import quincy 17.2.0

[ceph.git] / ceph / src / arrow / dev / archery / archery / linking.py

diff --git a/ceph/src/arrow/dev/archery/archery/linking.py b/ceph/src/arrow/dev/archery/archery/linking.py
new file mode 100644 (file)
index 0000000..c2e6f17
--- /dev/null
+++ b/ceph/src/arrow/dev/archery/archery/linking.py
@@ -0,0 +1,75 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you 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 platform
+import subprocess
+
+from .utils.command import Command
+
+
+_ldd = Command("ldd")
+_otool = Command("otool")
+
+
+class DependencyError(Exception):
+    pass
+
+
+class DynamicLibrary:
+
+    def __init__(self, path):
+        self.path = path
+
+    def list_dependencies(self):
+        """
+        List the full name of the library dependencies.
+        """
+        system = platform.system()
+        if system == "Linux":
+            result = _ldd.run(self.path, stdout=subprocess.PIPE)
+            lines = result.stdout.splitlines()
+            return [ll.split(None, 1)[0].decode() for ll in lines]
+        elif system == "Darwin":
+            result = _otool.run("-L", self.path, stdout=subprocess.PIPE)
+            lines = result.stdout.splitlines()
+            return [dl.split(None, 1)[0].decode() for dl in lines]
+        else:
+            raise ValueError(f"{platform} is not supported")
+
+    def list_dependency_names(self):
+        """
+        List the truncated names of the dynamic library dependencies.
+        """
+        names = []
+        for dependency in self.list_dependencies():
+            *_, library = dependency.rsplit("/", 1)
+            name, *_ = library.split(".", 1)
+            names.append(name)
+        return names
+
+
+def check_dynamic_library_dependencies(path, allowed, disallowed):
+    dylib = DynamicLibrary(path)
+    for dep in dylib.list_dependency_names():
+        if allowed and dep not in allowed:
+            raise DependencyError(
+                f"Unexpected shared dependency found in {dylib.path}: `{dep}`"
+            )
+        if disallowed and dep in disallowed:
+            raise DependencyError(
+                f"Disallowed shared dependency found in {dylib.path}: `{dep}`"
+            )