131     def supports(self, ud, d):  argument
133         return ud.type in ["npm"]
135     def urldata_init(self, ud, d):  argument
137         ud.package = None
138         ud.version = None
139         ud.registry = None
142         if "package" in ud.parm:
143             ud.package = ud.parm.get("package")
145         if not ud.package:
146             raise MissingParameterError("Parameter 'package' required", ud.url)
149         if "version" in ud.parm:
150             ud.version = ud.parm.get("version")
152         if not ud.version:
153             raise MissingParameterError("Parameter 'version' required", ud.url)
155         if not is_semver(ud.version) and not ud.version == "latest":
156             raise ParameterError("Invalid 'version' parameter", ud.url)
159         ud.registry = re.sub(r"^npm://", "https://", ud.url.split(";")[0])
163         if "downloadfilename" in ud.parm:
164             ud.localfile = npm_localfile(d.expand(ud.parm["downloadfilename"]))
166             ud.localfile = npm_localfile(ud.package, ud.version)
169         ud.basecmd = d.getVar("FETCHCMD_npm") or "npm"
176         ud.proxy = None
177         ud.needdonestamp = False
178         ud.resolvefile = self.localpath(ud, d) + ".resolved"
180     def _resolve_proxy_url(self, ud, d):  argument
184             args.append(("registry", ud.registry))
185             pkgver = shlex.quote(ud.package + "@" + ud.version)
186             cmd = ud.basecmd + " view %s" % pkgver
188             check_network_access(d, cmd, ud.registry)
192                 raise FetchError("Unavailable package %s" % pkgver, ud.url)
199                     raise FetchError(error.get("summary"), ud.url)
201                 if ud.version == "latest":
205                 elif ud.version != view.get("version"):
206                     raise ParameterError("Invalid 'version' parameter", ud.url)
211                 raise FetchError("Invalid view from npm: %s" % str(e), ud.url)
217                 raise FetchError("Invalid 'dist.tarball' in view", ud.url)
220             uri.params["downloadfilename"] = ud.localfile
231                 raise FetchError("Invalid 'dist.integrity' in view", ud.url)
237         bb.utils.mkdirhier(os.path.dirname(ud.resolvefile))
238         with open(ud.resolvefile, "w") as f:
241     def _setup_proxy(self, ud, d):  argument
242         if ud.proxy is None:
243             if not os.path.exists(ud.resolvefile):
244                 self._resolve_proxy_url(ud, d)
246             with open(ud.resolvefile, "r") as f:
253             ud.proxy = Fetch([url], data)
255     def _get_proxy_method(self, ud, d):  argument
256         self._setup_proxy(ud, d)
257         proxy_url = ud.proxy.urls[0]
258         proxy_ud = ud.proxy.ud[proxy_url]
259         proxy_d = ud.proxy.d
263     def verify_donestamp(self, ud, d):  argument
265         proxy_m, proxy_ud, proxy_d = self._get_proxy_method(ud, d)
268     def update_donestamp(self, ud, d):  argument
270         proxy_m, proxy_ud, proxy_d = self._get_proxy_method(ud, d)
273     def need_update(self, ud, d):  argument
275         if not os.path.exists(ud.resolvefile):
277         if ud.version == "latest":
279         proxy_m, proxy_ud, proxy_d = self._get_proxy_method(ud, d)
282     def try_mirrors(self, fetch, ud, d, mirrors):  argument
284         proxy_m, proxy_ud, proxy_d = self._get_proxy_method(ud, d)
287     def download(self, ud, d):  argument
289         self._setup_proxy(ud, d)
290         ud.proxy.download()
292     def unpack(self, ud, rootdir, d):  argument
294         destsuffix = ud.parm.get("destsuffix", "npm")
296         npm_unpack(ud.localpath, destdir, d)
298     def clean(self, ud, d):  argument
300         if os.path.exists(ud.resolvefile):
301             self._setup_proxy(ud, d)
302             ud.proxy.clean()
303             bb.utils.remove(ud.resolvefile)
305     def done(self, ud, d):  argument
307         if not os.path.exists(ud.resolvefile):
309         proxy_m, proxy_ud, proxy_d = self._get_proxy_method(ud, d)