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"""About Dialog for IDLE
"""
import os
import sys
import webbrowser
from platform import python_version, architecture
from tkinter import Toplevel, Frame, Label, Button, PhotoImage
from tkinter import SUNKEN, TOP, BOTTOM, LEFT, X, BOTH, W, EW, NSEW, E
from idlelib import textview
pyver = python_version()
if sys.platform == 'darwin':
bits = '64' if sys.maxsize > 2**32 else '32'
else:
bits = architecture()[0][:2]
class AboutDialog(Toplevel):
"""Modal about dialog for idle
"""
def __init__(self, parent, title=None, *, _htest=False, _utest=False):
"""Create popup, do not return until tk widget destroyed.
parent - parent of this dialog
title - string which is title of popup dialog
_htest - bool, change box location when running htest
_utest - bool, don't wait_window when running unittest
"""
Toplevel.__init__(self, parent)
self.configure(borderwidth=5)
# place dialog below parent if running htest
self.geometry("+%d+%d" % (
parent.winfo_rootx()+30,
parent.winfo_rooty()+(30 if not _htest else 100)))
self.bg = "#bbbbbb"
self.fg = "#000000"
self.create_widgets()
self.resizable(height=False, width=False)
self.title(title or
f'About IDLE {pyver} ({bits} bit)')
self.transient(parent)
self.grab_set()
self.protocol("WM_DELETE_WINDOW", self.ok)
self.parent = parent
self.button_ok.focus_set()
self.bind('<Return>', self.ok) # dismiss dialog
self.bind('<Escape>', self.ok) # dismiss dialog
self._current_textview = None
self._utest = _utest
if not _utest:
self.deiconify()
self.wait_window()
def create_widgets(self):
frame = Frame(self, borderwidth=2, relief=SUNKEN)
frame_buttons = Frame(self)
frame_buttons.pack(side=BOTTOM, fill=X)
frame.pack(side=TOP, expand=True, fill=BOTH)
self.button_ok = Button(frame_buttons, text='Close',
command=self.ok)
self.button_ok.pack(padx=5, pady=5)
frame_background = Frame(frame, bg=self.bg)
frame_background.pack(expand=True, fill=BOTH)
header = Label(frame_background, text='IDLE', fg=self.fg,
bg=self.bg, font=('courier', 24, 'bold'))
header.grid(row=0, column=0, sticky=E, padx=10, pady=10)
tkpatch = self._root().getvar('tk_patchLevel')
ext = '.png' if tkpatch >= '8.6' else '.gif'
icon = os.path.join(os.path.abspath(os.path.dirname(__file__)),
'Icons', f'idle_48{ext}')
self.icon_image = PhotoImage(master=self._root(), file=icon)
logo = Label(frame_background, image=self.icon_image, bg=self.bg)
logo.grid(row=0, column=0, sticky=W, rowspan=2, padx=10, pady=10)
byline_text = "Python's Integrated Development\nand Learning Environment" + 5*'\n'
byline = Label(frame_background, text=byline_text, justify=LEFT,
fg=self.fg, bg=self.bg)
byline.grid(row=2, column=0, sticky=W, columnspan=3, padx=10, pady=5)
email = Label(frame_background, text='email: idle-dev@python.org',
justify=LEFT, fg=self.fg, bg=self.bg)
email.grid(row=6, column=0, columnspan=2, sticky=W, padx=10, pady=0)
docs_url = ("https://docs.python.org/%d.%d/library/idle.html" %
sys.version_info[:2])
docs = Label(frame_background, text=docs_url,
justify=LEFT, fg=self.fg, bg=self.bg)
docs.grid(row=7, column=0, columnspan=2, sticky=W, padx=10, pady=0)
docs.bind("<Button-1>", lambda event: webbrowser.open(docs['text']))
Frame(frame_background, borderwidth=1, relief=SUNKEN,
height=2, bg=self.bg).grid(row=8, column=0, sticky=EW,
columnspan=3, padx=5, pady=5)
tclver = str(self.info_patchlevel())
tkver = ' and ' + tkpatch if tkpatch != tclver else ''
versions = f"Python {pyver} with tcl/tk {tclver}{tkver}"
vers = Label(frame_background, text=versions, fg=self.fg, bg=self.bg)
vers.grid(row=9, column=0, sticky=W, padx=10, pady=0)
