etlplus.file.base

etlplus.file.base module.

Abstract base classes for file-format handlers.

Classes

BoundFileHandler(handler, path)	Path-bound facade around a format handler.
ReadOptions([encoding, sheet, table, ...])	Common optional parameters used when reading files.
WriteOptions([encoding, root_tag, sheet, ...])	Common optional parameters used when writing files.
FileHandlerABC()	Root interface for format-specific file handlers.
ReadOnlyFileHandlerABC()	Base class for formats that support reads but not writes.
ArchiveWrapperFileHandlerABC()	Base contract for archive/compression wrapper formats.
BinarySerializationFileHandlerABC()	Base contract for binary serialization/interchange formats.
ColumnarFileHandlerABC()	Base contract for columnar analytics formats.
DelimitedTextFileHandlerABC()	Base contract for delimited text formats.
DictPayloadSemiStructuredTextFileHandlerABC()	Shared base for semi-structured formats with dictionary payloads.
EmbeddedDatabaseFileHandlerABC()	Base contract for file-backed embedded database formats.
LogEventFileHandlerABC()	Base contract for log/event stream formats.
PlainTextFileHandlerABC()	Base contract for plain text file handlers.
RecordPayloadSemiStructuredTextFileHandlerABC()	Shared base for semi-structured formats with record-like roots.
ReadOnlySpreadsheetFileHandlerABC()	Base contract for read-only spreadsheet formats.
ScientificDatasetFileHandlerABC()	Base contract for scientific/statistical dataset containers.
SemiStructuredTextFileHandlerABC()	Base contract for semi-structured text formats.
SingleDatasetScientificFileHandlerABC()	Base contract for scientific formats with a single dataset key.
SpreadsheetFileHandlerABC()	Base contract for spreadsheet formats.
StandardDelimitedTextFileHandlerABC()	Shared implementation for straightforward delimited text handlers.
TemplateFileHandlerABC()	Base contract for template formats.
TemplateTextIOMixin()	Shared template-file read/write implementation.
TextFixedWidthFileHandlerABC()	Base contract for fixed-width row-oriented text formats.