add back `_FORMATS` so `Measurement.__format__` does not break

1 files changed, 47 insertions, 0 deletions

diff --git a/pint/formatting.py b/pint/formatting.py
index 94308d1..7ea042b 100644
--- a/pint/formatting.py
+++ b/pint/formatting.py
@@ -70,6 +70,53 @@ def _pretty_fmt_exponent(num):
     return ret
 
 
+#: _FORMATS maps format specifications to the corresponding argument set to
+#: formatter().
+_FORMATS: Dict[str, dict] = {
+    "P": {  # Pretty format.
+        "as_ratio": True,
+        "single_denominator": False,
+        "product_fmt": "·",
+        "division_fmt": "/",
+        "power_fmt": "{}{}",
+        "parentheses_fmt": "({})",
+        "exp_call": _pretty_fmt_exponent,
+    },
+    "L": {  # Latex format.
+        "as_ratio": True,
+        "single_denominator": True,
+        "product_fmt": r" \cdot ",
+        "division_fmt": r"\frac[{}][{}]",
+        "power_fmt": "{}^[{}]",
+        "parentheses_fmt": r"\left({}\right)",
+    },
+    "Lx": {"siopts": "", "pm_fmt": " +- "},  # Latex format with SIunitx.
+    "H": {  # HTML format.
+        "as_ratio": True,
+        "single_denominator": True,
+        "product_fmt": r" ",
+        "division_fmt": r"{}/{}",
+        "power_fmt": r"{}<sup>{}</sup>",
+        "parentheses_fmt": r"({})",
+    },
+    "": {  # Default format.
+        "as_ratio": True,
+        "single_denominator": False,
+        "product_fmt": " * ",
+        "division_fmt": " / ",
+        "power_fmt": "{} ** {}",
+        "parentheses_fmt": r"({})",
+    },
+    "C": {  # Compact format.
+        "as_ratio": True,
+        "single_denominator": False,
+        "product_fmt": "*",  # TODO: Should this just be ''?
+        "division_fmt": "/",
+        "power_fmt": "{}**{}",
+        "parentheses_fmt": r"({})",
+    },
+}
+
 #: _FORMATTERS maps format names to callables doing the formatting
 _FORMATTERS: Dict[str, Callable] = {}