1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
# (Be in -*- python -*- mode.)
#
# ====================================================================
# Copyright (c) 2009 CollabNet. All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at http://subversion.tigris.org/license-1.html.
# If newer versions of this license are posted there, you may use a
# newer version instead, at your option.
#
# This software consists of voluntary contributions made by many
# individuals. For exact contribution history, see the revision
# history and logs, available at http://cvs2svn.tigris.org/.
# ====================================================================
"""This module contains the ManWriter class for outputting manpages."""
import datetime
import optparse
import re
whitespace_re = re.compile(r'\s+')
def wrap(s, width=70):
# Convert all whitespace substrings to single spaces:
s = whitespace_re.sub(' ', s)
s = s.strip()
retval = []
while s:
if len(s) <= width:
retval.append(s)
break
i = s.rfind(' ', 0, width + 1)
if i == -1:
# There were no spaces within the first width+1 characters; break
# at the next space after width:
i = s.find(' ', width + 1)
if i == -1:
# There were no spaces in s at all.
retval.append(s)
break
retval.append(s[:i].rstrip())
s = s[i+1:].lstrip()
for (i,line) in enumerate(retval):
if line.startswith('\'') or line.startswith('.'):
# These are roff control characters and have to be escaped:
retval[i] = '\\' + line
return '\n'.join(retval)
class ManOption(optparse.Option):
"""An optparse.Option that holds an explicit string for the man page."""
def __init__(self, *args, **kw):
self.man_help = kw.pop('man_help')
optparse.Option.__init__(self, *args, **kw)
class ManWriter(object):
def __init__(
self,
parser,
section, date, source, manual,
short_desc, synopsis, long_desc, files, authors, see_also,
):
self.parser = parser
self.section = section
self.date = date
self.source = source
self.manual = manual
self.short_desc = short_desc
self.synopsis = synopsis
self.long_desc = long_desc
self.files = files
self.authors = authors
self.see_also = see_also
def write_title(self, f):
f.write('.\\" Process this file with\n')
f.write(
'.\\" groff -man -Tascii %s.%s\n' % (
self.parser.get_prog_name(),
self.section,
)
)
f.write(
'.TH %s "%s" "%s" "%s" "%s"\n' % (
self.parser.get_prog_name().upper(),
self.section,
self.date.strftime('%b %d, %Y'),
self.source,
self.manual,
)
)
def write_name(self, f):
f.write('.SH "NAME"\n')
f.write(
'%s \- %s\n' % (
self.parser.get_prog_name(),
self.short_desc,
)
)
def write_synopsis(self, f):
f.write('.SH "SYNOPSIS"\n')
f.write(self.synopsis)
def write_description(self, f):
f.write('.SH "DESCRIPTION"\n')
f.write(self.long_desc)
def _get_option_strings(self, option):
"""Return a list of option strings formatted with their metavariables.
This method is very similar to
optparse.HelpFormatter.format_option_strings().
"""
if option.takes_value():
metavar = (option.metavar or option.dest).lower()
short_opts = [
'\\fB%s\\fR \\fI%s\\fR' % (opt, metavar)
for opt in option._short_opts
]
long_opts = [
'\\fB%s\\fR=\\fI%s\\fR' % (opt, metavar)
for opt in option._long_opts
]
else:
short_opts = [
'\\fB%s\\fR' % (opt,)
for opt in option._short_opts
]
long_opts = [
'\\fB%s\\fR' % (opt,)
for opt in option._long_opts
]
return short_opts + long_opts
def _write_option(self, f, option):
man_help = getattr(option, 'man_help', option.help)
if man_help is not optparse.SUPPRESS_HELP:
man_help = wrap(man_help)
f.write('.IP "%s"\n' % (', '.join(self._get_option_strings(option)),))
f.write('%s\n' % (man_help,))
def _write_container_help(self, f, container):
for option in container.option_list:
if option.help is not optparse.SUPPRESS_HELP:
self._write_option(f, option)
def write_options(self, f):
f.write('.SH "OPTIONS"\n')
if self.parser.option_list:
(self._write_container_help(f, self.parser))
for group in self.parser.option_groups:
f.write('.SH "%s"\n' % (group.title.upper(),))
if group.description:
f.write(self.format_description(group.description) + '\n')
self._write_container_help(f, group)
def write_files(self, f):
f.write('.SH "FILES"\n')
f.write(self.files)
def write_authors(self, f):
f.write('.SH "AUTHORS"\n')
f.write(self.authors)
def write_see_also(self, f):
f.write('.SH "SEE ALSO"\n')
f.write(', '.join([
'%s(%s)' % (name, section,)
for (name, section,) in self.see_also
]) + '\n')
def write_manpage(self, f):
self.write_title(f)
self.write_name(f)
self.write_synopsis(f)
self.write_description(f)
self.write_options(f)
self.write_files(f)
self.write_authors(f)
self.write_see_also(f)
|