datatype-tools 0.1.3

Additional methods for Python's immutable data types.

Data Type Tools

Includes useful helper methods for Python's immutable data types using the forbiddenfruit library.

Install

• python3 -m pip install datatype-tools

Usage

• Import single datatype
  • from datatype_tools.lib import Float
• Import all datatypes
  • from datatype_tools.lib import *

Dict Tools

• sort_by_val
  • Sorts dictionary by values, expects dictionary with a depth of 1

    >>> obj = {'a': 3, 'b': 1, 'c': 2}
    >>> obj.sort_by_val(sort_type='int')
    {'b': 1, 'c': 2, 'a': 3}
    

  • Arguments
    • self: dictionary
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • sort_type: string ('string')
      • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
      • Date Type is a string representing a date
      • Data does not need to match type i.e. a string with an int value '1'
      • Returns original data type
    • date_input: string ('mdy')
      • Date input format
      • i.e. 'ymd', 'mdy', etc.
  • Returns sorted dict
• sort_by_key
  • Sorts dictionary by keys, expects dictionary with a depth of 1

     >>> obj = {'c': 1, 'a': 3, 'b': 2}
     >>> obj.sort_by_key(sort_type='string')
     {'a': 3, 'b': 2, 'c': 1}
    

  • Arguments
    • self: dictionary
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • sort_type: string ('string')
      • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
      • Date Type is a string representing a date
      • Data does not need to match type i.e. a string with an int value '1'
      • Returns original data type
    • date_input: string ('mdy')
      • Date input format
      • i.e. 'ymd', 'mdy', etc.
  • Returns sorted dict
• nested_sort
  • Sorts dictionary by nested key value

     >>> obj = {'a': {'b': {'c': 2}}, 'b': {'b': {'c': 1}}}
     >>> obj.nested_sort(nested_args=[{'keys': ['b', 'c'], 'sort_type': 'int'}])
     {'b': {'b': {'c': 1}}, 'a': {'b': {'c': 2}}}
    

  • Arguments
    • self: dictionary
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • nested_args: list
      • List of sort argument dicts, can include multiple to sort by multiple nested keys respectively
      • Args
        • keys: list
          • list of nested keys respectively i.e. ['b', 'c', 'd'] will sort by key ['b']['c']['d']
        • sort_type: string ('string')
          • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
          • Date Type is a string representing a date
          • Data does not need to match type i.e. a string with an int value '1'
          • Returns original data type
        • date_input: string ('mdy')
          • Date input format
          • i.e. 'ymd', 'mdy', etc.
  • Returns sorted dict

List Tools

• sort_by_val
  • Sorts list of dictionaries by values, expects dictionaries with a depth of 1

    >>> li = [{'a': 3}, {'b': 1}, {'c': 2}]
    >>> li.sort_by_val(sort_type='int')
    [{'b': 1}, {'c': 2}, {'a': 3}]
    

  • Arguments
    • self: list
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • sort_type: string ('string')
      • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
      • Date Type is a string representing a date
      • Data does not need to match type i.e. a string with an int value '1'
      • Returns original data type
    • date_input: string ('mdy')
      • Date input format
      • i.e. 'ymd', 'mdy', etc.
  • Returns sorted list
• sort_by_key
  • Sorts list of dictionaries by keys, expects dictionaries with a depth of 1

     >>> li = [{'c': 1}, {'a': 3}, {'b': 2}]
     >>> li.sort_by_key(sort_type='string')
     [{'a': 3}, {'b': 2}, {'c': 1}]
    

  • Arguments
    • self: list
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • sort_type: string ('string')
      • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
      • Date Type is a string representing a date
      • Data does not need to match type i.e. a string with an int value '1'
      • Returns original data type
    • date_input: string ('mdy')
      • Date input format
      • i.e. 'ymd', 'mdy', etc.
  • Returns sorted list
• sort_by_key_val
  • Sorts list of dictionaries by specific key value, expects dictionaries with a depth of 1

     >>> li = [{'a': 1, 'b': 2}, {'a': 2, 'b': 1}]
     >>> li.sort_by_key_val(key='b', sort_type='string')
     [{'a': 2, 'b': 1}, {'a': 1, 'b': 2}]
    

