improvement : exceptions with error description message#11

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improvement : exceptions with error description message #11

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3 changes: 1 addition & 2 deletions README.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down
29 changes: 29 additions & 0 deletions gco_exception_handler.cpp
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Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
\brief this function translates graph cut exceptions into python exceptions.

It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
try
{
throw;
}
catch (GCException& e)
{
PyErr_SetString(gcerror, e.message);
}
catch (const std::exception& e)
{
PyErr_SetString(PyExc_RuntimeError, e.what() );
}
}
1 change: 1 addition & 0 deletions gco_exception_handler.hpp
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();
45 changes: 30 additions & 15 deletions gco_python.pyx
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception.
from python_object cimport PyObject
class GCError(RuntimeError):
"""
This class represents a graph cut error (exception)
"""
pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
cdef cppclass GCoptimizationGridGraph:
GCoptimizationGridGraph(int width, int height, int n_labels) except +
void setDataCost(int *) except +
void setSmoothCost(int *) except +
void expansion(int n_iterations) except +
void swap(int n_iterations) except +
void setSmoothCostVH(int* pairwise, int* V, int* H) except +
int whatLabel(int node) except +
GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
void setDataCost(int *) except +handle_gco_exception
void setSmoothCost(int *) except +handle_gco_exception
void expansion(int n_iterations) except +handle_gco_exception
void swap(int n_iterations) except +handle_gco_exception
void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
int whatLabel(int node) except +handle_gco_exception

cdef cppclass GCoptimizationGeneralGraph:
GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
void setDataCost(int *) except +
void setSmoothCost(int *) except +
void setNeighbors(int, int) except +
void setNeighbors(int, int, int) except +
void expansion(int n_iterations) except +
void swap(int n_iterations) except +
int whatLabel(int node) except +
GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
void setDataCost(int *) except +handle_gco_exception
void setSmoothCost(int *) except +handle_gco_exception
void setNeighbors(int, int) except +handle_gco_exception
void setNeighbors(int, int, int) except +handle_gco_exception
void expansion(int n_iterations) except +handle_gco_exception
void swap(int n_iterations) except +handle_gco_exception
int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down
1 change: 1 addition & 0 deletions setup.py
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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improvement : exceptions with error description message#11

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#11
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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

1 change: 1 addition & 0 deletions
gco_exception_handler.hpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down

1 change: 1 addition & 0 deletions
setup.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down

, '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('^' + ".*" + '

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improvement : exceptions with error description message#11

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improvement : exceptions with error description message
#11
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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

1 change: 1 addition & 0 deletions
gco_exception_handler.hpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down

1 change: 1 addition & 0 deletions
setup.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down

, '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('^' + ".*" + '

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improvement : exceptions with error description message#11

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commit into

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improvement : exceptions with error description message
#11
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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

1 change: 1 addition & 0 deletions
gco_exception_handler.hpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down

1 change: 1 addition & 0 deletions
setup.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down

, '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" + '

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improvement : exceptions with error description message#11

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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

1 change: 1 addition & 0 deletions
gco_exception_handler.hpp

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Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down

1 change: 1 addition & 0 deletions
setup.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down

, '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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improvement : exceptions with error description message#11

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#11
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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

1 change: 1 addition & 0 deletions
gco_exception_handler.hpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down

1 change: 1 addition & 0 deletions
setup.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down

, '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('^' + ".*" + '

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improvement : exceptions with error description message#11

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improvement : exceptions with error description message
#11
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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

1 change: 1 addition & 0 deletions
gco_exception_handler.hpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1 @@
void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -1,27 +1,42 @@
import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
Expand Down

1 change: 1 addition & 0 deletions
setup.py

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -10,6 +10,7 @@
 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
Expand Down

, '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); }
})();
})();

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improvement : exceptions with error description message#11

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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improvement : exceptions with error description message
#11
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3 changes: 1 addition & 2 deletions
README.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -51,8 +51,7 @@ Note that from a probabilistic viewpoint, GCO works in log-space.
Note that all input arrays are assumed to be in int32.
This means that float potentials must be rounded!

These algorithms can only deal with certain energies. Unfortunately
I have not figured out yet how to convert C++ errors to Python. If an unknown
These algorithms can only deal with certain energies. If an 
error is raised, it probably means that you used an invalid energy function.
Look at the gco README for details.

Expand Down

29 changes: 29 additions & 0 deletions
gco_exception_handler.cpp

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,29 @@
#include "Python.h"
#include "GCoptimization.h"
#include <exception>
#include <string>

using namespace std;

extern PyObject *gcerror; // a python exception object that represents the graph cut exception in python

/**
	\brief	this function translates graph cut exceptions into python exceptions.

	It uses the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython
*/
void handle_gco_exception()
{
	try
	{
 throw;
	}
	catch (GCException& e)
	{
 PyErr_SetString(gcerror, e.message);
	}
	catch (const std::exception& e)
	{
 PyErr_SetString(PyExc_RuntimeError, e.what() );
	}
}

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gco_exception_handler.hpp

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void handle_gco_exception();

45 changes: 30 additions & 15 deletions
gco_python.pyx

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import numpy as np
cimport numpy as np


np.import_array()

# we use the mechanism described in http://stackoverflow.com/questions/10684983/handling-custom-c-exceptions-in-cython to translate graph-cut c++ exceptions into python exceptions that will allow the user to see the message detailing the graph cut exception. 
from python_object cimport PyObject
class GCError(RuntimeError):
	"""
	This class represents a graph cut error (exception)
	"""
	pass

# make the GCError class accessible to c++, so that the c++ function handle_gco_exception can use it
cdef public PyObject* gcerror = <PyObject*>GCError

cdef extern from "gco_exception_handler.hpp":
	cdef void handle_gco_exception()

cdef extern from "GCoptimization.h":
 cdef cppclass GCoptimizationGridGraph:
 GCoptimizationGridGraph(int width, int height, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +
 int whatLabel(int node) except +
 GCoptimizationGridGraph(int width, int height, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 void setSmoothCostVH(int* pairwise, int* V, int* H) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception

 cdef cppclass GCoptimizationGeneralGraph:
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +
 void setDataCost(int *) except +
 void setSmoothCost(int *) except +
 void setNeighbors(int, int) except +
 void setNeighbors(int, int, int) except +
 void expansion(int n_iterations) except +
 void swap(int n_iterations) except +
 int whatLabel(int node) except +
 GCoptimizationGeneralGraph(int n_vertices, int n_labels) except +handle_gco_exception
 void setDataCost(int *) except +handle_gco_exception
 void setSmoothCost(int *) except +handle_gco_exception
 void setNeighbors(int, int) except +handle_gco_exception
 void setNeighbors(int, int, int) except +handle_gco_exception
 void expansion(int n_iterations) except +handle_gco_exception
 void swap(int n_iterations) except +handle_gco_exception
 int whatLabel(int node) except +handle_gco_exception


def cut_simple(np.ndarray[np.int32_t, ndim=3, mode='c'] unary_cost,
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setup.py

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 'maxflow.cpp']

files = [os.path.join(gco_directory, f) for f in files]
files.insert(0, "gco_exception_handler.cpp")
files.insert(0, "gco_python.pyx")

setup(cmdclass={'build_ext': build_ext},
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