xloft 0.11.2

(XLOFT) X-Library of tools

XLOFT

(XLOFT) X-Library of tools.

The collection is represented by three modules of `NamedTuple`, `AliasDict`, `Converters`, `ItIs`.
In the future, new tools can be added.

Installation

uv add xloft

Usage

• NamedTuple

"""This class imitates the behavior of the `named tuple`."""

from xloft import NamedTuple


nt = NamedTuple(x=10, y="Hello", _id="507c7f79bcf86cd7994f6c0e")
# or
d = {"x": 10, "y": "Hello", "_id": "507c7f79bcf86cd7994f6c0e"}
nt = NamedTuple(**d)

nt.x  # => 10
nt.y  # => Hello
nt._id  # => 507c7f79bcf86cd7994f6c0e
nt.z  # => raise: KeyError

nt["x"]  # => 10
nt["y"]  # => Hello
nt["_id"]  # => 507c7f79bcf86cd7994f6c0e
nt["z"]  # => KeyError

nt.get("x")  # => 10
nt.get("y")  # => Hello
nt.get("_id")  # => 507c7f79bcf86cd7994f6c0e
nt.get("z")  # => None

len(nt)  # => 3
list(nt.keys())  # => ["x", "y", "_id"]
list(nt.values())  # => [10, "Hello", "507c7f79bcf86cd7994f6c0e"]

nt.has_key("x")  # => True
nt.has_key("y")  # => True
nt.hsa_key("_id")  # => True
nt.has_key("z")  # => False

nt.has_value(10)  # => True
nt.has_value("Hello")  # => True
nt.has_value("507c7f79bcf86cd7994f6c0e")  # => True
nt.has_value([1, 2, 3])  # => False

d = nt.to_dict()
d["x"]  # => 10
d.get("y")  # => Hello
d.get("z") # => None

for key, val in nt.items():
    print(f"Key: {key}, Value: {val}")

nt.update("x", 20)
nt.update("y", "Hi")
nt.update("_id", "new_id")
nt.x  # => 20
nt.y  # => Hi
nt._id  # => new_id
nt.update("z", [1, 2, 3])  # => raise: KeyError

nt["x"]  # => raise: KeyError
nt["y"]  # => raise: KeyError
nt["_id"]  # => raise: KeyError
nt["z"]  # => raise: KeyError
nt["x"] = 20  # => TypeError
nt["y"] = "Hi"  # => TypeError
nt["_id"] = "new_id"  # => TypeError
nt["z"] = [1, 2, 3]  # => TypeError

nt.x = 20  # => raise: AttributeDoesNotSetValueError
nt.y = "Hi"  # => raise: AttributeDoesNotSetValueError
nt._id = "new_id"  # => raise: AttributeDoesNotSetValueError
nt.z = [1, 2, 3]  # => raise: AttributeDoesNotSetValueError

del nt.x  # => raise: AttributeCannotBeDeleteError
del nt.y # => raise: AttributeCannotBeDeleteError
del nt._id # => raise: AttributeCannotBeDeleteError

• AliasDict

"""Pseudo dictionary with supports aliases for keys."""

from xloft import AliasDict

d = AliasDict()
# or
d = AliasDict(
    ({"English", "en"}, "lemmatize_en_all"),
    ({"Russian", "ru"}, "lemmatize_ru_all"),
    ({"German", "de"}, "lemmatize_de_all"),
)
# or
data = [
    ({"English", "en"}, "lemmatize_en_all"),
    ({"Russian", "ru"}, "lemmatize_ru_all"),
    ({"German", "de"}, "lemmatize_de_all"),
    ({"four", "Four", 4}, "I'm fourth"),
]
d = AliasDict(*data)

len(d)  # => 4
#
d["English"]  # => "lemmatize_en_all"
d["en"]  # => "lemmatize_en_all"
d["EN"]  # => KeyError
#
d["English"] = "Hi"
d["en"]  # => "Hi"
d["en"] = "lemmatize_en_all"
d["English"]  # => "lemmatize_en_all"
#
d["five"] = "I'm fifth"
d["five"]  # => "I'm fifth"
#
del d["five"]
d["five"]  # => KeyError
#
d.get("English")  # => "lemmatize_en_all"
d.get("en")  # => "lemmatize_en_all"
d.get("EN")  # => None
#
d.add({"Turkish", "tr"}, "libstemmer_tr")
d.get("Turkish")  # => "libstemmer_tr"
d.get("tr")  # => "libstemmer_tr"
#
d.update(4, "Hello world!")
d.get("four")  # => "Hello world!"
d.get(4)  # => "Hello world!"
#
d.add_alias(4, "four stars")
d.get("four stars")  # => "Hello world!"
#
d.delete_alias("four stars")
d.get("four stars")  # => None
#
d.delete(four)
d.get("four")  # => None
d.get(4)  # => None
#
d.has_key("English")  # => True
d.has_key("en")  # => True
d.has_key("EN")  # => False
#
d.has_value("lemmatize_en_all")  # True
d.has_value(6)  # False
#
# items() -> `Generator[tuple[list[str | int | float], Any]]`
for aliases, value in d.items():
    print(f"Aliases of key: {aliases}, Value: {value}")
#
list(d.keys())  # => ["English", "en", "Russian", "ru", "German", "de", "Turkish", "tr"]
#
list(d.values())  # => ["lemmatize_en_all", "lemmatize_ru_all", "lemmatize_de_all", "libstemmer_tr"]

• Converters

"""Convert the number of bytes into a human-readable format."""

from xloft import to_human_size, int_to_roman, roman_to_int
# from xloft.converters import to_human_size, int_to_roman, roman_to_int


to_human_size(200)  # => 200 bytes
to_human_size(1048576)  # => 1 MB
to_human_size(1048575)  # => 1023.999 KB
#
int_to_roman(1994)  # => MCMXCIV
roman_to_int("MCMXCIV")  # => 1994

• ItIs

"""Check if a string is a number."""

from xloft import is_number, is_palindrome
# from xloft.itis import is_number, is_palindrome


is_number("")  # => False
is_number(" ")  # => False
is_number("1230.")  # => False
is_number("0x5")  # => False
is_number("0o5")  # => False
is_number("-5.0")  # => True
is_number("+5.0")  # => True
is_number("5.0")  # => True
is_number(".5")  # => True
is_number("5.")  # => True
is_number("3.4E+38")  # => True
is_number("3.4E-38")  # => True
is_number("1.7E+308")  # => True
is_number("1.7E-308")  # => True
is_number("-1.7976931348623157e+308")  # => True
is_number("1.7976931348623157e+308")  # => True
is_number("72028601076372765770200707816364342373431783018070841859646251155447849538676")  # => True
is_number("-72028601076372765770200707816364342373431783018070841859646251155447849538676")  # => True
#
is_palindrome("racecar")  # True
is_palindrome("Go hang a salami, I'm a lasagna hog") # True
is_palindrome("22022022")  # True
is_palindrome("Gene")  # False
is_palindrome("123")  # False
is_palindrome(123)  # TypeError
is_palindrome("")  # ValueError