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Python 3 bugfixes

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This commit is contained in:
Luke Campagnola 2013-09-10 00:31:43 -04:00
commit 881589468d
14 changed files with 38 additions and 27 deletions
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1
README.txt
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@ -13,6 +13,7 @@ Contributors:
Michael Cristopher Hogg
Ulrich Leutner
Felix Schill
Guillaume Poulin
Requirements:
PyQt 4.7+ or PySide

13
examples/__main__.py
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@ -1,13 +1,12 @@
import sys, os, subprocess, time
try:
from . import initExample
except ValueError:
#__package__ = os.path.split(os.path.dirname(__file__))[-1]
sys.excepthook(*sys.exc_info())
print("examples/ can not be executed as a script; please run 'python -m examples' instead.")
sys.exit(1)
if __name__ == "__main__" and (__package__ is None or __package__==''):
parent_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
sys.path.insert(0, parent_dir)
import examples
__package__ = "examples"
from . import initExample
from pyqtgraph.Qt import QtCore, QtGui, USE_PYSIDE
if USE_PYSIDE:

2
pyqtgraph/Point.py
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@ -152,4 +152,4 @@ class Point(QtCore.QPointF):
return Point(self)
def toQPoint(self):
return QtCore.QPoint(*self)
return QtCore.QPoint(*self)

2
pyqtgraph/__init__.py
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@ -316,7 +316,7 @@ def dbg():
Create a console window and begin watching for exceptions.
"""
mkQApp()
import console
from . import console
c = console.ConsoleWidget()
c.catchAllExceptions()
c.show()

7
pyqtgraph/functions.py
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@ -5,6 +5,7 @@ Copyright 2010 Luke Campagnola
Distributed under MIT/X11 license. See license.txt for more infomation.
"""
from __future__ import division
from .python2_3 import asUnicode
Colors = {
'b': (0,0,255,255),
@ -1863,9 +1864,9 @@ def isosurface(data, level):
for i in [0,1,2]:
vim = vertexInds[:,3] == i
vi = vertexInds[vim, :3]
viFlat = (vi * (np.array(data.strides[:3]) / data.itemsize)[np.newaxis,:]).sum(axis=1)
viFlat = (vi * (np.array(data.strides[:3]) // data.itemsize)[np.newaxis,:]).sum(axis=1)
v1 = dataFlat[viFlat]
v2 = dataFlat[viFlat + data.strides[i]/data.itemsize]
v2 = dataFlat[viFlat + data.strides[i]//data.itemsize]
vertexes[vim,i] += (level-v1) / (v2-v1)
### compute the set of vertex indexes for each face.
@ -1891,7 +1892,7 @@ def isosurface(data, level):
#p = debug.Profiler('isosurface', disabled=False)
## this helps speed up an indexing operation later on
cs = np.array(cutEdges.strides)/cutEdges.itemsize
cs = np.array(cutEdges.strides)//cutEdges.itemsize
cutEdges = cutEdges.flatten()
## this, strangely, does not seem to help.

4
pyqtgraph/multiprocess/remoteproxy.py
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@ -1014,6 +1014,10 @@ class ObjectProxy(object):
def __rmod__(self, *args):
return self._getSpecialAttr('__rmod__')(*args)
def __hash__(self):
## Required for python3 since __eq__ is defined.
return id(self)
class DeferredObjectProxy(ObjectProxy):
"""
This class represents an attribute (or sub-attribute) of a proxied object.

2
pyqtgraph/opengl/GLViewWidget.py
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@ -185,7 +185,7 @@ class GLViewWidget(QtOpenGL.QGLWidget):
ver = glGetString(GL_VERSION)
if ver is not None:
ver = ver.split()[0]
if int(ver.split('.')[0]) < 2:
if int(ver.split(b'.')[0]) < 2:
print(msg + " The original exception is printed above; however, pyqtgraph requires OpenGL version 2.0 or greater for many of its 3D features and your OpenGL version is %s. Installing updated display drivers may resolve this issue." % ver)
else:
print(msg)

4
pyqtgraph/opengl/__init__.py
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@ -23,8 +23,8 @@ from pyqtgraph import importAll
importAll('items', globals(), locals())
\
from MeshData import MeshData
from .MeshData import MeshData
## for backward compatibility:
#MeshData.MeshData = MeshData ## breaks autodoc.
import shaders
from . import shaders

2
pyqtgraph/opengl/items/GLLinePlotItem.py
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@ -93,7 +93,7 @@ class GLLinePlotItem(GLGraphicsItem):
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
glDrawArrays(GL_LINE_STRIP, 0, self.pos.size / self.pos.shape[-1])
glDrawArrays(GL_LINE_STRIP, 0, int(self.pos.size / self.pos.shape[-1]))
finally:
glDisableClientState(GL_COLOR_ARRAY)
glDisableClientState(GL_VERTEX_ARRAY)

