OOP approach for arcpy: class instance

geodatabase_class_instance.py

gdb = Geodatabase(path=r"C:\ArcTutor\Editing\Zion.gdb",initialize=True)

print gdb.featureClassesFullPaths
#[u'C:\\ArcTutor\\Editing\\Zion.gdb\\Springs',
    #u'C:\\ArcTutor\\Editing\\Zion.gdb\\Tracts',
    #u'C:\\ArcTutor\\Editing\\Zion.gdb\\Trails',
    #u'C:\\ArcTutor\\Editing\\Zion.gdb\\Roads']

fcs = gdb.feature_classes_objects
print fcs
#[<__main__.FeatureClass object at 0x0C6D0A50>,
    #<__main__.FeatureClass object at 0x0C3B49F0>,
    #<__main__.FeatureClass object at 0x0C6737D0>,
    #<__main__.FeatureClass object at 0x0CBC96F0>]

print [(fc.fcPath,fc.shapeType) for fc in fcs]
#[(u'C:\\ArcTutor\\Editing\\Zion.gdb\\Springs', u'Point'),
#(u'C:\\ArcTutor\\Editing\\Zion.gdb\\Tracts', u'Polygon'),
#(u'C:\\ArcTutor\\Editing\\Zion.gdb\\Trails', u'Polyline'),
#(u'C:\\ArcTutor\\Editing\\Zion.gdb\\Roads', u'Polyline')]

print [fc.fcPath for fc in fcs if fc.shapeType == 'Polyline']
#[u'C:\\ArcTutor\\Editing\\Zion.gdb\\Trails',
#u'C:\\ArcTutor\\Editing\\Zion.gdb\\Roads',
#u'C:\\ArcTutor\\Editing\\Zion.gdb\\Streams']

springs_fc = [fc.fcFeatures for fc in fcs if fc.baseName == 'Springs'][0]
springs_feats = springs_fc.features

print springs_fc.fields
#[u'OBJECTID', u'Shape', u'ComID', u'FDate', u'Resolution', u'GNIS_ID',
#u'GNIS_Name', u'ReachCode', u'FType', u'FCode']

print springs_feats[0:3]
#[(228, (305711.4726999998, 4156967.8816), 33034429, datetime.datetime(2002, 2, 6, 0, 0), 2, None, None, None, 458, 45800),
#(229, (305315.84750000015, 4156801.4681), 33034431, datetime.datetime(2002, 2, 6, 0, 0), 2, None, None, None, 458, 45800),
#(230, (305697.4517000001, 4156837.429199999), 33034433, datetime.datetime(2002, 2, 6, 0, 0), 2, None, None, None, 458, 45800)]

print springs_fc.attribute_table[0:3]
#[{u'ComID': 33034429,
    #u'FCode': 45800,
    #u'FDate': datetime.datetime(2002, 2, 6, 0, 0),
    #u'FType': 458,
    #u'GNIS_ID': None,
    #u'OBJECTID': 228,
    #u'Resolution': 2,
    #u'Shape': (305711.4726999998, 4156967.8816)},
    #{u'ComID': 33034431,
    #u'FCode': 45800,
    #u'FDate': datetime.datetime(2002, 2, 6, 0, 0),
    #u'FType': 458,
    #u'GNIS_ID': None,
    #u'OBJECTID': 229,
    #u'Resolution': 2,
    #u'Shape': (305315.84750000015, 4156801.4681)},
    #{u'ComID': 33034433,
    #u'FCode': 45800,
    #u'FDate': datetime.datetime(2002, 2, 6, 0, 0),
    #u'FType': 458,
    #u'GNIS_ID': None,
    #u'OBJECTID': 230,
    #u'Resolution': 2,
    #u'Shape': (305697.4517000001, 4156837.429199999)}]