ShellDB/get_attribute_names.txt at master · lemgandi/ShellDB · GitHub

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foo=qgis.utils.iface.mapCanvas()
>>> type(foo)
<class 'qgis.gui.QgsMapCanvas'>

baf=foo.layers()
>>> print baf[0]
<qgis.core.QgsVectorLayer object at 0x30a4380>
>>> print baf[0].pendingFields();
{0: <qgis.core.QgsField object at 0x30a41e8>, 1: <qgis.core.QgsField object at 0x30a4408>, 2: <qgis.core.QgsField object at 0x30a4490>, 3: <qgis.core.QgsField object at 0x30a4518>, 4: <qgis.core.QgsField object at 0x30a45a0>, 5: <qgis.core.QgsField object at 0x30a4628>}
>>> print baf[0].pendingFields()[2].name()
PERIMETER
>>> print baf[0].pendingFields().values()
[<qgis.core.QgsField object at 0x30a41e8>, <qgis.core.QgsField object at 0x30a4518>, <qgis.core.QgsField object at 0x30a4408>, <qgis.core.QgsField object at 0x30a4490>, <qgis.core.QgsField object at 0x30a45a0>, <qgis.core.QgsField object at 0x30a4628>]
>>> for kk in baf[0].pendingFields().values():
...    print kk.name()
...
gid
AREA
PERIMETER
ESTATE_
ESTATE_ID
ESTATE
>>>