  • Arguments
    • self: list
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • sort_type: string ('string')
      • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
      • Date Type is a string representing a date
      • Data does not need to match type i.e. a string with an int value '1'
      • Returns original data type
    • date_input: string ('mdy')
      • Date input format
      • i.e. 'ymd', 'mdy', etc.
  • Returns sorted list
• nested_sort
  • Sorts list of dictionaries by nested key value

     >>> li = [{'a': {'b': {'c': 2}}}, {'b': {'b': {'c': 1}}}]
     >>> li.nested_sort(nested_args=[{'keys': ['b', 'c'], 'sort_type': 'int'}])
     [{'b': {'b': {'c': 1}}}, {'a': {'b': {'c': 2}}}]
    

  • Arguments
    • self: list
    • asc: boolean (True)
      • Ascending order when True, Descending when False
    • nested_args: list
      • List of sort argument dicts, can include multiple to sort by multiple nested keys respectively
      • Args
        • keys: list
          • list of nested keys respectively i.e. ['b', 'c', 'd'] will sort by key ['b']['c']['d']
        • sort_type: string ('string')
          • Data Type for sort, includes 'string', 'int', 'float', and 'date' types
          • Date Type is a string representing a date
          • Data does not need to match type i.e. a string with an int value '1'
          • Returns original data type
        • date_input: string ('mdy')
          • Date input format
          • i.e. 'ymd', 'mdy', etc.
  • Returns sorted list

String Tools

• replace_multiple
  • Replace multiple substrings or characters in a string with their respective replacements

     >>> 'The Apple is Red'.replace_multiple({'Apple': 'Grass', 'Red': 'Green'})
     'The Grass is Green'
    

  • Arguments
    • self: string
    • dictionary: dict
      • dict keys are the values to replace, and key values will be their respective replacements in the string
  • Returns string with replacements
• format_date
  • Formats string representing date in multiple formats

     >>> '1/01/75'.format_date(date_input='mdy', date_format='mmddyyyy', delimiter='-')
     '01-01-1975'
    

  • Arguments
    • self: string
    • date_input: string ('mdy')
      • date input order, i.e. 'mdy' for month, day, year, and 'ymd' for year, month, day
    • date_format string ('mmddyy')
      • date output format, the number of each letter correspond to date digits, i.e. a date with 'mmddyyyy' will have 4 digits for year while a date with 'mmddyy' will only have 2 digits for year
    • delimiter: string ('')
      • delimiter for date output, i.e. '/' yields 01/01/2019
  • Returns formatted date string
• find_nth
  • Find nth occurence of substring in string

     >>> 'apple picking'.find_nth('p', 3)
     11
    

  • Arguments
    • self: string
    • string: string
      • substring to search in string
    • n: int
      • 1-based occurence number of substring to find in string.
  • Returns int index
• b64_enc
  • Base64 encode string

   >>> 'plain_text'.b64_enc()
   'cGxhaW5fdGV4dA=='
  

  • Arguments
    • self: string
  • Returns string
• b64_dec
  • Base64 decode string

   >>> 'cGxhaW5fdGV4dA=='.b64_dec()
   'plain_text'
  

  • Arguments
    • self: string
  • Returns string
• get_iso_date
  • Get ISO Date from string

   >>> '2019-05-27T19:09:04.285211Z'.get_iso_date()
   {'date': '05/27/2019', 'time': '19:09:04', 'micros': '285211', 'date_and_time': '05/27/2019-19:09:04', 'full_date': '05/27/2019-19:09:04.285211'}
  

  • Arguments
    • self: string
    • iso_format: string, ISO datetime format for strftime
    • date_format: string, date output format
    • delimiter: string, date output delimiter
  • Returns dict

Float Tools

• round
  • Round value to n decimal places (scientific rounding, fixes python rounding errors)

     >>> 4.055.round(2)
     4.06
     >>> 4.054(2)
     4.05
    

  • Arguments
    • self: float
    • places: int (2)
      • Number of places to round to
  • Returns rounded float