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[processing] fixed attribute types in memory layers

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fixes #12894
This commit is contained in:
volaya 2015-06-23 14:14:09 +02:00
parent 0bbc11b3f8
commit 38a247f26c
1 changed files with 11 additions and 9 deletions
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20
python/plugins/processing/tools/vector.py
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@ -52,6 +52,11 @@ TYPE_MAP = {
bool: QVariant.Bool
}
TYPE_MAP_MEMORY_LAYER = {
QVariant.String: "string",
QVariant.Double: "double",
QVariant.Int: "integer"
}
def features(layer):
"""This returns an iterator over features in a vector layer,
@ -369,12 +374,6 @@ def checkMinDistance(point, index, distance, points):
return True
def _fieldName(f):
if isinstance(f, basestring):
return f
return f.name()
def _toQgsField(f):
if isinstance(f, QgsField):
return f
@ -402,10 +401,13 @@ class VectorWriter:
uri = GEOM_TYPE_MAP[geometryType] + "?uuid=" + str(uuid.uuid4())
if crs.isValid():
uri += '&crs=' + crs.authid()
fieldsdesc = ['field=' + _fieldName(f) for f in fields]
fieldsdesc = []
for f in fields:
qgsfield = _toQgsField(f)
fieldsdesc.append('field=%s:%s' %(qgsfield.name(),
TYPE_MAP_MEMORY_LAYER.get(qgsfield.type(), "string")))
if fieldsdesc:
uri += '&' + '&'.join(fieldsdesc)
uri += '&' + '&'.join(fieldsdesc)
self.memLayer = QgsVectorLayer(uri, self.fileName, 'memory')
self.writer = self.memLayer.dataProvider()