Add Ngspice recipe

packages/diskcache/meta.yaml

@@ -0,0 +1,16 @@
+package:
+  name: diskcache
+  version: 5.6.3
+  top-level:
+    - diskcache
+source:
+  url: https://files.pythonhosted.org/packages/py3/d/diskcache/diskcache-5.6.3-py3-none-any.whl
+  sha256: 5e31b2d5fbad117cc363ebaf6b689474db18a1f6438bc82358b024abd4c2ca19
+about:
+  home: http://www.grantjenks.com/docs/diskcache/
+  PyPI: https://pypi.org/project/diskcache
+  summary: Disk Cache -- Disk and file backed persistent cache.
+  license: Apache 2.0
+extra:
+  recipe-maintainers:
+    - PUT_YOUR_GITHUB_USERNAME_HERE

packages/inspice/meta.yaml

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+package:
+  name: inspice
+  version: 1.6.3.3
+  top-level:
+    - InSpice
+source:
+  url: https://files.pythonhosted.org/packages/65/dc/10a19fea20319d33898aed32d944afef59f6f94c03b2eb6c645ec64ae171/inspice-1.6.3.3-py3-none-any.whl
+  sha256: ae550f6ec792e57bda083f116bd39e2535c6b742de33ca73268ad2792043a45a
+requirements:
+  run:
+    - numpy
+    - matplotlib
+    - pyyaml
+    - cffi
+    - diskcache
+    - h5py
+    - ply
+    - ngspice
+about:
+  home: https://github.com/Innovoltive/InSpice
+  PyPI: https://pypi.org/project/inspice
+  summary: Python interface to Ngspice and Xyce circuit simulators (forked from PySpice)
+  license: GPL-3.0-or-later
+extra:
+  recipe-maintainers:
+    - pepijndevos

packages/inspice/test_inspice.py

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+from pytest_pyodide import run_in_pyodide
+
+
+@run_in_pyodide(packages=["inspice"])
+def test_mytestname(selenium):
+    from InSpice.Spice.NgSpice.Shared import NgSpiceShared
+
+    ngspice = NgSpiceShared()
+    circuit = """
+    .title Voltage Multiplier
+
+    .SUBCKT 1N4148 1 2
+    *
+    R1 1 2 5.827E+9
+    D1 1 2 1N4148
+    *
+    .MODEL 1N4148 D
+    + IS = 4.352E-9
+    + N = 1.906
+    + BV = 110
+    + IBV = 0.0001
+    + RS = 0.6458
+    + CJO = 7.048E-13
+    + VJ = 0.869
+    + M = 0.03
+    + FC = 0.5
+    + TT = 3.48E-9
+    .ENDS
+
+    Vinput in 0 DC 0V AC 1V SIN(0V 10V 50Hz 0s 0Hz)
+    C0 in 1 1mF
+    X0 1 0 1N4148
+    C1 0 2 1mF
+    X1 2 1 1N4148
+    C2 1 3 1mF
+    X2 3 2 1N4148
+    C3 2 4 1mF
+    X3 4 3 1N4148
+    C4 3 5 1mF
+    X4 5 4 1N4148
+    R1 5 6 1MegOhm
+    .options TEMP = 25°C
+    .options TNOM = 25°C
+    .options filetype = binary
+    .options NOINIT
+    .ic
+    .tran 0.0001s 0.4s 0s
+    .end
+    """
+    ngspice.load_circuit(circuit)
+    ngspice.run()
+    plot = ngspice.plot(simulation=None, plot_name=ngspice.last_plot)
+    assert "V(6)" in plot

packages/ngspice/meta.yaml

@@ -0,0 +1,43 @@
+package:
+  name: ngspice
+  version: "44.2"
+  tag:
+    - library
+    - shared_library
+source:
+  url: https://github.com/danchitnis/ngspice-sf-mirror/archive/refs/tags/ngspice-44.2.zip
+  sha256: 3ae94703938247a22148f60a1307d52719d42a9134b5aef6252594000f513902
+  patches:
+    - patches/0001-keep-alive-API-functions.patch
+    - patches/0001-no-hicum2.patch
+
+build:
+  type: shared_library
+  script: |
+    bash ./autogen.sh
+
+    configure_args=(
+      --prefix=${WASM_LIBRARY_DIR}
+      --disable-xspice
+      --disable-debug
+      --disable-dependency-tracking
+      --enable-cider
+      --with-readline=no
+      --disable-openmp
+      --with-ngshared
+      --host=wasm32-unknown-emscripten
+    )
+
+    mkdir release-lib && cd release-lib
+    emconfigure ../configure "${configure_args[@]}" CFLAGS="${SIDE_MODULE_CFLAGS}"
+    emmake make -j ${PYODIDE_JOBS:-3} LDFLAGS="${SIDE_MODULE_LDFLAGS}"
+    emmake make install
+    cp ${WASM_LIBRARY_DIR}/lib/libngspice.so ${DISTDIR}
+
+about:
+  home: http://ngspice.sourceforge.net
+  license: BSD-3-Clause
+  summary: The open source spice simulator for electric and electronic circuits
+extra:
+  recipe-maintainers:
+    - pepijndevos

