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annotate mercurial/thirdparty/zope/interface/document.py @ 46244:fb69b51b4daa

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ci: avoid a global before_script definition This removes the implicit assumption that all jobs are test runs. Differential Revision: https://phab.mercurial-scm.org/D9723
author Dan Villiom Podlaski Christiansen <danchr@gmail.com>
date Mon, 11 Jan 2021 15:16:36 +0100
parents 68ee61822182
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ##############################################################################
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2 #
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3 # Copyright (c) 2001, 2002 Zope Foundation and Contributors.
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4 # All Rights Reserved.
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5 #
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6 # This software is subject to the provisions of the Zope Public License,
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7 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
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8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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11 # FOR A PARTICULAR PURPOSE.
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12 #
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13 ##############################################################################
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14 """ Pretty-Print an Interface object as structured text (Yum)
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15
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16 This module provides a function, asStructuredText, for rendering an
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17 interface as structured text.
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18 """
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19
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20 from __future__ import absolute_import
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21
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22 from . import Interface
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23
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24 def asStructuredText(I, munge=0, rst=False):
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25 """ Output structured text format. Note, this will whack any existing
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26 'structured' format of the text.
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27
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28 If `rst=True`, then the output will quote all code as inline literals in
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29 accordance with 'reStructuredText' markup principles.
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30 """
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31
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32 if rst:
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33 inline_literal = lambda s: "``%s``" % (s,)
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34 else:
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35 inline_literal = lambda s: s
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36
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37 r = [inline_literal(I.getName())]
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38 outp = r.append
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39 level = 1
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40
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41 if I.getDoc():
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42 outp(_justify_and_indent(_trim_doc_string(I.getDoc()), level))
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43
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44 bases = [base
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45 for base in I.__bases__
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46 if base is not Interface
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47 ]
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48 if bases:
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49 outp(_justify_and_indent("This interface extends:", level, munge))
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50 level += 1
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51 for b in bases:
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52 item = "o %s" % inline_literal(b.getName())
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53 outp(_justify_and_indent(_trim_doc_string(item), level, munge))
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54 level -= 1
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55
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56 namesAndDescriptions = sorted(I.namesAndDescriptions())
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57
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58 outp(_justify_and_indent("Attributes:", level, munge))
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59 level += 1
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60 for name, desc in namesAndDescriptions:
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61 if not hasattr(desc, 'getSignatureString'): # ugh...
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62 item = "%s -- %s" % (inline_literal(desc.getName()),
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63 desc.getDoc() or 'no documentation')
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64 outp(_justify_and_indent(_trim_doc_string(item), level, munge))
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65 level -= 1
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66
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67 outp(_justify_and_indent("Methods:", level, munge))
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68 level += 1
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69 for name, desc in namesAndDescriptions:
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70 if hasattr(desc, 'getSignatureString'): # ugh...
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71 _call = "%s%s" % (desc.getName(), desc.getSignatureString())
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72 item = "%s -- %s" % (inline_literal(_call),
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73 desc.getDoc() or 'no documentation')
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74 outp(_justify_and_indent(_trim_doc_string(item), level, munge))
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75
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76 return "\n\n".join(r) + "\n\n"
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77
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78
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79 def asReStructuredText(I, munge=0):
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80 """ Output reStructuredText format. Note, this will whack any existing
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81 'structured' format of the text."""
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82 return asStructuredText(I, munge=munge, rst=True)
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83
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84
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85 def _trim_doc_string(text):
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86 """ Trims a doc string to make it format
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87 correctly with structured text. """
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88
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89 lines = text.replace('\r\n', '\n').split('\n')
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90 nlines = [lines.pop(0)]
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91 if lines:
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92 min_indent = min([len(line) - len(line.lstrip())
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93 for line in lines])
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94 for line in lines:
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95 nlines.append(line[min_indent:])
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96
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97 return '\n'.join(nlines)
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98
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99
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100 def _justify_and_indent(text, level, munge=0, width=72):
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101 """ indent and justify text, rejustify (munge) if specified """
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102
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103 indent = " " * level
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104
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105 if munge:
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106 lines = []
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107 line = indent
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108 text = text.split()
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109
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110 for word in text:
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111 line = ' '.join([line, word])
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112 if len(line) > width:
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113 lines.append(line)
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114 line = indent
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115 else:
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116 lines.append(line)
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117
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118 return '\n'.join(lines)
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119
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120 else:
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121 return indent + \
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122 text.strip().replace("\r\n", "\n") .replace("\n", "\n" + indent)