parsebox 0.2.0

Common utils for web apps: safe parsing helpers and nested json access

Parsebox

Common set of utilities when building a web app

Formerly published as owlutils; also absorbs the json-parser-utils package.

Parsing functions:

• safeint
• safeintorzero
• safeintorbignumber
• safefloat
• jsonb_date_to_str
• pretty_json
• onewhite
• join_strings_if_not_null
• get_full_name
• get_exception_traceback

Nested json access:

• JsonParser

Installation

pip install parsebox

Usage

>>> from parsebox import parsing
>>> parsing.safeint("123")
123

Access nested json with dot-separated paths (array indices are plain numbers):

>>> from parsebox import JsonParser
>>> data = {"person": {"name": "John", "kids": [{"name": "Lorem"}]}}
>>> JsonParser(data).access("person.kids.0.name").value
'Lorem'
>>> JsonParser(data).access("person.address.city").value  # missing keys return None

Migrating from owlutils / json-parser-utils

• from owlutils import parsing → from parsebox import parsing (same functions)
• from json_parser_utils import JsonParser → from parsebox import JsonParser (same API)
• json_parser_utils.utils.safe_int → parsebox.parsing.safeint