/usr/lib/python2.7/dist-packages/pyqtgraph/widgets/DataTreeWidget.py is in python-pyqtgraph 0.9.10-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | # -*- coding: utf-8 -*-
from ..Qt import QtGui, QtCore
from ..pgcollections import OrderedDict
import types, traceback
import numpy as np
try:
import metaarray
HAVE_METAARRAY = True
except:
HAVE_METAARRAY = False
__all__ = ['DataTreeWidget']
class DataTreeWidget(QtGui.QTreeWidget):
"""
Widget for displaying hierarchical python data structures
(eg, nested dicts, lists, and arrays)
"""
def __init__(self, parent=None, data=None):
QtGui.QTreeWidget.__init__(self, parent)
self.setVerticalScrollMode(self.ScrollPerPixel)
self.setData(data)
self.setColumnCount(3)
self.setHeaderLabels(['key / index', 'type', 'value'])
def setData(self, data, hideRoot=False):
"""data should be a dictionary."""
self.clear()
self.buildTree(data, self.invisibleRootItem(), hideRoot=hideRoot)
#node = self.mkNode('', data)
#while node.childCount() > 0:
#c = node.child(0)
#node.removeChild(c)
#self.invisibleRootItem().addChild(c)
self.expandToDepth(3)
self.resizeColumnToContents(0)
def buildTree(self, data, parent, name='', hideRoot=False):
if hideRoot:
node = parent
else:
typeStr = type(data).__name__
if typeStr == 'instance':
typeStr += ": " + data.__class__.__name__
node = QtGui.QTreeWidgetItem([name, typeStr, ""])
parent.addChild(node)
if isinstance(data, types.TracebackType): ## convert traceback to a list of strings
data = list(map(str.strip, traceback.format_list(traceback.extract_tb(data))))
elif HAVE_METAARRAY and (hasattr(data, 'implements') and data.implements('MetaArray')):
data = {
'data': data.view(np.ndarray),
'meta': data.infoCopy()
}
if isinstance(data, dict):
for k in data.keys():
self.buildTree(data[k], node, str(k))
elif isinstance(data, list) or isinstance(data, tuple):
for i in range(len(data)):
self.buildTree(data[i], node, str(i))
else:
node.setText(2, str(data))
#def mkNode(self, name, v):
#if type(v) is list and len(v) > 0 and isinstance(v[0], dict):
#inds = map(unicode, range(len(v)))
#v = OrderedDict(zip(inds, v))
#if isinstance(v, dict):
##print "\nadd tree", k, v
#node = QtGui.QTreeWidgetItem([name])
#for k in v:
#newNode = self.mkNode(k, v[k])
#node.addChild(newNode)
#else:
##print "\nadd value", k, str(v)
#node = QtGui.QTreeWidgetItem([unicode(name), unicode(v)])
#return node
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