cpython/Lib/idlelib/help.txt

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[See end for ** TIPS ]
Click on the dotted line at the top of a menu to "tear it off": a
separate window containing the menu is created.
File Menu:
New Window -- create a new editing window
Open... -- open an existing file
Recent Files... -- open a list of recent files
Open Module... -- open an existing module (searches sys.path)
Class Browser -- show classes and methods in current file
Path Browser -- show sys.path directories, modules, classes
and methods
---
Save -- save current window to the associated file (unsaved
windows have a * before and after the window title)
Save As... -- save current window to new file, which becomes
the associated file
Save Copy As... -- save current window to different file
without changing the associated file
---
Print Window -- print the current window
---
Close -- close current window (asks to save if unsaved)
Exit -- close all windows and quit IDLE (asks to save if unsaved)
Edit Menu:
Undo -- Undo last change to current window (max 1000 changes)
Redo -- Redo last undone change to current window
---
Cut -- Copy selection into system-wide clipboard; then delete selection
Copy -- Copy selection into system-wide clipboard
Paste -- Insert system-wide clipboard into window
Select All -- Select the entire contents of the edit buffer
---
Find... -- Open a search dialog box with many options
Find Again -- Repeat last search
Find Selection -- Search for the string in the selection
Find in Files... -- Open a search dialog box for searching files
Replace... -- Open a search-and-replace dialog box
Go to Line -- Ask for a line number and show that line
Expand Word -- Expand the word you have typed to match another
word in the same buffer; repeat to get a different
expansion
Format Menu (only in Edit window):
Indent Region -- Shift selected lines right 4 spaces
Dedent Region -- Shift selected lines left 4 spaces
Comment Out Region -- Insert ## in front of selected lines
Uncomment Region -- Remove leading # or ## from selected lines
Tabify Region -- Turns *leading* stretches of spaces into tabs
Untabify Region -- Turn *all* tabs into the right number of spaces
New Indent Width... -- Open dialog to change indent width
Format Paragraph -- Reformat the current blank-line-separated paragraph
Run Menu (only in Edit window):
Python Shell -- Open or wake up the Python shell window
---
Check Module -- Run a syntax check on the module
Run Script -- Execute the current file in the __main__ namespace
Settings Menu:
Configure IDLE -- Open a configuration dialog. Fonts, indentation,
keybindings, and color themes may be altered.
Startup preferences may be set.
---
Revert to Default Settings -- Restore original settings
Windows Menu:
Zoom Height -- toggles the window between configured size
and maximum height.
---
The rest of this menu lists the names of all open windows;
select one to bring it to the foreground (deiconifying it if
necessary).
Debug Menu (in the Python Shell window only):
Go to File/Line -- look around the insert point for a filename
and linenumber, open the file, and show the line
Stack Viewer -- show the stack traceback of the last exception
Debugger (toggle) -- Run commands in the shell under the debugger
Auto-open Stack Viewer (toggle) -- Open stack viewer on traceback
Help Menu:
IDLE Help -- Display this file
Python Documentation -- Access local Python documentation, if
installed. Otherwise access python.org.
Advice -- Emergency Only!
IDLE Readme -- Background discussion and change details
---
About IDLE --- Version, copyright, license, credits
** TIPS
========
Basic editing and navigation:
Backspace deletes to the left; DEL deletes to the right
Arrow keys and Page Up/Down to move around
Home/End go to begin/end of line
Control-Home/End go to begin/end of file
Some Emacs or standard Windows bindings may work.
Keybindings are selected in the Settings Dialog, look there.
Automatic indentation:
After a block-opening statement, the next line is indented by
4 spaces (in the Python Shell window by one tab). After
certain keywords (break, return etc.) the next line is
dedented. In leading indentation, Backspace deletes up to 4
spaces if they are there. Tab inserts spaces (in the
Python Shell window one tab), number depends on Indent Width
See also the indent/dedent region commands in the edit menu.
Python Shell window:
^C interrupts executing command
^D sends end-of-file; closes window if typed at >>> prompt
Command history:
Alt-p retrieves previous command matching what you have typed
Alt-n retrieves next
Return while on any previous command retrieves that command
Alt-/ (Expand word) is also useful here
Syntax colors:
The coloring is applied in a background "thread", so you may
occasionally see uncolorized text. To change the color
scheme, use the Settings/Highlighting dialog.
Python default syntax colors:
Keywords orange
Strings green
Comments red
Definitions blue
Shell default colors:
Console output brown
stdout blue
stderr dark green
stdin black
Other preferences:
The font preferences, keybinding, and startup preferences can
be changed using the Settings dialog.
Command line usage:
Enter idle -h at the command prompt to get a usage message.