tf.contrib.lookup.TextFileIdTableInitializer

Table initializer for string to int64 IDs tables from a text file.

Inherits From: TextFileInitializer

tf.contrib.lookup.TextFileIdTableInitializer(
    filename, key_column_index=TextFileIndex.WHOLE_LINE,
    value_column_index=TextFileIndex.LINE_NUMBER, vocab_size=None, delimiter='\t',
    name='text_file_id_table_init', key_dtype=tf.dtypes.string
)

Args
filename	The filename of the text file to be used for initialization. The path must be accessible from wherever the graph is initialized (eg. trainer or eval workers). The filename may be a scalar Tensor.
key_column_index	The column index from the text file to get the key values from. The default is to use the whole line content.
value_column_index	The column index from the text file to get the value values from. The default is to use the line number, starting from zero.
vocab_size	The number of elements in the file, if known.
delimiter	The delimiter to separate fields in a line.
name	Optional name for the op.
key_dtype	The key data type.

Raises
TypeError	when the filename is empty, or when the table key and value data types do not match the expected data types.

Attributes
key_dtype	The expected table key dtype.
value_dtype	The expected table value dtype.

Methods

initialize

View source

initialize(
    table
)

Initializes the table from a text file.

Args
table	The table to be initialized.

Returns
The operation that initializes the table.

Raises
TypeError	when the keys and values data types do not match the table key and value data types.