pyworkflow.utils.dataset module

# JMRT (2018-12-11) This module is almost not used at all. Maybe it can be removed in a future. Just kept here for the moment inside pw.utils and not imported by default

class pyworkflow.utils.dataset.Column(colName, colType=None, default=None, label=None, renderType=0)

Bases: object

convert(value)

Try to convert the value to the column type.

getDefault()

getLabel()

getName()

getRenderType()

getType()

hasDefault()

setRenderType(renderType)

class pyworkflow.utils.dataset.DataSet(tables, tableName=None, volumeName=None, numberSlices=0)

Bases: object

Holds several Tables All tables should have an unique tableName.

currentTable()

Returns the name of the last selected table.

getNumberSlices()

getNumberSlicesForTemplate()

getTable(tableName=None)

getTypeOfColumn(label)

this method should be implemented by subclasses.

getVolumeName()

listTables()

List the actual table names on the DataSet.

setNumberSlices(numberSlices)

setVolumeName(volumeName)

class pyworkflow.utils.dataset.SingleFileDataSet(filename)

Bases: pyworkflow.utils.dataset.DataSet

DataSet implementation for single files such as Images or Volumes.

class pyworkflow.utils.dataset.SqliteDataSet(filename)

Bases: pyworkflow.utils.dataset.DataSet

Provide a DataSet implementation based on sqlite file. The tables of the dataset will be the object tables in database. Each block is a table on the dataset.

class pyworkflow.utils.dataset.Table(*columns)

Bases: object

Table to hold rows of data. A table contains a list of columns.

addRow(rowId, **values)

With this implementation the rowId should be provided. We need to work around to also allow automatic generation of id’s

getColumn(columnName)

getColumnValues(columnName)

getColumns()

Return all columns.

getDataToRender()

getDataToRenderAndExtra()

getIdColumn()

getIndexFromValue(value, label)

Search the element that has property ‘label’ equals to value and returns its index.

getNumberOfColumns()

getRow(rowId)

getRows()

Return all rows.

getSize()

Return the number of rows.

getTransformationMatrix()

getValueFromIndex(index, label)

Return the value of the property ‘label’ in the element that has this ‘index’.

hasColumn(columnName)

Return true if column exists

hasEnabledColumn()

Return true if enabled column exists

iterColumns()

iterRows()

Iterate over the rows.

setLabelToRender(labelToRender)

updateRow(rowId, **values)

Update a row given its rowId and some values to update.