Monkey patch astropy so that configuration system works

Author: mdboom

astroquery/__init__.py

@@ -15,3 +15,39 @@
 # For egg_info test builds to pass, put package imports here.
 #if not _ASTROPY_SETUP_:
 #    from astroquery import *
+
+
+# This is to monkey-patch around a config system bug in astropy 1.0.1.
+# REMOVEME: when astropy 1.0.1 support is no longer needed
+if not _ASTROPY_SETUP_:
+    import astropy
+    if astropy.__version__ == '1.0.1':
+        from astropy.config import configuration
+
+        _existing_ConfigItem__init__ = configuration.ConfigItem.__init__
+
+        def _monkey_patch_1_0_1_ConfigItem__init__(
+                self, defaultvalue='', description=None, cfgtype=None,
+                module=None, aliases=None):
+            if module is None:
+                from astropy.utils import find_current_module
+                module = find_current_module(2)
+                if module is None:
+                    msg1 = 'Cannot automatically determine get_config module, '
+                    msg2 = 'because it is not called from inside a valid module'
+                    raise RuntimeError(msg1 + msg2)
+                else:
+                    module = module.__name__
+
+            return _existing_ConfigItem__init__(
+                self,
+                defaultvalue=defaultvalue,
+                description=description,
+                cfgtype=cfgtype,
+                module=module,
+                aliases=aliases)
+
+        # Don't apply the same monkey patch twice
+        if (configuration.ConfigItem.__init__.__name__ !=
+            '_monkey_patch_1_0_1_ConfigItem__init__'):
+            configuration.ConfigItem.__init__ = _monkey_patch_1_0_1_ConfigItem__init__