Python-dwca-reader

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- Lower memory use for archives with extensions
- GBIFResultsReader (deprecated since v0.10.0) is now removed
- DwCAReader.get_row_by_id() (long deprecated) is now removed, use DwCAReader.get_corerow_by_id() instead
- DwCAReader.get_row_by_index() (long deprecated) is now removed, use DwCAReader.get_corerow_by_position() instead

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- Dropped support for Python 2.7
- API new: Temporary directory is now configurable

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- Better standard support: fields with data column can also have a default value (issue 80)

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- API new: DwCAReader.core_file_location
- API new: String representation (__str__) for CSVDataFile objects.
- API change: CSVDataFile.get_line_at_position() raises IndexError in case of line not found (previously: returned None)

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- Bugfix: better encoding support for Metadata file - see issue 73.
- API change: DwCAReader.get_descriptor_for(filename) now raises NotADataFile exception if filename doesn't exists (previously: None was returned).
- API new: DwCAReader.core_file (previously private: _corefile).
- API new: DwCAReader.extension_files (previously private: _extensionfiles).

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- API new: DwCAReader.pd_read() - See Pandas tutorial for usage.
- API new: new NotADataFile exception.