Refs #24372

Martyn Gigg authored 6 years ago and Gigg, Martyn Anthony committed 6 years ago

getDimension() returns a shared_ptr that is immediately
deleted which caused frame to become dangling reference.

Martyn Gigg authored 6 years ago and Gigg, Martyn Anthony committed 6 years ago

It is now possible to import just classes and functions
from mantid without having to standup the entire framework.
One key thing this will allow is importing the
FrameworkManager without initializing it and setting some
static attributes such as the the application name.

- changed the directory search for instruments back to only searching inside `getInstrumentDirectories()`
- created a new `FileDescriptor` function `isXML()` to determine if a file is of XML type (currently this is true if the file is Ascii and has an ".xml" extension)
- made `FileDescriptor.extension()` to always be lowercase
- created new functions `toLower()` and `toUpper()` in `Kernel::Strings` to convert input strings to lowercase/uppercase
- added a test for `LoadEmptyInstrument` where `LOKI` is loaded from instrument name

Fix __main__ for matrixworkspacedisplay not running properly
Added a type check in the model + test
TableViewModel types now use py3compat Enum
Removed unused function from view.py
Added new Enum type - MantidAxType, used in various places to specify
axis

The instrument/IDFs_for_UNIT_TESTING directory was renamed to instrument/unit_testing, as it now contains nexus as well as IDF files.
All the paths in the source were changed accordingly.

The SMALLFAKE_example_geometry.hdf5 was moved from the build ExternalData to instrument/unit_testing.

The LOKI_Definition.hdf5,SANS2D_Definition_Tubes.hdf5,WISH_Definition_10Panels.hdf5 files were moved
from the build ExternalData to instrument/unit_testing.