npu.utils.str_utils

Classes

StrUtils()

class npu.utils.str_utils.StrUtils

Author:

Alberto M. Esmoris Pena

Class with util static methods to work with strings.

static to_numpy_expr(expr)

Receive an evaluable expression and replace any call to a standard math function to use numpy aliased as np instead.

Parameters:

expr (str) – The expression to be numpyfied.

Returns:

The numpyfied expression.

static csv_header_from_names(names, sep=',')

Build a string representing a header for a CSV file. The header string contains the names of the attributes separated by the given separator.

Parameters:

• names (list of str) – The names of the attributes in the CSV.

• sep (str) – The separator for the names of the attributes.

Returns:

The header represented as a string.

Return type:

str

static csv_line_from_values(vals, sep=',')

Build a string representing a line of the body for a CSV file. The body string contains the values of the attributes separated by the given separator.

Parameters:

• vals (list of str) – The values of the attributes in the CSV.

• sep (str) – The separator for the values of the attributes.

Returns:

The line of the body represented as a string.

Return type:

str

static remove_leading_whitespace(s)

Remove the leading whitespaces to the left from a given string. Leading whitespaces are characters like ‘ ‘, ‘n’, ‘t’, ‘r’, etc.

Parameters:

s (str) – The string whose leading whitespaces at the right extreme must be eliminated.

Returns:

The string obtained after removing leading whitespaces from the input string.

Return type:

str

static remove_trailing_whitespaces(s)

Remove the trailing whitespaces to the right from a given string. Trailing whitespaces are characters like ‘ ‘, ‘n’, ‘t’, ‘r’, etc.

Parameters:

s (str) – The string whose trailing whitespaces at the right extreme must be eliminated.

Returns:

The string obtained after removing trailing whitespaces from the input string.

Return type:

str