FilesExpand file tree

 main

/

argparse-samples.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

executable file

·

91 lines (78 loc) · 2.95 KB

 main

/

argparse-samples.py

Copy path

Top

File metadata and controls

• Code
• Blame

executable file

·

91 lines (78 loc) · 2.95 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

#!/usr/bin/env python3

"""argparse-samples.py at https://github.com/wilsonmar/python-samples/blob/main/argparse-samples.py

STATUS: AttributeError: module 'argparse' has no attribute 'ArgumentParser'

"v002 + docstring desc :argparse-samples.py"

This program shows how to specify command line arguments into this program.

per https://docs.python.org/3/library/argparse.html#module-argparse

From https://github.com/JacobCallahan/Understanding/blob/master/Python/argparse_cli/pizza_builder.py

explained by John Callahan at https://www.youtube.com/watch?v=J51vxXAWigI and also:

https://www.youtube.com/watch?v=znuocj_7PMc by Real Python "Getting Started Building a Python CLI With argparse"

https://www.youtube.com/watch?v=88pl8TuuKz0 by NeuralNine

https://www.youtube.com/watch?v=w5Q_e4Nrw9c by Andrew Mallet

https://www.youtube.com/watch?v=aGy7U5ItLRk by Idently

https://www.youtube.com/watch?v=idq6rTYqvkY by codebasics

Tested on macOS 14.5 (23F79) using Python 3.13.

flake8 E501 line too long, E222 multiple spaces after operator

"""

# pip install argparse

import argparse

SIZES = {

"s": "Small",

"m": "Medium",

"l": "Large",

"xl": "Extra large",

"xxl": "Extra extra large"

}

CRUSTS = {"normal": "", "thin": " thin crust", "deep": " deep dish"}

def build_pizza(order):

pizza = f"{SIZES[order.size]}{CRUSTS[order.crust]}"

if order.toppings:

pizza += " with " + ", ".join(order.toppings)

if order.cheese:

pizza += " plus extra cheese"

if order.sauce:

pizza += " and extra sauce"

return pizza

if __name__ == "__main__":

parser = argparse.ArgumentParser()

# FIXME: AttributeError: module 'argparse' has no attribute 'ArgumentParser'

# parser = argparse.ArgumentParser(description="Welcome to the pizza builder, let's build a pizza!!")

# parser.add_argument('-f', '--foo', help='Description for foo argument', required=True)

parser.add_argument('-v', '--verbose', action='store_true', help="Increase output verbosity") # on/off flag

# See https://docs.python.org/3/library/argparse.html#action

parser.add_argument(

"size",

type=str,

choices=SIZES.keys(),

help="Size of your pizza"

)

parser.add_argument(

"crust",

type=str,

choices=CRUSTS.keys(),

help="Type of pizza crust"

)

parser.add_argument(

"-t", "--toppings",

type=str,

nargs="+",

help="One or more toppings for your pizza"

)

parser.add_argument(

"--extra-cheese",

action="store_true",

dest="cheese",

help="Add extra cheese to your pizza"

)

parser.add_argument(

"--extra-sauce",

action="store_true",

dest="sauce",

help="Add extra sauce to your pizza"

)

parsed_args = parser.parse_args()

pizza = build_pizza(parsed_args)

if args.verbose:

print(f"{args.x} {args.operation} {args.y} = {result}")

else:

print(f"Your pizza is: {pizza}!!")