packages/ngspice/patches/0001-keep-alive-API-functions.patch

@@ -0,0 +1,26 @@
+From 3c02c562b98c95f120425828fef28d17657160e8 Mon Sep 17 00:00:00 2001
+From: Pepijn de Vos <[email protected]>
+Date: Tue, 6 May 2025 12:53:35 +0200
+Subject: [PATCH] keep alive API functions
+
+---
+ src/include/ngspice/sharedspice.h | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/src/include/ngspice/sharedspice.h b/src/include/ngspice/sharedspice.h
+index d38558d78..c67dd8250 100644
+--- a/src/include/ngspice/sharedspice.h
++++ b/src/include/ngspice/sharedspice.h
+@@ -144,6 +144,9 @@ extern "C" {
+   #else
+     #define IMPEXP __declspec(dllimport)
+   #endif
++#elif defined(__EMSCRIPTEN__)
++  #include <emscripten.h>
++  #define IMPEXP EMSCRIPTEN_KEEPALIVE
+ #else
+   /* use with gcc flag -fvisibility=hidden */
+   #if __GNUC__ >= 4
+-- 
+2.49.0
+

packages/ngspice/patches/0001-no-hicum2.patch

@@ -0,0 +1,58 @@
+From 90f8b79426ed5487e8ea6b4d23b6716e3d54db69 Mon Sep 17 00:00:00 2001
+From: Pepijn de Vos <[email protected]>
+Date: Tue, 6 May 2025 19:51:44 +0200
+Subject: [PATCH] no hicum2
+
+---
+ src/Makefile.am                  | 1 -
+ src/spicelib/devices/Makefile.am | 2 --
+ src/spicelib/devices/dev.c       | 1 -
+ 3 files changed, 4 deletions(-)
+
+diff --git a/src/Makefile.am b/src/Makefile.am
+index aa2a49183..2199cd562 100644
+--- a/src/Makefile.am
++++ b/src/Makefile.am
+@@ -73,7 +73,6 @@ DYNAMIC_DEVICELIBS =					\
+ 	spicelib/devices/isrc/libisrc.la		\
+ 	spicelib/devices/hfet1/libhfet.la		\
+ 	spicelib/devices/hfet2/libhfet2.la		\
+-	spicelib/devices/hicum2/libhicum2.la		\
+ 	spicelib/devices/hisim2/libhisim2.la		\
+ 	spicelib/devices/hisimhv1/libhisimhv1.la	\
+ 	spicelib/devices/hisimhv2/libhisimhv2.la	\
+diff --git a/src/spicelib/devices/Makefile.am b/src/spicelib/devices/Makefile.am
+index a97f7c26c..7bc8a23e8 100644
+--- a/src/spicelib/devices/Makefile.am
++++ b/src/spicelib/devices/Makefile.am
+@@ -27,7 +27,6 @@ SUBDIRS = \
+ 	isrc	\
+ 	hfet1	\
+ 	hfet2	\
+-	hicum2	\
+ 	hisim2	\
+ 	hisimhv1	\
+ 	hisimhv2	\
+@@ -88,7 +87,6 @@ DIST_SUBDIRS = \
+ 	isrc	\
+ 	hfet1	\
+ 	hfet2	\
+-	hicum2	\
+ 	hisim2	\
+ 	hisimhv1	\
+ 	hisimhv2	\
+diff --git a/src/spicelib/devices/dev.c b/src/spicelib/devices/dev.c
+index 2a32c3889..5a18eb68b 100644
+--- a/src/spicelib/devices/dev.c
++++ b/src/spicelib/devices/dev.c
+@@ -175,7 +175,6 @@ static SPICEdev *(*static_devices[])(void) = {
+     get_dio_info,
+     get_hfeta_info,
+     get_hfet2_info,
+-    get_hicum_info,
+     get_hsm2_info,
+     get_hsmhv_info,
+     get_hsmhv2_info,
+-- 
+2.49.0
+

packages/ply/meta.yaml

@@ -0,0 +1,16 @@
+package:
+  name: ply
+  version: "3.11"
+  top-level:
+    - ply
+source:
+  url: https://files.pythonhosted.org/packages/a3/58/35da89ee790598a0700ea49b2a66594140f44dec458c07e8e3d4979137fc/ply-3.11-py2.py3-none-any.whl
+  sha256: 096f9b8350b65ebd2fd1346b12452efe5b9607f7482813ffca50c22722a807ce
+about:
+  home: http://www.dabeaz.com/ply/
+  PyPI: https://pypi.org/project/ply
+  summary: Python Lex & Yacc
+  license: BSD
+extra:
+  recipe-maintainers:
+    - PUT_YOUR_GITHUB_USERNAME_HERE