philiprehberger-safeget 0.2.0

Safely access nested dictionary keys without exceptions

philiprehberger-safeget

Safely access nested dictionary keys without exceptions.

Installation

pip install philiprehberger-safeget

Usage

from philiprehberger_safeget import safeget, safeset, has_path, pluck

data = {"user": {"address": {"city": "NYC"}}}

safeget(data, "user.address.city")              # "NYC"
safeget(data, "user.address.zip")               # None
safeget(data, "user.address.zip", default="?")  # "?"

# List index support
data = {"users": [{"name": "Alice"}, {"name": "Bob"}]}
safeget(data, "users.0.name")  # "Alice"

# Check existence
has_path(data, "users.0.name")   # True
has_path(data, "users.5.name")   # False

# Set nested values (creates intermediates)
safeset(data, "config.debug", True)

# Extract multiple paths
pluck(data, "users.0.name", "config.debug")
# {"users.0.name": "Alice", "config.debug": True}

API

• safeget(data, path, default=None, separator=".") — Get nested value
• safeset(data, path, value, separator=".") — Set nested value
• has_path(data, path, separator=".") — Check if path exists
• pluck(data, *paths, default=None) — Extract multiple paths

Development

pip install -e .
python -m pytest tests/ -v

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License

MIT