Steps to reproduce

1. First - Create Autofield Timestamp
2. Second - new point
3. Third - save Layer and Error

Traceback (most recent call last):
  File "C:/Users/USER/.qgis2/python/plugins\AutoFields\EventManager.py", line 185, in providerExpressionBasedUpdate
    self.expressionBasedUpdate( layer, dictProperties, feature.id() )
  File "C:/Users/USER/.qgis2/python/plugins\AutoFields\EventManager.py", line 244, in expressionBasedUpdate
    feature = layer.getFeatures( QgsFeatureRequest( featureId ) ).next()
StopIteration

AutoFields 0.5.1, QGIS 2.14.20-Essen on Windows 10

It seems that Python version is changed and maybe qgis import methods too therefore some updating is needed in AutoFields code

I was able to fix line #165 in AutoFields.py to Python 3.7 syntax
except ValueError as e:

but a new error which I am not able to fix popped up:
ModuleNotFoundError: No module named 'AutoFields-0'
Traceback (most recent call last):
File "C:/OSGEO41/apps/qgis-ltr/./python\qgis\utils.py", line 312, in loadPlugin
import(packageName)
File "C:/OSGEO41/apps/qgis-ltr/./python\qgis\utils.py", line 744, in _import
mod = _builtin_import(name, globals, locals, fromlist, level)
ModuleNotFoundError: No module named 'AutoFields-0'

I was wondering if it would be possible to save the definitions to a separate file so that it would persist across QGIS installs. For example, I use QGIS on both a desktop and a Laptop, with the project and layer files synched through Dropbox. The only thing that doesn't follow cleanly is the AutoFields, which I have to update on both machines whenever I make a change to an AutoField. Saving them to a file and loading them on QGIS start would solve that issue. It would also be much easier to backup and restore. Choosing the file location would be great, but saving to the same folder as the project file would also work.

Hi German,

I have succesfully installed Autofields and the GUI is working perfectly well. However, when I try to use your code example in QGIS python console:

def getAutoFieldsManager():
    if not utils.isPluginLoaded('AutoFields'):
        if 'AutoFields' in utils.available_plugins:
            utils.loadPlugin('AutoFields')
            utils.startPlugin('AutoFields')
            af = utils.plugins['AutoFields']
            return af.autoFieldManager
        else:
            print "It seems AutoFields plugin is not installed. Could you please check it?"
            return None

Then

utils.startPlugin('AutoFields')

returns "False". And when I call

afm = getAutoFieldsManager()

afm is "None".

Any ideas on what could be wrong with utils.startPlugin('AutoFields') and "Autofields"?

Thanks a lot

Cheers

Hi,
Is it possible to update the plugin to QGIS 3.x ?

1. Trying to install a plugin through the QGIS interface
2. The plugin is downloaded but an error message appears at the validation stage: "python said: ascii"
   https://1drv.ms/u/s!Alk-hpLFKlPIgecgn1s7sEqgxPj_BA
   Windows 7 32 bit, QGIS 2.18.17

Steps to reproduce

1. First - export to JSON
2. Second - select Layer and output file
3. Third - klick 'OK' for export

Traceback (most recent call last):
  File "C:/Users/USER/.qgis2/python/plugins\AutoFields\ExportAutoFieldsDialog.py", line 122, in accept
    "Selected AutoFields have been exported to {}.".format( self.txtExportFile.text() ) ) )
UnicodeEncodeError: 'ascii' codec can't encode character u'\xd6' in position 5: ordinal not in range(128)

AutoFields 0.5.0, QGIS 2.14.19-Essen on Windows 10

When creating an AutoField, it does not calculate the existing values. It only updates when you add/change values. It would be verry nice if there was an opportunity to fix it that way.

Migrate AutoFields to QGIS v3.0+.

Currently, trying to install AutoFields 0.5.1 from Zip to QGIS 3.0.2 leads to:

Traceback (most recent call last):
  File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 336, in startPlugin
   plugins[packageName] = package.classFactory(iface)
AttributeError: module 'AutoFields' has no attribute 'classFactory'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "", line 1, in 
  File "C:/OSGEO4~1/apps/qgis/./python\pyplugin_installer\installer.py", line 586, in installFromZipFile
    if startPlugin(pluginName):
  File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 338, in startPlugin
    _unloadPluginModules(packageName)
  File "C:/OSGEO4~1/apps/qgis/./python\qgis\utils.py", line 405, in _unloadPluginModules
    mods = _plugin_modules[packageName]
KeyError: 'AutoFields'