literalizer 2026.3.13

Convert JSON data structures to native language literal syntax.

literalizer

literalizer converts JSON data structures to native language literal syntax (Python, JavaScript, TypeScript, Go, Ruby, C#, C++, Java, Kotlin).

• Installation

• Usage examples

• Use cases

• Full documentation

Installation

Requires Python 3.12+.

pip install literalizer

Usage examples

"""Examples of using literalizer."""

from literalizer import convert_json_to_native_literal

# Convert a JSON array to Python tuple literal
data = [True, None, "hi", [1, 2]]
result = convert_json_to_native_literal(
    data=data,
    language="py",
    prefix="",
    wrap=False,
)
# result: '(True, None, "hi", (1, 2)),'

# Convert to JavaScript/TypeScript array
result = convert_json_to_native_literal(
    data=data,
    language="js",
    prefix="    ",
    wrap=True,
)
# result:
# [
#     true,
#     null,
#     "hi",
#     [1, 2],
# ]

# Supported languages: py, js, ts, go, rb, cs, cpp, java, kt

Use cases

• Generate test fixtures from JSON samples.

• Convert API responses to language-native data structures for documentation.

• Create type-safe literal data from JSON config files.

Full documentation

See the full documentation for more information including how to contribute.