##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
""" Pretty-Print an Interface object as structured text (Yum)
This module provides a function, asStructuredText, for rendering an
interface as structured text.
Revision information:
$Id: Document.py,v 1.3 2002/08/14 21:35:32 mj Exp $
"""
from string import maketrans
def asStructuredText(I, munge=0):
""" Output structured text format. Note, this will wack any existing
'structured' format of the text. """
r = ["%s\n\n" % I.getName()]
outp = r.append
level = 1
if I.getDoc():
outp(_justify_and_indent(_trim_doc_string(I.getDoc()), level)+ "\n\n")
if I.getBases():
outp((" " * level) + "This interface extends:\n\n")
level = level + 1
for b in I.getBases():
item = "o %s" % b.getName()
outp(_justify_and_indent(_trim_doc_string(item), level, munge)
+ "\n\n")
level = level - 1
namesAndDescriptions = list(I.namesAndDescriptions())
namesAndDescriptions.sort()
outp(_justify_and_indent("Attributes:", level, munge)+'\n\n')
level = level + 1
for name, desc in namesAndDescriptions:
if not hasattr(desc, 'getSignatureString'): # ugh...
item = "%s -- %s" % (desc.getName(),
desc.getDoc() or 'no documentation')
outp(_justify_and_indent(_trim_doc_string(item), level, munge)
+ "\n\n")
level = level - 1
outp(_justify_and_indent("Methods:", level, munge)+'\n\n')
level = level + 1
for name, desc in namesAndDescriptions:
if hasattr(desc, 'getSignatureString'): # ugh...
item = "%s%s -- %s" % (desc.getName(),
desc.getSignatureString(),
desc.getDoc() or 'no documentation')
outp(_justify_and_indent(_trim_doc_string(item), level, munge)
+ "\n\n")
return "".join(r)
def _trim_doc_string(text):
"""
Trims a doc string to make it format
correctly with structured text.
"""
text = text.strip().replace('\r\n', '\n')
lines = text.split('\n')
nlines = [lines[0]]
if len(lines) > 1:
min_indent=None
for line in lines[1:]:
indent=len(line) - len(line.lstrip())
if indent < min_indent or min_indent is None:
min_indent=indent
for line in lines[1:]:
nlines.append(line[min_indent:])
return '\n'.join(nlines)
_trans = maketrans("\r\n", " ")
def _justify_and_indent(text, level, munge=0, width=72):
""" indent and justify text, rejustify (munge) if specified """
lines = []
if munge:
line = " " * level
text = text.translate(text, _trans).strip().split()
for word in text:
line = ' '.join([line, word])
if len(line) > width:
lines.append(line)
line = " " * level
else:
lines.append(line)
return "\n".join(lines)
else:
text = text.replace("\r\n", "\n").split("\n")
for line in text:
lines.append( (" " * level) + line)
return '\n'.join(lines)
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