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authorPaulo Henrique Silva <ph.silva@gmail.com>2015-10-14 15:37:02 -0300
committerPaulo Henrique Silva <ph.silva@gmail.com>2015-10-14 15:37:02 -0300
commit944c8329222b8c1166a4952df0ca553cbec71505 (patch)
treec9b4263852cf6e8a2f4003ac746011424d1edc69 /gerber/rs274x.py
parentb81c9d4bf96845ced3495eb158ec3a3c9e4dce3d (diff)
parent10d9028e1fdf7431baee73c7f1474d2134bac5fa (diff)
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Merge pull request #41 from curtacircuitos/read_from_memory
Read from memory
Diffstat (limited to 'gerber/rs274x.py')
-rw-r--r--gerber/rs274x.py28
1 files changed, 18 insertions, 10 deletions
diff --git a/gerber/rs274x.py b/gerber/rs274x.py
index 1df3646..210b590 100644
--- a/gerber/rs274x.py
+++ b/gerber/rs274x.py
@@ -22,6 +22,11 @@ import copy
import json
import re
+try:
+ from cStringIO import StringIO
+except(ImportError):
+ from io import StringIO
+
from .gerber_statements import *
from .primitives import *
from .cam import CamFile, FileSettings
@@ -43,6 +48,9 @@ def read(filename):
return GerberParser().parse(filename)
+def loads(data):
+ return GerberParser().parse_raw(data)
+
class GerberFile(CamFile):
""" A class representing a single gerber file
@@ -75,7 +83,6 @@ class GerberFile(CamFile):
def __init__(self, statements, settings, primitives, filename=None):
super(GerberFile, self).__init__(statements, settings, primitives, filename)
-
@property
def comments(self):
return [comment.comment for comment in self.statements
@@ -205,12 +212,14 @@ class GerberParser(object):
self.quadrant_mode = 'multi-quadrant'
self.step_and_repeat = (1, 1, 0, 0)
-
def parse(self, filename):
- fp = open(filename, "r")
- data = fp.readlines()
+ with open(filename, "r") as fp:
+ data = fp.read()
+ return self.parse_raw(data, filename=None)
- for stmt in self._parse(data):
+ def parse_raw(self, data, filename=None):
+ lines = [line for line in StringIO(data)]
+ for stmt in self._parse(lines):
self.evaluate(stmt)
self.statements.append(stmt)
@@ -225,10 +234,10 @@ class GerberParser(object):
return json.dumps(stmts)
def dump_str(self):
- s = ""
+ string = ""
for stmt in self.statements:
- s += str(stmt) + "\n"
- return s
+ string += str(stmt) + "\n"
+ return string
def _parse(self, data):
oldline = ''
@@ -404,7 +413,6 @@ class GerberParser(object):
else:
raise Exception("Invalid statement to evaluate")
-
def _define_aperture(self, d, shape, modifiers):
aperture = None
if shape == 'C':
@@ -490,7 +498,7 @@ class GerberParser(object):
self.current_region = [Arc(start, end, center, self.direction, self.apertures[self.aperture], level_polarity=self.level_polarity, units=self.settings.units),]
else:
self.current_region.append(Arc(start, end, center, self.direction, self.apertures[self.aperture], level_polarity=self.level_polarity, units=self.settings.units))
-
+
elif self.op == "D02":
pass