141 lines
4.1 KiB
Python
141 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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### import all the goodies and add some helper functions for easy CLI use
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## 'Qt' is a local module; it is intended mainly to cover up the differences
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## between PyQt4 and PySide.
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from Qt import QtGui
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## not really safe.
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#if QtGui.QApplication.instance() is None:
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#app = QtGui.QApplication([])
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CONFIG_OPTIONS = {
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'leftButtonPan': True ## if false, left button drags a rubber band for zooming in viewbox
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}
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def setConfigOption(opt, value):
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CONFIG_OPTIONS[opt] = value
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def getConfigOption(opt):
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return CONFIG_OPTIONS[opt]
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## Rename orphaned .pyc files. This is *probably* safe :)
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def renamePyc(startDir):
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### Used to rename orphaned .pyc files
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### When a python file changes its location in the repository, usually the .pyc file
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### is left behind, possibly causing mysterious and difficult to track bugs.
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printed = False
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startDir = os.path.abspath(startDir)
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for path, dirs, files in os.walk(startDir):
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for f in files:
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fileName = os.path.join(path, f)
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base, ext = os.path.splitext(fileName)
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py = base + ".py"
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if ext == '.pyc' and not os.path.isfile(py):
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if not printed:
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print "NOTE: Renaming orphaned .pyc files:"
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printed = True
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n = 1
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while True:
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name2 = fileName + ".renamed%d" % n
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if not os.path.exists(name2):
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break
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n += 1
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print " " + fileName + " ==>"
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print " " + name2
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os.rename(fileName, name2)
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import os
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path = os.path.split(__file__)[0]
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renamePyc(path)
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## Import almost everything to make it available from a single namespace
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## don't import the more complex systems--canvas, parametertree, flowchart, dockarea
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## these must be imported separately.
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def importAll(path):
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d = os.path.join(os.path.split(__file__)[0], path)
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files = []
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for f in os.listdir(d):
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if os.path.isdir(os.path.join(d, f)):
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files.append(f)
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elif f[-3:] == '.py' and f != '__init__.py':
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files.append(f[:-3])
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for modName in files:
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mod = __import__(path+"."+modName, globals(), locals(), fromlist=['*'])
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if hasattr(mod, '__all__'):
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names = mod.__all__
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else:
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names = [n for n in dir(mod) if n[0] != '_']
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for k in names:
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if hasattr(mod, k):
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globals()[k] = getattr(mod, k)
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importAll('graphicsItems')
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importAll('widgets')
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from imageview import *
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from WidgetGroup import *
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from Point import Point
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from Transform import Transform
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from functions import *
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from graphicsWindows import *
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from SignalProxy import *
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## Convenience functions for command-line use
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plots = []
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images = []
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QAPP = None
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def plot(*args, **kargs):
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"""
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| Create and return a PlotWindow (this is just a window with PlotWidget inside), plot data in it.
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| Accepts a *title* argument to set the title of the window.
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| All other arguments are used to plot data. (see :func:`PlotItem.plot() <pyqtgraph.PlotItem.plot>`)
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"""
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mkQApp()
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#if 'title' in kargs:
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#w = PlotWindow(title=kargs['title'])
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#del kargs['title']
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#else:
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#w = PlotWindow()
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#if len(args)+len(kargs) > 0:
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#w.plot(*args, **kargs)
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w = PlotWindow(*args, **kargs)
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plots.append(w)
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w.show()
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return w
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def image(*args, **kargs):
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"""
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| Create and return an ImageWindow (this is just a window with ImageView widget inside), show image data inside.
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| Will show 2D or 3D image data.
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| Accepts a *title* argument to set the title of the window.
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| All other arguments are used to show data. (see :func:`ImageView.setImage() <pyqtgraph.ImageView.setImage>`)
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"""
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mkQApp()
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w = ImageWindow(*args, **kargs)
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images.append(w)
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w.show()
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return w
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show = image ## for backward compatibility
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def mkQApp():
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if QtGui.QApplication.instance() is None:
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global QAPP
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QAPP = QtGui.QApplication([])
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