fix small decimal with disabled decimal_quantization

python-babel · Dec 31, 2019 · df9c01c · df9c01c
1 parent 30355ca
commit df9c01c
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/babel/numbers.py b/babel/numbers.py
@@ -1063,7 +1063,7 @@ def _format_int(self, value, min, max, locale):
     def _quantize_value(self, value, locale, frac_prec):
         quantum = get_decimal_quantum(frac_prec[1])
         rounded = value.quantize(quantum)
-        a, sep, b = str(rounded).partition(".")
+        a, sep, b = "{:f}".format(rounded).partition(".")
         number = (self._format_int(a, self.int_prec[0],
                                    self.int_prec[1], locale) +
                   self._format_frac(b or '0', locale, frac_prec))

diff --git a/tests/test_numbers.py b/tests/test_numbers.py
@@ -690,3 +690,7 @@ def test_parse_decimal_nbsp_heuristics():
     n = decimal.Decimal("12345.123")
     assert numbers.parse_decimal("12 345.123", locale="fi") == n
     assert numbers.parse_decimal(numbers.format_decimal(n, locale="fi"), locale="fi") == n
+
+
+def test_very_small_decimal_no_quantization():
+    assert numbers.format_decimal(decimal.Decimal('1E-7'), locale='en', decimal_quantization=False) == '0.0000001'