parsing: Swicthed out copper xray_info

Author: Somerandomguy10111

xrdpattern/crystal/components/crystal.py

@@ -27,8 +27,9 @@ class CrystalStructure(JsonDataclass):
     phase_fraction: Optional[float] = None
 
     def __post_init__(self):
-        if not 0 <= self.phase_fraction <= 1:
-            raise ValueError(f'Phase fraction must be between 0 and 1. Got {self.phase_fraction}')
+        if not self.phase_fraction is None:
+            if not 0 <= self.phase_fraction <= 1:
+                raise ValueError(f'Phase fraction must be between 0 and 1. Got {self.phase_fraction}')
 
     @classmethod
     def from_cif(cls, cif_content : str) -> CrystalStructure:

xrdpattern/parsing/dat/dat_parser.py

@@ -1,6 +1,6 @@
 import numpy as np
 
-from xrdpattern.xrd import XrdData, XrdAnode
+from xrdpattern.xrd import XrdData, XrdAnode, XrayInfo
 
 
 class DatParser:
@@ -21,7 +21,7 @@ def extract_multi(self, fpath : str) -> list[XrdData]:
             x,y = x[l:], y[l:]
 
             new_pattern = XrdData.make_unlabeled(two_theta_values=pattern_angles, intensities=pattern_intensities)
-            new_pattern.powder_experiment.xray_info = XrdAnode.Cu.get_xray_info()
+            new_pattern.powder_experiment.xray_info = XrayInfo.copper_xray()
             patterns.append(new_pattern)
 
         return patterns

xrdpattern/xrd/xray.py

@@ -1,3 +1,4 @@
+from __future__ import annotations
 from dataclasses import dataclass
 from typing import Optional
 
@@ -9,6 +10,10 @@ class XrayInfo(JsonDataclass):
     primary_wavelength: Optional[float]
     secondary_wavelength: Optional[float]
 
+    @classmethod
+    def copper_xray(cls) -> XrayInfo:
+        return cls.from_anode(element=XrdAnode.Cu)
+
     @classmethod
     def from_anode(cls, element : str):
         MATERIAL_TO_WAVELNGTHS = {