aboutsummaryrefslogtreecommitdiffstats
path: root/src/scripts/build_docs.py
blob: 1787016e0bca6df1fba68d68365c28bd1a5e05f1 (plain)
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
#!/usr/bin/env python

"""
Botan doc generation script

(C) 2014,2015,2017 Jack Lloyd

Botan is released under the Simplified BSD License (see license.txt)
"""

import sys
import optparse # pylint: disable=deprecated-module
import subprocess
import shutil
import logging
import json
import tempfile
import os
import stat

def get_concurrency():
    """
    Get default concurrency level of build
    """
    def_concurrency = 2

    try:
        import multiprocessing
        return max(def_concurrency, multiprocessing.cpu_count())
    except ImportError:
        return def_concurrency

def touch(fname):
    try:
        os.utime(fname, None)
    except OSError:
        open(fname, 'a').close()

def copy_files(src_path, dest_dir):

    file_mode = os.stat(src_path).st_mode

    if stat.S_ISREG(file_mode):
        logging.debug("Copying file %s to %s", src_path, dest_dir)
        shutil.copy(src_path, dest_dir)
    else:
        for f in os.listdir(src_path):
            src_file = os.path.join(src_path, f)
            dest_file = os.path.join(dest_dir, f)
            logging.debug("Copying dir %s to %s", src_file, dest_file)
            shutil.copyfile(src_file, dest_file)

def run_and_check(cmd_line, cwd=None):

    logging.debug("Executing %s", ' '.join(cmd_line))

    proc = subprocess.Popen(cmd_line,
                            close_fds=True,
                            stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE,
                            cwd=cwd)

    (stdout, stderr) = proc.communicate()

    if stdout:
        logging.debug(stdout.decode())

    if stderr:
        logging.debug(stderr.decode())

    if proc.returncode != 0:
        logging.error("Error running %s", ' '.join(cmd_line))
        sys.exit(1)


def parse_options(args):
    parser = optparse.OptionParser()

    parser.add_option('--verbose', action='store_true', default=False,
                      help='Show debug messages')
    parser.add_option('--quiet', action='store_true', default=False,
                      help='Show only warnings and errors')

    parser.add_option('--build-dir', metavar='DIR', default='build',
                      help='Location of build output (default \'%default\')')
    parser.add_option('--dry-run', default=False, action='store_true',
                      help='Just display what would be done')

    (options, args) = parser.parse_args(args)

    if len(args) > 1:
        logging.error("Unknown arguments")
        return None

    def log_level():
        if options.verbose:
            return logging.DEBUG
        if options.quiet:
            return logging.WARNING
        return logging.INFO

    logging.getLogger().setLevel(log_level())

    return options


def main(args=None):
    # pylint: disable=too-many-branches,too-many-locals

    if args is None:
        args = sys.argv

    logging.basicConfig(stream=sys.stdout,
                        format='%(levelname) 7s: %(message)s')

    options = parse_options(args)

    if options is None:
        return 1

    with open(os.path.join(options.build_dir, 'build_config.json')) as f:
        cfg = json.load(f)

    with_docs = bool(cfg['with_documentation'])
    with_sphinx = bool(cfg['with_sphinx'])
    with_pdf = bool(cfg['with_pdf'])
    with_rst2man = bool(cfg['with_rst2man'])
    with_doxygen = bool(cfg['with_doxygen'])

    doc_stamp_file = cfg['doc_stamp_file']

    manual_src = os.path.join(cfg['doc_dir'], 'manual')
    manual_output = os.path.join(cfg['doc_output_dir'], 'manual')

    if with_docs is False:
        logging.debug('Documentation build disabled')
        return 0

    cmds = []

    if with_doxygen:
        cmds.append(['doxygen', os.path.join(cfg['build_dir'], 'botan.doxy')])

    if with_sphinx:
        sphinx_build = ['sphinx-build',
                        '-c', cfg['sphinx_config_dir'],
                        '-j', str(get_concurrency())]

        cmds.append(sphinx_build + ['-b', 'html', manual_src, manual_output])

        if with_pdf:
            latex_output = tempfile.mkdtemp(prefix='botan_latex_')
            cmds.append(sphinx_build + ['-b', 'latex', manual_src, latex_output])
            cmds.append(['make', '-C', latex_output])
            cmds.append(['cp', os.path.join(latex_output, 'botan.pdf'), manual_output])
    else:
        # otherwise just copy it
        cmds.append(['cp', manual_src, manual_output])

    if with_rst2man:
        cmds.append(['rst2man', os.path.join(manual_src, 'cli.rst'),
                     os.path.join(cfg['build_dir'], 'botan.1')])

    cmds.append(['touch', doc_stamp_file])

    for cmd in cmds:
        if options.dry_run:
            print(' '.join(cmd))
        else:
            if cmd[0] == 'cp':
                assert len(cmd) == 3
                copy_files(cmd[1], cmd[2])
            elif cmd[0] == 'touch':
                assert len(cmd) == 2
                touch(cmd[1])
            else:
                run_and_check(cmd)
    return 0

if __name__ == '__main__':
    sys.exit(main())