FM / idlelib

/opt/alt/python37/lib64/python3.7/idlelib/

/opt/alt/python37/lib64/python3.7/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
idle_test/	-	0755	rm
__pycache__/	-	0755	rm
autocomplete.py	8954	0644	edit dl rm
autocomplete_w.py	20109	0644	edit dl rm
autoexpand.py	3216	0644	edit dl rm
browser.py	8314	0644	edit dl rm
calltip.py	6318	0644	edit dl rm
calltip_w.py	7158	0644	edit dl rm
ChangeLog	56360	0644	edit dl rm
codecontext.py	11326	0644	edit dl rm
colorizer.py	12992	0644	edit dl rm
config-extensions.def	2266	0644	edit dl rm
config-highlight.def	2864	0644	edit dl rm
config-keys.def	10910	0644	edit dl rm
config-main.def	3168	0644	edit dl rm
config.py	38173	0644	edit dl rm
configdialog.py	104524	0644	edit dl rm
config_key.py	14465	0644	edit dl rm
CREDITS.txt	1866	0644	edit dl rm
debugger.py	19104	0644	edit dl rm
debugger_r.py	12140	0644	edit dl rm
debugobj.py	4055	0644	edit dl rm
debugobj_r.py	1082	0644	edit dl rm
delegator.py	1043	0644	edit dl rm
dynoption.py	2017	0644	edit dl rm
editor.py	65614	0644	edit dl rm
extend.txt	3642	0644	edit dl rm
filelist.py	3896	0644	edit dl rm
format.py	15777	0644	edit dl rm
grep.py	7479	0644	edit dl rm
help.html	62214	0644	edit dl rm
help.py	11734	0644	edit dl rm
help_about.py	8981	0644	edit dl rm
history.py	4043	0644	edit dl rm
HISTORY.txt	10312	0644	edit dl rm
hyperparser.py	12883	0644	edit dl rm
idle.py	454	0644	edit dl rm
idle.pyw	570	0644	edit dl rm
iomenu.py	20632	0644	edit dl rm
macosx.py	9662	0644	edit dl rm
mainmenu.py	3918	0644	edit dl rm
multicall.py	18648	0644	edit dl rm
NEWS.txt	48791	0644	edit dl rm
NEWS2x.txt	27172	0644	edit dl rm
outwin.py	5788	0644	edit dl rm
parenmatch.py	7204	0644	edit dl rm
pathbrowser.py	3193	0644	edit dl rm
percolator.py	3130	0644	edit dl rm
pyparse.py	19947	0644	edit dl rm
pyshell.py	57247	0755	edit dl rm
query.py	14898	0644	edit dl rm
README.txt	9599	0644	edit dl rm
redirector.py	6875	0644	edit dl rm
replace.py	9889	0644	edit dl rm
rpc.py	21137	0644	edit dl rm
run.py	20293	0644	edit dl rm
runscript.py	8781	0644	edit dl rm
scrolledlist.py	4465	0644	edit dl rm
search.py	5566	0644	edit dl rm
searchbase.py	7537	0644	edit dl rm
searchengine.py	7472	0644	edit dl rm
sidebar.py	13585	0644	edit dl rm
squeezer.py	12840	0644	edit dl rm
stackviewer.py	4454	0644	edit dl rm
statusbar.py	1441	0644	edit dl rm
textview.py	6813	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
tooltip.py	6565	0644	edit dl rm
tree.py	16357	0644	edit dl rm
undo.py	11046	0644	edit dl rm
window.py	2616	0644	edit dl rm
zoomheight.py	4203	0644	edit dl rm
zzdummy.py	961	0644	edit dl rm
__init__.py	396	0644	edit dl rm
__main__.py	159	0644	edit dl rm

Edit: /opt/alt/python37/lib64/python3.7/idlelib/help.py (11734B)

""" help.py: Implement the Idle help menu.
Contents are subject to revision at any time, without notice.

Help => About IDLE: display About Idle dialog

Help => IDLE Help: Display help.html with proper formatting.
Doc/library/idle.rst (Sphinx)=> Doc/build/html/library/idle.html
(help.copy_strip)=> Lib/idlelib/help.html

HelpParser - Parse help.html and render to tk Text.

HelpText - Display formatted help.html.

HelpFrame - Contain text, scrollbar, and table-of-contents.
(This will be needed for display in a future tabbed window.)

HelpWindow - Display HelpFrame in a standalone window.

copy_strip - Copy idle.html to help.html, rstripping each line.

show_idlehelp - Create HelpWindow.  Called in EditorWindow.help_dialog.
"""
from html.parser import HTMLParser
from os.path import abspath, dirname, isfile, join
from platform import python_version

from tkinter import Toplevel, Frame, Text, Menu
from tkinter.ttk import Menubutton, Scrollbar
from tkinter import font as tkfont

from idlelib.config import idleConf

## About IDLE ##

## IDLE Help ##

class HelpParser(HTMLParser):
    """Render help.html into a text widget.

