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gnucap-python

This package contains a python plugin for the circuit simulator Gnucap which allows the user to implement commands or components (or anything) in Python, and run the simulator in a python environment, e.g. for postprocessing or plotting purposes.

The package also provides a command for Gnucap that loads Python modules, such as Python modules implementing custom commands or components (or anything). See examples.

Your support is gratefully received.

donate

Requirements

requirements are:

  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)

Installation

Build python plugin for gnucap

::

$ ./bootstrap $ ./configure # pass PYTHON=some_other_python, to select # pass SWIG=/path/to/some/swig3.0, if needed $ make $ make check # runs tests $ make install # optional. may require root privileges

will install the python module "gnucap" and a gnucap plugin "python".

no Installation

after

::

$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.

::

$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples

From gnucap

This seems outdated. See examples/README

::

$ gnucap -a python.so gnucap> python example/loadplot.py <= this file is missing, but still. gnucap> get example/eq2-145.ckt gnucap> store ac vm(2) gnucap> ac oct 10 1k 100k gnucap> myplot vm(2)

First, the Python plugin is loaded. The second line loads a new command called "myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted using the new plotting command.

From Python

Do the same directly from Python

::

$ python

import gnucap [..] welcome to gnucap-python gnucap.stuff

stuff is not documented much, but closely resembles the libgnucap interface. Exceptions are additional Pythonicity, and some usability hacks. see examples for some applications

Caveats

  • Sometimes tests fail because of stream buffer races. don't know how to synchronize Python output with library output. Check manually...

  • For debugging Python extensions with valgrind, you should set PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses valgrind.

  • Python interface functions ending with _ are "under construction". These may be replaced or superseded by a more Pythonic approach later on.

  • Generally you are advised to use gnucap packages from your distribution. If Gnucap is installed manually and with a custom prefix, you might have to pass

    LDFLAGS=-L$prefix/lib to configure. also export LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.

    *** on some systems /usr/local is considered "custom", on others a dirty cache interferes with the linker. YMMV, tell me your workarounds ***

  • the clone hack. currently, the clone override needs to keep a local reference to the returned python object. it boils down to an incompleteness in swig. generated code looks like

    c_result = reinterpret_cast< CARD * >(swig_argp); swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */); return (CARD *) c_result;

    maybe a future swig will allow a better approach. NB: the clone override is now optional, and a default is taking care of this.

  • python sometimes generates .pyc files containing cached bytecode in random places. these may lead to weird error messages, if they are outdated. delete them.

About

mirroring https://codeberg.org/gnucap/gnucap-python/

codeberg.org/gnucap/gnucap-python/

Topics

gnucappythonswig

Resources

Readme
GPL-3.0 license
Activity
Custom properties

Stars

1 star

Watchers

2 watching

Forks

0 forks
Report repository

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
Repository files navigation
gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
Activity
Custom properties
Stars
1 star
Watchers
2 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
Activity
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Stars
1 star
Watchers
2 watching
Forks
0 forks
Report repository
Contributors
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
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gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
Activity
Custom properties
Stars
1 star
Watchers
2 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
Activity
Custom properties
Stars
1 star
Watchers
2 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
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1 star
Watchers
2 watching
Forks
0 forks
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
Activity
Custom properties
Stars
1 star
Watchers
2 watching
Forks
0 forks
Report repository
Contributors
Languages

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
BranchesTags
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gnucap-python
This package contains a python plugin for the circuit simulator Gnucap which
allows the user to implement commands or components (or anything) in Python,
and run the simulator in a python environment, e.g. for postprocessing or
plotting purposes.
The package also provides a command for Gnucap that loads Python modules, such
as Python modules implementing custom commands or components (or anything).
See examples.
Your support is gratefully received.
donate
Requirements
requirements are:
  • gnucap >= oct '17
  • Python >= 3.6
  • Swig >= 3.0.0 (tested with 3.0.12, 4.0.1)
  • Numpy (with development headers/libraries)
  • c++11 compiler (known issue with gcc 9, param.py)
Installation
Build python plugin for gnucap
::
$ ./bootstrap
$ ./configure # pass PYTHON=some_other_python, to select
# pass SWIG=/path/to/some/swig3.0, if needed
$ make
$ make check # runs tests
$ make install # optional. may require root privileges
will install the python module "gnucap" and a gnucap plugin "python".
no Installation
after
::
$ make
$ export PYTHONPATH=.

it should be possible to "import gnucap" from a python interpreter, e.g.
::
$ python3 -c "import gnucap"
$ python3 some/test_or_example.py

Examples
From gnucap
This seems outdated. See examples/README
::
$ gnucap -a python.so
gnucap> python example/loadplot.py <= this file is missing, but still.
gnucap> get example/eq2-145.ckt
gnucap> store ac vm(2)
gnucap> ac oct 10 1k 100k
gnucap> myplot vm(2)
First, the Python plugin is loaded. The second line loads a new command called
"myplot" that plots a stored waveform using matplotlib. Line 3-5 loads a
circuit and runs an ac analysis. Finally the ac magnitude of node 2 is plotted
using the new plotting command.
From Python
Do the same directly from Python
::
$ python
import gnucap
[..]
welcome to gnucap-python
gnucap.stuff
stuff is not documented much, but closely resembles the libgnucap interface.
Exceptions are additional Pythonicity, and some usability hacks. see examples
for some applications
Caveats
  • Sometimes tests fail because of stream buffer races. don't know how to
synchronize Python output with library output. Check manually...
  • For debugging Python extensions with valgrind, you should set
PYTHONMALLOC=malloc. The built-in default allocator, pymalloc, confuses
valgrind.
  • Python interface functions ending with _ are "under construction". These
may be replaced or superseded by a more Pythonic approach later on.
  • Generally you are advised to use gnucap packages from your distribution.
If Gnucap is installed manually and with a custom prefix, you might have to pass
    LDFLAGS=-L$prefix/lib to configure. also export
LD_LIBRARY_PATH=$prefix/lib before you run gnucap-python.
    *** on some systems /usr/local is considered "custom", on others a dirty cache
interferes with the linker. YMMV, tell me your workarounds ***
  • the clone hack. currently, the clone override needs to keep a local
reference to the returned python object. it boils down to an incompleteness
in swig. generated code looks like
    c_result = reinterpret_cast< CARD * >(swig_argp);
swig_acquire_ownership_obj(SWIG_as_voidptr(c_result), own /* & TODO: SWIG_POINTER_OWN */);
return (CARD *) c_result;
    maybe a future swig will allow a better approach. NB: the clone override is
now optional, and a default is taking care of this.
  • python sometimes generates .pyc files containing cached bytecode in random
places. these may lead to weird error messages, if they are outdated. delete
them.
About
mirroring https://codeberg.org/gnucap/gnucap-python/
codeberg.org/gnucap/gnucap-python/
Topics
gnucappythonswig
Resources
Readme
GPL-3.0 license
Activity
Custom properties
Stars
1 star
Watchers
2 watching
Forks
0 forks
Report repository
Contributors
Languages