2
pyqtgraph/opengl/items/GLScatterPlotItem.py
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@ -146,7 +146,7 @@ class GLScatterPlotItem(GLGraphicsItem):
else:
glNormal3f(self.size, 0, 0) ## vertex shader uses norm.x to determine point size
#glPointSize(self.size)
glDrawArrays(GL_POINTS, 0, pos.size / pos.shape[-1])
glDrawArrays(GL_POINTS, 0, int(pos.size / pos.shape[-1]))
finally:
glDisableClientState(GL_NORMAL_ARRAY)
glDisableClientState(GL_VERTEX_ARRAY)

4
pyqtgraph/opengl/items/GLSurfacePlotItem.py
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@ -1,5 +1,5 @@
from OpenGL.GL import *
from GLMeshItem import GLMeshItem
from .GLMeshItem import GLMeshItem
from .. MeshData import MeshData
from pyqtgraph.Qt import QtGui
import pyqtgraph as pg
@ -136,4 +136,4 @@ class GLSurfacePlotItem(GLMeshItem):
start = row * cols * 2
faces[start:start+cols] = rowtemplate1 + row * (cols+1)
faces[start+cols:start+(cols*2)] = rowtemplate2 + row * (cols+1)
self._faces = faces
self._faces = faces

18
pyqtgraph/opengl/shaders.py
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@ -1,4 +1,7 @@
import OpenGL
try:
from OpenGL import NullFunctionError
except ImportError:
from OpenGL.error import NullFunctionError
from OpenGL.GL import *
from OpenGL.GL import shaders
import re
@ -219,17 +222,20 @@ class Shader(object):
if self.compiled is None:
try:
self.compiled = shaders.compileShader(self.code, self.shaderType)
except OpenGL.NullFunctionError:
raise Exception("This OpenGL implementation does not support shader programs; many features on pyqtgraph will not work.")
except NullFunctionError:
raise Exception("This OpenGL implementation does not support shader programs; many OpenGL features in pyqtgraph will not work.")
except RuntimeError as exc:
## Format compile errors a bit more nicely
if len(exc.args) == 3:
err, code, typ = exc.args
if not err.startswith('Shader compile failure'):
raise
code = code[0].split('\n')
code = code[0].decode('utf_8').split('\n')
err, c, msgs = err.partition(':')
err = err + '\n'
msgs = re.sub('b\'','',msgs)
msgs = re.sub('\'$','',msgs)
msgs = re.sub('\\\\n','\n',msgs)
msgs = msgs.split('\n')
errNums = [()] * len(code)
for i, msg in enumerate(msgs):
@ -357,7 +363,7 @@ class ShaderProgram(object):
def uniform(self, name):
"""Return the location integer for a uniform variable in this program"""
return glGetUniformLocation(self.program(), name)
return glGetUniformLocation(self.program(), name.encode('utf_8'))
#def uniformBlockInfo(self, blockName):
#blockIndex = glGetUniformBlockIndex(self.program(), blockName)
@ -393,4 +399,4 @@ class HeightColorShader(ShaderProgram):
## bind buffer to the same binding point
glBindBufferBase(GL_UNIFORM_BUFFER, bindPoint, buf)
initShaders()
initShaders()

2
pyqtgraph/widgets/RawImageWidget.py
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@ -1,6 +1,7 @@
from pyqtgraph.Qt import QtCore, QtGui
try:
from pyqtgraph.Qt import QtOpenGL
from OpenGL.GL import *
HAVE_OPENGL = True
except ImportError:
HAVE_OPENGL = False
@ -59,7 +60,6 @@ class RawImageWidget(QtGui.QWidget):
p.end()
if HAVE_OPENGL:
from OpenGL.GL import *
class RawImageGLWidget(QtOpenGL.QGLWidget):
"""
Similar to RawImageWidget, but uses a GL widget to do all drawing.

2
pyqtgraph/widgets/RemoteGraphicsView.py
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@ -128,7 +128,7 @@ class Renderer(GraphicsView):
self.shm = mmap.mmap(-1, mmap.PAGESIZE, self.shmtag) # use anonymous mmap on windows
else:
self.shmFile = tempfile.NamedTemporaryFile(prefix='pyqtgraph_shmem_')
self.shmFile.write('\x00' * mmap.PAGESIZE)
self.shmFile.write(b'\x00' * (mmap.PAGESIZE+1))
fd = self.shmFile.fileno()
self.shm = mmap.mmap(fd, mmap.PAGESIZE, mmap.MAP_SHARED, mmap.PROT_WRITE)
atexit.register(self.close)