.93 #:94 #: OSX does not permit setting socket timeouts to 2**22.95 #: Assume that if we receive a timeout of 2**21 or greater,96 #: that the value is effectively infinite.97 maximum = float(2**20)98 def __init__(self, timeout=default):99 self._stop = 0100 self.timeout = self._get_timeout_seconds(timeout)101 @property102 def timeout(self):103 """104 Timeout for obj operations. By default, uses ``context.timeout``.105 """106 timeout = self._timeout107 stop = self._stop108 if not stop:109 return timeout110 return max(stop-time.time(), 0)111 @timeout.setter112 def timeout(self, value):113 assert not self._stop114 self._timeout = self._get_timeout_seconds(value)115 self.timeout_change()116 def _get_timeout_seconds(self, value):117 if value is self.default:118 value = pwnlib.context.context.timeout119 elif value is self.forever:120 value = self.maximum121 else:122 value = float(value)123 if value is value < 0:124 raise AttributeError("timeout: Timeout cannot be negative")125 if value > self.maximum:126 value = self.maximum127 return value128 def countdown_active(self):129 return (self._stop == 0) or (self._stop > time.time())130 def timeout_change(self):131 """132 Callback for subclasses to hook a timeout change.133 """134 pass135 def countdown(self, timeout = default):136 """137 Scoped timeout setter. Sets the timeout within the scope,138 and restores it when leaving the scope.139 When accessing :attr:`timeout` within the scope, it will be140 calculated against the time when the scope was entered, in a141 countdown fashion.142 If ``None`` is specified for ``timeout``, then the current143 timeout is used is made. This allows ``None`` to be specified144 as a default argument with less complexity.145 """146 # Don't count down from infinity147 if timeout is self.maximum:148 return _DummyContext149 if timeout is self.default and self.timeout is self.maximum:150 return _DummyContext151 if timeout is self.default:152 timeout = self._timeout153 return _countdown_handler(self, timeout)154 def local(self, timeout):155 """156 Scoped timeout setter. Sets the timeout within the scope,157 and restores it when leaving the scope.158 """159 if timeout is self.default or timeout == self.timeout:160 return _DummyContext...
treeslice.py
Source:treeslice.py
1#!/usr/bin/env python2#coding:utf-83# Author: mozman -- <mozman@gmx.at>4# Purpose: TreeSlice5# Created: 11.04.20116# Copyright (c) 2010-2013 by Manfred Moitzi7# License: MIT License8class TreeSlice(object):9 __slots__ = ['_tree', '_start', '_stop']10 def __init__(self, tree, start, stop):11 self._tree = tree12 self._start = start13 self._stop = stop14 def __repr__(self):15 tpl = "%s({%s})" % (self._tree.__class__.__name__, '%s')16 return tpl % ", ".join( ("%r: %r" % item for item in self.items()) )17 def __contains__(self, key):18 if self._inrange(key):19 return key in self._tree20 else:21 return False22 def _inrange(self, key):23 if self._start is not None and key < self._start:24 return False25 if self._stop is not None and key >= self._stop:26 return False27 return True28 def __getitem__(self, key):29 if isinstance(key, slice):30 return self._subslice(key.start, key.stop)31 if self._inrange(key):32 return self._tree[key]33 else:34 raise KeyError(key)35 def _subslice(self, start, stop):36 def newstart():37 if start is None:38 return self._start39 elif self._start is None:40 return start41 else:42 return max(start, self._start)43 def newstop():44 if stop is None:45 return self._stop46 elif self._stop is None:47 return stop48 else:49 return min(stop, self._stop)50 return TreeSlice(self._tree, newstart(), newstop())51 def keys(self):52 return self._tree.keyslice(self._start, self._stop)53 __iter__ = keys54 def values(self):55 return self._tree.valueslice(self._start, self._stop)56 def items(self):...
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