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2003-04-29 Bernhard Herzog <[email protected]> |
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Next step of table implementation. Introduce a transient database |
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using SQLite that some of the data is copied to on demand. This |
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allows us to do joins and other operations that require an index |
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for good performance with reasonable efficiency. Thuban now needs |
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SQLite 2.8.0 and pysqlite 0.4.1. Older versions may work but I |
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haven't tested that. |
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|
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* Thuban/Model/transientdb.py: New. Transient database |
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implementation. |
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* test/test_transientdb.py: New. Tests for the transient DB |
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classes. |
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|
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* Thuban/Model/session.py (AutoRemoveFile, AutoRemoveDir): New |
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classes to help automatically remove temporary files and |
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directories. |
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(Session.__init__): New instance variables temp_dir for the |
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temporary directory and transient_db for the SQLite database |
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(Session.temp_directory): New. Create a temporary directory if not |
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yet done and return its name. Use AutoRemoveDir to have it |
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automatically deleted |
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(Session.TransientDB): Instantiate the transient database if not |
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done yet and return it. |
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|
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* Thuban/Model/data.py (ShapefileStore.__init__): Use an |
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AutoTransientTable so that data is copied to the transient DB on |
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demand. |
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(SimpleStore): New class that simply combines a table and a |
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shapefile |
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* Thuban/Model/table.py (Table, DBFTable): Rename Table into |
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DBFTable and update its doc-string to reflect the fact that this |
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is only the table interface to a DBF file. Table is now an alias |
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for DBFTable for temporary backwards compatibility. |
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|
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* Thuban/UI/application.py (ThubanApplication.OnExit): Make sure |
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the last reference to the session goes away so that the temporary |
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files are removed properly. |
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|
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* test/test_load.py (LoadSessionTest.tearDown): Remove the |
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reference to the session to make sure the temporary files are |
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removed. |
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2003-04-29 Bernhard Herzog <[email protected]> |
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* Thuban/Model/load.py (XMLReader.__init__, XMLReader.read): Turn |
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the __parser instance variable into a normal local variable in |
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read. It's only used there and read will never be called more than |
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once. Plus it introduces a reference cycle that keeps can keep the |
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session object alive for a long time. |
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2003-04-25 Jonathan Coles <[email protected]> |
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* Thuban/Model/proj.py (Projection): Removed Set*() methods to make |
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Projection an immutable item. Fixes RTbug #1825. |
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(Projection.__init__): Initialize instance variables here. |
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(ProjFile.Replace): New. Replace the given projection object with |
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the new projection object. This solves the problem of needing the |
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mutator Projection.SetProjection() in the ProjFrame class and |
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allows a projection to change parameters without changing its |
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location in the file. |
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|
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* Thuban/UI/mainwindow.py (MainWindow.SaveSessionAs): Dialog should |
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be of type wxSAVE and should verify overwriting a file. |
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* Thuban/UI/projdialog.py (ProjFrame._OnSave): Use the new |
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ProjFile.Replace() method instead of the mutator |
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Projection.SetProjection(). Also requires that we reassign the |
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client data to the new projection. |
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* test/test_proj.py (TestProjection.test): Test GetName() and |
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GetAllParameters() |
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(TestProjFile.test): Remove tests for Set*() methods. Add tests |
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for Replace(). |
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2003-04-25 Jonathan Coles <[email protected]> |
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* Thuban/Model/save.py (SessionSaver.write_projection): Make sure |
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to save the name of the projection. |
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* test/test_save.py (SaveSessionTest.testLayerProjection): New |
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test to verify layer projections are saved correctly. |
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2003-04-25 Jonathan Coles <[email protected]> |
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* Thuban/Model/proj.py (Projection.SetName): Set the name |
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to "Unknown" if name is None. |
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(Projection.SetAllParameters): New. Set the projection's |
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parameter list to the one supplied. |
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(Projection.SetProjection): New. Set the projection's |
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properties to those of the supplied Projection. |
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|
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* Thuban/UI/mainwindow.py (MainWindow.MapProjection): Set |
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the dialog title to include the map's title. |
