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How to retrieve the data source of the active layer?

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I am trying to get the data source of the layer in the Python action within the layer property. My code in the Python action is:

layer = iface.activeLayer()

QMessageBox.information(None, "parDir: ", layer.source())

When I run the action, the script returned the following error:

An error occurred during execution of following code:

layer = iface.activeLayer() 

QMessageBox.information(None, "parDir: ", layer.source())

If I run the same script in the Python console, it has no problem returning the name of the data source.

Does anybody know why the script failed if I run it as Python action?

pyqgis-3

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edited 40 mins ago

Vince

14.8k32849

asked 43 mins ago

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0

I am trying to get the data source of the layer in the Python action within the layer property. My code in the Python action is:

layer = iface.activeLayer()

QMessageBox.information(None, "parDir: ", layer.source())

When I run the action, the script returned the following error:

An error occurred during execution of following code:

layer = iface.activeLayer() 

QMessageBox.information(None, "parDir: ", layer.source())

If I run the same script in the Python console, it has no problem returning the name of the data source.

Does anybody know why the script failed if I run it as Python action?

pyqgis-3

share|improve this question

edited 40 mins ago

Vince

14.8k32849

asked 43 mins ago

PFTPFT

1

New contributor

PFT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

add a comment | 

I am trying to get the data source of the layer in the Python action within the layer property. My code in the Python action is:

layer = iface.activeLayer()

QMessageBox.information(None, "parDir: ", layer.source())

When I run the action, the script returned the following error:

An error occurred during execution of following code:

layer = iface.activeLayer() 

QMessageBox.information(None, "parDir: ", layer.source())

If I run the same script in the Python console, it has no problem returning the name of the data source.

Does anybody know why the script failed if I run it as Python action?

pyqgis-3

share|improve this question

edited 40 mins ago

Vince

14.8k32849

asked 43 mins ago

PFTPFT

1

New contributor

PFT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

layer = iface.activeLayer()

QMessageBox.information(None, "parDir: ", layer.source())

An error occurred during execution of following code:

layer = iface.activeLayer() 

QMessageBox.information(None, "parDir: ", layer.source())

share|improve this question

edited 40 mins ago

Vince

14.8k32849

asked 43 mins ago

PFTPFT

1

New contributor

PFT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

share|improve this question

edited 40 mins ago

Vince

14.8k32849

asked 43 mins ago

PFTPFT

1

New contributor

PFT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

edited 40 mins ago

Vince

14.8k32849

edited 40 mins ago

Vince

14.8k32849

asked 43 mins ago

PFTPFT

1

New contributor

PFT is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

asked 43 mins ago

PFTPFT

1