Repo re-org, make gerberex tests run

1 files changed, 0 insertions, 1189 deletions

diff --git a/gerber/gerber_statements.py b/gerber/gerber_statements.py
deleted file mode 100644
index 28f5e81..0000000
--- a/gerber/gerber_statements.py
+++ /dev/null
@@ -1,1189 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-
-# copyright 2014 Hamilton Kibbe <ham@hamiltonkib.be>
-#
-# 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
-
-#     http://www.apache.org/licenses/LICENSE-2.0
-
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# 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 (RS-274X) Statements
-===========================
-**Gerber RS-274X file statement classes**
-
-"""
-from .utils import (parse_gerber_value, write_gerber_value, decimal_string,
-                    inch, metric)
-
-from .am_statements import *
-from .am_read import read_macro
-from .am_eval import eval_macro
-from .primitives import AMGroup
-
-
-class Statement(object):
-    """ Gerber statement Base class
-
-    The statement class provides a type attribute.
-
-    Parameters
-    ----------
-    type : string
-        String identifying the statement type.
-
-    Attributes
-    ----------
-    type : string
-        String identifying the statement type.
-    """
-
-    def __init__(self, stype, units='inch'):
-        self.type = stype
-        self.units = units
-
-    def __str__(self):
-        s = "<{0} ".format(self.__class__.__name__)
-
-        for key, value in self.__dict__.items():
-            s += "{0}={1} ".format(key, value)
-
-        s = s.rstrip() + ">"
-        return s
-
-    def to_inch(self):
-        self.units = 'inch'
-
-    def to_metric(self):
-        self.units = 'metric'
-
-    def offset(self, x_offset=0, y_offset=0):
-        pass
-
-    def __eq__(self, other):
-        return self.__dict__ == other.__dict__
-
-
-class ParamStmt(Statement):
-    """ Gerber parameter statement Base class
-
-    The parameter statement class provides a parameter type attribute.
-
-    Parameters
-    ----------
-    param : string
-        two-character code identifying the parameter statement type.
-
-    Attributes
-    ----------
-    param : string
-        Parameter type code
-    """
-
-    def __init__(self, param):
-        Statement.__init__(self, "PARAM")
-        self.param = param
-
-
-class FSParamStmt(ParamStmt):
-    """ FS - Gerber Format Specification Statement
-    """
-
-    @classmethod
-    def from_settings(cls, settings):
-
-        return cls('FS', settings.zero_suppression, settings.notation, settings.format)
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        """
-        """
-        param = stmt_dict.get('param')
-
-        if stmt_dict.get('zero') == 'L':
-            zeros = 'leading'
-        elif stmt_dict.get('zero') == 'T':
-            zeros = 'trailing'
-        else:
-            zeros = 'none'
-
-        notation = 'absolute' if stmt_dict.get('notation') == 'A' else 'incremental'
-        fmt = tuple(map(int, stmt_dict.get('x')))
-        return cls(param, zeros, notation, fmt)
-
-    def __init__(self, param, zero_suppression='leading',
-                 notation='absolute', format=(2, 4)):
-        """ Initialize FSParamStmt class
-
-        .. note::
-            The FS command specifies the format of the coordinate data. It
-            must only be used once at the beginning of a file. It must be
-            specified before the first use of coordinate data.
-
-        Parameters
-        ----------
-        param : string
-            Parameter.
-
-        zero_suppression : string
-            Zero-suppression mode. May be either 'leading', 'trailing' or 'none' (all zeros are present)
-
-        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)
-
-        Returns
-        -------
-        ParamStmt : FSParamStmt
-            Initialized FSParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.zero_suppression = zero_suppression
-        self.notation = notation
-        self.format = format
-
-    def to_gerber(self, settings=None):
-        if settings:
-            zero_suppression = 'L' if settings.zero_suppression == 'leading' else 'T'
-            notation = 'A' if settings.notation == 'absolute' else 'I'
-            fmt = ''.join(map(str, settings.format))
-        else:
-            zero_suppression = 'L' if self.zero_suppression == 'leading' else 'T'
-            notation = 'A' if self.notation == 'absolute' else 'I'
-            fmt = ''.join(map(str, self.format))
-
-        return '%FS{0}{1}X{2}Y{3}*%'.format(zero_suppression, notation, fmt, fmt)
-
-    def __str__(self):
-        return ('<Format Spec: %d:%d %s zero suppression %s notation>' %
-                (self.format[0], self.format[1], self.zero_suppression, self.notation))
-
-
-class MOParamStmt(ParamStmt):
-    """ MO - Gerber Mode (measurement units) Statement.
