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2007-04-11 Bram de Greve <[email protected]> |
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* dbflibmodule.c, pyshapelib_common.h, setup.py: attempt to add support for |
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Unicode and Language Driver ID (LDID) support in dbflib. Before the strings |
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are send to the underlying shapelib, they are encoded using the code page |
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specified by the database's LDID if present. To know this LDID requires |
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some unofficial modifications to maptools' shapelib. Backwards |
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compatibility is ensured by detecting if this field is present and setting |
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HAVE_LANGUAGE_DRIVER accordingly in setup.py. In absence of the LDID, |
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dbflib assumes a Windows ANSI codepage (cp1252). |
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New or modified functions/attributes of the DBFFile class: |
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- read_record(...), DBFFile.read_attribute(...): modified, now return |
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Unicode strings. |
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- write_record(...) and write_field(...): modified, now accept both regular |
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and Unicode strings but both are encoded. |
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- language_driver (read-only): new, the numerical value of the LDID |
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(exists only if HAVE_LANGUAGE_DRIVER == 1) |
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New or modified functions/constants of the dbflib module: |
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- language_driver_codec(...): added, translates a numerical LDID into the |
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string name of the Python codec used to encode/decode the strings. |
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(exists only if HAVE_LANGUAGE_DRIVER == 1) |
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- language_driver_name(...): added, translates a numerical LDID into a string |
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representing the corresponding constant. |
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(exists only if HAVE_LANGUAGE_DRIVER == 1) |
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- LDID_NOT_SET, LDID_DOS_USA, ...: constants representing language drivers. |
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(existsonly if HAVE_LANGUAGE_DRIVER == 1) |
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2007-03-29 Bram de Greve <[email protected]> |
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* shapelibmodule.c, dbflibmodule.c, pyshapelib_common.h: added support for |
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Win32 wide character file API. Unicode filenames are now fully supported |
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on the windows platform: for example exotic filenames like the greek letter |
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pi (u"\u03c0"). This is mostly mimicked from Python's fileobject.c, and |
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needed some severe changes in the C++ shapelib library to support the wide |
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filename API. All XOpen and XCreate functions now have XOpenW and XCreateW |
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counterparts plus some common code has been split to XOpenEx and XCreateEx. |
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I hope these modifications might one day end up in an official shapelib |
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release. Meanwhile, compatibility is guaranteed as the specific Unicode |
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code paths are not compiled if the modifications are not found. |
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2007-03-22 Bram de Greve <[email protected]> |
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* shapelibmodule.c, dbflibmodule.c: in __init__ of ShapeFile and DBFFile, |
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throw proper IOError if opening of file failed. |
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* dbflibmodule.c: commit function was incorrectly pointing to |
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dbflib_read_record |
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2007-03-21 Bram de Greve <[email protected]> |
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* shptreemodule.c: restoring something that shouldn't have been committed. |
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2007-03-15 Bram de Greve <[email protected]> |
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* shapelib.c: When creating measured shapes (XYM), treat M value |
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value as optional (defaults to zero). Similar for |
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3D shapes (XYZM), threat both the Z and M value as options |
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(both default to zero). When M values are to be given, |
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None is accepted as "no-data" value, and is stored as zero |
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(ESRI shapefile specs define any M value smaller than 1e-38 |
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as no-data). Added an unpack_vertex() function to lift some |
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of the load of shpobject_init. Fixed a missing break and |
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PyMem_Free in build_vertex_list(), shapefile_init() and |
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shapelib_create(). |
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* dbflibmodule.c: Added support for the FTLogical field type. |
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* shapelibmodule.c, dbflibmodule.c: Added 'name' and 'mode' |
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keywords for ShapeFile and DBFFile constructors and the module's |
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open() function, similiar to Python's file(). Reformatted |
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the doc strings to have a standard look and feel when parsed |
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through pydoc. |
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* shapelib_common.h: added no-data constants. |
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* pytest.py: Added tests for multipatch shapefile with XYZM values. |
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Added tests for FTLogical field. |
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2007-03-15 Bram de Greve <[email protected]> |
2007-03-15 Bram de Greve <[email protected]> |
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* shapelibmodule.c, dbflibmodule.c: added some Unicode support for the |
* shapelibmodule.c, dbflibmodule.c: added some Unicode support for the |
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