Ignore not-indented ldd output

lddwrap/__init__.py

@@ -124,6 +124,7 @@ def _parse_line(line: str) -> Optional[Dependency]:
 
     """
     found = not 'not found' in line
+    no_version_info = 'no version information available' in line
     parts = [part.strip() for part in line.split(' ')]
     # pylint: disable=line-too-long
     # There are two types of outputs for a dependency, with or without soname.
@@ -162,6 +163,9 @@ def _parse_line(line: str) -> Optional[Dependency]:
             soname=soname, path=dep_path, found=found, mem_address=mem_address)
     else:
         if len(parts) != 2:
+            if no_version_info:
+                return None
+
             raise RuntimeError(
                 "Expected 2 parts in the line but found {}: {}".format(
                     len(parts), line))

tests/test_ldd.py

@@ -130,7 +130,7 @@ def test_parse_wrong_line(self):
         # ``parse_line`` raises a RuntimeError when it receives an unexpected
         # structured line
         run_err = None  # type: Optional[RuntimeError]
-        line = "some wrong data which does not make sense"
+        line = "\tsome wrong data which does not make sense"
         try:
             lddwrap._parse_line(line=line)  # pylint: disable=protected-access
         except RuntimeError as err:
@@ -141,6 +141,20 @@ def test_parse_wrong_line(self):
             'Expected 2 parts in the line but found {}: {}'.format(
                 line.count(' ') + 1, line), str(run_err))
 
+    def test_parse_non_indented_line(self):
+        """Lines without leading indentation, at this point in processing, are
+        informational.
+        """
+        # https://github.com/Parquery/pylddwrap/pull/14
+        line = (
+            "qt/6.0.2/gcc_64/plugins/sqldrivers/libqsqlpsql.so:" +
+            " /lib/x86_64-linux-gnu/libpq.so.5:" +
+            " no version information available" +
+            " (required by qt/6.0.2/gcc_64/plugins/sqldrivers/libqsqlpsql.so)")
+        result = lddwrap._parse_line(line=line)  # pylint: disable=protected-access
+
+        self.assertIsNone(result)
+
     def test_parse_static(self) -> None:
         """Test parsing of the output when we ldd a static library."""
         # pylint: disable=protected-access