-    """
-
-    @classmethod
-    def from_units(cls, units):
-        return cls(None, units)
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        if stmt_dict.get('mo') is None:
-            mo = None
-        elif stmt_dict.get('mo').lower() not in ('in', 'mm'):
-            raise ValueError('Mode may be mm or in')
-        elif stmt_dict.get('mo').lower() == 'in':
-            mo = 'inch'
-        else:
-            mo = 'metric'
-        return cls(param, mo)
-
-    def __init__(self, param, mo):
-        """ Initialize MOParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter.
-
-        mo : string
-            Measurement units. May be either 'inch' or 'metric'
-
-        Returns
-        -------
-        ParamStmt : MOParamStmt
-            Initialized MOParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.mode = mo
-
-    def to_gerber(self, settings=None):
-        mode = 'MM' if self.mode == 'metric' else 'IN'
-        return '%MO{0}*%'.format(mode)
-
-    def to_inch(self):
-        self.mode = 'inch'
-
-    def to_metric(self):
-        self.mode = 'metric'
-
-    def __str__(self):
-        mode_str = 'millimeters' if self.mode == 'metric' else 'inches'
-        return ('<Mode: %s>' % mode_str)
-
-
-class LPParamStmt(ParamStmt):
-    """ LP - Gerber Level Polarity statement
-    """
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict['param']
-        lp = 'clear' if stmt_dict.get('lp') == 'C' else 'dark'
-        return cls(param, lp)
-
-    def __init__(self, param, lp):
-        """ Initialize LPParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter
-
-        lp : string
-            Level polarity. May be either 'clear' or 'dark'
-
-        Returns
-        -------
-        ParamStmt : LPParamStmt
-            Initialized LPParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.lp = lp
-
-    def to_gerber(self, settings=None):
-        lp = 'C' if self.lp == 'clear' else 'D'
-        return '%LP{0}*%'.format(lp)
-
-    def __str__(self):
-        return '<Level Polarity: %s>' % self.lp
-
-
-class ADParamStmt(ParamStmt):
-    """ AD - Gerber Aperture Definition Statement
-    """
-
-    @classmethod
-    def rect(cls, dcode, width, height, hole_diameter=None, hole_width=None, hole_height=None):
-        '''Create a rectangular aperture definition statement'''
-        if hole_diameter is not None and hole_diameter > 0:
-            return cls('AD', dcode, 'R', ([width, height, hole_diameter],))
-        elif (hole_width is not None and hole_width > 0
-              and hole_height is not None and hole_height > 0):
-            return cls('AD', dcode, 'R', ([width, height, hole_width, hole_height],))
-        return cls('AD', dcode, 'R', ([width, height],))
-
-    @classmethod
-    def circle(cls, dcode, diameter, hole_diameter=None, hole_width=None, hole_height=None):
-        '''Create a circular aperture definition statement'''
-        if hole_diameter is not None and hole_diameter > 0:
-            return cls('AD', dcode, 'C', ([diameter, hole_diameter],))
-        elif (hole_width is not None and hole_width > 0
-              and hole_height is not None and hole_height > 0):
-            return cls('AD', dcode, 'C', ([diameter, hole_width, hole_height],))
-        return cls('AD', dcode, 'C', ([diameter],))
-
-    @classmethod
-    def obround(cls, dcode, width, height, hole_diameter=None, hole_width=None, hole_height=None):
-        '''Create an obround aperture definition statement'''
-        if hole_diameter is not None and hole_diameter > 0:
-            return cls('AD', dcode, 'O', ([width, height, hole_diameter],))
-        elif (hole_width is not None and hole_width > 0
-              and hole_height is not None and hole_height > 0):
-            return cls('AD', dcode, 'O', ([width, height, hole_width, hole_height],))
