pip_services3_commons.convert.StringConverter module

pip_services3_commons.convert.StringConverter

String conversion utilities

copyright

Conceptual Vision Consulting LLC 2018-2019, see AUTHORS for more details.

license

MIT, see LICENSE for more details.

class pip_services3_commons.convert.StringConverter.StringConverter

Bases: object

Converts arbitrary values into strings using extended conversion __rules: - Numbers: are converted with ‘.’ as decimal point - DateTime: using ISO format - Boolean: “true” for true and “false” for false - Arrays: as comma-separated list - Other objects: using to_string() method

Example:

value1 = StringConverter.to_string(123.456) # Result: "123.456"
value2 = StringConverter.to_string(true)    # Result: "true"
value3 = StringConverter.to_string(datetime.datetime(2018,0,1)) # Result: "2018-01-01T00:00:00.00"
value4 = StringConverter.to_string([1,2,3]) # Result: "1,2,3"

static to_nullable_string(value: Any) → Optional[str, None]

Converts args into string or returns None when args is None.

Parameters

value – the args to convert.

Returns

string args or None when args is None.

static to_string(value: Any) → str

Converts args into string or returns “” when args is None.

Parameters

value – the args to convert.

Returns

string args or “” when args is None.

static to_string_with_default(value: Any, default_value: str) → str

Converts args into string or returns default when args is None.

Parameters

• value – the args to convert.

• default_value – the default args.

Returns

string args or default when args is null.