mirror of https://github.com/python/cpython
187 lines
8.0 KiB
Python
187 lines
8.0 KiB
Python
"""About Dialog for IDLE
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"""
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import os
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from sys import version
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from tkinter import Toplevel, Frame, Label, Button
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from tkinter import SUNKEN, TOP, BOTTOM, LEFT, X, BOTH, W, EW, NSEW
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from idlelib import textview
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class AboutDialog(Toplevel):
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"""Modal about dialog for idle
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"""
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def __init__(self, parent, title, _htest=False, _utest=False):
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"""Create popup, do not return until tk widget destroyed.
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parent - parent of this dialog
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title - string which is title of popup dialog
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_htest - bool, change box location when running htest
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_utest - bool, don't wait_window when running unittest
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"""
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Toplevel.__init__(self, parent)
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self.configure(borderwidth=5)
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# place dialog below parent if running htest
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self.geometry("+%d+%d" % (
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parent.winfo_rootx()+30,
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parent.winfo_rooty()+(30 if not _htest else 100)))
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self.bg = "#707070"
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self.fg = "#ffffff"
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self.create_widgets()
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self.resizable(height=False, width=False)
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self.title(title)
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self.transient(parent)
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self.grab_set()
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self.protocol("WM_DELETE_WINDOW", self.ok)
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self.parent = parent
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self.button_ok.focus_set()
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self.bind('<Return>', self.ok) # dismiss dialog
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self.bind('<Escape>', self.ok) # dismiss dialog
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self._current_textview = None
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self._utest = _utest
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if not _utest:
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self.deiconify()
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self.wait_window()
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def create_widgets(self):
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release = version[:version.index(' ')]
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frame = Frame(self, borderwidth=2, relief=SUNKEN)
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frame_buttons = Frame(self)
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frame_buttons.pack(side=BOTTOM, fill=X)
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frame.pack(side=TOP, expand=True, fill=BOTH)
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self.button_ok = Button(frame_buttons, text='Close',
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command=self.ok)
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self.button_ok.pack(padx=5, pady=5)
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frame_background = Frame(frame, bg=self.bg)
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frame_background.pack(expand=True, fill=BOTH)
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header = Label(frame_background, text='IDLE', fg=self.fg,
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bg=self.bg, font=('courier', 24, 'bold'))
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header.grid(row=0, column=0, sticky=W, padx=10, pady=10)
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byline_text = "Python's Integrated DeveLopment Environment" + 5*'\n'
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byline = Label(frame_background, text=byline_text, justify=LEFT,
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fg=self.fg, bg=self.bg)
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byline.grid(row=2, column=0, sticky=W, columnspan=3, padx=10, pady=5)
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email = Label(frame_background, text='email: idle-dev@python.org',
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justify=LEFT, fg=self.fg, bg=self.bg)
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email.grid(row=6, column=0, columnspan=2, sticky=W, padx=10, pady=0)
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docs = Label(frame_background, text='https://docs.python.org/' +
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version[:3] + '/library/idle.html',
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justify=LEFT, fg=self.fg, bg=self.bg)
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docs.grid(row=7, column=0, columnspan=2, sticky=W, padx=10, pady=0)
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Frame(frame_background, borderwidth=1, relief=SUNKEN,
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height=2, bg=self.bg).grid(row=8, column=0, sticky=EW,
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columnspan=3, padx=5, pady=5)
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pyver = Label(frame_background, text='Python version: ' + release,
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fg=self.fg, bg=self.bg)
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pyver.grid(row=9, column=0, sticky=W, padx=10, pady=0)
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tk_patchlevel = self.tk.call('info', 'patchlevel')
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tkver = Label(frame_background, text='Tk version: ' + tk_patchlevel,
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fg=self.fg, bg=self.bg)
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tkver.grid(row=9, column=1, sticky=W, padx=2, pady=0)
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py_buttons = Frame(frame_background, bg=self.bg)
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py_buttons.grid(row=10, column=0, columnspan=2, sticky=NSEW)
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self.py_license = Button(py_buttons, text='License', width=8,
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highlightbackground=self.bg,
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command=self.show_py_license)