-        return cls('AD', dcode, 'O', ([width, height],))
-
-    @classmethod
-    def polygon(cls, dcode, diameter, num_vertices, rotation, hole_diameter=None, hole_width=None, hole_height=None):
-        '''Create a polygon aperture definition statement'''
-        if hole_diameter is not None and hole_diameter > 0:
-            return cls('AD', dcode, 'P', ([diameter, num_vertices, rotation, hole_diameter],))
-        elif (hole_width is not None and hole_width > 0
-              and hole_height is not None and hole_height > 0):
-            return cls('AD', dcode, 'P', ([diameter, num_vertices, rotation, hole_width, hole_height],))
-        return cls('AD', dcode, 'P', ([diameter, num_vertices, rotation],))
-
-
-    @classmethod
-    def macro(cls, dcode, name):
-        return cls('AD', dcode, name, '')
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        d = int(stmt_dict.get('d'))
-        shape = stmt_dict.get('shape')
-        modifiers = stmt_dict.get('modifiers')
-        return cls(param, d, shape, modifiers)
-
-    def __init__(self, param, d, shape, modifiers):
-        """ Initialize ADParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter code
-
-        d : int
-            Aperture D-code
-
-        shape : string
-            aperture name
-
-        modifiers : list of lists of floats
-            Shape modifiers
-
-        Returns
-        -------
-        ParamStmt : ADParamStmt
-            Initialized ADParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.d = d
-        self.shape = shape
-        if isinstance(modifiers, tuple):
-            self.modifiers = modifiers
-        elif modifiers:
-            self.modifiers = [tuple([float(x) for x in m.split("X") if len(x)])
-                              for m in modifiers.split(",") if len(m)]
-        else:
-            self.modifiers = [tuple()]
-
-    def to_inch(self):
-        if self.units == 'metric':
-            self.units = 'inch'
-            self.modifiers = [tuple([inch(x) for x in modifier])
-                              for modifier in self.modifiers]
-
-    def to_metric(self):
-        if self.units == 'inch':
-            self.units = 'metric'
-            self.modifiers = [tuple([metric(x) for x in modifier])
-                              for modifier in self.modifiers]
-
-    def to_gerber(self, settings=None):
-        if any(self.modifiers):
-            return '%ADD{0}{1},{2}*%'.format(self.d, self.shape, ','.join(['X'.join(["%.4g" % x for x in modifier]) for modifier in self.modifiers]))
-        else:
-            return '%ADD{0}{1}*%'.format(self.d, self.shape)
-
-    def __str__(self):
-        if self.shape == 'C':
-            shape = 'circle'
-        elif self.shape == 'R':
-            shape = 'rectangle'
-        elif self.shape == 'O':
-            shape = 'obround'
-        else:
-            shape = self.shape
-
-        return '<Aperture Definition: %d: %s>' % (self.d, shape)
-
-
-class AMParamStmt(ParamStmt):
-    """ AM - Aperture Macro Statement
-    """
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        return cls(**stmt_dict)
-
-    def __init__(self, param, name, macro):
-        """ Initialize AMParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter code
-
-        name : string
-            Aperture macro name
-
-        macro : string
-            Aperture macro string
-
-        Returns
-        -------
-        ParamStmt : AMParamStmt
-            Initialized AMParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.name = name
-        self.macro = macro
-
-        self.instructions = self.read(macro)
-        self.primitives = []
-
-    def read(self, macro):
-        return read_macro(macro)
-
-    def build(self, modifiers=[[]]):
-        self.primitives = []
-
