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#!/usr/bin/env python3
"""
Example demonstrating how to use selectui as a library.
This shows various ways to integrate SelectUI into your Python applications.
"""
import sys
from selectui import SelectUI
def example_basic():
"""Basic usage: simple item selection."""
print("Example 1: Basic item selection\n", file=sys.stderr)
items = [
{"title": "Python", "subtitle": "High-level programming language"},
{"title": "JavaScript", "subtitle": "Dynamic web programming language"},
{"title": "Rust", "subtitle": "Systems programming language"},
{"title": "Go", "subtitle": "Concurrent programming language"},
{"title": "Java", "subtitle": "Object-oriented programming language"},
]
app = SelectUI(
items=items,
oneshot=True,
title_key="title",
subtitle_key="subtitle"
)
app.run()
if app.selected_item:
print(f"\nYou selected: {app.selected_item['title']}", file=sys.stderr)
return app.selected_item
return None
def example_custom_keys():
"""Using custom keys for title/subtitle."""
print("Example 2: Custom keys for title/subtitle\n", file=sys.stderr)
items = [
{"name": "Alice", "role": "Engineer", "department": "Backend"},
{"name": "Bob", "role": "Designer", "department": "Product"},
{"name": "Charlie", "role": "Manager", "department": "Engineering"},
{"name": "Diana", "role": "Developer", "department": "Frontend"},
]
app = SelectUI(
items=items,
oneshot=True,
title_key="name",
subtitle_key="role",
info_key="department"
)
app.run()
if app.selected_item:
print(f"\nYou selected: {app.selected_item['name']}", file=sys.stderr)
return app.selected_item
return None
def example_continuous_mode():
"""Continuous selection mode (not oneshot)."""
print("Example 3: Continuous selection mode\n", file=sys.stderr)
print("Press Enter multiple times to select items, q/Esc to quit\n", file=sys.stderr)
items = [
{"title": "Item 1", "value": "A"},
{"title": "Item 2", "value": "B"},
{"title": "Item 3", "value": "C"},
{"title": "Item 4", "value": "D"},
]
# Capture selections to a list
selections = []
def capture_selection(item):
selections.append(item)
app = SelectUI(
items=items,
oneshot=False, # Allow multiple selections
title_key="title"
)
app.run()
print(f"\nTotal selections made: {len(selections)}", file=sys.stderr)
return selections
def example_events_mode():
"""Events mode with custom key handlers."""
print("Example 4: Events mode\n", file=sys.stderr)
print("Press Ctrl+D to delete, Ctrl+E to edit, Enter to select\n", file=sys.stderr)
items = [
{"title": "Task 1", "status": "pending"},
{"title": "Task 2", "status": "in-progress"},
{"title": "Task 3", "status": "completed"},
]
app = SelectUI(
items=items,
oneshot=False,
events_mode=True,
title_key="title",
subtitle_key="status"
)
app.run()
def example_single_line():
"""Single-line display (no subtitle)."""
print("Example 5: Single-line display\n", file=sys.stderr)
items = [
{"filename": "config.json"},
{"filename": "package.json"},
{"filename": "README.md"},
{"filename": "setup.py"},
]
app = SelectUI(
items=items,
oneshot=True,
title_key="filename",
subtitle_key=None # No subtitle = single-line display
)
app.run()
if app.selected_item:
print(f"\nYou selected: {app.selected_item['filename']}", file=sys.stderr)
return app.selected_item
return None
def example_command_mode():
"""Command mode with dynamic item generation."""
print("Example 6: Command mode with dynamic search\n", file=sys.stderr)
print("Type to search, Tab to switch between input/search modes\n", file=sys.stderr)
# Use find command to search for files
# The {} will be replaced with user input
app = SelectUI(
items=[],
oneshot=True,
command_template='find . -type f -name "*{}*" 2>/dev/null | head -20 | while read f; do echo "{\\"title\\": \\"$f\\"}"; done'
)
app.run()
if app.selected_item:
print(f"\nYou selected: {app.selected_item.get('title', 'N/A')}", file=sys.stderr)
return app.selected_item
return None
def main():
"""Run examples based on command line argument."""
if len(sys.argv) < 2:
print("Usage: python library_usage.py <example_number>", file=sys.stderr)
print("\nAvailable examples:", file=sys.stderr)
print(" 1 - Basic item selection", file=sys.stderr)
print(" 2 - Custom keys for title/subtitle", file=sys.stderr)
print(" 3 - Continuous selection mode", file=sys.stderr)
print(" 4 - Events mode", file=sys.stderr)
print(" 5 - Single-line display", file=sys.stderr)
print(" 6 - Command mode with dynamic search", file=sys.stderr)
sys.exit(1)
example_num = sys.argv[1]
examples = {
"1": example_basic,
"2": example_custom_keys,
"3": example_continuous_mode,
"4": example_events_mode,
"5": example_single_line,
"6": example_command_mode,
}
if example_num not in examples:
print(f"Error: Example {example_num} not found", file=sys.stderr)
sys.exit(1)
# Run the selected example
result = examples[example_num]()
# Output result as JSON to stdout (if any)
if result:
import json
print(json.dumps(result, indent=2))
if __name__ == "__main__":
main()
|
