Skip to content

[3.7] bpo-33610: validate non-negative integer inputs in IDLE's config (GH-14822) #14914

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Jul 23, 2019
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
38 changes: 31 additions & 7 deletions Lib/idlelib/configdialog.py
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@
Refer to comments in EditorWindow autoindent code for details.

"""
import re

from tkinter import (Toplevel, Listbox, Text, Scale, Canvas,
StringVar, BooleanVar, IntVar, TRUE, FALSE,
TOP, BOTTOM, RIGHT, LEFT, SOLID, GROOVE,
Expand Down Expand Up @@ -1764,9 +1766,18 @@ class GenPage(Frame):

def __init__(self, master):
super().__init__(master)

self.init_validators()
self.create_page_general()
self.load_general_cfg()

def init_validators(self):
digits_or_empty_re = re.compile(r'[0-9]*')
def is_digits_or_empty(s):
"Return 's is blank or contains only digits'"
return digits_or_empty_re.fullmatch(s) is not None
self.digits_only = (self.register(is_digits_or_empty), '%P',)

def create_page_general(self):
"""Return frame of widgets for General tab.

Expand Down Expand Up @@ -1883,16 +1894,23 @@ def create_page_general(self):
frame_win_size, text='Initial Window Size (in characters)')
win_width_title = Label(frame_win_size, text='Width')
self.win_width_int = Entry(
frame_win_size, textvariable=self.win_width, width=3)
frame_win_size, textvariable=self.win_width, width=3,
validatecommand=self.digits_only, validate='key',
)
win_height_title = Label(frame_win_size, text='Height')
self.win_height_int = Entry(
frame_win_size, textvariable=self.win_height, width=3)
frame_win_size, textvariable=self.win_height, width=3,
validatecommand=self.digits_only, validate='key',
)

frame_autocomplete = Frame(frame_window, borderwidth=0,)
auto_wait_title = Label(frame_autocomplete,
text='Completions Popup Wait (milliseconds)')
self.auto_wait_int = Entry(frame_autocomplete, width=6,
textvariable=self.autocomplete_wait)
textvariable=self.autocomplete_wait,
validatecommand=self.digits_only,
validate='key',
)

frame_paren1 = Frame(frame_window, borderwidth=0)
paren_style_title = Label(frame_paren1, text='Paren Match Style')
Expand Down Expand Up @@ -1922,20 +1940,26 @@ def create_page_general(self):
format_width_title = Label(frame_format,
text='Format Paragraph Max Width')
self.format_width_int = Entry(
frame_format, textvariable=self.format_width, width=4)
frame_format, textvariable=self.format_width, width=4,
validatecommand=self.digits_only, validate='key',
)

frame_context = Frame(frame_editor, borderwidth=0)
context_title = Label(frame_context, text='Max Context Lines :')
self.context_int = Entry(
frame_context, textvariable=self.context_lines, width=3)
frame_context, textvariable=self.context_lines, width=3,
validatecommand=self.digits_only, validate='key',
)

# Frame_shell.
frame_auto_squeeze_min_lines = Frame(frame_shell, borderwidth=0)
auto_squeeze_min_lines_title = Label(frame_auto_squeeze_min_lines,
text='Auto-Squeeze Min. Lines:')
self.auto_squeeze_min_lines_int = Entry(
frame_auto_squeeze_min_lines, width=4,
textvariable=self.auto_squeeze_min_lines)
frame_auto_squeeze_min_lines, width=4,
textvariable=self.auto_squeeze_min_lines,
validatecommand=self.digits_only, validate='key',
)

# frame_help.
frame_helplist = Frame(frame_help)
Expand Down