-        for primitive in eval_macro(self.instructions, modifiers[0]):
-            if primitive[0] == '0':
-                self.primitives.append(AMCommentPrimitive.from_gerber(primitive))
-            elif primitive[0] == '1':
-                self.primitives.append(AMCirclePrimitive.from_gerber(primitive))
-            elif primitive[0:2] in ('2,', '20'):
-                self.primitives.append(AMVectorLinePrimitive.from_gerber(primitive))
-            elif primitive[0:2] == '21':
-                self.primitives.append(AMCenterLinePrimitive.from_gerber(primitive))
-            elif primitive[0:2] == '22':
-                self.primitives.append(AMLowerLeftLinePrimitive.from_gerber(primitive))
-            elif primitive[0] == '4':
-                self.primitives.append(AMOutlinePrimitive.from_gerber(primitive))
-            elif primitive[0] == '5':
-                self.primitives.append(AMPolygonPrimitive.from_gerber(primitive))
-            elif primitive[0] == '6':
-                self.primitives.append(AMMoirePrimitive.from_gerber(primitive))
-            elif primitive[0] == '7':
-                self.primitives.append(
-                    AMThermalPrimitive.from_gerber(primitive))
-            else:
-                self.primitives.append(
-                    AMUnsupportPrimitive.from_gerber(primitive))
-
-        return AMGroup(self.primitives, stmt=self, units=self.units)
-
-    def to_inch(self):
-        if self.units == 'metric':
-            self.units = 'inch'
-            for primitive in self.primitives:
-                primitive.to_inch()
-
-    def to_metric(self):
-        if self.units == 'inch':
-            self.units = 'metric'
-            for primitive in self.primitives:
-                primitive.to_metric()
-
-    def to_gerber(self, settings=None):
-        return '%AM{0}*{1}%'.format(self.name, "".join([primitive.to_gerber() for primitive in self.primitives]))
-
-    def __str__(self):
-        return '<Aperture Macro %s: %s>' % (self.name, self.macro)
-
-
-class ASParamStmt(ParamStmt):
-    """ AS - Axis Select. (Deprecated)
-    """
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        mode = stmt_dict.get('mode')
-        return cls(param, mode)
-
-    def __init__(self, param, mode):
-        """ Initialize ASParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter string.
-
-        mode : string
-            Axis select. May be either 'AXBY' or 'AYBX'
-
-        Returns
-        -------
-        ParamStmt : ASParamStmt
-            Initialized ASParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.mode = mode
-
-    def to_gerber(self, settings=None):
-        return '%AS{0}*%'.format(self.mode)
-
-    def __str__(self):
-        return ('<Axis Select: %s>' % self.mode)
-
-
-class INParamStmt(ParamStmt):
-    """ IN - Image Name Statement (Deprecated)
-    """
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        return cls(**stmt_dict)
-
-    def __init__(self, param, name):
-        """ Initialize INParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter code
-
-        name : string
-            Image name
-
-        Returns
-        -------
-        ParamStmt : INParamStmt
-            Initialized INParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.name = name
-
-    def to_gerber(self, settings=None):
-        return '%IN{0}*%'.format(self.name)
-
-    def __str__(self):
-        return '<Image Name: %s>' % self.name
-
-
-class IPParamStmt(ParamStmt):
-    """ IP - Gerber Image Polarity Statement. (Deprecated)
-    """
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        ip = 'positive' if stmt_dict.get('ip') == 'POS' else 'negative'
-        return cls(param, ip)
-
-    def __init__(self, param, ip):
-        """ Initialize IPParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter string.
