my own examples of console UI application
from prompt_toolkit import prompt
from prompt_toolkit.history import FileHistory
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
while 1:
user_input = prompt('>',
history=FileHistory('history.txt'),
auto_suggest=AutoSuggestFromHistory(),
)
print(user_input)from prompt_toolkit import prompt
from prompt_toolkit.history import FileHistory
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
from prompt_toolkit.contrib.completers import WordCompleter
SQLCompleter = WordCompleter(['select', 'from', 'insert', 'update', 'delete', 'drop'],
ignore_case=True)
while 1:
user_input = prompt('SQL>',
history=FileHistory('history.txt'),
auto_suggest=AutoSuggestFromHistory(),
completer=SQLCompleter,
)
print(user_input)pip install clickfrom prompt_toolkit import prompt
from prompt_toolkit.history import FileHistory
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
from prompt_toolkit.contrib.completers import WordCompleter
import click
SQLCompleter = WordCompleter(['select', 'from', 'insert', 'update', 'delete', 'drop'],
ignore_case=True)
while 1:
user_input = prompt(u'SQL>',
history=FileHistory('history.txt'),
auto_suggest=AutoSuggestFromHistory(),
completer=SQLCompleter,
)
click.echo_via_pager(user_input)import click
message = click.edit()import click
@click.group()
def main():
pass
@main.command()
@click.option("--a", prompt=" Enter the first number", type=int)
@click.option("--b", prompt=" Enter the second number", type=int)
def add(a, b):
value = a + b
click.echo(" The added value {}".format(value))
@main.command()
@click.option("--a", prompt=" Enter the first number", type=int)
@click.option("--b", prompt=" Enter the second number", type=int)
def sub(a, b):
value = a - b
click.echo(" The difference is {}".format(value))
@main.command()
@click.option("--a", prompt=" Enter the first number", type=int)
@click.option("--b", prompt=" Enter the second number", type=int)
def mul(a, b):
value = a * b
click.echo(" The multiplied value {}".format(value))
@main.command()
@click.option("--a", prompt=" Enter the first number", type=int)
@click.option("--b", prompt=" Enter the second number", type=int)
def div(a, b):
value = a / b
click.echo(" The value {}".format(value))
if __name__ == "__main__":
main()pip install fuzzyfinderfrom prompt_toolkit import prompt
from prompt_toolkit.history import FileHistory
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
from prompt_toolkit.completion import Completer, Completion
import click
from fuzzyfinder import fuzzyfinder
SQLKeywords = ['select', 'from', 'insert', 'update', 'delete', 'drop']
class SQLCompleter(Completer):
def get_completions(self, document, complete_event):
word_before_cursor = document.get_word_before_cursor(WORD=True)
matches = fuzzyfinder(word_before_cursor, SQLKeywords)
for m in matches:
yield Completion(m, start_position=-len(word_before_cursor))
while 1:
user_input = prompt(u'SQL>',
history=FileHistory('history.txt'),
auto_suggest=AutoSuggestFromHistory(),
completer=SQLCompleter(),
)
click.echo_via_pager(user_input)pip install pygmentsfrom prompt_toolkit import prompt
from prompt_toolkit.history import FileHistory
from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
from prompt_toolkit.completion import Completer, Completion
import click
from fuzzyfinder import fuzzyfinder
from pygments.lexers.sql import SqlLexer
SQLKeywords = ['select', 'from', 'insert', 'update', 'delete', 'drop']
class SQLCompleter(Completer):
def get_completions(self, document, complete_event):
word_before_cursor = document.get_word_before_cursor(WORD=True)
matches = fuzzyfinder(word_before_cursor, SQLKeywords)
for m in matches:
yield Completion(m, start_position=-len(word_before_cursor))
while 1:
user_input = prompt(u'SQL>',
history=FileHistory('history.txt'),
auto_suggest=AutoSuggestFromHistory(),
completer=SQLCompleter(),
lexer=SqlLexer,
)
click.echo_via_pager(user_input)from __future__ import print_function, unicode_literals
from PyInquirer import style_from_dict, Token, prompt, Separator
from pprint import pprint
style = style_from_dict({
Token.Separator: '#cc5454',
Token.QuestionMark: '#673ab7 bold',
Token.Selected: '#cc5454', # default
Token.Pointer: '#673ab7 bold',
Token.Instruction: '', # default
Token.Answer: '#f44336 bold',
Token.Question: '',
})
questions = [
{
'type': 'checkbox',
'message': 'Select toppings',
'name': 'toppings',
'choices': [
Separator('= The Meats ='),
{
'name': 'Ham'
},
{
'name': 'Ground Meat'
},
{
'name': 'Bacon'
},
Separator('= The Cheeses ='),
{
'name': 'Mozzarella',
'checked': True
},
{
'name': 'Cheddar'
},
{
'name': 'Parmesan'
},
Separator('= The usual ='),
{
'name': 'Mushroom'
},
{
'name': 'Tomato'
},
{
'name': 'Pepperoni'
},
Separator('= The extras ='),
{
'name': 'Pineapple'
},
{
'name': 'Olives',
'disabled': 'out of stock'
},
{
'name': 'Extra cheese'
}
],
'validate': lambda answer: 'You must choose at least one topping.' \
if len(answer) == 0 else True
}
]
answers = prompt(questions, style=style)
pprint(answers)from PyInquirer import prompt
from examples import custom_style_2
from prompt_toolkit.validation import Validator, ValidationError
class NumberValidator(Validator):
def validate(self, document):
try:
int(document.text)
except ValueError:
raise ValidationError(message="Please enter a number",
cursor_position=len(document.text))
questions = [
{
'type': 'list',
'name': 'user_option',
'message': 'Welcome to simple calculator',
'choices': ["sum","difference","product", "divide"]
},
{
'type': "input",
"name": "a",
"message": "Enter the first number",
"validate": NumberValidator,
"filter": lambda val: int(val)
},
{
'type': "input",
"name": "b",
"message": "Enter the second number",
"validate": NumberValidator,
"filter": lambda val: int(val)
}
]
def add(a, b):
print(a + b)
def difference(a, b):
print(a - b)
def product(a, b):
print(a * b)
def divide(a, b):
print(a / b)
def main():
answers = prompt(questions, style=custom_style_2)
a = answers.get("a")
b = answers.get("b")
if answers.get("user_option") == "sum":
add(a, b)
elif answers.get("user_option") == "difference":
difference(a, b)
elif answers.get("user_option") == "product":
product(a, b)
elif answers.get("user_option") == "divide":
divide(a, b)
if __name__ == "__main__":
main()for building interactive applications