diff options
Diffstat (limited to 'gerber/gerber.py')
| -rw-r--r-- | gerber/gerber.py | 77 |
1 files changed, 38 insertions, 39 deletions
diff --git a/gerber/gerber.py b/gerber/gerber.py index 31d9b82..949037b 100644 --- a/gerber/gerber.py +++ b/gerber/gerber.py @@ -3,7 +3,7 @@ # copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be> # Modified from parser.py by Paulo Henrique Silva <ph.silva@gmail.com> -# +# # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at @@ -15,33 +15,41 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. +""" +gerber.gerber +============ +**Gerber File module** + +This module provides an RS-274-X class and parser +""" + import re import json from .statements import * +def read(filename): + """ Read data from filename and return a GerberFile + """ + return GerberParser().parse(filename) class GerberFile(object): """ A class representing a single gerber file - - The GerberFile class represents a single gerber file. - + + The GerberFile class represents a single gerber file. + Parameters ---------- + statements : list + list of gerber file statements + + settings : dict + Dictionary of gerber file settings + filename : string - Parameter. - - zero_suppression : string - Zero-suppression mode. May be either 'leading' or 'trailing' - - notation : string - Notation mode. May be either 'absolute' or 'incremental' - - format : tuple (int, int) - Gerber precision format expressed as a tuple containing: - (number of integer-part digits, number of decimal-part digits) + Filename of the source gerber file Attributes ---------- @@ -50,7 +58,7 @@ class GerberFile(object): units : string either 'inch' or 'metric'. - + size : tuple, (<float>, <float>) Size in [self.units] of the layer described by the gerber file. @@ -59,32 +67,25 @@ class GerberFile(object): `bounds` is stored as ((min x, max x), (min y, max y)) """ - - @classmethod - def read(cls, filename): - """ Read data from filename and return a GerberFile - """ - return GerberParser().parse(filename) - def __init__(self, statements, settings, filename=None): self.filename = filename self.statements = statements self.settings = settings - + @property def comments(self): return [comment.comment for comment in self.statements if isinstance(comment, CommentStmt)] - + @property def units(self): return self.settings['units'] - + @property def size(self): xbounds, ybounds = self.bounds return (xbounds[1] - xbounds[0], ybounds[1] - ybounds[0]) - + @property def bounds(self): xbounds = [0.0, 0.0] @@ -106,9 +107,8 @@ class GerberFile(object): ybounds[0] = stmt.j if stmt.j is not None and stmt.j > ybounds[1]: ybounds[1] = stmt.j - - return (xbounds, ybounds) - + return (xbounds, ybounds) + def write(self, filename): """ Write data out to a gerber file """ @@ -123,8 +123,7 @@ class GerberFile(object): for statement in self.statements: ctx.evaluate(statement) ctx.dump(filename) - - + class GerberParser(object): """ GerberParser @@ -179,7 +178,7 @@ class GerberParser(object): for stmt in self._parse(data): self.statements.append(stmt) - + return GerberFile(self.statements, self.settings, filename) def dump_json(self): @@ -197,7 +196,7 @@ class GerberParser(object): for i, line in enumerate(data): line = oldline + line.strip() - + # skip empty lines if not len(line): continue @@ -207,10 +206,10 @@ class GerberParser(object): oldline = line continue - did_something = True # make sure we do at least one loop + did_something = True # make sure we do at least one loop while did_something and len(line) > 0: did_something = False - + # coord (coord, r) = self._match_one(self.COORD_STMT, line) if coord: @@ -223,7 +222,7 @@ class GerberParser(object): (aperture, r) = self._match_one(self.APERTURE_STMT, line) if aperture: yield ApertureStmt(**aperture) - + did_something = True line = r continue @@ -240,7 +239,7 @@ class GerberParser(object): (param, r) = self._match_one_from_many(self.PARAM_STMT, line) if param: if param["param"] == "FS": - stmt = FSParamStmt.from_dict(param) + stmt = FSParamStmt.from_dict(param) self.settings = {'zero_suppression': stmt.zero_suppression, 'format': stmt.format, 'notation': stmt.notation} @@ -276,7 +275,7 @@ class GerberParser(object): did_something = True line = r continue - + if False: print self.COORD_STMT.pattern print self.APERTURE_STMT.pattern |