-
-        ip : string
-            Image polarity. May be either'positive' or 'negative'
-
-        Returns
-        -------
-        ParamStmt : IPParamStmt
-            Initialized IPParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.ip = ip
-
-    def to_gerber(self, settings=None):
-        ip = 'POS' if self.ip == 'positive' else 'NEG'
-        return '%IP{0}*%'.format(ip)
-
-    def __str__(self):
-        return ('<Image Polarity: %s>' % self.ip)
-
-
-class IRParamStmt(ParamStmt):
-    """ IR - Image Rotation Param (Deprecated)
-    """
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        angle = int(stmt_dict['angle'])
-        return cls(stmt_dict['param'], angle)
-
-    def __init__(self, param, angle):
-        """ Initialize IRParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter code
-
-        angle : int
-            Image angle
-
-        Returns
-        -------
-        ParamStmt : IRParamStmt
-            Initialized IRParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.angle = angle
-
-    def to_gerber(self, settings=None):
-        return '%IR{0}*%'.format(self.angle)
-
-    def __str__(self):
-        return '<Image Angle: %s>' % self.angle
-
-
-class MIParamStmt(ParamStmt):
-    """ MI - Image Mirror Param (Deprecated)
-    """
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        a = int(stmt_dict.get('a', 0))
-        b = int(stmt_dict.get('b', 0))
-        return cls(param, a, b)
-
-    def __init__(self, param, a, b):
-        """ Initialize MIParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter code
-
-        a : int
-            Mirror for A output devices axis (0=disabled, 1=mirrored)
-
-        b : int
-            Mirror for B output devices axis (0=disabled, 1=mirrored)
-
-        Returns
-        -------
-        ParamStmt : MIParamStmt
-            Initialized MIParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.a = a
-        self.b = b
-
-    def to_gerber(self, settings=None):
-        ret = "%MI"
-        if self.a is not None:
-            ret += "A{0}".format(self.a)
-        if self.b is not None:
-            ret += "B{0}".format(self.b)
-        ret += "*%"
-        return ret
-
-    def __str__(self):
-        return '<Image Mirror: A=%d B=%d>' % (self.a, self.b)
-
-
-class OFParamStmt(ParamStmt):
-    """ OF - Gerber Offset statement (Deprecated)
-    """
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        a = float(stmt_dict.get('a', 0))
-        b = float(stmt_dict.get('b', 0))
-        return cls(param, a, b)
-
-    def __init__(self, param, a, b):
-        """ Initialize OFParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter
-
-        a : float
-            Offset along the output device A axis
-
-        b : float
-            Offset along the output device B axis
-
-        Returns
-        -------
-        ParamStmt : OFParamStmt
-            Initialized OFParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.a = a
-        self.b = b
-
-    def to_gerber(self, settings=None):
-        ret = '%OF'
-        if self.a is not None:
-            ret += 'A' + decimal_string(self.a, precision=5)
-        if self.b is not None:
-            ret += 'B' + decimal_string(self.b, precision=5)
-        return ret + '*%'
-
-    def to_inch(self):
-        if self.units == 'metric':
-            self.units = 'inch'
-            if self.a is not None:
-                self.a = inch(self.a)
-            if self.b is not None:
-                self.b = inch(self.b)
-
-    def to_metric(self):
-        if self.units == 'inch':
-            self.units = 'metric'
-            if self.a is not None:
-                self.a = metric(self.a)
-            if self.b is not None:
-                self.b = metric(self.b)
-
-    def offset(self, x_offset=0, y_offset=0):
-        if self.a is not None:
-            self.a += x_offset
-        if self.b is not None:
-            self.b += y_offset
-
-    def __str__(self):
-        offset_str = ''
-        if self.a is not None:
-            offset_str += ('X: %f ' % self.a)
-        if self.b is not None:
-            offset_str += ('Y: %f ' % self.b)
-        return ('<Offset: %s>' % offset_str)
-
-
-class SFParamStmt(ParamStmt):
-    """ SF - Scale Factor Param (Deprecated)
-    """
-
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        param = stmt_dict.get('param')
-        a = float(stmt_dict.get('a', 1))
-        b = float(stmt_dict.get('b', 1))
-        return cls(param, a, b)
-
-    def __init__(self, param, a, b):
-        """ Initialize OFParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter
