summaryrefslogtreecommitdiffstats
path: root/scripts/lib/recipetool/create_npm.py
blob: fcc0172af889e4b5c5225d1fd8f55c54404db601 (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
# Recipe creation tool - node.js NPM module support plugin
#
# Copyright (C) 2016 Intel Corporation
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

import os
import logging
import subprocess
import tempfile
import shutil
import json
from recipetool.create import RecipeHandler, split_pkg_licenses

logger = logging.getLogger('recipetool')


tinfoil = None

def tinfoil_init(instance):
    global tinfoil
    tinfoil = instance


class NpmRecipeHandler(RecipeHandler):
    lockdownpath = None

    def _handle_license(self, data):
        '''
        Handle the license value from an npm package.json file
        '''
        license = None
        if 'license' in data:
            license = data['license']
            if isinstance(license, dict):
                license = license.get('type', None)
        return license

    def _shrinkwrap(self, srctree, localfilesdir, extravalues, lines_before):
        try:
            runenv = dict(os.environ, PATH=tinfoil.config_data.getVar('PATH', True))
            bb.process.run('npm shrinkwrap', cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
        except bb.process.ExecutionError as e:
            logger.warn('npm shrinkwrap failed:\n%s' % e.stdout)
            return

        tmpfile = os.path.join(localfilesdir, 'npm-shrinkwrap.json')
        shutil.move(os.path.join(srctree, 'npm-shrinkwrap.json'), tmpfile)
        extravalues.setdefault('extrafiles', {})
        extravalues['extrafiles']['npm-shrinkwrap.json'] = tmpfile
        lines_before.append('NPM_SHRINKWRAP := "${THISDIR}/${PN}/npm-shrinkwrap.json"')

    def _lockdown(self, srctree, localfilesdir, extravalues, lines_before):
        runenv = dict(os.environ, PATH=tinfoil.config_data.getVar('PATH', True))
        if not NpmRecipeHandler.lockdownpath:
            NpmRecipeHandler.lockdownpath = tempfile.mkdtemp('recipetool-npm-lockdown')
            bb.process.run('npm install lockdown --prefix %s' % NpmRecipeHandler.lockdownpath,
                           cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
        relockbin = os.path.join(NpmRecipeHandler.lockdownpath, 'node_modules', 'lockdown', 'relock.js')
        if not os.path.exists(relockbin):
            logger.warn('Could not find relock.js within lockdown directory; skipping lockdown')
            return
        try:
            bb.process.run('node %s' % relockbin, cwd=srctree, stderr=subprocess.STDOUT, env=runenv, shell=True)
        except bb.process.ExecutionError as e:
            logger.warn('lockdown-relock failed:\n%s' % e.stdout)
            return

        tmpfile = os.path.join(localfilesdir, 'lockdown.json')
        shutil.move(os.path.join(srctree, 'lockdown.json'), tmpfile)
        extravalues.setdefault('extrafiles', {})
        extravalues['extrafiles']['lockdown.json'] = tmpfile
        lines_before.append('NPM_LOCKDOWN := "${THISDIR}/${PN}/lockdown.json"')

    def process(self, srctree, classes, lines_before, lines_after, handled, extravalues):
        import bb.utils
        import oe
        from collections import OrderedDict

        if 'buildsystem' in handled:
            return False

        def read_package_json(fn):
            with open(fn, 'r') as f:
                return json.loads(f.read())

        files = RecipeHandler.checkfiles(srctree, ['package.json'])
        if files:
            data = read_package_json(files[0])
            if 'name' in data and 'version' in data:
                extravalues['PN'] = data['name']
                extravalues['PV'] = data['version']
                classes.append('npm')
                handled.append('buildsystem')
                if 'description' in data:
                    extravalues['SUMMARY'] = data['description']
                if 'homepage' in data:
                    extravalues['HOMEPAGE'] = data['homepage']

                # Shrinkwrap
                localfilesdir = tempfile.mkdtemp(prefix='recipetool-npm')
                self._shrinkwrap(srctree, localfilesdir, extravalues, lines_before)

                # Lockdown
                self._lockdown(srctree, localfilesdir, extravalues, lines_before)

                # Split each npm module out to is own package
                npmpackages = oe.package.npm_split_package_dirs(srctree)
                for item in handled:
                    if isinstance(item, tuple):
                        if item[0] == 'license':
                            licvalues = item[1]
                            break
                if licvalues:
                    # Augment the license list with information we have in the packages
                    licenses = {}
                    license = self._handle_license(data)
                    if license:
                        licenses['${PN}'] = license
                    for pkgname, pkgitem in npmpackages.items():
                        _, pdata = pkgitem
                        license = self._handle_license(pdata)
                        if license:
                            licenses[pkgname] = license
                    # Now write out the package-specific license values
                    # We need to strip out the json data dicts for this since split_pkg_licenses
                    # isn't expecting it
                    packages = OrderedDict((x,y[0]) for x,y in npmpackages.items())
                    packages['${PN}'] = ''
                    pkglicenses = split_pkg_licenses(licvalues, packages, lines_after, licenses)
                    all_licenses = list(set([item for pkglicense in pkglicenses.values() for item in pkglicense]))
                    # Go back and update the LICENSE value since we have a bit more
                    # information than when that was written out (and we know all apply
                    # vs. there being a choice, so we can join them with &)
                    for i, line in enumerate(lines_before):
                        if line.startswith('LICENSE = '):
                            lines_before[i] = 'LICENSE = "%s"' % ' & '.join(all_licenses)
                            break

                return True

        return False

def register_recipe_handlers(handlers):
    handlers.append((NpmRecipeHandler(), 60))