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from enum import Enum |
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import toolz |
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from pyrsistent import PRecord, field, pmap_field |
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try: |
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basestring |
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except NameError: |
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basestring = str |
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__all__ = ["Direction", "Glue", |
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"add_transition", "join", |
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"Tile", "format_tile", "new_tile", |
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"dirbind", "eastbind", "westbind", "northbind", "southbind", |
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"dirlabel", "eastlabel", "westlabel", "northlabel", "southlabel"] |
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class Direction(Enum): |
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North = 1 |
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South = 2 |
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East = 3 |
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West = 4 |
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def opposite(self): |
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if self == Direction.North: |
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return Direction.South |
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elif self == Direction.South: |
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return Direction.North |
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elif self == Direction.West: |
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return Direction.East |
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elif self == Direction.East: |
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return Direction.West |
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else: |
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raise TypeError("Invalid direction") |
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36
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37
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class Glue(PRecord): |
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label = field(basestring, initial="") |
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strength = field(int, initial=0, |
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invariant=lambda x: (x in (0, 1, 2), "invalid strength")) |
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class Tile(PRecord): |
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name = field(basestring) |
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label = field(basestring) |
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tilecolor = field(basestring) # TODO: enum for colors? |
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textcolor = field(basestring) |
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concentration = field(int) |
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glues = pmap_field(key_type=(Direction,), value_type=Glue) # TODO: invariant? |
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51
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52
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def join(tt1, tt2): |
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pass |
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55
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56
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def add_transition(): |
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pass |
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59
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60
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def dirbind(tile, direction=Direction.North): |
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return tile.glues[direction].strength |
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63
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64
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def dirlabel(tile, direction=Direction.North): |
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return tile.glues[direction].label |
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67
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68
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northbind = toolz.partial(dirbind, direction=Direction.North) |
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southbind = toolz.partial(dirbind, direction=Direction.South) |
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eastbind = toolz.partial(dirbind, direction=Direction.East) |
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westbind = toolz.partial(dirbind, direction=Direction.West) |
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73
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74
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northlabel = toolz.partial(dirlabel, direction=Direction.North) |
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southlabel = toolz.partial(dirlabel, direction=Direction.South) |
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eastlabel = toolz.partial(dirlabel, direction=Direction.East) |
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westlabel = toolz.partial(dirlabel, direction=Direction.West) |
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79
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80
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def new_tile(name, label="", tilecolor="white", textcolor="black", concentration=1, glues=None): |
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if glues is None: |
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glues = { |
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Direction.North: Glue(label="", strength=0), |
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Direction.South: Glue(label="", strength=0), |
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Direction.West: Glue(label="", strength=0), |
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Direction.East: Glue(label="", strength=0), |
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} |
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# TODO: validate |
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return Tile(name=name, |
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label=label, |
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tilecolor=tilecolor, |
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textcolor=textcolor, |
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concentration=concentration, |
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glues=glues) |
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96
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97
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def format_tile(tile): |
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return ("TILENAME {t.name}\n" |
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"LABEL {t.label}\n" |
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"TILECOLOR {t.tilecolor}\n" |
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"TEXTCOLOR {t.textcolor}\n" |
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"CONCENTRATION {t.concentration}\n" |
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"NORTHBIND {northbind}\n" |
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"SOUTHBIND {southbind}\n" |
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"WESTBIND {westbind}\n" |
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"EASTBIND {eastbind}\n" |
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"NORTHLABEL {northlabel}\n" |
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"SOUTHLABEL {southlabel}\n" |
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"WESTLABEL {westlabel}\n" |
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"EASTLABEL {eastlabel}\n" |
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"CREATE".format(t=tile, |
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northbind=northbind(tile), |
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southbind=southbind(tile), |
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eastbind=eastbind(tile), |
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westbind=westbind(tile), |
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northlabel=northlabel(tile), |
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southlabel=southlabel(tile), |
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eastlabel=eastlabel(tile), |
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westlabel=westlabel(tile), |
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)) |
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luizirber /
tam
