<s> import os <EOL> import re <EOL> from collections import namedtuple <EOL> from . import common <EOL> from . excellon import ExcellonFile <EOL> from . ipc356 import IPCNetlist <EOL> Hint = namedtuple ( '<STR_LIT>' , '<STR_LIT>' ) <EOL> hints = [ <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' , '<STR_LIT>' , ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , ] <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' ] , <EOL> name = [ ] , <EOL> ) , <EOL> Hint ( layer = '<STR_LIT>' , <EOL> ext = [ '<STR_LIT>' ] , <EOL> name = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' ] <EOL> ) , <EOL> ] <EOL> def load_layer ( filename ) : <EOL> return PCBLayer . from_cam ( common . read ( filename ) ) <EOL> def load_layer_data ( data , filename = None ) : <EOL> return PCBLayer . from_cam ( common . loads ( data , filename ) ) <EOL> def guess_layer_class ( filename ) : <EOL> try : <EOL> directory , name = os . path . split ( filename ) <EOL> name , ext = os . path . splitext ( name . lower ( ) ) <EOL> for hint in hints : <EOL> patterns = [ r'<STR_LIT>' . format ( x ) for x in hint . name ] <EOL> if ext [ <NUM_LIT:1> : ] in hint . ext or any ( re . findall ( p , name , re . IGNORECASE ) for p in patterns ) : <EOL> return hint . layer <EOL> except : <EOL> pass <EOL> return '<STR_LIT>' <EOL> def sort_layers ( layers , from_top = True ) : <EOL> layer_order = [ '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' ] <EOL> append_after = [ '<STR_LIT>' , '<STR_LIT>' ] <EOL> output = [ ] <EOL> internal_layers = list ( sorted ( [ layer for layer in layers <EOL> if layer . layer_class == '<STR_LIT>' ] ) ) <EOL> for layer_class in layer_order : <EOL> if layer_class == '<STR_LIT>' : <EOL> output += internal_layers <EOL> else : <EOL> for layer in layers : <EOL> if layer . layer_class == layer_class : <EOL> output . append ( layer ) <EOL> if not from_top : <EOL> output = list ( reversed ( output ) ) <EOL> for layer_class in append_after : <EOL> for layer in layers : <EOL> if layer . layer_class == layer_class : <EOL> output . append ( layer ) <EOL> return output <EOL> class PCBLayer ( object ) : <EOL> """<STR_LIT>""" <EOL> @ classmethod <EOL> def from_cam ( cls , camfile ) : <EOL> filename = camfile . filename <EOL> layer_class = guess_layer_class ( filename ) <EOL> if isinstance ( camfile , ExcellonFile ) or ( layer_class == '<STR_LIT>' ) : <EOL> return DrillLayer . from_cam ( camfile ) <EOL> elif layer_class == '<STR_LIT>' : <EOL> return InternalLayer . from_cam ( camfile ) <EOL> if isinstance ( camfile , IPCNetlist ) : <EOL> layer_class = '<STR_LIT>' <EOL> return cls ( filename , layer_class , camfile ) <EOL> def __init__ ( self , filename = None , layer_class = None , cam_source = None , ** kwargs ) : <EOL> super ( PCBLayer , self ) . __init__ ( ** kwargs ) <EOL> self . filename = filename <EOL> self . layer_class = layer_class <EOL> self . cam_source = cam_source <EOL> self . surface = None <EOL> self . primitives = cam_source . primitives if cam_source is not None else [ ] <EOL> @ property <EOL> def bounds ( self ) : <EOL> if self . cam_source is not None : <EOL> return self . cam_source . bounds <EOL> else : <EOL> return None <EOL> def __repr__ ( self ) : <EOL> return '<STR_LIT>' . format ( self . layer_class ) <EOL> class DrillLayer ( PCBLayer ) : <EOL> @ classmethod <EOL> def from_cam ( cls , camfile ) : <EOL> return cls ( camfile . filename , camfile ) <EOL> def __init__ ( self , filename = None , cam_source = None , layers = None , ** kwargs ) : <EOL> super ( DrillLayer , self ) . __init__ ( filename , '<STR_LIT>' , cam_source , ** kwargs ) <EOL> self . layers = layers if layers is not None else [ '<STR_LIT>' , '<STR_LIT>' ] <EOL> class InternalLayer ( PCBLayer ) : <EOL> @ classmethod <EOL> def from_cam ( cls , camfile ) : <EOL> filename = camfile . filename <EOL> try : <EOL> order = int ( re . search ( r'<STR_LIT>' , filename ) . group ( ) ) <EOL> except AttributeError : <EOL> order = <NUM_LIT:0> <EOL> return cls ( filename , camfile , order ) <EOL> def __init__ ( self , filename = None , cam_source = None , order = <NUM_LIT:0> , ** kwargs ) : <EOL> super ( InternalLayer , self ) . __init__ ( filename , '<STR_LIT>' , cam_source , ** kwargs ) <EOL> self . order = order <EOL> def __eq__ ( self , other ) : <EOL> if not hasattr ( other , '<STR_LIT>' ) : <EOL> raise TypeError ( ) <EOL> return ( self . order == other . order ) <EOL> def __ne__ ( self , other ) : <EOL> if not hasattr ( other , '<STR_LIT>' ) : <EOL> raise TypeError ( ) <EOL> return ( self . order != other . order ) <EOL> def __gt__ ( self , other ) : <EOL> if not hasattr ( other , '<STR_LIT>' ) : <EOL> raise TypeError ( ) <EOL> return ( self . order > other . order ) <EOL> def __lt__ ( self , other ) : <EOL> if not hasattr ( other , '<STR_LIT>' ) : <EOL> raise TypeError ( ) <EOL> return ( self . order < other . order ) <EOL> def __ge__ ( self , other ) : <EOL> if not hasattr ( other , '<STR_LIT>' ) : <EOL> raise TypeError ( ) <EOL> return ( self . order >= other . order ) <EOL> def __le__ ( self , other ) : <EOL> if not hasattr ( other , '<STR_LIT>' ) : <EOL> raise TypeError ( ) <EOL> return ( self . order <= other . order ) </s>