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(MainWindow.LayerProjection): Set the dialog title to include |
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the layer's title. |
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* Thuban/UI/projdialog.py (ProjFrame.__ShowError): Consolidate |
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error dialogs into a single method call. |
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(ProjFrame.__VerifyButtons): Add more states to check. |
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(ProjFrame.__GetProjection): Return the current state of an |
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edited projection or None. |
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(ProjFrame.__FillAvailList): Remove checks for states that |
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shouldn't exist. |
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(ProjFrame._OnNew): Clear all selected items and supply |
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a projection panel if necessary. |
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* test/test_proj.py (TestProjFile.test): Add tests for |
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ProjFile.SetAllParameters, ProjFile.SetProjection, |
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ProjFile.SetName. |
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2003-04-25 Jonathan Coles <[email protected]> |
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* Thuban/UI/projdialog.py (ProjFrame.__FillAvailList): Now |
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takes an optional argument to select the current projection. |
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This does not guarantee that the item is visible due to |
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limited wxWindows functionality. Fixes RTBug #1821. |
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2003-04-25 Jonathan Coles <[email protected]> |
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* Thuban/Model/load.py (SessionLoader.start_projection): Remember |
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the projection name and use it when constructing the Projection |
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object. |
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* Thuban/Model/proj.py (Projection.__init__): Change the default |
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value for 'name' to None and then test if name is equal to None |
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in the body of the constructor. This way the caller doesn't have to |
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know what the default value should be. Namely, useful in load.py |
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where we have to pick a default value if the 'name' parameter |
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doesn't exist in the XML file. |
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* test/test_load.py (LoadSessionTest.testLayerProjection): New. |
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Tests a file where a layer has a projection. |
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2003-04-25 Jonathan Coles <[email protected]> |
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* Thuban/Model/layer.py (Layer.TreeInfo): Add an item to the |
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tree for projection information. |
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* Thuban/Model/load.py (XMLReader.GetFilename): Renamed from |
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XMLReader.GetFileName. |
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(SessionLoader): Added support for loading projection tags that |
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appear inside a layer. |
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* Thuban/Model/proj.py (ProjFile): Document the class. Move |
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back to using a list because the order of the projections in |
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the file is important to maintain. Fixes RTbug #1817. |
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* Thuban/Model/resource.py: Rename calls to ProjFile.GetFileName |
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to ProjFile.GetFilename. |
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* Thuban/Model/save.py (SessionSaver.write_layer): Save projection |
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information. |
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* Thuban/UI/projdialog.py (ProjFrame._OnAddToList): Renamed from |
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ProjFrame._OnSaveAs. Removed old dead code from previous |
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implementation. |
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(ProjFrame._OnExport): Add support for exporting more than one |
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projection to a single file. |
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(ProjFrame.__FillAvailList): use string formatting (% operator) |
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to build strings that are (partly) translated. Fixes RTbug #1818. |
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* test/test_proj.py (TestProjFile.test): New. Tests the base ProjFile |
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class. |
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2003-04-24 Bernhard Herzog <[email protected]> |
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* po/es.po: Updated Spanish translation by Daniel Calvelo Aros |
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* po/fr.po: New. French translation by Daniel Calvelo Aros |
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* Thuban/UI/projdialog.py (ProjFrame._OnSaveAs): Don't translate |
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empty strings. |
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2003-04-24 Jonathan Coles <[email protected]> |
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* Thuban/Model/layer.py (Layer.GetProjection): New. Needed to |
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implement the interface that the ProjFrame dialog expects. |
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* Thuban/Model/proj.py (Projection.SetName): New. Allows the |
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name of the projection to be changed. |
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(ProjFile): Use a dictionary instead of a list so that removing |
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projections is easier and we are sure about uniqueness. |
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(ProjFile.Remove): Remove the given projection object. |
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* Thuban/Model/resource.py (GetSystemProjFiles, GetUserProjFiles): |
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Return a list with only one projection file instead of searching for |
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any projection file. This simplifies many things if the user can |
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only have one system file and one user file. |
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* Thuban/UI/classgen.py: Change all references to |
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genCombo to genChoice. |
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* Thuban/UI/mainwindow.py: Add a Projection option under the |
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layer menu. |
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(MainWindow.LayerProjection): New. Open up a projection window |
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for a layer. |
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* Thuban/UI/projdialog.py: Large changes to how the dialog is |
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laid out. Use three panels instead of one. One for the list of |
