Move source from 'buildstream' to 'src/buildstream'

This was discussed in #1008.

Fixes #1009.

1 files changed, 51 insertions, 0 deletions

diff --git a/src/buildstream/plugins/elements/pip.py b/src/buildstream/plugins/elements/pip.py
new file mode 100644
index 000000000..4a9eefde1
--- /dev/null
+++ b/src/buildstream/plugins/elements/pip.py
@@ -0,0 +1,51 @@
+#
+#  Copyright (C) 2017 Mathieu Bridon
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU Lesser General Public
+#  License as published by the Free Software Foundation; either
+#  version 2 of the License, or (at your option) any later version.
+#
+#  This library 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
+#  Lesser General Public License for more details.
+#
+#  You should have received a copy of the GNU Lesser General Public
+#  License along with this library. If not, see <http://www.gnu.org/licenses/>.
+#
+#  Authors:
+#        Mathieu Bridon <bochecha@daitauha.fr>
+
+"""
+pip - Pip build element
+=======================
+A :mod:`BuildElement <buildstream.buildelement>` implementation for installing
+Python modules with pip
+
+The pip default configuration:
+  .. literalinclude:: ../../../src/buildstream/plugins/elements/pip.yaml
+     :language: yaml
+
+See :ref:`built-in functionality documentation <core_buildelement_builtins>` for
+details on common configuration options for build elements.
+"""
+
+from buildstream import BuildElement, SandboxFlags
+
+
+# Element implementation for the 'pip' kind.
+class PipElement(BuildElement):
+    # Supports virtual directories (required for remote execution)
+    BST_VIRTUAL_DIRECTORY = True
+
+    # Enable command batching across prepare() and assemble()
+    def configure_sandbox(self, sandbox):
+        super().configure_sandbox(sandbox)
+        self.batch_prepare_assemble(SandboxFlags.ROOT_READ_ONLY,
+                                    collect=self.get_variable('install-root'))
+
+
+# Plugin entry point
+def setup():
+    return PipElement