Debye efficiency (macOS)

build_tools/get_external_dependencies.py

@@ -1,4 +1,5 @@
 import requests
+import platform
 from enum import Enum
 
 class OS(Enum):
@@ -11,7 +12,6 @@ def get_os():
     """
     Get the operating system of the current machine.
     """
-    import platform
     if platform.system() == "Windows":
         return OS.WIN
     elif platform.system() == "Linux":
@@ -23,25 +23,20 @@ def get_os():
 def get_ausaxs():
     _os = get_os()
     url = "https://github.com/SasView/AUSAXS/releases/latest/download/"
-    libs = None
+    lib = None
     if _os == OS.WIN:
-        libs = ["libausaxs.dll"]
+        lib = "libausaxs.dll"
     elif _os == OS.LINUX:
-        libs = ["libausaxs.so"]
+        lib = "libausaxs.so"
     elif _os == OS.MAC:
-        libs = ["libausaxs.dylib"]
-    if libs is not None:
+        lib = "libausaxs.dylib"
+    if lib is not None:
         # we have to use a relative path since the package is not installed yet
         base_loc = "src/sas/sascalc/calculator/ausaxs/lib/"
-        for lib in libs:
-            response = requests.get(url+lib)
+        response = requests.get(url+lib)
 
-            # disable macos for now by renaming the local file
-            if _os is OS.MAC:
-                lib = "libausaxs.dylib"
-
-            with open(base_loc+lib, "wb") as f:
-                f.write(response.content)
+        with open(base_loc+lib, "wb") as f:
+            f.write(response.content)
 
 def fetch_external_dependencies(): 
     #surround with try/except to avoid breaking the build if the download fails

installers/sasview.spec

@@ -14,7 +14,6 @@ datas = [
     ('../src/sas/qtgui/images', "sas/qtgui/images"),
     ('../src/sas/sasview/media', 'media'),
     ('../src/sas/example_data', 'example_data'),
-    ('../src/sas/sascalc/calculator/ausaxs/lib', 'sas/sascalc/calculator/ausaxs/lib'),    
     ('../src/sas/qtgui/Utilities/Reports/report_style.css', 'sas/qtgui/Utilities/Reports'),
     ('../src/sas/qtgui/Perspectives/Fitting/plugin_models', 'plugin_models'),
     ('../src/sas/qtgui/Utilities/WhatsNew/messages', 'sas/qtgui/Utilities/WhatsNew/messages'),
@@ -81,7 +80,7 @@ if platform.system() == 'Windows':
 a = Analysis(
     ['sasview.py'],
     pathex=[],
-    binaries=[],
+    binaries=[('../src/sas/sascalc/calculator/ausaxs/lib', 'sas/sascalc/calculator/ausaxs/lib')],
     datas=datas,
     hiddenimports=hiddenimports,
     hookspath=[],

src/sas/sascalc/calculator/ausaxs/ausaxs_sans_debye.py

@@ -22,7 +22,7 @@ def _attach_hooks():
     with resources.as_file(resources.files("sas.sascalc.calculator.ausaxs.lib")) as loc:
         ext = get_shared_lib_extension()
         if (ext == ""):
-            logging.log("AUSAXS: Unsupported OS. Using default Debye implementation.")
+            logging.info("AUSAXS: Unsupported OS. Using default Debye implementation.")
             return None, lib_state.FAILED
 
         path = loc.joinpath("libausaxs" + ext)
@@ -45,7 +45,7 @@ def _attach_hooks():
             ausaxs_state = lib_state.READY
         except Exception as e:
             ausaxs_state = lib_state.FAILED
-            logging.warning("Failed to hook into AUSAXS library, using default Debye implementation")
+            logging.warning("AUSAXS: Failed to hook into external library; using default Debye implementation")
             print(e)
     return ausaxs, ausaxs_state
 
@@ -118,7 +118,7 @@ def evaluate_sans_debye(q, coords, w):
             status = queue.get_nowait()
             first_time = False
         else:
-            logging.warning(f"AUSAXS calculator seems to have crashed (exit code \"{p.exitcode}\"). Using default Debye implementation instead.")
+            logging.warning(f"AUSAXS: External library seems to have crashed (exit code \"{p.exitcode}\"). Using default Debye implementation instead.")
             ausaxs_state = lib_state.FAILED
             return sasview_sans_debye(q, coords, w)
 
@@ -132,7 +132,7 @@ def evaluate_sans_debye(q, coords, w):
         Iq, status = _invoke(q, coords, w)
 
     if (status != 0):
-        logging.warning(f"AUSAXS calculator terminated unexpectedly (error code \"{status}\"). Using default Debye implementation instead.")
+        logging.warning(f"AUSAXS: External library evaluation terminated unexpectedly (error code \"{status}\"). Using default Debye implementation instead.")
         return sasview_sans_debye(q, coords, w)
 
     return Iq

test/sascalculator/utest_sas_gen.py

@@ -230,11 +230,6 @@ def test_debye_impl(self):
 
         rng = np.random.default_rng(1984)
 
-        from sas.sascalc.calculator.ausaxs.architecture import get_os, OS
-        if get_os() is OS.MAC:
-            self.assertTrue(True, "AUSAXS library is currently not available for MacOS. Skipping test.")
-            return
-
         if not ausaxs_sans_debye.ausaxs_available():
             self.assertTrue(False, "AUSAXS library not found, test cannot be run.")
             return
@@ -257,7 +252,7 @@ def test_debye_impl(self):
             errs = (external - analytical)/analytical
             different_entries = 0
             for val in np.abs(errs):
-                self.assertLessEqual(val, 0.01, "Ensure that the error is acceptable.")
+                self.assertLessEqual(val, 0.02, "Ensure that the error is acceptable.")
                 if val != 0:
                     different_entries += 1
             self.assertTrue(different_entries > len(q)*0.5, "Check that two different algorithms were actually run.")
@@ -273,7 +268,7 @@ def test_debye_impl(self):
 
         errs = (external - analytical)/analytical
         for val in np.abs(errs):
-            self.assertLessEqual(val, 0.01)
+            self.assertLessEqual(val, 0.02)
 
     def test_calculator_elements(self):
         """