Mail Archives: geda-user/2021/07/13/12:44:33
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> On Jul 13, 2021, at 12:18 PM, Peter Stuge (peter AT stuge DOT se) [via =
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
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> John Doty wrote:
>>> I've merely described that, and why, I find xorn and Python good =
choices.
>>=20
>> What, exactly, is Xorn? I know what Python is.
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> Roland, please correct me if this is inaccurate.
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> I understand xorn to mean the C++, C and Python code that works with
> instances of the expanded data model which covers all geda-gaf can do.
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> The C++ code is libxornstorage, which implements objects, attributes,
> object revisions, selections along with common operations.
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> The C code bridges libxornstorage and Guile(!) to CPython.
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> The Python code is the gnetlist, gaf and xorn commands and all the
> gnetlist backends, one of which (gnet_guile) uses the C bridge to =
Guile
> to run an existing backend written in Scheme.
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> I understand that Roland has put significant effort into ensuring
> that this last feature is reliably backwards compatible. I overlooked
> the feature previously in this thread - sorry about that. :\
I repeat: what, exactly, is Xorn? The above doesn=E2=80=99t tell me =
anything useful or concrete. That=E2=80=99s the problem with Xorn: as =
far as I can tell, only Roland understands the concrete details, which =
are all that matters. =E2=80=9CGod is in the details.=E2=80=9D
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> Kind regards
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> //Peter
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John Doty Noqsi Aerospace, Ltd.
jpd AT noqsi DOT com
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; line-break: after-white-space;" class=3D""><br =
class=3D""><div><br class=3D""><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jul 13, 2021, at 12:18 PM, Peter Stuge (<a =
href=3D"mailto:peter AT stuge DOT se" class=3D"">peter AT stuge DOT se</a>) [via <a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a>] <<a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a>> wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div class=3D"">John =
Doty wrote:<br class=3D""><blockquote type=3D"cite" class=3D""><blockquote=
type=3D"cite" class=3D"">I've merely described that, and why, I find =
xorn and Python good choices.<br class=3D""></blockquote><br =
class=3D"">What, exactly, is Xorn? I know what Python is.<br =
class=3D""></blockquote><br class=3D"">Roland, please correct me if this =
is inaccurate.<br class=3D""><br class=3D"">I understand xorn to mean =
the C++, C and Python code that works with<br class=3D"">instances of =
the expanded data model which covers all geda-gaf can do.<br =
class=3D""><br class=3D"">The C++ code is libxornstorage, which =
implements objects, attributes,<br class=3D"">object revisions, =
selections along with common operations.<br class=3D""><br class=3D"">The =
C code bridges libxornstorage and Guile(!) to CPython.<br class=3D""><br =
class=3D"">The Python code is the gnetlist, gaf and xorn commands and =
all the<br class=3D"">gnetlist backends, one of which (gnet_guile) uses =
the C bridge to Guile<br class=3D"">to run an existing backend written =
in Scheme.<br class=3D""><br class=3D"">I understand that Roland has put =
significant effort into ensuring<br class=3D"">that this last feature is =
reliably backwards compatible. I overlooked<br class=3D"">the feature =
previously in this thread - sorry about that. :\<br =
class=3D""></div></div></blockquote><div><br class=3D""></div>I repeat: =
what, exactly, is Xorn? The above doesn=E2=80=99t tell me anything =
useful or concrete. That=E2=80=99s the problem with Xorn: as far as I =
can tell, only Roland understands the concrete details, which are all =
that matters. =E2=80=9CGod is in the details.=E2=80=9D</div><div><br =
class=3D""><blockquote type=3D"cite" class=3D""><div class=3D""><div =
class=3D""><br class=3D""><br class=3D"">Kind regards<br class=3D""><br =
class=3D"">//Peter<br class=3D""><br =
class=3D""></div></div></blockquote></div><br class=3D""><div class=3D"">
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-ligatures: normal; =
font-variant-caps: normal; font-variant-east-asian: normal; =
font-variant-position: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-indent: 0px; text-transform: none; =
orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><div =
style=3D"word-wrap: break-word;" class=3D""><span =
class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px; color: rgb(0, 0, 0); font-family: Helvetica; =
font-size: 12px; font-style: normal; font-variant-ligatures: normal; =
font-variant-caps: normal; font-variant-east-asian: normal; =
font-variant-position: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-indent: 0px; text-transform: none; =
orphans: 2; white-space: normal; widows: 2; word-spacing: 0px;"><p =
style=3D"margin: 0px;" class=3D""><font face=3D"Helvetica" size=3D"3" =
style=3D"font-style: normal; font-variant-caps: normal; font-weight: =
normal; font-size: 12px; line-height: normal; font-family: Helvetica;" =
class=3D"">John Doty<span class=3D"Apple-converted-space"> =
<span =
class=3D"Apple-converted-space"> </span><span =
class=3D"Apple-converted-tab"> <span =
class=3D"Apple-converted-space"> </span></span></span>Noqsi =
Aerospace, Ltd.</font></p><p style=3D"margin: 0px;" class=3D""><a =
href=3D"mailto:jpd AT noqsi DOT com" class=3D"">jpd AT noqsi DOT com</a></p><br =
class=3D"Apple-interchange-newline"></span></div></span><br =
class=3D"Apple-interchange-newline">
</div>
<br class=3D""></body></html>=
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