-
-        a : float
-            Scale factor for the output device A axis
-
-        b : float
-            Scale factor for the output device B axis
-
-        Returns
-        -------
-        ParamStmt : SFParamStmt
-            Initialized SFParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.a = a
-        self.b = b
-
-    def to_gerber(self, settings=None):
-        ret = '%SF'
-        if self.a is not None:
-            ret += 'A' + decimal_string(self.a, precision=5)
-        if self.b is not None:
-            ret += 'B' + decimal_string(self.b, precision=5)
-        return ret + '*%'
-
-    def to_inch(self):
-        if self.units == 'metric':
-            self.units = 'inch'
-            if self.a is not None:
-                self.a = inch(self.a)
-            if self.b is not None:
-                self.b = inch(self.b)
-
-    def to_metric(self):
-        if self.units == 'inch':
-            self.units = 'metric'
-            if self.a is not None:
-                self.a = metric(self.a)
-            if self.b is not None:
-                self.b = metric(self.b)
-
-    def offset(self, x_offset=0, y_offset=0):
-        if self.a is not None:
-            self.a += x_offset
-        if self.b is not None:
-            self.b += y_offset
-
-    def __str__(self):
-        scale_factor = ''
-        if self.a is not None:
-            scale_factor += ('X: %g ' % self.a)
-        if self.b is not None:
-            scale_factor += ('Y: %g' % self.b)
-        return ('<Scale Factor: %s>' % scale_factor)
-
-
-class LNParamStmt(ParamStmt):
-    """ LN - Level Name Statement (Deprecated)
-    """
-    @classmethod
-    def from_dict(cls, stmt_dict):
-        return cls(**stmt_dict)
-
-    def __init__(self, param, name):
-        """ Initialize LNParamStmt class
-
-        Parameters
-        ----------
-        param : string
-            Parameter code
-
-        name : string
-            Level name
-
-        Returns
-        -------
-        ParamStmt : LNParamStmt
-            Initialized LNParamStmt class.
-
-        """
-        ParamStmt.__init__(self, param)
-        self.name = name
-
-    def to_gerber(self, settings=None):
-        return '%LN{0}*%'.format(self.name)
-
-    def __str__(self):
-        return '<Level Name: %s>' % self.name
-
-
-class DeprecatedStmt(Statement):
-    """ Unimportant deprecated statement, will be parsed but not emitted.
-    """
-    @classmethod
-    def from_gerber(cls, line):
-        return cls(line)
-
-    def __init__(self, line):
-        """ Initialize DeprecatedStmt class
-
-        Parameters
-        ----------
-        line : string
-            Deprecated statement text
-
-        Returns
-        -------
-        DeprecatedStmt
-            Initialized DeprecatedStmt class.
-
-        """
-        Statement.__init__(self, "DEPRECATED")
-        self.line = line
-
-    def to_gerber(self, settings=None):
-        return self.line
-
-    def __str__(self):
-        return '<Deprecated Statement: \'%s\'>' % self.line
-
-
-class CoordStmt(Statement):
-    """ Coordinate Data Block
-    """
-
-    OP_DRAW = 'D01'
-    OP_MOVE = 'D02'
-    OP_FLASH = 'D03'
-
-    FUNC_LINEAR = 'G01'
-    FUNC_ARC_CW = 'G02'
-    FUNC_ARC_CCW = 'G03'
-
-    @classmethod
-    def from_dict(cls, stmt_dict, settings):
-        function = stmt_dict['function']
-        x = stmt_dict.get('x')
-        y = stmt_dict.get('y')
-        i = stmt_dict.get('i')
-        j = stmt_dict.get('j')
-        op = stmt_dict.get('op')
-
-        if x is not None:
-            x = parse_gerber_value(stmt_dict.get('x'), settings.format,
-                                   settings.zero_suppression)
-        if y is not None:
-            y = parse_gerber_value(stmt_dict.get('y'), settings.format,
-                                   settings.zero_suppression)
-        if i is not None:
-            i = parse_gerber_value(stmt_dict.get('i'), settings.format,
-                                   settings.zero_suppression)
-        if j is not None:
-            j = parse_gerber_value(stmt_dict.get('j'), settings.format,
-                                   settings.zero_suppression)
-        return cls(function, x, y, i, j, op, settings)
-
-    @classmethod
-    def move(cls, func, point):
-        if point:
-            return cls(func, point[0], point[1], None, None, CoordStmt.OP_MOVE, None)
-        # No point specified, so just write the function. This is normally for ending a region (D02*)
-        return cls(func, None, None, None, None, CoordStmt.OP_MOVE, None)
-
-    @classmethod
-    def line(cls, func, point):