The overridden handle_xyz methods handle a subset of html tags.
    The supplied text should have the needed tag configurations.
    The behavior for unsupported tags, such as table, is undefined.
    If the tags generated by Sphinx change, this class, especially
    the handle_starttag and handle_endtags methods, might have to also.
    """
    def __init__(self, text):
        HTMLParser.__init__(self, convert_charrefs=True)
        self.text = text         # Text widget we're rendering into.
        self.tags = ''           # Current block level text tags to apply.
        self.chartags = ''       # Current character level text tags.
        self.show = False        # Exclude html page navigation.
        self.hdrlink = False     # Exclude html header links.
        self.level = 0           # Track indentation level.
        self.pre = False         # Displaying preformatted text?
        self.hprefix = ''        # Heading prefix (like '25.5'?) to remove.
        self.nested_dl = False   # In a nested <dl>?
        self.simplelist = False  # In a simple list (no double spacing)?
        self.toc = []            # Pair headers with text indexes for toc.
        self.header = ''         # Text within header tags for toc.
        self.prevtag = None      # Previous tag info (opener?, tag).

def indent(self, amt=1):
        "Change indent (+1, 0, -1) and tags."
        self.level += amt
        self.tags = '' if self.level == 0 else 'l'+str(self.level)

def handle_starttag(self, tag, attrs):
        "Handle starttags in help.html."
        class_ = ''
        for a, v in attrs:
            if a == 'class':
                class_ = v
        s = ''
        if tag == 'div' and class_ == 'section':
            self.show = True    # Start main content.
        elif tag == 'div' and class_ == 'sphinxsidebar':
            self.show = False   # End main content.
        elif tag == 'p' and self.prevtag and not self.prevtag[0]:
            # Begin a new block for <p> tags after a closed tag.
            # Avoid extra lines, e.g. after <pre> tags.
            lastline = self.text.get('end-1c linestart', 'end-1c')
            s = '\n\n' if lastline and not lastline.isspace() else '\n'
        elif tag == 'span' and class_ == 'pre':
            self.chartags = 'pre'
        elif tag == 'span' and class_ == 'versionmodified':
            self.chartags = 'em'
        elif tag == 'em':
            self.chartags = 'em'
        elif tag in ['ul', 'ol']:
            if class_.find('simple') != -1:
                s = '\n'
                self.simplelist = True
            else:
                self.simplelist = False
            self.indent()
        elif tag == 'dl':
            if self.level > 0:
                self.nested_dl = True
        elif tag == 'li':
            s = '\n* ' if self.simplelist else '\n\n* '
        elif tag == 'dt':
            s = '\n\n' if not self.nested_dl else '\n'  # Avoid extra line.
            self.nested_dl = False
        elif tag == 'dd':
            self.indent()
            s = '\n'
        elif tag == 'pre':
            self.pre = True
            if self.show:
                self.text.insert('end', '\n\n')
            self.tags = 'preblock'
        elif tag == 'a' and class_ == 'headerlink':
            self.hdrlink = True
        elif tag == 'h1':
            self.tags = tag
        elif tag in ['h2', 'h3']:
            if self.show:
                self.header = ''
                self.text.insert('end', '\n\n')
            self.tags = tag
        if self.show:
            self.text.insert('end', s, (self.tags, self.chartags))
        self.prevtag = (True, tag)

def handle_endtag(self, tag):
        "Handle endtags in help.html."
        if tag in ['h1', 'h2', 'h3']:
            assert self.level == 0
            if self.show:
                indent = ('        ' if tag == 'h3' else
                          '    ' if tag == 'h2' else
                          '')
                self.toc.append((indent+self.header, self.text.index('insert')))
            self.tags = ''
        elif tag in ['span', 'em']:
            self.chartags = ''
        elif tag == 'a':
            self.hdrlink = False
        elif tag == 'pre':
            self.pre = False
            self.tags = ''
        elif tag in ['ul', 'dd', 'ol']:
            self.indent(-1)
        self.prevtag = (False, tag)

def handle_data(self, data):
        "Handle date segments in help.html."
        if self.show and not self.hdrlink:
            d = data if self.pre else data.replace('\n', ' ')
            if self.tags == 'h1':
                try:
                    self.hprefix = d[0:d.index(' ')]
                except ValueError:
                    self.hprefix = ''
            if self.tags in ['h1', 'h2', 'h3']:
                if (self.hprefix != '' and
                    d[0:len(self.hprefix)] == self.hprefix):
                    d = d[len(self.hprefix):]
                self.header += d.strip()
            self.text.insert('end', d, (self.tags, self.chartags))

class HelpText(Text):
    "Display help.html."
    def __init__(self, parent, filename):
        "Configure tags and feed file to parser."
        uwide = idleConf.GetOption('main', 'EditorWindow', 'width', type='int')
        uhigh = idleConf.GetOption('main', 'EditorWindow', 'height', type='int')
        uhigh = 3 * uhigh // 4  # Lines average 4/3 of editor line height.
        Text.__init__(self, parent, wrap='word', highlightthickness=0,
                      padx=5, borderwidth=0, width=uwide, height=uhigh)

