Implement "package unpublish" CLI

platformio/package/spec.py

@@ -0,0 +1,42 @@
+# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+
+class PackageSpec(object):
+    def __init__(self, raw=None, organization=None, name=None, version=None):
+        if raw is not None:
+            organization, name, version = self.parse(raw)
+
+        self.organization = organization
+        self.name = name
+        self.version = version
+
+    @staticmethod
+    def parse(raw):
+        organization = None
+        name = None
+        version = None
+        raw = raw.strip()
+        if raw.startswith("@") and "/" in raw:
+            tokens = raw[1:].split("/", 1)
+            organization = tokens[0].strip()
+            raw = tokens[1]
+        if "@" in raw:
+            name, version = raw.split("@", 1)
+            name = name.strip()
+            version = version.strip()
+        else:
+            name = raw.strip()
+
+        return organization, name, version