Added Abinit parser

.gitmodules

@@ -54,3 +54,4 @@
 [submodule "dependencies/parsers/abinit"]
 	path = dependencies/parsers/abinit
 	url = https://gitlab.mpcdf.mpg.de/nomad-lab/parser-abinit
+

nomad/parsing/__init__.py

@@ -254,9 +254,15 @@ parsers = [
             r'^\s*Program (\S+)\s+v\.(\S+)(?:\s+\(svn\s+rev\.\s+'
             r'(\d+)\s*\))?\s+starts[^\n]+'
             r'(?:\s*\n?)*This program is part of the open-source Quantum')
+    ),
+    LegacyParser(
+        name='parsers/abinit',
+        parser_class_name='abinitparser.AbinitParser',
+        mainfile_contents_re=(r'^\n\.Version\s*[0-9.]*\s*of ABINIT\s*')
     )
 ]
 
+
 """ Instanciation and constructor based config of all parsers. """
 
 parser_dict = {parser.name: parser for parser in parsers}  # type: ignore

tests/test_parsing.py

@@ -41,7 +41,7 @@ parser_examples = [
     ('parsers/wien2k', 'tests/data/parsers/wien2k/AlN/AlN_ZB.scf'),
     # ('parsers/band', 'tests/data/parsers/band_adf.out'),  # causes spglib to segfault
     ('parsers/gaussian', 'tests/data/parsers/gaussian/aniline.out'),
-    ('parsers/quantumespresso', 'tests/data/parsers/quantum-espresso/benchmark.out'),
+    ('parsers/abinit', 'tests/data/parsers/abinit/Fe.out'),
     ('parsers/quantumespresso', 'tests/data/parsers/quantum-espresso/W.out')
 ]
 
@@ -49,7 +49,7 @@ faulty_unknown_one_d_matid_example = [
     ('parsers/template', 'tests/data/normalizers/no_sim_cell_boolean_positions.json')
 ]
 
-correct_num_output_files = 19
+correct_num_output_files = 20
 
 
 class TestLocalBackend(object):