fix Ed is stripped in LaTeX formats

Ref: cern-sis/issues-inspire#53

inspire_utils/name.py

@@ -68,7 +68,7 @@ class ParsedName(object):
     constants = _prepare_nameparser_constants()
     """The default constants configuration for `HumanName` to use for parsing all names."""
 
-    def __init__(self, name, constants=None):
+    def __init__(self, name, constants=None, without_titles=False):
         """Create a ParsedName instance.
 
         Args:
@@ -79,15 +79,20 @@ def __init__(self, name, constants=None):
         """
         if not constants:
             constants = ParsedName.constants
+        if without_titles:
+            constants.titles = []
 
         if isinstance(name, HumanName):
             self._parsed_name = name
         else:
             self._parsed_name = HumanName(name, constants=constants)
+
             if not self._parsed_name.first:
                 self._parsed_name.first = self._parsed_name.title
                 self._parsed_name.title = ''
+
             self._parsed_name.capitalize()
+
         if ',' not in name and (not self.first_list or (self.first_list and '.' not in self.first_list[-1])):
             self.maybe_only_last_name = True
         else:
@@ -474,7 +479,7 @@ def _update_name_variations_with_product(set_a, set_b):
     return list(name_variations)
 
 
-def format_name(name, initials_only=False):
+def format_name(name, initials_only=False, without_titles=False):
     """Format a schema-compliant name string in a human-friendy format.
 
     This is a convenience wrapper around :ref:`ParsedName`, which should be
@@ -492,4 +497,4 @@ def format_name(name, initials_only=False):
     >>> format_name('Downey, Robert Jr.', initials_only=True)
     u'R. Downey Jr.'
     """
-    return ParsedName.loads(name).pprint(initials_only)
+    return ParsedName(name=name, without_titles=without_titles).loads(name).pprint(initials_only)

tests/test_name.py

@@ -432,6 +432,19 @@ def test_parsed_name_initials():
     assert expected == parsed_name.first_initials_list
 
 
+@pytest.mark.parametrize(
+    "input_author_name,expected",
+    [("Lieber, Ed", "E. Lieber"),
+     ('Lieber, Ed Viktor', "E. V. Lieber"),
+     ('Lieber, Ed Jr.', "E. Lieber, Jr."),
+     ('Lieber, Ed Victor Jr.', "E. V. Lieber, Jr."),
+     ],
+)
+def test_format_author_name_with_initials_when_first_name_is_similar_to_title(input_author_name, expected):
+
+    assert expected == format_name(input_author_name, initials_only=True, without_titles=True)
+
+
 def test_parsed_wrong_names_and_not_fail():
     names = [
         (u"Proffesor.M.", u"Proffesor.M."),