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Background: at project load time for all layers a copy of the style is loaded and stored as a DOM document. This was implemented for broken layers to make it possible to store the style back to the project if a broken layer was kept in the project. Of course this is not needed nor useful in a server context. By introducing a new project load flag and using it in the server config (projects) cache we allow to skip the initial storage of styles for the server and cut the startup times of our test "monster" project (~1000 PG layers) from 26 seconds to 15. Before you ask: I chose to always store the original style with the idea that we might have been able to use the original style copy also to "restore" styles to their initial state. This was never implemented, so I guess we might be good to make the initial style copy selectively available for broken layers only in order to speed up project loading in the general case (desktop).
26 lines
3.2 KiB
Python
26 lines
3.2 KiB
Python
# The following has been generated automatically from src/core/qgsproject.h
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# monkey patching scoped based enum
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QgsProject.FlagDontResolveLayers = QgsProject.ReadFlag.FlagDontResolveLayers
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QgsProject.ReadFlag.FlagDontResolveLayers.__doc__ = "Don't resolve layer paths (i.e. don't load any layer content). Dramatically improves project read time if the actual data from the layers is not required."
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QgsProject.FlagDontLoadLayouts = QgsProject.ReadFlag.FlagDontLoadLayouts
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QgsProject.ReadFlag.FlagDontLoadLayouts.__doc__ = "Don't load print layouts. Improves project read time if layouts are not required, and allows projects to be safely read in background threads (since print layouts are not thread safe)."
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QgsProject.FlagTrustLayerMetadata = QgsProject.ReadFlag.FlagTrustLayerMetadata
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QgsProject.ReadFlag.FlagTrustLayerMetadata.__doc__ = "Trust layer metadata. Improves project read time. Do not use it if layers' extent is not fixed during the project's use by QGIS and QGIS Server."
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QgsProject.FlagDontStoreOriginalStyles = QgsProject.ReadFlag.FlagDontStoreOriginalStyles
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QgsProject.ReadFlag.FlagDontStoreOriginalStyles.__doc__ = "Skip the initial XML style storage for layers. Mainly useful in server's context where there is no chance that the user will save the project again."
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QgsProject.ReadFlag.__doc__ = 'Flags which control project read behavior.\n\n.. versionadded:: 3.10\n\n' + '* ``FlagDontResolveLayers``: ' + QgsProject.ReadFlag.FlagDontResolveLayers.__doc__ + '\n' + '* ``FlagDontLoadLayouts``: ' + QgsProject.ReadFlag.FlagDontLoadLayouts.__doc__ + '\n' + '* ``FlagTrustLayerMetadata``: ' + QgsProject.ReadFlag.FlagTrustLayerMetadata.__doc__ + '\n' + '* ``FlagDontStoreOriginalStyles``: ' + QgsProject.ReadFlag.FlagDontStoreOriginalStyles.__doc__
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# --
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# monkey patching scoped based enum
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QgsProject.FileFormat.Qgz.__doc__ = "Archive file format, supports auxiliary data"
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QgsProject.FileFormat.Qgs.__doc__ = "Project saved in a clear text, does not support auxiliary data"
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QgsProject.FileFormat.__doc__ = 'Flags which control project read behavior.\n\n.. versionadded:: 3.12\n\n' + '* ``Qgz``: ' + QgsProject.FileFormat.Qgz.__doc__ + '\n' + '* ``Qgs``: ' + QgsProject.FileFormat.Qgs.__doc__
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# --
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QgsProject.FileFormat.baseClass = QgsProject
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# monkey patching scoped based enum
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QgsProject.AvoidIntersectionsMode.AllowIntersections.__doc__ = "Overlap with any feature allowed when digitizing new features"
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QgsProject.AvoidIntersectionsMode.AvoidIntersectionsCurrentLayer.__doc__ = "Overlap with features from the active layer when digitizing new features not allowed"
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QgsProject.AvoidIntersectionsMode.AvoidIntersectionsLayers.__doc__ = "Overlap with features from a specified list of layers when digitizing new features not allowed"
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QgsProject.AvoidIntersectionsMode.__doc__ = 'Flags which control how intersections of pre-existing feature are handled when digitizing new features.\n\n.. versionadded:: 3.14\n\n' + '* ``AllowIntersections``: ' + QgsProject.AvoidIntersectionsMode.AllowIntersections.__doc__ + '\n' + '* ``AvoidIntersectionsCurrentLayer``: ' + QgsProject.AvoidIntersectionsMode.AvoidIntersectionsCurrentLayer.__doc__ + '\n' + '* ``AvoidIntersectionsLayers``: ' + QgsProject.AvoidIntersectionsMode.AvoidIntersectionsLayers.__doc__
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# --
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QgsProject.AvoidIntersectionsMode.baseClass = QgsProject
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