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self.py_license.pack(side=LEFT, padx=10, pady=10)
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self.py_copyright = Button(py_buttons, text='Copyright', width=8,
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highlightbackground=self.bg,
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command=self.show_py_copyright)
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self.py_copyright.pack(side=LEFT, padx=10, pady=10)
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self.py_credits = Button(py_buttons, text='Credits', width=8,
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highlightbackground=self.bg,
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command=self.show_py_credits)
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self.py_credits.pack(side=LEFT, padx=10, pady=10)
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Frame(frame_background, borderwidth=1, relief=SUNKEN,
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height=2, bg=self.bg).grid(row=11, column=0, sticky=EW,
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columnspan=3, padx=5, pady=5)
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idlever = Label(frame_background, text='IDLE version: ' + release,
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fg=self.fg, bg=self.bg)
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idlever.grid(row=12, column=0, sticky=W, padx=10, pady=0)
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idle_buttons = Frame(frame_background, bg=self.bg)
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idle_buttons.grid(row=13, column=0, columnspan=3, sticky=NSEW)
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self.readme = Button(idle_buttons, text='README', width=8,
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highlightbackground=self.bg,
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command=self.show_readme)
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self.readme.pack(side=LEFT, padx=10, pady=10)
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self.idle_news = Button(idle_buttons, text='NEWS', width=8,
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highlightbackground=self.bg,
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command=self.show_idle_news)
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self.idle_news.pack(side=LEFT, padx=10, pady=10)
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self.idle_credits = Button(idle_buttons, text='Credits', width=8,
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highlightbackground=self.bg,
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command=self.show_idle_credits)
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self.idle_credits.pack(side=LEFT, padx=10, pady=10)
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# License, copyright, and credits are of type _sitebuiltins._Printer
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def show_py_license(self):
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"Handle License button event."
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self.display_printer_text('About - License', license)
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def show_py_copyright(self):
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"Handle Copyright button event."
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self.display_printer_text('About - Copyright', copyright)
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def show_py_credits(self):
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"Handle Python Credits button event."
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self.display_printer_text('About - Python Credits', credits)
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# Encode CREDITS.txt to utf-8 for proper version of Loewis.
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# Specify others as ascii until need utf-8, so catch errors.
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def show_idle_credits(self):
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"Handle Idle Credits button event."
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self.display_file_text('About - Credits', 'CREDITS.txt', 'utf-8')
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def show_readme(self):
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"Handle Readme button event."
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self.display_file_text('About - Readme', 'README.txt', 'ascii')
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def show_idle_news(self):
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"Handle News button event."
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self.display_file_text('About - NEWS', 'NEWS.txt', 'utf-8')
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def display_printer_text(self, title, printer):
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"""Create textview for built-in constants.
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Built-in constants have type _sitebuiltins._Printer. The
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text is extracted from the built-in and then sent to a text
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viewer with self as the parent and title as the title of
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the popup.
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"""
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printer._Printer__setup()
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text = '\n'.join(printer._Printer__lines)
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self._current_textview = textview.view_text(
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self, title, text, _utest=self._utest)
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def display_file_text(self, title, filename, encoding=None):
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"""Create textview for filename.
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The filename needs to be in the current directory. The path
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is sent to a text viewer with self as the parent, title as
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the title of the popup, and the file encoding.
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"""
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fn = os.path.join(os.path.abspath(os.path.dirname(__file__)), filename)
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self._current_textview = textview.view_file(
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self, title, fn, encoding, _utest=self._utest)
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def ok(self, event=None):
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"Dismiss help_about dialog."
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self.destroy()
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if __name__ == '__main__':
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import unittest
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unittest.main('idlelib.idle_test.test_help_about', verbosity=2, exit=False)
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from idlelib.idle_test.htest import run
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run(AboutDialog)
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