diff options
Diffstat (limited to 'poky/scripts/lib/recipetool/create_npm.py')
| -rw-r--r-- | poky/scripts/lib/recipetool/create_npm.py | 330 |
1 files changed, 330 insertions, 0 deletions
diff --git a/poky/scripts/lib/recipetool/create_npm.py b/poky/scripts/lib/recipetool/create_npm.py new file mode 100644 index 000000000..bb42a5ca5 --- /dev/null +++ b/poky/scripts/lib/recipetool/create_npm.py @@ -0,0 +1,330 @@ +# 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, handle_license_vars + +logger = logging.getLogger('recipetool') + + +tinfoil = None + +def tinfoil_init(instance): + global tinfoil + tinfoil = instance + + +class NpmRecipeHandler(RecipeHandler): + lockdownpath = None + + def _ensure_npm(self, fixed_setup=False): + if not tinfoil.recipes_parsed: + tinfoil.parse_recipes() + try: + rd = tinfoil.parse_recipe('nodejs-native') + except bb.providers.NoProvider: + if fixed_setup: + msg = 'nodejs-native is required for npm but is not available within this SDK' + else: + msg = 'nodejs-native is required for npm but is not available - you will likely need to add a layer that provides nodejs' + logger.error(msg) + return None + bindir = rd.getVar('STAGING_BINDIR_NATIVE') + npmpath = os.path.join(bindir, 'npm') + if not os.path.exists(npmpath): + tinfoil.build_targets('nodejs-native', 'addto_recipe_sysroot') + if not os.path.exists(npmpath): + logger.error('npm required to process specified source, but nodejs-native did not seem to populate it') + return None + return bindir + + 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) + if license: + if 'OR' in license: + license = license.replace('OR', '|') + license = license.replace('AND', '&') + license = license.replace(' ', '_') + if not license[0] == '(': + license = '(' + license + ')' + else: + license = license.replace('AND', '&') + if license[0] == '(': + license = license[1:] + if license[-1] == ')': + license = license[:-1] + license = license.replace('MIT/X11', 'MIT') + license = license.replace('Public Domain', 'PD') + license = license.replace('SEE LICENSE IN EULA', + 'SEE-LICENSE-IN-EULA') + return license + + def _shrinkwrap(self, srctree, localfilesdir, extravalues, lines_before, d): + try: + runenv = dict(os.environ, PATH=d.getVar('PATH')) + 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, d): + runenv = dict(os.environ, PATH=d.getVar('PATH')) + 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 _handle_dependencies(self, d, deps, optdeps, devdeps, lines_before, srctree): + import scriptutils + # If this isn't a single module we need to get the dependencies + # and add them to SRC_URI + def varfunc(varname, origvalue, op, newlines): + if varname == 'SRC_URI': + if not origvalue.startswith('npm://'): + src_uri = origvalue.split() + deplist = {} + for dep, depver in optdeps.items(): + depdata = self.get_npm_data(dep, depver, d) + if self.check_npm_optional_dependency(depdata): + deplist[dep] = depdata + for dep, depver in devdeps.items(): + depdata = self.get_npm_data(dep, depver, d) + if self.check_npm_optional_dependency(depdata): + deplist[dep] = depdata + for dep, depver in deps.items(): + depdata = self.get_npm_data(dep, depver, d) + deplist[dep] = depdata + + extra_urls = [] + for dep, depdata in deplist.items(): + version = depdata.get('version', None) + if version: + url = 'npm://registry.npmjs.org;name=%s;version=%s;subdir=node_modules/%s' % (dep, version, dep) + extra_urls.append(url) + if extra_urls: + scriptutils.fetch_url(tinfoil, ' '.join(extra_urls), None, srctree, logger) + src_uri.extend(extra_urls) + return src_uri, None, -1, True + return origvalue, None, 0, True + updated, newlines = bb.utils.edit_metadata(lines_before, ['SRC_URI'], varfunc) + if updated: + del lines_before[:] + for line in newlines: + # Hack to avoid newlines that edit_metadata inserts + if line.endswith('\n'): + line = line[:-1] + lines_before.append(line) + return updated + + def process(self, srctree, classes, lines_before, lines_after, handled, extravalues): + import bb.utils + import oe.package + from collections import OrderedDict + + if 'buildsystem' in handled: + return False + + def read_package_json(fn): + with open(fn, 'r', errors='surrogateescape') as