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megares_fix #336

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12 changes: 8 additions & 4 deletions ariba/megares_data_finder.py
Original file line number Diff line number Diff line change
Expand Up @@ -8,8 +8,9 @@ class Error (Exception): pass

class MegaresDataFinder:
def __init__(self, version=None):
self.url_root = 'https://megares.meglab.org/download/'
self.index_url = self.url_root + 'index.php'
self.url_root = 'https://www.meglab.org/megares/download'
self.url_root_downloads='https://www.meglab.org'
self.index_url = self.url_root
self.version = version


Expand All @@ -30,7 +31,7 @@ def _zips_from_index_page_string(cls, html_text):
except:
raise Error('Error parsing contents of megares download page. Cannot continue')

prefix = 'megares_v'
prefix = '/downloads/megares_v'
suffix = '.zip'
zips = {}

Expand All @@ -39,7 +40,9 @@ def _zips_from_index_page_string(cls, html_text):
if href.startswith(prefix) and href.endswith(suffix):
version = href[len(prefix):-len(suffix)]
zips[version] = href


#print(zips)
return zips


Expand All @@ -48,6 +51,7 @@ def _get_url_for_version(cls, zips, version=None):
if version is None:
versions = list(zips.keys())
versions.sort(key=LooseVersion)
#print('This is v',zips[versions[-1]])
return zips[versions[-1]]
else:
try:
Expand All @@ -63,6 +67,6 @@ def run(self):
zips = MegaresDataFinder._zips_from_index_page_string(html_text)
print('Found versions: ', ', '.join(list(zips.keys())))
url = MegaresDataFinder._get_url_for_version(zips, version=self.version)
return self.url_root + url
return self.url_root_downloads + url


3 changes: 2 additions & 1 deletion ariba/megares_zip_parser.py
Original file line number Diff line number Diff line change
Expand Up @@ -88,13 +88,14 @@ def _load_header_mappings_file(cls, infile):
return MegaresZipParser._csv_to_dict(infile, '\t', {'Source_Database', 'MEGARes_Header', 'Source_Headers(space_separated)'}, 'MEGARes_Header')
else:
assert infile.endswith(".csv")
data = MegaresZipParser._csv_to_dict(infile, ',', {'Database', 'MEGARes_v2_header', 'Source_header'}, 'MEGARes_v2_header')
data = MegaresZipParser._csv_to_dict(infile, ',', {'Database','Source_header','MEGARes_header','UpdatedHeader'}, 'MEGARes_header')
fixed_data = {}
for key, d in data.items():
fixed_data[key] = {
"Source_Database": d["Database"],
"Source_Headers(space_separated)": d["Source_header"]
}
#print(fixed_data)
return fixed_data


Expand Down
16 changes: 9 additions & 7 deletions ariba/tests/megares_data_finder_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -16,21 +16,23 @@ def test_zips_from_index_page_string(self):
</head>

<ul>
<li><a href="megares_v1.01.zip">All Files</a></li>
<li><a href="foo.zip">All Files</a></li>
<li><a href="megares_v1.00.zip">All Files</a></li>
<li><a href="/downloads/megares_v3.00.zip">All Files</a> (.zip)</li>
<li><a href="/downloads/megares_v2.00.zip">All Files</a> (.zip)</li>
<li><a href="/downloads/megares_v1.01.zip">All Files</a> (.zip)</li>
<li><a href="/downloads/megares_v1.00.zip">All Files</a> (.zip)</li>

</html>'''

expected = {'1.00': 'megares_v1.00.zip', '1.01': 'megares_v1.01.zip'}
expected = {'3.00': '/downloads/megares_v3.00.zip', '2.00': '/downloads/megares_v2.00.zip', '1.01': '/downloads/megares_v1.01.zip', '1.00': '/downloads/megares_v1.00.zip'}
got = megares_data_finder.MegaresDataFinder._zips_from_index_page_string(html_string)
self.assertEqual(expected, got)


def test_get_url_for_version(self):
'''test _get_url_for_version'''
zips = {'1.00': 'megares_v1.00.zip', '1.01': 'megares_v1.01.zip'}
self.assertEqual('megares_v1.01.zip', megares_data_finder.MegaresDataFinder._get_url_for_version(zips))
self.assertEqual('megares_v1.00.zip', megares_data_finder.MegaresDataFinder._get_url_for_version(zips, version='1.00'))
zips = {'3.00': '/downloads/megares_v3.00.zip', '2.00': '/downloads/megares_v2.00.zip', '1.01': '/downloads/megares_v1.01.zip', '1.00': '/downloads/megares_v1.00.zip'}
self.assertEqual('/downloads/megares_v3.00.zip', megares_data_finder.MegaresDataFinder._get_url_for_version(zips))
self.assertEqual('/downloads/megares_v2.00.zip', megares_data_finder.MegaresDataFinder._get_url_for_version(zips, version='2.00'))
with self.assertRaises(megares_data_finder.Error):
self.assertEqual('megares_v1.00.zip', megares_data_finder.MegaresDataFinder._get_url_for_version(zips, version='0.42'))

14 changes: 7 additions & 7 deletions ariba/tests/megares_zip_parser_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -14,11 +14,11 @@ def test_extract_files_ok(self):
zip_file = os.path.join(data_dir, 'megares_zip_parse_extract_files_ok.zip')
tmp_dir = 'tmp.test_megares_extract_files_ok'
got = megares_zip_parser.MegaresZipParser._extract_files(zip_file, tmp_dir)
common_dir = os.path.join('megares_zip_parse_extract_files_ok', 'megares_v1.01')
common_dir = os.path.join('megares_zip_parse_extract_files_ok', 'megares_v3.00')
expected = {
'annotations': os.path.join(common_dir, 'megares_annotations_v1.01.csv'),
'fasta': os.path.join(common_dir, 'megares_database_v1.01.fasta'),
'header_mappings': os.path.join(common_dir, 'megares_to_external_header_mappings_v1.01.tsv')
'annotations': os.path.join(common_dir, 'megares_annotations_v3.00.csv'),
'fasta': os.path.join(common_dir, 'megares_database_v3.00.fasta'),
'header_mappings': os.path.join(common_dir, 'megares_to_external_header_mappings_v3.00.csv')
}

self.assertEqual(expected, got)
Expand Down Expand Up @@ -63,9 +63,9 @@ def test_load_header_mappings_file(self):

def test_write_files(self):
'''test _write_files'''
fasta_file = os.path.join(data_dir, 'megares_zip_parser_write_files', 'megares_database_v1.01.fasta')
annotations_file = os.path.join(data_dir, 'megares_zip_parser_write_files', 'megares_annotations_v1.01.csv')
mappings_file = os.path.join(data_dir, 'megares_zip_parser_write_files', 'megares_to_external_header_mappings_v1.01.tsv')
fasta_file = os.path.join(data_dir, 'megares_zip_parser_write_files', 'megares_database_v3.00.fasta')
annotations_file = os.path.join(data_dir, 'megares_zip_parser_write_files', 'megares_annotations_v3.00.csv')
mappings_file = os.path.join(data_dir, 'megares_zip_parser_write_files', 'megares_to_external_header_mappings_v3.00.csv')
sequences = {}
pyfastaq.tasks.file_to_dict(fasta_file, sequences)
annotation_data = megares_zip_parser.MegaresZipParser._load_annotations_file(annotations_file)
Expand Down