py-check 1.2.0

Python Micro check library

py-check

A general-purpose check library for python. This is a python implementation of part of is.js.

Installation

pip install py-check

Usage

from pycheck import check

check.integer(...)
check.any.integer(...)
check.all.integer(...)

Type Checks

check.integer(value: Any)

Checks if the given value(s) type is integer

interface: all, any

check.integer(123) => True

check.integer(True) => False

check.all.integer(1, 'a') => False

check.any.integer(1, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.integer([1, 2, 3]) => True

check.float(value: Any)

Checks if the given value(s) type is float

interface: all, any

check.float(0.2) => True

check.all.float(0.2, math.inf) => True

check.any.float(0.2, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.float([1.1, 1.2, 2]) => False

check.boolean(value: Any)

Checks if the given value(s) type is boolean

interface: all, any

check.boolean(1) => False

check.all.boolean(True, 1) => False

check.any.boolean(False, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.boolean([True, False]) => True

check.string(value: Any)

Checks if the given value(s) type is string

interface: all, any

check.string('') => True

check.all.string(True, 'a') => False

check.any.string(False, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.string(['True', '1']) => True

check.char(value: Any)

Checks if the given value(s) type is char

interface: all, any

check.char('s') => True

check.all.char(True, 'a') => False

check.any.char(False, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.char(['s', '1']) => True

check.list(value: Any)

Checks if the given value(s) type is list

interface: all, any

check.list([1, 'a']) => True

check.all.list(1, [1, 'a']) => False

check.all.list([1, 2, 3]) => False

check.any.list([], 1) => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.list([1, [1, 2, 3]]) => False

check.dictionary(value: Any)

Checks if the given value(s) type is dictionary

interface: all, any

check.dictionary({}) => True

check.all.dictionary({'a': 1}, 'a') => False

check.any.dictionary({'a': 1}, 'a')

# 'all' and 'any' interfaces can also take argument of list type
check.all.dictionary([{'a': 1}, 'a']) => False

check.set(value: Any)

Checks if the given value(s) type is set

interface: all, any

check.set(set({})) => True

check.set({}) => False

check.all.set({1, 2, 3}, [1, 2, 3]) => False

check.any.set({1 ,2, 3}, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.set([{1, 2, 3}, [1, 2, 3]]) => False

check.tuple(value: Any)

Checks if the given value(s) type is tuple

interface: all, any

check.tuple((1, 2)) => True

check.all.tuple({1, 2}, (1, 2)) => False

check.any.tuple((), 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.tuple([{1, 2}, (1, 2)]) => False

check.none(value: Any)

Checks if the given value(s) type is None

interface: all, any

check.none(None) => True

check.all.none({1, 2}, None) => False

check.any.none(None, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.none([{1, 2}, None]) => False

check.function(value: Any)

Checks if the given value(s) type is function

interface: all, any

check.function(foo) => True

check.all.function({1, 2}, foo) => False

check.any.function(foo, 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.function([{1, 2}, foo]) => False

check.date(value: Any)

Checks if the given value(s) type is date

interface: all, any

check.date(datetime.date(2020, 7, 1)) => True

check.all.date({1, 2}, datetime.date(2020, 7, 1)) => False

check.any.date(datetime.date(2020, 7, 1), 'a') => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.date([{1, 2}, datetime.date(2020, 7, 1)]) => False

check.date_string(value: Any, string_pattern: str = '%Y-%m-%d')

Checks if the given value(s) type is date by string pattern

interface: all, any

check.date('2020-7-1') => True
check.date('2020/7/1', string_pattern='%Y/%m/%d') => True

check.all.date('2020-7-1', '2020-8-1') => True

check.any.date('2020-7-1', 1) => True

# 'all' and 'any' interfaces can also take argument of list type
check.all.date(['2020-7-1', '2020-8-1', 1]) => False

check.same_type(value: Any, *args: Any)

Checks if the given values types are the same

interface: no interface

check.same_type(1) => True

check.same_type(1.1) => True

check.same_type(True, 1) => False

check.same_type(1, False) => False

check.same_type(1, 2, 3) => True

Todo

• Type Checks
  • check.date
  • check.same_type
• Presence Checks
  • check.empty
  • check.truthy
  • check.falsy
• String Checks
  • check.uppercase
  • check.lowercase
  • check.capitalized
• Integer Checks
  • check.even
  • check.odd
  • check.positive
  • check.negative