python · matrixise · matrixise · matrixise · Feb 7, 2018 · the-knights-who-say-ni
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
    the number of microseconds based on the input string and the
-    format string."""
+    format string, and the GMT offset."""
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
@@ -565,6 +566,10 @@ def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
            hour, minute, second,
            weekday, julian, tz, tzname, gmtoff), fraction, gmtoff_fraction

+date_specs = ('%a', '%A', '%b', '%B', '%c', '%d', '%j', '%m', '%U',
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
@@ -565,6 +566,10 @@ def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
            hour, minute, second,
            weekday, julian, tz, tzname, gmtoff), fraction, gmtoff_fraction

+date_specs = ('%a', '%A', '%b', '%B', '%c', '%d', '%j', '%m', '%U',
+              '%w', '%W', '%x', '%y', '%Y',)
+time_specs = ('%T', '%R', '%H', '%I', '%M', '%S', '%f', '%i', '%s',)
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
+        _time = _strptime_datetime(datetime_datetime, data_string, format)
+        return _time.time()
+
+def _check_invalid_datetime_specs(fmt, specs, msg):
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
@@ -565,6 +566,10 @@ def _strptime(data_string, format="%a %b %d %H:%M:%S %Y"):
            hour, minute, second,
            weekday, julian, tz, tzname, gmtoff), fraction, gmtoff_fraction

+date_specs = ('%a', '%A', '%b', '%B', '%c', '%d', '%j', '%m', '%U',
+              '%w', '%W', '%x', '%y', '%Y',)
+time_specs = ('%T', '%R', '%H', '%I', '%M', '%S', '%f', '%i', '%s',)
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
+def _strptime_datetime_date(data_string, format):
+    """Return a date based on the input string and the format string."""
+    if not format:
+        raise ValueError("Date format is not valid.")
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
+        tests = [('2004-12-01 13:02:47.197',
+                  '%Y-%m-%d %H:%M:%S.%f'),
+                 ('2004-12-01', '%Y-%m-%d'),]
+        for date_string, date_format in tests:
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
+     */
+    if (emptyDatetime == NULL) {
+        PyObject *emptyStringPair = Py_BuildValue("ss", "", "");
+        if (emptyStringPair == NULL)
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
+   Return a :class:`date` corresponding to *date_string*, parsed according to
+   *format*. :exc:`ValueError` is raised if the date string and format can't be
+   parsed by `time.strptime`, or if it returns a value where the time part is
+   nonzero.
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
 {
    return new_date(GET_YEAR(self),
                    GET_MONTH(self),
                    GET_DAY(self));
 }

 static PyObject *
-datetime_gettime(PyDateTime_DateTime *self, PyObject *Py_UNUSED(ignored))
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
+        return NULL;
+    }
+
+    if (DATE_GET_HOUR(datetime) ||
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
+        tests = [('2004-12-01 13:02:47.197',
+                  '%Y-%m-%d %H:%M:%S.%f'),
+                 ('2004-12-01', '%Y-%m-%d'),]
+        for date_string, date_format in tests:
diff --git a/Lib/test/datetimetester.py b/Lib/test/datetimetester.py
+        tests = [
+            ('2004-12-01 13:02:47.197', '%Y-%m-%d %H:%M:%S.%f'),
+            ('01', '%M'),
+            ('02', '%H'),
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
+   *format*. :exc:`ValueError` is raised if the date string and format can't be
+   parsed by :meth:`time.strptime`, or if time components are present in the
+   format string.
+
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
+   Return a :class:`time` corresponding to *date_string, parsed according to
+   *format*. :exc:`ValueError` is raised if the date string and format can't be
+   parsed by :meth:`time.strptime`, if it returns a value which isn't a time tuple,
+   or if the date part is nonzero.
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
    the number of microseconds based on the input string and the
-    format string."""
+    format string, and the GMT offset."""
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
+        if spec in fmt:
+            found_invalid_specs.append(spec)
+    if found_invalid_specs:
+        suffix = "are" if len(found_invalid_specs) > 1 else "is"
diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-02-07-10-55-58.bpo-1100942.md4agI.rst b/Misc/NEWS.d/next/Core and Builtins/2018-02-07-10-55-58.bpo-1100942.md4agI.rst
@@ -0,0 +1 @@
+Add datetime.date.strptime and datetime.time.strptime class methods.
-Add datetime.date.strptime and datetime.time.strptime class methods.
+Add :func:`datetime.date.strptime` and :func:`datetime.time.strptime` class methods.
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
@@ -2896,6 +2900,36 @@ date_fromordinal(PyObject *cls, PyObject *args)
    return result;
 }

+
+/* Return new date from time.strptime(). */
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
+    PyObject *datetime;
+
+    datetime = datetime_strptime((PyObject *)&PyDateTime_DateTimeType, args);
+
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
+        return NULL;
+    }
+
+    if (DATE_GET_HOUR(datetime) ||
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
+   Return a :class:`date` corresponding to *date_string*, parsed according to
+   *format*. :exc:`ValueError` is raised if the date string and format can't be
+   parsed by :meth:`time.strptime`, or if time components are present in the
+   format string. For a complete list of formatting directives, see
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
+   Return a :class:`time` corresponding to *date_string, parsed according to
+   *format*. :exc:`ValueError` is raised if the date string and format can't be
+   parsed by :meth:`time.strptime`, if it returns a value which isn't a time
+   tuple, or if the date part is nonzero. For a complete list of formatting
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
-is substituted for the year, and ``1`` for the month and day.
+The :meth:`date.strptime` class method creates a :class:`date` object from a
+string representing a date and a corresponding format string. :exc:`ValueError`
+raised if the format codes for hours, minutes, seconds, and microseconds are used.
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
@@ -2023,13 +2046,13 @@ equivalent to ``datetime(*(time.strptime(date_string, format)[0:6]))``, except
 when the format includes sub-second components or timezone offset information,
 which are supported in ``datetime.strptime`` but are discarded by ``time.strptime``.
diff --git a/Doc/library/datetime.rst b/Doc/library/datetime.rst
+
+.. classmethod:: time.strptime(date_string, format)
+
+   Return a :class:`time` corresponding to *date_string, parsed according to
diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
+datetime
+--------
+
+Added :func:`~datetime.date.strptime` and :func:`~datetime.time.strptime`.
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
+        return NULL;
+    }
+
+    assert(PyTuple_CheckExact(specs) || PyList_CheckExact(specs));
diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
+        return NULL;
+    }
+
+    if (DATE_GET_HOUR(datetime) ||
diff --git a/Lib/_strptime.py b/Lib/_strptime.py
+    """Return a date based on the input string and the format string."""
+    msg = "'{!s}' {} not valid in date format specification."
+    from _datetime import _check_invalid_datetime_specs
+    if _check_invalid_datetime_specs(format, time_specs, msg):
		@@ -0,0 +1 @@
		Add datetime.date.strptime and datetime.time.strptime class methods.
	Add datetime.date.strptime and datetime.time.strptime class methods.
	Add :func:`datetime.date.strptime` and :func:`datetime.time.strptime` class methods.
		PyObject *datetime;

		datetime = datetime_strptime((PyObject *)&PyDateTime_DateTimeType, args);
		@@ -2023,13 +2046,13 @@ equivalent to ``datetime(*(time.strptime(date_string, format)[0:6]))``, except
		when the format includes sub-second components or timezone offset information,
		which are supported in ``datetime.strptime`` but are discarded by ``time.strptime``.

		.. classmethod:: time.strptime(date_string, format)

		Return a :class:`time` corresponding to *date_string, parsed according to