FM / idlelib

/opt/alt/python35/lib64/python3.5/idlelib/

/opt/alt/python35/lib64/python3.5/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
idle_test/	-	0755	rm
__pycache__/	-	0755	rm
aboutDialog.py	6987	0644	edit dl rm
AutoComplete.py	9201	0644	edit dl rm
AutoCompleteWindow.py	17739	0644	edit dl rm
AutoExpand.py	3395	0644	edit dl rm
Bindings.py	3111	0644	edit dl rm
CallTips.py	5932	0644	edit dl rm
CallTipWindow.py	6035	0644	edit dl rm
ChangeLog	56388	0644	edit dl rm
ClassBrowser.py	6999	0644	edit dl rm
CodeContext.py	8357	0644	edit dl rm
ColorDelegator.py	10598	0644	edit dl rm
config-extensions.def	2965	0644	edit dl rm
config-highlight.def	2515	0644	edit dl rm
config-keys.def	7777	0644	edit dl rm
config-main.def	2563	0644	edit dl rm
configDialog.py	65061	0644	edit dl rm
configHandler.py	32451	0644	edit dl rm
configHelpSourceEdit.py	6817	0644	edit dl rm
configSectionNameDialog.py	4007	0644	edit dl rm
CREDITS.txt	1866	0644	edit dl rm
Debugger.py	18758	0644	edit dl rm
Delegator.py	1043	0644	edit dl rm
dynOptionMenuWidget.py	1990	0644	edit dl rm
EditorWindow.py	65595	0644	edit dl rm
extend.txt	3642	0644	edit dl rm
FileList.py	3813	0644	edit dl rm
FormatParagraph.py	7287	0644	edit dl rm
GrepDialog.py	5124	0644	edit dl rm
help.html	43411	0644	edit dl rm
help.py	10952	0644	edit dl rm
help.txt	17900	0644	edit dl rm
HISTORY.txt	10312	0644	edit dl rm
HyperParser.py	12877	0644	edit dl rm
idle.py	453	0644	edit dl rm
idle.pyw	570	0644	edit dl rm
IdleHistory.py	4052	0644	edit dl rm
idlever.py	415	0644	edit dl rm
IOBinding.py	20599	0644	edit dl rm
keybindingDialog.py	12416	0644	edit dl rm
macosxSupport.py	8684	0644	edit dl rm
MultiCall.py	18571	0644	edit dl rm
MultiStatusBar.py	1348	0644	edit dl rm
NEWS.txt	15536	0644	edit dl rm
NEWS2x.txt	27172	0644	edit dl rm
ObjectBrowser.py	3975	0644	edit dl rm
OutputWindow.py	4394	0644	edit dl rm
ParenMatch.py	6714	0644	edit dl rm
PathBrowser.py	3207	0644	edit dl rm
Percolator.py	3179	0644	edit dl rm
PyParse.py	20461	0644	edit dl rm
PyShell.py	58846	0755	edit dl rm
README.txt	7891	0644	edit dl rm
RemoteDebugger.py	12007	0644	edit dl rm
RemoteObjectBrowser.py	964	0644	edit dl rm
ReplaceDialog.py	7481	0644	edit dl rm
rpc.py	20784	0644	edit dl rm
RstripExtension.py	1050	0644	edit dl rm
run.py	13869	0644	edit dl rm
ScriptBinding.py	8061	0644	edit dl rm
ScrolledList.py	4375	0644	edit dl rm
SearchDialog.py	3127	0644	edit dl rm
SearchDialogBase.py	7009	0644	edit dl rm
SearchEngine.py	7485	0644	edit dl rm
StackViewer.py	4426	0644	edit dl rm
tabbedpages.py	18418	0644	edit dl rm
textView.py	3419	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
ToolTip.py	3173	0644	edit dl rm
TreeWidget.py	15024	0644	edit dl rm
UndoDelegator.py	10980	0644	edit dl rm
WidgetRedirector.py	6939	0644	edit dl rm
WindowList.py	2472	0644	edit dl rm
ZoomHeight.py	1300	0644	edit dl rm
__init__.py	335	0644	edit dl rm
__main__.py	159	0644	edit dl rm

Edit: /opt/alt/python35/lib64/python3.5/idlelib/IdleHistory.py (4052B)

"Implement Idle Shell history mechanism with History class"

from idlelib.configHandler import idleConf

class History:
    ''' Implement Idle Shell history mechanism.

store - Store source statement (called from PyShell.resetoutput).
    fetch - Fetch stored statement matching prefix already entered.
    history_next - Bound to <<history-next>> event (default Alt-N).
    history_prev - Bound to <<history-prev>> event (default Alt-P).
    '''
    def __init__(self, text):
        '''Initialize data attributes and bind event methods.

.text - Idle wrapper of tk Text widget, with .bell().
        .history - source statements, possibly with multiple lines.
        .prefix - source already entered at prompt; filters history list.
        .pointer - index into history.
        .cyclic - wrap around history list (or not).
        '''
        self.text = text
        self.history = []
        self.prefix = None
        self.pointer = None
        self.cyclic = idleConf.GetOption("main", "History", "cyclic", 1, "bool")
        text.bind("<<history-previous>>", self.history_prev)
        text.bind("<<history-next>>", self.history_next)

def history_next(self, event):
        "Fetch later statement; start with ealiest if cyclic."
        self.fetch(reverse=False)
        return "break"

def history_prev(self, event):
        "Fetch earlier statement; start with most recent."
        self.fetch(reverse=True)
        return "break"

def fetch(self, reverse):
        '''Fetch statememt and replace current line in text widget.

Set prefix and pointer as needed for successive fetches.
        Reset them to None, None when returning to the start line.
        Sound bell when return to start line or cannot leave a line
        because cyclic is False.
        '''
        nhist = len(self.history)
        pointer = self.pointer
        prefix = self.prefix
        if pointer is not None and prefix is not None:
            if self.text.compare("insert", "!=", "end-1c") or \
                    self.text.get("iomark", "end-1c") != self.history[pointer]:
                pointer = prefix = None
                self.text.mark_set("insert", "end-1c")  # != after cursor move
        if pointer is None or prefix is None:
            prefix = self.text.get("iomark", "end-1c")
            if reverse:
                pointer = nhist  # will be decremented
            else:
                if self.cyclic:
                    pointer = -1  # will be incremented
                else:  # abort history_next
                    self.text.bell()
                    return
        nprefix = len(prefix)
        while 1:
            pointer += -1 if reverse else 1
            if pointer < 0 or pointer >= nhist:
                self.text.bell()
                if not self.cyclic and pointer < 0:  # abort history_prev
                    return
                else:
                    if self.text.get("iomark", "end-1c") != prefix:
                        self.text.delete("iomark", "end-1c")
                        self.text.insert("iomark", prefix)
                    pointer = prefix = None
                break
            item = self.history[pointer]
            if item[:nprefix] == prefix and len(item) > nprefix:
                self.text.delete("iomark", "end-1c")
                self.text.insert("iomark", item)
                break
        self.text.see("insert")
        self.text.tag_remove("sel", "1.0", "end")
        self.pointer = pointer
        self.prefix = prefix

def store(self, source):
        "Store Shell input statement into history list."
        source = source.strip()
        if len(source) > 2:
            # avoid duplicates
            try:
                self.history.remove(source)
            except ValueError:
                pass
            self.history.append(source)
        self.pointer = None
        self.prefix = None

if __name__ == "__main__":
    from unittest import main
    main('idlelib.idle_test.test_idlehistory', verbosity=2, exit=False)

cmd: