release: 0.5.0

Allow slang methods to change locale

AUTHORS.rst

@@ -24,3 +24,4 @@ In chronological order:
 - Evan Mattiza <emattiza@gmail.com> (`@emattiza <https://github.com/emattiza>`_)
 - Dima Spivak <dima@spivak.ch> (`@dimaspivak <https://github.com/dimaspivak>`_)
 - Tom Barron <tusculum@gmail.com> (`@dtbarron <https://github.com/tbarron>`_)
+- Alex Ward <alxwrd@gmail.com> (`@alxwrd <https://github.com/alxwrd>`_)

README.rst

@@ -77,6 +77,10 @@ Behold, datetimes for humans!
     >>> m = maya.MayaDT.from_struct(time.gmtime())
     >>> print(m)
     Wed, 20 Sep 2017 17:24:32 GMT
+    
+    >>> m = maya.MayaDT(time.time())
+    >>> print(m)
+    Wed, 20 Sep 2017 17:24:32 GMT
 
     >>> rand_day.day
     7

maya/__version__.py

@@ -1 +1 @@
-__version__ = '0.4.1'
+__version__ = '0.5.0'

maya/core.py

@@ -14,6 +14,7 @@ import pendulum
 import snaptime
 from tzlocal import get_localzone
 from dateutil.relativedelta import relativedelta
+from dateparser.languages.loader import default_loader
 
 from .compat import cmp, comparable
 
@@ -257,6 +258,14 @@ class MayaDT(object):
                 dt = dt.replace(tzinfo=self._tz)
         return dt
 
+    def local_datetime(self):
+        """Returns a local timezone-aware datetime object
+
+        It's the same as:
+        mayaDt.datetime(to_timezone=mayaDt.local_timezone)
+        """
+        return self.datetime(to_timezone=self.local_timezone, naive=False)
+
     def iso8601(self):
         """Returns an ISO 8601 representation of the MayaDT."""
         # Get a timezone-naive datetime.
@@ -269,7 +278,7 @@ class MayaDT(object):
 
     def rfc3339(self):
         """Returns an RFC 3339 representation of the MayaDT."""
-        return self.datetime().strftime("%Y-%m-%dT%H:%M:%S.%f")[:-4] + "Z"
+        return self.datetime().strftime("%Y-%m-%dT%H:%M:%S.%f")[:-5] + "Z"
 
     # Properties
     # ----------
@@ -323,15 +332,39 @@ class MayaDT(object):
 
     # Human Slang Extras
     # ------------------
-    def slang_date(self):
-        """"Returns human slang representation of date."""
-        dt = self.datetime(naive=True, to_timezone=self.local_timezone)
-        return humanize.naturaldate(dt)
+    def slang_date(self, locale="en"):
+        """"Returns human slang representation of date.
 
-    def slang_time(self):
-        """"Returns human slang representation of time."""
-        dt = self.datetime(naive=True, to_timezone=self.local_timezone)
-        return humanize.naturaltime(dt)
+        Keyword Arguments:
+            locale -- locale to translate to, e.g. 'fr' for french.
+                       (default: 'en' - English)
+        """
+        dt = pendulum.instance(self.datetime())
+
+        try:
+            return _translate(dt, locale)
+        except KeyError:
+            pass
+
+        dt.set_formatter("alternative")
+        delta = humanize.time.abs_timedelta(
+            timedelta(seconds=(self.epoch - now().epoch)))
+
+        format_string = "DD MMM"
+        if delta.days >= 365:
+            format_string += " YYYY"
+
+        return dt.format(format_string, locale=locale).title()
+
+    def slang_time(self, locale="en"):
+        """"Returns human slang representation of time.
+
+        Keyword Arguments:
+            locale -- locale to translate to, e.g. 'fr' for french.
+                       (default: 'en' - English)
+        """
+        dt = self.datetime()
+        return pendulum.instance(dt).diff_for_humans(locale=locale)
 
 
 def utc_offset(time_struct=None):
@@ -751,6 +784,16 @@ def _seconds_or_timedelta(duration):
     return dt_timedelta
 
 
+def _translate(dt, target_locale):
+    en = default_loader.get_locale("en")
+    target = default_loader.get_locale(target_locale)
+    naturaldate = humanize.naturaldate(dt)
+
+    base = en.translate(naturaldate, settings=dateparser.conf.settings)
+
+    return target.info["relative-type"][base][-1]
+
+
 def intervals(start, end, interval):
     """
     Yields MayaDT objects between the start and end MayaDTs given,

tests/test_maya.py

@@ -158,9 +158,19 @@ def test_slang_date():
     assert d.slang_date() == 'tomorrow'
 
 
+def test_slang_date_locale():
+    d = maya.when('tomorrow')
+    assert d.slang_date(locale='fr') == 'demain'
+
+
 def test_slang_time():
     d = maya.when('1 hour ago')
-    assert d.slang_time() == 'an hour ago'
+    assert d.slang_time() == '1 hour ago'
+
+
+def test_slang_time_locale():
+    d = maya.when('1 hour ago')
+    assert d.slang_time(locale='de') == 'vor 1 Stunde'
 
 
 @pytest.mark.parametrize("string,kwds,expected", [
@@ -239,13 +249,20 @@ def test_datetime_to_timezone():
     assert dt.tzinfo.zone == 'US/Eastern'
 
 
-def test_rfc3339():
+def test_rfc3339_epoch():
     mdt = maya.when('2016-01-01')
     out = mdt.rfc3339()
     mdt2 = maya.MayaDT.from_rfc3339(out)
     assert mdt.epoch == mdt2.epoch
 
 
+def test_rfc3339_format():
+    rfc3339 = maya.MayaDT.rfc3339(maya.when('2016-01-01T12:03:03Z'))
+    # it's important that the string has got a "max 1-digit millis" fragment
+    # as per https://tools.ietf.org/html/rfc3339#section-5.6
+    assert rfc3339 == '2016-01-01T12:03:03.0Z'
+
+
 @pytest.mark.usefixtures("frozen_now")
 def test_comparison_operations():
     now = maya.now()
@@ -342,6 +359,28 @@ def test_core_local_timezone(monkeypatch):
     assert mdt.local_timezone == 'UTC'
 
 
+def test_getting_datetime_for_local_timezone(monkeypatch):
+
+    @property
+    def mock_local_tz(self):
+        class StaticTzInfo(object):
+            zone = 'Europe/Zurich'
+
+            def __repr__(self):
+                return "<StaticTzInfo 'Europe/Zurich'>"
+
+        return StaticTzInfo()
+
+    monkeypatch.setattr(maya.MayaDT, '_local_tz', mock_local_tz)
+
+    d = maya.parse('1994-02-21T12:00:00+05:30')
+
+    dt = pytz.timezone('Europe/Zurich').localize(
+            Datetime(1994, 2, 21, 7, 30))
+
+    assert d.local_datetime() == dt
+
+
 @pytest.mark.parametrize("when_str,snap_str,expected_when", [
     ('Mon, 21 Feb 1994 21:21:42 GMT', '@d',
      'Mon, 21 Feb 1994 00:00:00 GMT'),