-        return cls(func, point[0], point[1], None, None, CoordStmt.OP_DRAW, None)
-
-    @classmethod
-    def mode(cls, func):
-        return cls(func, None, None, None, None, None, None)
-
-    @classmethod
-    def arc(cls, func, point, center):
-        return cls(func, point[0], point[1], center[0], center[1], CoordStmt.OP_DRAW, None)
-
-    @classmethod
-    def flash(cls, point):
-        if point:
-            return cls(None, point[0], point[1], None, None, CoordStmt.OP_FLASH, None)
-        else:
-            return cls(None, None, None, None, None, CoordStmt.OP_FLASH, None)
-
-    def __init__(self, function, x, y, i, j, op, settings):
-        """ Initialize CoordStmt class
-
-        Parameters
-        ----------
-        function : string
-            function
-
-        x : float
-            X coordinate
-
-        y : float
-            Y coordinate
-
-        i : float
-            Coordinate offset in the X direction
-
-        j : float
-            Coordinate offset in the Y direction
-
-        op : string
-            Operation code
-
-        settings : dict {'zero_suppression', 'format'}
-            Gerber file coordinate format
-
-        Returns
-        -------
-        Statement : CoordStmt
-            Initialized CoordStmt class.
-
-        """
-        Statement.__init__(self, "COORD")
-        self.function = function
-        self.x = x
-        self.y = y
-        self.i = i
-        self.j = j
-        self.op = op
-
-    def to_gerber(self, settings=None):
-        ret = ''
-        if self.function:
-            ret += self.function
-        if self.x is not None:
-            ret += 'X{0}'.format(write_gerber_value(self.x, settings.format,
-                                                    settings.zero_suppression))
-        if self.y is not None:
-            ret += 'Y{0}'.format(write_gerber_value(self.y, settings.format,
-                                                    settings.zero_suppression))
-        if self.i is not None:
-            ret += 'I{0}'.format(write_gerber_value(self.i, settings.format,
-                                                    settings.zero_suppression))
-        if self.j is not None:
-            ret += 'J{0}'.format(write_gerber_value(self.j, settings.format,
-                                                    settings.zero_suppression))
-        if self.op:
-            ret += self.op
-        return ret + '*'
-
-    def to_inch(self):
-        if self.units == 'metric':
-            self.units = 'inch'
-            if self.x is not None:
-                self.x = inch(self.x)
-            if self.y is not None:
-                self.y = inch(self.y)
-            if self.i is not None:
-                self.i = inch(self.i)
-            if self.j is not None:
-                self.j = inch(self.j)
-            if self.function == "G71":
-                self.function = "G70"
-
-    def to_metric(self):
-        if self.units == 'inch':
-            self.units = 'metric'
-            if self.x is not None:
-                self.x = metric(self.x)
-            if self.y is not None:
-                self.y = metric(self.y)
-            if self.i is not None:
-                self.i = metric(self.i)
-            if self.j is not None:
-                self.j = metric(self.j)
-            if self.function == "G70":
-                self.function = "G71"
-
-    def offset(self, x_offset=0, y_offset=0):
-        if self.x is not None:
-            self.x += x_offset
-        if self.y is not None:
-            self.y += y_offset
-        if self.i is not None:
-            self.i += x_offset
-        if self.j is not None:
-            self.j += y_offset
-
-    def __str__(self):
-        coord_str = ''
-        if self.function:
-            coord_str += 'Fn: %s ' % self.function
-        if self.x is not None:
-            coord_str += 'X: %g ' % self.x
-        if self.y is not None:
-            coord_str += 'Y: %g ' % self.y
-        if self.i is not None:
-            coord_str += 'I: %g ' % self.i
-        if self.j is not None:
-            coord_str += 'J: %g ' % self.j
-        if self.op:
-            if self.op == 'D01':
-                op = 'Lights On'
-            elif self.op == 'D02':
-                op = 'Lights Off'
-            elif self.op == 'D03':
-                op = 'Flash'
-            else:
-                op = self.op
-            coord_str += 'Op: %s' % op
-
-        return '<Coordinate Statement: %s>' % coord_str
-
-    @property
-    def only_function(self):
-        """
-        Returns if the statement only set the function.