py_buttons = Frame(frame_background, bg=self.bg)
py_buttons.grid(row=10, column=0, columnspan=2, sticky=NSEW)
self.py_license = Button(py_buttons, text='License', width=8,
highlightbackground=self.bg,
command=self.show_py_license)
self.py_license.pack(side=LEFT, padx=10, pady=10)
self.py_copyright = Button(py_buttons, text='Copyright', width=8,
highlightbackground=self.bg,
command=self.show_py_copyright)
self.py_copyright.pack(side=LEFT, padx=10, pady=10)
self.py_credits = Button(py_buttons, text='Credits', width=8,
highlightbackground=self.bg,
command=self.show_py_credits)
self.py_credits.pack(side=LEFT, padx=10, pady=10)
Frame(frame_background, borderwidth=1, relief=SUNKEN,
height=2, bg=self.bg).grid(row=11, column=0, sticky=EW,
columnspan=3, padx=5, pady=5)
idle = Label(frame_background,
text='IDLE',
fg=self.fg, bg=self.bg)
idle.grid(row=12, column=0, sticky=W, padx=10, pady=0)
idle_buttons = Frame(frame_background, bg=self.bg)
idle_buttons.grid(row=13, column=0, columnspan=3, sticky=NSEW)
self.readme = Button(idle_buttons, text='Readme', width=8,
highlightbackground=self.bg,
command=self.show_readme)
self.readme.pack(side=LEFT, padx=10, pady=10)
self.idle_news = Button(idle_buttons, text='News', width=8,
highlightbackground=self.bg,
command=self.show_idle_news)
self.idle_news.pack(side=LEFT, padx=10, pady=10)
self.idle_credits = Button(idle_buttons, text='Credits', width=8,
highlightbackground=self.bg,
command=self.show_idle_credits)
self.idle_credits.pack(side=LEFT, padx=10, pady=10)
# License, copyright, and credits are of type _sitebuiltins._Printer
def show_py_license(self):
"Handle License button event."
self.display_printer_text('About - License', license)
def show_py_copyright(self):
"Handle Copyright button event."
self.display_printer_text('About - Copyright', copyright)
def show_py_credits(self):
"Handle Python Credits button event."
self.display_printer_text('About - Python Credits', credits)
# Encode CREDITS.txt to utf-8 for proper version of Loewis.
# Specify others as ascii until need utf-8, so catch errors.
def show_idle_credits(self):
"Handle Idle Credits button event."
self.display_file_text('About - Credits', 'CREDITS.txt', 'utf-8')
def show_readme(self):
"Handle Readme button event."
self.display_file_text('About - Readme', 'README.txt', 'ascii')
def show_idle_news(self):
"Handle News button event."
self.display_file_text('About - News', 'News3.txt', 'utf-8')
def display_printer_text(self, title, printer):
"""Create textview for built-in constants.
Built-in constants have type _sitebuiltins._Printer. The
text is extracted from the built-in and then sent to a text
viewer with self as the parent and title as the title of
the popup.
"""
printer._Printer__setup()
text = '\n'.join(printer._Printer__lines)
self._current_textview = textview.view_text(
self, title, text, _utest=self._utest)
def display_file_text(self, title, filename, encoding=None):
"""Create textview for filename.
The filename needs to be in the current directory. The path
is sent to a text viewer with self as the parent, title as
the title of the popup, and the file encoding.
"""
fn = os.path.join(os.path.abspath(os.path.dirname(__file__)), filename)
self._current_textview = textview.view_file(
self, title, fn, encoding, _utest=self._utest)
def ok(self, event=None):
"Dismiss help_about dialog."
self.grab_release()
self.destroy()
if __name__ == '__main__':
from unittest import main
main('idlelib.idle_test.test_help_about', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(AboutDialog)
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