replaced abandoned package 'si-prefix' with 'quantiphy'

src/helperFunctions/web_interface.py

@@ -7,7 +7,7 @@
 from common_helper_files import get_binary_from_file
 from matplotlib import cm, colors
 from passlib.context import CryptContext
-from si_prefix import si_format
+from quantiphy import Quantity
 
 from helperFunctions.fileSystem import get_template_dir
 
@@ -113,7 +113,9 @@ def cap_length_of_element(hid_element: str, maximum: int = 55) -> str:
 
 
 def _format_si_prefix(number: float, unit: str) -> str:
-    return f'{si_format(number, precision=2)}{unit}'
+    quantity = Quantity(number, unit)
+    quantity.set_prefs(map_sf={'u': 'µ'})
+    return quantity.render(prec=2)
 
 
 def format_time(seconds: float) -> str:

src/install/requirements_frontend.txt

@@ -12,7 +12,7 @@ matplotlib==3.5.3
 more_itertools==9.0.0
 prompt_toolkit==3.0.32
 python-dateutil==2.8.2
-si-prefix==1.2.2
+quantiphy==2.19
 uwsgi==2.0.22
 virtualenv
 

src/test/unit/helperFunctions/test_web_interface.py

@@ -74,9 +74,9 @@ def test_cap_length_of_element_short():
 @pytest.mark.parametrize(
     ('number', 'unit', 'expected_output'),
     [
-        (1, 'm', '1.00 m'),
-        (0.034, 'g', '34.00 mg'),
-        (0.0000123456789, 's', '12.35 µs'),
+        (1, 'm', '1 m'),
+        (0.034, 'g', '34 mg'),
+        (0.0000123456789, 's', '12.3 µs'),
         (1234.5, 'm', '1.23 km'),
     ],
 )
@@ -87,8 +87,8 @@ def test_format_si_prefix(number, unit, expected_output):
 @pytest.mark.parametrize(
     ('seconds', 'expected_output'),
     [
-        (2, '2.00 s'),
-        (0.2, '200.00 ms'),
+        (2, '2 s'),
+        (0.2, '200 ms'),
         (120, '0:02:00'),
         (100000, '1 day, 3:46:40'),
     ],