normalfont = self.findfont(['TkDefaultFont', 'arial', 'helvetica'])
        fixedfont = self.findfont(['TkFixedFont', 'monaco', 'courier'])
        self['font'] = (normalfont, 12)
        self.tag_configure('em', font=(normalfont, 12, 'italic'))
        self.tag_configure('h1', font=(normalfont, 20, 'bold'))
        self.tag_configure('h2', font=(normalfont, 18, 'bold'))
        self.tag_configure('h3', font=(normalfont, 15, 'bold'))
        self.tag_configure('pre', font=(fixedfont, 12), background='#f6f6ff')
        self.tag_configure('preblock', font=(fixedfont, 10), lmargin1=25,
                borderwidth=1, relief='solid', background='#eeffcc')
        self.tag_configure('l1', lmargin1=25, lmargin2=25)
        self.tag_configure('l2', lmargin1=50, lmargin2=50)
        self.tag_configure('l3', lmargin1=75, lmargin2=75)
        self.tag_configure('l4', lmargin1=100, lmargin2=100)

self.parser = HelpParser(self)
        with open(filename, encoding='utf-8') as f:
            contents = f.read()
        self.parser.feed(contents)
        self['state'] = 'disabled'

def findfont(self, names):
        "Return name of first font family derived from names."
        for name in names:
            if name.lower() in (x.lower() for x in tkfont.names(root=self)):
                font = tkfont.Font(name=name, exists=True, root=self)
                return font.actual()['family']
            elif name.lower() in (x.lower()
                                  for x in tkfont.families(root=self)):
                return name

class HelpFrame(Frame):
    "Display html text, scrollbar, and toc."
    def __init__(self, parent, filename):
        Frame.__init__(self, parent)
        self.text = text = HelpText(self, filename)
        self['background'] = text['background']
        self.toc = toc = self.toc_menu(text)
        self.scroll = scroll = Scrollbar(self, command=text.yview)
        text['yscrollcommand'] = scroll.set

self.rowconfigure(0, weight=1)
        self.columnconfigure(1, weight=1)  # Only expand the text widget.
        toc.grid(row=0, column=0, sticky='nw')
        text.grid(row=0, column=1, sticky='nsew')
        scroll.grid(row=0, column=2, sticky='ns')

def toc_menu(self, text):
        "Create table of contents as drop-down menu."
        toc = Menubutton(self, text='TOC')
        drop = Menu(toc, tearoff=False)
        for lbl, dex in text.parser.toc:
            drop.add_command(label=lbl, command=lambda dex=dex:text.yview(dex))
        toc['menu'] = drop
        return toc

class HelpWindow(Toplevel):
    "Display frame with rendered html."
    def __init__(self, parent, filename, title):
        Toplevel.__init__(self, parent)
        self.wm_title(title)
        self.protocol("WM_DELETE_WINDOW", self.destroy)
        HelpFrame(self, filename).grid(column=0, row=0, sticky='nsew')
        self.grid_columnconfigure(0, weight=1)
        self.grid_rowconfigure(0, weight=1)

def copy_strip():
    """Copy idle.html to idlelib/help.html, stripping trailing whitespace.

Files with trailing whitespace cannot be pushed to the git cpython
    repository.  For 3.x (on Windows), help.html is generated, after
    editing idle.rst on the master branch, with
      sphinx-build -bhtml . build/html
      python_d.exe -c "from idlelib.help import copy_strip; copy_strip()"
    Check build/html/library/idle.html, the help.html diff, and the text
    displayed by Help => IDLE Help.  Add a blurb and create a PR.

It can be worthwhile to occasionally generate help.html without
    touching idle.rst.  Changes to the master version and to the doc
    build system may result in changes that should not changed
    the displayed text, but might break HelpParser.

As long as master and maintenance versions of idle.rst remain the
    same, help.html can be backported.  The internal Python version
    number is not displayed.  If maintenance idle.rst diverges from
    the master version, then instead of backporting help.html from
    master, repeat the procedure above to generate a maintenance
    version.
    """
    src = join(abspath(dirname(dirname(dirname(__file__)))),
            'Doc', 'build', 'html', 'library', 'idle.html')
    dst = join(abspath(dirname(__file__)), 'help.html')
    with open(src, 'rb') as inn,\
         open(dst, 'wb') as out:
        for line in inn:
            out.write(line.rstrip() + b'\n')
    print(f'{src} copied to {dst}')

def show_idlehelp(parent):
    "Create HelpWindow; called from Idle Help event handler."
    filename = join(abspath(dirname(__file__)), 'help.html')
    if not isfile(filename):
        # Try copy_strip, present message.
        return
    HelpWindow(parent, filename, 'IDLE Help (%s)' % python_version())

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

from idlelib.idle_test.htest import run
    run(show_idlehelp)

cmd: