Changeset dcd534e in sasview for src/sas/sascalc/dataloader

Timestamp:

Dec 5, 2017 6:55:39 AM (7 years ago)

Author:

krzywon

Children:

163c3e0

Parents:

814ee32 (diff), 79c9ce5 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge branch 'master' into sesans_reader

Location:

src/sas/sascalc/dataloader

Files:

• file_reader_base_class.py (modified) (2 diffs)
• readers/sesans_reader.py (modified) (5 diffs)

src/sas/sascalc/dataloader/file_reader_base_class.py

@@ -27 +27 @@
 
 class FileReader(object):
-    # List of Data1D and Data2D objects to be sent back to data_loader
-    output = []
-    # Current plottable_(1D/2D) object being loaded in
-    current_dataset = None
-    # Current DataInfo object being loaded in
-    current_datainfo = None
     # String to describe the type of data this reader can load
     type_name = "ASCII"
@@ -43 +37 @@
     # Able to import the unit converter
     has_converter = True
-    # Open file handle
-    f_open = None
     # Default value of zero
     _ZERO = 1e-16
+
+    def __init__(self):
+        # List of Data1D and Data2D objects to be sent back to data_loader
+        self.output = []
+        # Current plottable_(1D/2D) object being loaded in
+        self.current_dataset = None
+        # Current DataInfo object being loaded in
+        self.current_datainfo = None
+        # Open file handle
+        self.f_open = None
 
     def read(self, filepath):

src/sas/sascalc/dataloader/readers/sesans_reader.py

@@ -12 +12 @@
 from ..file_reader_base_class import FileReader
 from ..data_info import plottable_1D, DataInfo
-from ..loader_exceptions import FileContentsException, DataReaderException
+from ..loader_exceptions import FileContentsException
 
 # Check whether we have a converter available
@@ -18 +18 @@
 try:
     from sas.sascalc.data_util.nxsunit import Converter
-except:
+except ImportError:
     has_converter = False
 _ZERO = 1e-16
@@ -46 +46 @@
         line = self.nextline()
         params = {}
-        while not line.startswith("BEGIN_DATA"):
+        while line and not line.startswith("BEGIN_DATA"):
             terms = line.split()
             if len(terms) >= 2:
@@ -63 +63 @@
             raise FileContentsException("Wavelength has no units")
         if params["SpinEchoLength_unit"] != params["Wavelength_unit"]:
-            raise FileContentsException("The spin echo data has rudely used "
-                               "different units for the spin echo length "
-                               "and the wavelength.  While sasview could "
-                               "handle this instance, it is a violation "
-                               "of the file format and will not be "
-                               "handled by other software.")
+            raise FileContentsException(
+                "The spin echo data has rudely used "
+                "different units for the spin echo length "
+                "and the wavelength.  While sasview could "
+                "handle this instance, it is a violation "
+                "of the file format and will not be "
+                "handled by other software.")
 
         headers = self.nextline().split()
@@ -86 +87 @@
 
         if not data.size:
-            raise FileContentsException("{} is empty".format(path))
+            raise FileContentsException("{} is empty".format(self.filepath))
         x = data[:, headers.index("SpinEchoLength")]
         if "SpinEchoLength_error" in headers: