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-rw-r--r--debian/lib/python/debian_linux/abi.py45
1 files changed, 45 insertions, 0 deletions
diff --git a/debian/lib/python/debian_linux/abi.py b/debian/lib/python/debian_linux/abi.py
new file mode 100644
index 000000000..abaaeeaa9
--- /dev/null
+++ b/debian/lib/python/debian_linux/abi.py
@@ -0,0 +1,45 @@
+class Symbol(object):
+ def __init__(self, name, namespace, module, version, export):
+ self.name, self.namespace, self.module = name, namespace, module
+ self.version, self.export = version, export
+
+ def __eq__(self, other):
+ if not isinstance(other, Symbol):
+ return NotImplemented
+
+ # Symbols are resolved to modules by depmod at installation/
+ # upgrade time, not compile time, so moving a symbol between
+ # modules is not an ABI change. Compare everything else.
+ if self.name != other.name:
+ return False
+ if self.namespace != other.namespace:
+ return False
+ if self.version != other.version:
+ return False
+ if self.export != other.export:
+ return False
+
+ return True
+
+ def __ne__(self, other):
+ ret = self.__eq__(other)
+ if ret is NotImplemented:
+ return ret
+ return not ret
+
+
+class Symbols(dict):
+ def __init__(self, file=None):
+ if file:
+ self.read(file)
+
+ def read(self, file):
+ for line in file:
+ version, name, module, export, namespace = \
+ line.strip('\r\n').split('\t')
+ self[name] = Symbol(name, namespace, module, version, export)
+
+ def write(self, file):
+ for s in sorted(self.values(), key=lambda i: i.name):
+ file.write("%s\t%s\t%s\t%s\t%s\n" %
+ (s.version, s.name, s.module, s.export, s.namespace))