Add initial code

[ta/build-tools.git] / tools / package.py

diff --git a/tools/package.py b/tools/package.py
new file mode 100755 (executable)
index 0000000..1a42af9
--- /dev/null
+++ b/tools/package.py
@@ -0,0 +1,53 @@
+# Copyright 2019 Nokia
+#
+# 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.
+
+import yaml
+
+from tools.statics import PACKAGES_CONFIG_PATH
+
+
+class PackageConfigReader(object):
+    def __init__(self, config_file=PACKAGES_CONFIG_PATH):
+        self.config_file = config_file
+        self.config = None
+        self._read_file()
+
+    def _read_file(self):
+        with open(self.config_file, 'r') as fp:
+            self.config = yaml.load(fp)
+
+    def get(self, package_operation_type):
+        return self._get_packages_by_type(package_operation_type)
+
+    def _get_packages_by_type(self, package_operation_type):
+        if self.config is None:
+            return []
+        if package_operation_type == 'install':
+            return self._get_installed_packages()
+        elif package_operation_type == 'uninstall':
+            return self._get_uninstalled_packages()
+        raise Exception('Never here')
+
+    def _get_uninstalled_packages(self):
+        return sorted([p for p in self.config if not self._is_install_package(p)])
+
+    def _get_installed_packages(self):
+        return sorted([p for p in self.config if self._is_install_package(p)])
+
+    def _is_install_package(self, package):
+        if self.config[package] is None:
+            return True
+        if self.config[package].get('uninstall') is True:
+            return False
+        return True