Remove DateValue, drop Py<3.6, fix tests.

[librarian.git] / src / librarian / meta / types / date.py

diff --git a/src/librarian/meta/types/date.py b/src/librarian/meta/types/date.py
deleted file mode 100644 (file)
index dcadef5..0000000
--- a/src/librarian/meta/types/date.py
+++ /dev/null
@@ -1,58 +0,0 @@
-from .base import MetaValue
-
-
-class DateValue(MetaValue):
-    @classmethod
-    def from_text(cls, text):
-        """
-        Dates for digitization of pictures. It seems we need the following:
-        ranges:                '1350-1450',
-        centuries:     "XVIII w.'
-        half centuries/decades: '2 poł. XVIII w.', 'XVII w., l. 20'
-        later-then: 'po 1450'
-        circa 'ok. 1813-1814', 'ok.1876-ok.1886
-        turn: 1893/1894
-
-        For now we will translate this to some single date
-        losing information of course.
-        """
-        try:
-            # check out the "N. poł X w." syntax
-            if isinstance(text, six.binary_type):
-                text = text.decode("utf-8")
-
-            century_format = (
-                u"(?:([12]) *poł[.]? +)?([MCDXVI]+) *w[.,]*(?: *l[.]? *([0-9]+))?"
-            )
-            vague_format = u"(?:po *|ok. *)?([0-9]{4})(-[0-9]{2}-[0-9]{2})?"
-
-            m = re.match(century_format, text)
-            m2 = re.match(vague_format, text)
-            if m:
-                half = m.group(1)
-                decade = m.group(3)
-                century = roman_to_int(m.group(2))
-                if half is not None:
-                    if decade is not None:
-                        raise ValueError(
-                            "Bad date format. "
-                            "Cannot specify both half and decade of century."
-                        )
-                    half = int(half)
-                    t = ((century*100 + (half-1)*50), 1, 1)
-                else:
-                    decade = int(decade or 0)
-                    t = ((century*100 + decade), 1, 1)
-            elif m2:
-                year = m2.group(1)
-                mon_day = m2.group(2)
-                if mon_day:
-                    t = time.strptime(year + mon_day, "%Y-%m-%d")
-                else:
-                    t = time.strptime(year, '%Y')
-            else:
-                raise ValueError
-
-            return cls(date(t[0], t[1], t[2]))
-        except ValueError:
-            raise ValueError("Unrecognized date format. Try YYYY-MM-DD or YYYY.")