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projections, one for the edit controls, and one for the buttons. |
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Fixed resizing problems so that the dialog resizes correctly |
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when the projection panel changes. Added import/export, save, and |
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new buttons/functionality. |
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2003-04-24 Bernhard Herzog <[email protected]> |
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|
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First step towards table management. Introduce a simple data |
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abstraction so that we replace the data a layer uses more easily |
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in the next step. |
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|
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* Thuban/Model/data.py: New file with a simple data abstraction |
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that bundles shapefile and dbffile into one object. |
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|
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* Thuban/Model/session.py (Session.OpenShapefile): New method to |
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open shapefiles and return a shape store object |
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* Thuban/Model/layer.py (Layer.__init__): Pass the data as a store |
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object instead of a shapefile filename. This introduces a new |
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instance variable store holding the datastore. For intermediate |
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backwards compatibility keep the old instance variables. |
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(open_shapefile): Removed. No longer needed with the shape store. |
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(Layer.SetShapeStore, Layer.ShapeStore): New methods to set and |
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get the shape store used by a layer. |
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(Layer.Destroy): No need to explicitly destroy the shapefile or |
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table anymore. |
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|
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* Thuban/UI/mainwindow.py (MainWindow.AddLayer) |
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(MainWindow.AddLayer): Use the session's OpenShapefile method to |
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open shapefiles |
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|
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* Thuban/Model/load.py (ProcessSession.start_layer): Use the |
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session's OpenShapefile method to open shapefiles |
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* test/test_classification.py |
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(TestClassification.test_classification): Use the session's |
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OpenShapefile method to open shapefiles and build the filename in |
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a more platform independed way |
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|
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* test/test_layer.py (TestLayer.setUp, TestLayer.tearDown): |
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Implement to have a session to use in the tests |
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(TestLayer.test_arc_layer, TestLayer.test_polygon_layer) |
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(TestLayer.test_point_layer, TestLayer.test_empty_layer): Use the |
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session's OpenShapefile method to open shapefiles |
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(TestLayerLegend.setUp): Instantiate a session so that we can use |
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it to open shapefiles. |
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(TestLayerLegend.tearDown): Make sure that all references to |
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layers and session are removed otherwise we may get a resource |
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leak |
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|
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* test/test_map.py (TestMapAddLayer.test_add_layer) |
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(TestMapWithContents.setUp): Instantiate a session so that we can |
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use it to open shapefiles. |
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(TestMapWithContents.tearDown): Make sure that all references to |
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layers, maps and sessions are removed otherwise we may get a |
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resource leak |
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("__main__"): use support.run_tests() so that more info about |
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uncollected garbage is printed |
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|
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* test/test_save.py (SaveSessionTest.testSingleLayer): Use the |
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session's OpenShapefile method to open shapefiles |
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("__main__"): use support.run_tests() so that more info about |
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uncollected garbage is printed |
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|
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* test/test_selection.py (TestSelection.tearDown): Make sure that |
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all references to the session and the selection are removed |
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otherwise we may get a resource leak |
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(TestSelection.get_layer): Instantiate a session so that we can |
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use it to open shapefiles. |
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("__main__"): use support.run_tests() so that more info about |
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uncollected garbage is printed |
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|
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* test/test_session.py (TestSessionBase.tearDown) |
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(TestSessionWithContent.tearDown): Make sure that all references |
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to the session and layers are removed otherwise we may get a |
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resource leak |
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(TestSessionWithContent.setUp): Use the session's OpenShapefile |
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method to open shapefiles |
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|
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2003-04-24 Jonathan Coles <[email protected]> |
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|
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* Thuban/Model/load.py (XMLReader.read): Should have been checking |
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if the file_or_filename object had the 'read' attribute. |
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|
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2003-04-23 Jonathan Coles <[email protected]> |
2003-04-23 Jonathan Coles <[email protected]> |
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|
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* Thuban/Model/resource.py: Fixes RTbug #1813. |
* Thuban/Model/resource.py: Fixes RTbug #1813. |
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