Issue #25198: In Idle doc viewer, fix indent of fixed-pitch <pre> text
by adding a new tag. Patch by Mark Roseman. Also give <pre> text a very light blueish-gray background similar to that used by Sphinx html.
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@ -48,7 +48,8 @@ class HelpParser(HTMLParser):
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def __init__(self, text):
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HTMLParser.__init__(self, convert_charrefs=True)
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self.text = text # text widget we're rendering into
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self.tags = '' # current text tags to apply
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self.tags = '' # current block level text tags to apply
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self.chartags = '' # current character level text tags
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self.show = False # used so we exclude page navigation
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self.hdrlink = False # used so we don't show header links
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self.level = 0 # indentation level
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@ -78,11 +79,11 @@ class HelpParser(HTMLParser):
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elif tag == 'p' and class_ != 'first':
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s = '\n\n'
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elif tag == 'span' and class_ == 'pre':
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self.tags = 'pre'
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self.chartags = 'pre'
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elif tag == 'span' and class_ == 'versionmodified':
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self.tags = 'em'
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self.chartags = 'em'
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elif tag == 'em':
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self.tags = 'em'
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self.chartags = 'em'
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elif tag in ['ul', 'ol']:
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if class_.find('simple') != -1:
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s = '\n'
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@ -120,16 +121,18 @@ class HelpParser(HTMLParser):
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self.text.insert('end', '\n\n')
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self.tags = tag
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if self.show:
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self.text.insert('end', s, self.tags)
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self.text.insert('end', s, (self.tags, self.chartags))
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def handle_endtag(self, tag):
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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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if tag in ['h1', 'h2', 'h3']:
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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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title = self.data
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self.contents.append(('toc'+str(self.tocid), title))
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self.tocid += 1
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elif tag in ['span', 'em']:
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self.chartags = ''
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elif tag == 'a':
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self.hdrlink = False
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elif tag == 'pre':
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@ -148,7 +151,7 @@ class HelpParser(HTMLParser):
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if d[0:len(self.hprefix)] == self.hprefix:
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d = d[len(self.hprefix):].strip()
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self.data += d
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self.text.insert('end', d, self.tags)
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self.text.insert('end', d, (self.tags, self.chartags))
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class HelpText(Text):
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@ -165,7 +168,7 @@ class HelpText(Text):
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self.tag_configure('h1', font=(normalfont, 20, 'bold'))
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self.tag_configure('h2', font=(normalfont, 18, 'bold'))
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self.tag_configure('h3', font=(normalfont, 15, 'bold'))
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self.tag_configure('pre', font=(fixedfont, 12))
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self.tag_configure('pre', font=(fixedfont, 12), background='#f6f6ff')
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self.tag_configure('preblock', font=(fixedfont, 10), lmargin1=25,
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borderwidth=1, relief='solid', background='#eeffcc')
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self.tag_configure('l1', lmargin1=25, lmargin2=25)
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