我用点击写了一个CLI。现在,我想知道是否有可能将其与Tkinter集成到GUI中。我知道有一些方法可以将控制台嵌入到Tkinter中,但我想明确地知道我的CLI是否有可能(通过“合理”的努力)。
所以我有个剧本:
@cli.command()
def myfunction()
print("My Stuff")现在我想要构建一个Tkinter,在这里我有一个命令行,所以如果我在那里输入myfunction,它调用并执行这个myfunction是可能的,还是应该只使用CLI下面的代码并使用它构建一个Tkinter,这是独立于CLI的吗?
发布于 2018-10-22 17:41:41
为了好玩,我刚刚做了这个tkinterify,它能满足你的要求。
import tkinter
import click
import sys
from io import StringIO
def tkinterify(cli_group, app_name="Tkinterified App"):
# Create and configure root
root = tkinter.Tk()
root.wm_title(app_name)
tkinter.Grid.rowconfigure(root, 0, weight=1)
tkinter.Grid.columnconfigure(root, 0, weight=1)
# Create and configure frame
frame = tkinter.Frame(root)
frame.grid(row=0, column=0, sticky="nsew")
frame.columnconfigure(0, weight=1)
frame.columnconfigure(1, weight=1)
frame.columnconfigure(2, weight=1)
frame.rowconfigure(0, weight=1)
frame.rowconfigure(1, weight=1)
initial_output = "Valid commands:\n"
initial_command_name_list = list(cli_group.commands.keys())
for available_command_name in initial_command_name_list:
initial_output = initial_output + " " + available_command_name + "\n"
initial_output = initial_output + "Ready for input."
# Some GUI widgets
run_string = tkinter.StringVar()
entry_run = tkinter.Entry(root, textvariable=run_string, width=50)
scrollbar_widget = tkinter.Scrollbar(root)
text_widget = tkinter.Text(root)
def clear_callback():
# Because the text widget is usually disabled, we have to explicitly enable it before we can write to it.
text_widget.config(state='normal')
text_widget.delete(1.0, tkinter.END)
text_widget.insert(tkinter.END, initial_output)
text_widget.config(state='disabled')
def run_callback():
command_args = []
try:
command_parts = run_string.get().split()
command_name = command_parts[0]
except IndexError:
return
if len(command_parts) > 1:
command_args = command_parts[1:]
if command_name:
try:
# Redirect stdout so we can read the output into a string for display within out GUI
real_stdout = sys.stdout
fake_stdout = StringIO()
sys.stdout.flush()
sys.stdout = fake_stdout
# Obtain list of available commands
available_commands = cli_group.commands
command_name_list = list(cli_group.commands.keys())
if command_name in command_name_list:
try:
# Make a fake context in which to run the command
context = available_commands[command_name].make_context("tkinter", command_args)
# Invoke the command within the fake context
available_commands[command_name].invoke(context)
except click.exceptions.UsageError as e:
print(e)
print(initial_output)
else:
print("Command not found.\n")
print(initial_output)
# Put stdout back
sys.stdout.flush()
sys.stdout = real_stdout
sys.stdout.flush()
output_string = fake_stdout.getvalue()
fake_stdout.close()
# Update the text output widget
text_widget.config(state='normal')
text_widget.delete(1.0, tkinter.END)
text_widget.insert(tkinter.END, output_string)
text_widget.config(state='disabled')
except IndexError:
pass
# More GUI widgets
button_run = tkinter.Button(root, text="Run", command=run_callback)
button_clear = tkinter.Button(root, text="Clear", command=clear_callback)
text_widget.delete(1.0, tkinter.END)
text_widget.insert(tkinter.END, initial_output)
entry_run.grid(row=0, column=0, sticky="new")
button_run.grid(row=0, column=1, sticky="n")
button_clear.grid(row=0, column=2, sticky="n")
text_widget.grid(row=1, column=0, columnspan=2, sticky="nsew")
scrollbar_widget.grid(row=1, column=2, sticky="ns")
scrollbar_widget.config(command=text_widget.yview)
text_widget.config(yscrollcommand=scrollbar_widget.set)
text_widget.config(state='disabled')
root.mainloop()我将其作为https://github.com/rbricheno/tkinterify放在github上,并举例如下:
import click
from tkinterify import tkinterify
@click.group()
def cli():
pass
@click.command()
def my_function():
print("My Stuff")
@click.command()
def my_other_function():
print("More Things")
cli.add_command(my_function)
cli.add_command(my_other_function)
tkinterify(cli)如果您的脚本输出很大,或者在其他方面比较复杂,您可能需要修改它。我还没有测试它是如何处理参数的。希望这能让你知道如何做你想做的事。
主要技巧是将我们的click命令添加到Group中。一旦它们被添加,我们就可以很容易地使用the_group.commands中的字典获得对它们的引用
https://stackoverflow.com/questions/52931235
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