oculist

Statically typed, purely functional lenses for Python.

Features

Quickstart

from dataclasses import dataclass

from oculist import Lens


@dataclass(frozen=True)
def Address:
    street: Lens[str] = Lens()


@dataclass(frozen=True)
def User:
    name: Lens[str] = Lens()  # 'Lens' is a descriptor
    address: Lens[Address] = Lens()


bob = User('bob', Address("Some st."))

alice = (
    bob
    > User.name << 'alice'  # Define transformations using << and apply using >
    | User.address * Address.street << 'Other st.' # Compose transformations with | and chain lenses with *
)

assert bob.name == 'bob' and alice.name == 'alice'  # original target is left untouched

Concepts

Lenses, Attributes and Setters

Special Lenses

List

Tuple

Dict

Set

Metadata

Release files for oculist 0.0.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for oculist 0.0.0
File	Size	Uploaded	Provenance	Actions
oculist-0.0.0.tar.gz	2.1 kB	Nov 16, 2023	Without provenance	Details for oculist-0.0.0.tar.gz

Built distribution (wheel)

Table of built distributions (wheels) for oculist 0.0.0
File	Interpreter	ABI	Platform	Actions Reset
oculist-0.0.0-py3-none-any.whl 2.4 kB Nov 16, 2023 Without provenance	Python 3	none	any	Details for oculist-0.0.0-py3-none-any.whl

Total release size: 4.4 kB

Release files / oculist-0.0.0.tar.gz

Download URL	oculist-0.0.0.tar.gz
Size	2.1 kB
Tags	Source
SHA-256 checksum How to use checksums	`f94675a1389f9bef0c806c6d4f5ef18287d66560203e48b3cb5bb14abd14deee`
BLAKE2b-256 checksum How to use checksums	`0fbcaccdaa0457ad08c1013ae1180cd4a2545e1400a9c48832f2bb3737620878`
Upload date	Nov 16, 2023
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`poetry/1.6.1 CPython/3.10.12 Darwin/23.1.0`

Release files / oculist-0.0.0-py3-none-any.whl

Download URL	oculist-0.0.0-py3-none-any.whl
Size	2.4 kB
Tags	Python 3
SHA-256 checksum How to use checksums	`21abd970f8598989c824321d94b5c915158907b32f5bb0d0787b7233b4f46e08`
BLAKE2b-256 checksum How to use checksums	`6a15947a879b505f0b2c5d19c65fa88cea57a035e1ce510a42dcd2f6c2bc41c5`
Upload date	Nov 16, 2023
Uploaded using Trusted Publishing? What is trusted publishing?	No
Uploaded via	`poetry/1.6.1 CPython/3.10.12 Darwin/23.1.0`

Security for oculist 0.0.0

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This release

0.0.0 This release

Nov 16, 2023 2 release files No provenance

oculist 0.0.0