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From: | "Mitch Davis (mjd+geda-user AT hackvana DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> |
Date: | Tue, 14 Jul 2015 21:57:36 +1000 |
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Subject: | Re: [geda-user] why I parse sch: gnetlist, writing backends (Back annotation) |
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--089e011774857b8d5a051ad48c74 Content-Type: text/plain; charset=UTF-8 On Sat, Jul 11, 2015 at 7:34 AM, Roland Lutz <rlutz AT hedmen DOT org> wrote: > On Fri, 10 Jul 2015, gedau AT igor2 DOT repo DOT hu wrote: > >> So next time I have something similar to solve, I will first ask you for >> the scheme code and only if that fails I do the dirty sch-parsing awk >> fewliner. >> > > You could use Xorn. Since this uses the actual gEDA parsing code, the > result is exactly what gEDA would see when reading the file. Taking the > "outputting coords of line segments" task as an example, this would be: > > import xorn.storage > from xorn.geda.read import read > > sch = read('some-schematic.sch') > > for ob in sch.toplevel_objects(): > data = ob.data() > if isinstance(data, xorn.storage.Line): > print 'X1: %d Y1: %d X2: %d Y2: %d' % ( > data.x, data.y, data.x + data.width, data.y + data.height) > I don't know why everyone is complaining about Scheme. I can read this just fine, the first time I ever saw it. M. --089e011774857b8d5a051ad48c74 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable <div class=3D"gmail_quote">On Sat, Jul 11, 2015 at 7:34 AM, Roland Lutz <sp= an dir=3D"ltr"><<a href=3D"mailto:rlutz AT hedmen DOT org" target=3D"_blank">rl= utz AT hedmen DOT org</a>></span> wrote:<br><blockquote class=3D"gmail_quote" s= tyle=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><spa= n class=3D"">On Fri, 10 Jul 2015, <a href=3D"mailto:gedau AT igor2 DOT repo DOT hu" ta= rget=3D"_blank">gedau AT igor2 DOT repo DOT hu</a> wrote:<br> <blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p= x #ccc solid;padding-left:1ex"> So next time I have something similar to solve, I will first ask you for th= e scheme code and only if that fails I do the dirty sch-parsing awk fewline= r.<br> </blockquote> <br></span> You could use Xorn.=C2=A0 Since this uses the actual gEDA parsing code, the= result is exactly what gEDA would see when reading the file.=C2=A0 Taking = the "outputting coords of line segments" task as an example, this= would be:<br> <br> =C2=A0 =C2=A0 import xorn.storage<br> =C2=A0 =C2=A0 from xorn.geda.read import read<br> <br> =C2=A0 =C2=A0 sch =3D read('some-schematic.sch')<br> <br> =C2=A0 =C2=A0 for ob in sch.toplevel_objects():<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 data =3D ob.data()<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 if isinstance(data, xorn.storage.Line):<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 print 'X1: %d Y1: %d X2: %d Y= 2: %d' % (<br> =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 data.x, data.y, dat= a.x + data.width, data.y + data.height)<br></blockquote><div><br>I don'= t know why everyone is complaining about Scheme.=C2=A0 I can read this just= fine, the first time I ever saw it.<br><br>M.<br></div></div> --089e011774857b8d5a051ad48c74--
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