f: + return json.loads(f.read()) + + files = RecipeHandler.checkfiles(srctree, ['package.json']) + if files: + d = bb.data.createCopy(tinfoil.config_data) + npm_bindir = self._ensure_npm() + if not npm_bindir: + sys.exit(14) + d.prependVar('PATH', '%s:' % npm_bindir) + + 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'] + + fetchdev = extravalues['fetchdev'] or None + deps, optdeps, devdeps = self.get_npm_package_dependencies(data, fetchdev) + self._handle_dependencies(d, deps, optdeps, devdeps, lines_before, srctree) + + # Shrinkwrap + localfilesdir = tempfile.mkdtemp(prefix='recipetool-npm') + self._shrinkwrap(srctree, localfilesdir, extravalues, lines_before, d) + + # Lockdown + self._lockdown(srctree, localfilesdir, extravalues, lines_before, d) + + # Split each npm module out to is own package + npmpackages = oe.package.npm_split_package_dirs(srctree) + licvalues = None + for item in handled: + if isinstance(item, tuple): + if item[0] == 'license': + licvalues = item[1] + break + if not licvalues: + licvalues = handle_license_vars(srctree, lines_before, handled, extravalues, d) + 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.replace('_', ' ') for pkglicense in pkglicenses.values() for item in pkglicense])) + if '&' in all_licenses: + all_licenses.remove('&') + extravalues['LICENSE'] = ' & '.join(all_licenses) + + # Need to move S setting after inherit npm + for i, line in enumerate(lines_before): + if line.startswith('S ='): + lines_before.pop(i) + lines_after.insert(0, '# Must be set after inherit npm since that itself sets S') + lines_after.insert(1, line) + break + + return True + + return False + + # FIXME this is duplicated from lib/bb/fetch2/npm.py + def _parse_view(self, output): + ''' + Parse the output of npm view --json; the last JSON result + is assumed to be the one that we're interested in. + ''' + pdata = None + outdeps = {} + datalines = [] + bracelevel = 0 + for line in output.splitlines(): + if bracelevel: + datalines.append(line) + elif '{' in line: + datalines = [] + datalines.append(line) + bracelevel = bracelevel + line.count('{') - line.count('}') + if datalines: + pdata = json.loads('\n'.join(datalines)) + return pdata + + # FIXME this is effectively duplicated from lib/bb/fetch2/npm.py + # (split out from _getdependencies()) + def get_npm_data(self, pkg, version, d): + import bb.fetch2 + pkgfullname = pkg + if version != '*' and not '/' in version: + pkgfullname += "@'%s'" % version + logger.debug(2, "Calling getdeps on %s" % pkg) + runenv = dict(os.environ, PATH=d.getVar('PATH')) + fetchcmd = "npm view %s --json" % pkgfullname + output, _ = bb.process.run(fetchcmd, stderr=subprocess.STDOUT, env=runenv, shell=True) + data = self._parse_view(output) + return data + + # FIXME this is effectively duplicated from lib/bb/fetch2/npm.py + # (split out from _getdependencies()) + def get_npm_package_dependencies(self, pdata, fetchdev): + dependencies = pdata.get('dependencies', {}) + optionalDependencies = pdata.get('optionalDependencies', {}) + dependencies.update(optionalDependencies) + if fetchdev: + devDependencies = pdata.get('devDependencies', {}) + dependencies.update(devDependencies) + else: + devDependencies = {} + depsfound = {} + optdepsfound = {} + devdepsfound = {} + for dep in dependencies: + if dep in optionalDependencies: + optdepsfound[dep] = dependencies[dep] + elif dep in devDependencies: + devdepsfound[dep] = dependencies[dep] + else: + depsfound[dep] = dependencies[dep] + return depsfound, optdepsfound, devdepsfound + + # FIXME this is effectively duplicated from lib/bb/fetch2/npm.py + # (split out from _getdependencies()) + def check_npm_optional_dependency(self, pdata): + pkg_os = pdata.get('os', None) + if pkg_os: + if not isinstance(pkg_os, list): + pkg_os = [pkg_os] + blacklist = False + for item in pkg_os: + if item.startswith('!'): + blacklist = True + break + if (not blacklist and 'linux' not in pkg_os) or '!linux' in pkg_os: + pkg = pdata.get('name', 'Unnamed package') + logger.debug(2, "Skipping %s since it's incompatible with Linux" % pkg) + return False + return True + + +def register_recipe_handlers(handlers): + handlers.append((NpmRecipeHandler(), 60)) |