-        """
-
-        # TODO I would like to refactor this so that the function is handled separately and then
-        # TODO this isn't required
-        return self.function != None and self.op == None and self.x == None and self.y == None and self.i == None and self.j == None
-
-
-class ApertureStmt(Statement):
-    """ Aperture Statement
-    """
-
-    def __init__(self, d, deprecated=None):
-        Statement.__init__(self, "APERTURE")
-        self.d = int(d)
-        self.deprecated = True if deprecated is not None and deprecated is not False else False
-
-    def to_gerber(self, settings=None):
-        if self.deprecated:
-            return 'G54D{0}*'.format(self.d)
-        else:
-            return 'D{0}*'.format(self.d)
-
-    def __str__(self):
-        return '<Aperture: %d>' % self.d
-
-
-class CommentStmt(Statement):
-    """ Comment Statment
-    """
-
-    def __init__(self, comment):
-        Statement.__init__(self, "COMMENT")
-        self.comment = comment if comment is not None else ""
-
-    def to_gerber(self, settings=None):
-        return 'G04{0}*'.format(self.comment)
-
-    def __str__(self):
-        return '<Comment: %s>' % self.comment
-
-
-class EofStmt(Statement):
-    """ EOF Statement
-    """
-
-    def __init__(self):
-        Statement.__init__(self, "EOF")
-
-    def to_gerber(self, settings=None):
-        return 'M02*'
-
-    def __str__(self):
-        return '<EOF Statement>'
-
-
-class QuadrantModeStmt(Statement):
-
-    @classmethod
-    def single(cls):
-        return cls('single-quadrant')
-
-    @classmethod
-    def multi(cls):
-        return cls('multi-quadrant')
-
-    @classmethod
-    def from_gerber(cls, line):
-        if 'G74' not in line and 'G75' not in line:
-            raise ValueError('%s is not a valid quadrant mode statement'
-                             % line)
-        return (cls('single-quadrant') if line[:3] == 'G74'
-                else cls('multi-quadrant'))
-
-    def __init__(self, mode):
-        super(QuadrantModeStmt, self).__init__('QuadrantMode')
-        mode = mode.lower()
-        if mode not in ['single-quadrant', 'multi-quadrant']:
-            raise ValueError('Quadrant mode must be "single-quadrant" \
-                             or "multi-quadrant"')
-        self.mode = mode
-
-    def to_gerber(self, settings=None):
-        return 'G74*' if self.mode == 'single-quadrant' else 'G75*'
-
-
-class RegionModeStmt(Statement):
-
-    @classmethod
-    def from_gerber(cls, line):
-        if 'G36' not in line and 'G37' not in line:
-            raise ValueError('%s is not a valid region mode statement' % line)
-        return (cls('on') if line[:3] == 'G36' else cls('off'))
-
-    @classmethod
-    def on(cls):
-        return cls('on')
-
-    @classmethod
-    def off(cls):
-        return cls('off')
-
-    def __init__(self, mode):
-        super(RegionModeStmt, self).__init__('RegionMode')
-        mode = mode.lower()
-        if mode not in ['on', 'off']:
-            raise ValueError('Valid modes are "on" or "off"')
-        self.mode = mode
-
-    def to_gerber(self, settings=None):
-        return 'G36*' if self.mode == 'on' else 'G37*'
-
-
-class UnknownStmt(Statement):
-    """ Unknown Statement
-    """
-
-    def __init__(self, line):
-        Statement.__init__(self, "UNKNOWN")
-        self.line = line
-
-    def to_gerber(self, settings=None):
-        return self.line
-
-    def __str__(self):
-        return '<Unknown Statement: \'%s\'>' % self.line