mirror of https://github.com/python/cpython
Issue #16893: Add idlelib.help.copy_strip() to copy-rstrip Doc/.../idle.html.
Change destination to help.html. Adjust NEWS entries.
This commit is contained in:
Terry Jan Reedy
parent
d9763c2ce4
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cba1a1a000
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@ -7,8 +7,8 @@ What's New in Idle 3.4.4?
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- Issue #25199: Idle: add synchronization comments for future maintainers.
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- Issue #16893: Replace help.txt with idle.html for Idle doc display.
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The new idlelib/idle.html is copied from Doc/build/html/library/idle.html.
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- Issue #16893: Replace help.txt with help.html for Idle doc display.
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The new idlelib/help.html is rstripped Doc/build/html/library/idle.html.
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It looks better than help.txt and will better document Idle as released.
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The tkinter html viewer that works for this file was written by Mark Roseman.
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The now unused EditorWindow.HelpDialog class and helt.txt file are deprecated.
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@ -1,23 +1,26 @@
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"""
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help.py implements the Idle help menu and is subject to change.
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""" help.py: Implement the Idle help menu.
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Contents are subject to revision at any time, without notice.
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The contents are subject to revision at any time, without notice.
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Help => About IDLE: diplay About Idle dialog
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<to be moved here from aboutDialog.py>
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Help => IDLE Help: display idle.html with proper formatting
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HelpParser - Parses idle.html generated from idle.rst by Sphinx
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and renders to tk Text.
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Help => IDLE Help: Display help.html with proper formatting.
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Doc/library/idle.rst (Sphinx)=> Doc/build/html/library/idle.html
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(help.copy_strip)=> Lib/idlelib/help.html
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HelpText - Displays formatted idle.html.
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HelpParser - Parse help.html and and render to tk Text.
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HelpFrame - Contains text, scrollbar, and table-of-contents.
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HelpText - Display formatted help.html.
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HelpFrame - Contain text, scrollbar, and table-of-contents.
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(This will be needed for display in a future tabbed window.)
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HelpWindow - Display idleframe in a standalone window.
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HelpWindow - Display HelpFrame in a standalone window.
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copy_strip - Copy idle.html to help.html, rstripping each line.
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show_idlehelp - Create HelpWindow. Called in EditorWindow.help_dialog.
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"""
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@ -36,7 +39,7 @@ if use_ttk:
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## IDLE Help ##
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class HelpParser(HTMLParser):
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"""Render idle.html generated by Sphinx from idle.rst.
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"""Render help.html into a text widget.
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The overridden handle_xyz methods handle a subset of html tags.
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The supplied text should have the needed tag configurations.
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@ -62,7 +65,7 @@ class HelpParser(HTMLParser):
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self.tags = '' if self.level == 0 else 'l'+str(self.level)
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def handle_starttag(self, tag, attrs):
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"Handle starttags in idle.html."
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"Handle starttags in help.html."
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class_ = ''
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for a, v in attrs:
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if a == 'class':
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@ -120,7 +123,7 @@ class HelpParser(HTMLParser):
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self.text.insert('end', s, self.tags)
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def handle_endtag(self, tag):
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"Handle endtags in idle.html."
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"Handle endtags in help.html."
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if tag in ['h1', 'h2', 'h3', 'span', 'em']:
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self.indent(0) # clear tag, reset indent
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if self.show and tag in ['h1', 'h2', 'h3']:
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@ -136,7 +139,7 @@ class HelpParser(HTMLParser):
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self.indent(amt=-1)
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def handle_data(self, data):
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"Handle date segments in idle.html."
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"Handle date segments in help.html."
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if self.show and not self.hdrlink:
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d = data if self.pre else data.replace('\n', ' ')
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if self.tags == 'h1':
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@ -149,7 +152,7 @@ class HelpParser(HTMLParser):
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class HelpText(Text):
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"Display idle.html."
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"Display help.html."
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def __init__(self, parent, filename):
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"Configure tags and feed file to parser."
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Text.__init__(self, parent, wrap='word', highlightthickness=0,
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@ -188,6 +191,7 @@ class HelpText(Text):
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class HelpFrame(Frame):
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"Display html text, scrollbar, and toc."
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def __init__(self, parent, filename):
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Frame.__init__(self, parent)
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text = HelpText(self, filename)
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@ -202,6 +206,7 @@ class HelpFrame(Frame):
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toc.grid(column=0, row=0, sticky='nw')
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def contents_widget(self, text):
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"Create table of contents."
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toc = Menubutton(self, text='TOC')
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drop = Menu(toc, tearoff=False)
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for tag, lbl in text.parser.contents:
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@ -211,7 +216,7 @@ class HelpFrame(Frame):
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class HelpWindow(Toplevel):
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"Display frame with rendered html."
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def __init__(self, parent, filename, title):
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Toplevel.__init__(self, parent)
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self.wm_title(title)
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@ -221,11 +226,23 @@ class HelpWindow(Toplevel):
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self.grid_rowconfigure(0, weight=1)
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def copy_strip():
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"Copy idle.html to idlelib/help.html, stripping trailing whitespace."
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src = join(abspath(dirname(dirname(dirname(__file__)))),
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'Doc', 'build', 'html', 'library', 'idle.html')
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dst = join(abspath(dirname(__file__)), 'help.html')
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with open(src, 'rb') as inn,\
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open(dst, 'wb') as out:
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for line in inn:
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out.write(line.rstrip() + '\n')
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print('idle.html copied to help.html')
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def show_idlehelp(parent):
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filename = join(abspath(dirname(__file__)), 'idle.html')
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"Create HelpWindow; called from Idle Help event handler."
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filename = join(abspath(dirname(__file__)), 'help.html')
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if not isfile(filename):
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dirpath = join(abspath(dirname(dirname(dirname(__file__)))),
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'Doc', 'build', 'html', 'library')
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# try copy_strip, present message
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return
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HelpWindow(parent, filename, 'IDLE Help')
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if __name__ == '__main__':
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@ -447,8 +447,8 @@ IDLE
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- Issue #25199: Idle: add synchronization comments for future maintainers.
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- Issue #16893: Replace help.txt with idle.html for Idle doc display.
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The new idlelib/idle.html is copied from Doc/build/html/library/idle.html.
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- Issue #16893: Replace help.txt with help.html for Idle doc display.
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The new idlelib/help.html is rstripped Doc/build/html/library/idle.html.
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It looks better than help.txt and will better document Idle as released.
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The tkinter html viewer that works for this file was written by Mark Roseman.
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The now unused EditorWindow.HelpDialog class and helt.txt file are deprecated.
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