Allow loading of multiple languages

xmarket_ml.py

@@ -15,7 +15,7 @@ https://xmrec.github.io/
 """
 
 _HOMEPAGE_URL = 'https://xmrec.github.io/'
-_LANGUAGES = {'es': 'ES', 'de': 'DE', 'en': 'EN'}
+_LANGUAGES = {'es': 'es', 'de': 'de', 'en': 'us'}
 _VERSION = '1.0.0'
 
 
@@ -40,7 +40,7 @@ URLS = [
 
 
 class XMarketMLConfig(datasets.BuilderConfig):
-    """BuilderConfig for XMarketES."""
+    """BuilderConfig for XMarket."""
 
     def __init__(self, languages=None, **kwargs):
         super(XMarketMLConfig, self).__init__(
@@ -50,15 +50,15 @@ class XMarketMLConfig(datasets.BuilderConfig):
 
 
 class XMarketML(datasets.GeneratorBasedBuilder):
-    """The XMarketES category to product retrieval dataset"""
+    """The XMarket category to product retrieval dataset"""
 
     BUILDER_CONFIGS = [
         XMarketMLConfig(
-            name=name,
+            name=f"{name}-{lang}",
             description=f'{name.title()} of the multilingual XMarket dataset.',
             languages=None,
         )
-        for name in ['corpus', 'queries', 'qrels']
+        for name in ['corpus', 'queries', 'qrels'] for lang in _LANGUAGES
     ]
 
     BUILDER_CONFIG_CLASS = XMarketMLConfig
@@ -84,8 +84,9 @@ class XMarketML(datasets.GeneratorBasedBuilder):
     def _split_generators(self, dl_manager: datasets.DownloadManager):
         json_files = []
         for lang in self.config.languages:
+            url_lang = _LANGUAGES[lang]
             for url in URLS:
-                json_files.append(dl_manager.download(url % (lang, lang)))
+                json_files.append(dl_manager.download(url % (url_lang, url_lang)))
         return [
             datasets.SplitGenerator(
                 name=datasets.Split.TEST,
@@ -129,17 +130,17 @@ class XMarketML(datasets.GeneratorBasedBuilder):
                 'queries': queries,
                 'qrels': qrels,
             }
-        if self.config.name == 'corpus':
+        if self.config.name.startswith('corpus'):
             for line in self._data['corpus']:
                 yield line['_id'], line
-        elif self.config.name == 'queries':
+        elif self.config.name.startswith('queries'):
             for query, qid in queries.items():
                 yield qid, {
                     "_id": qid,
                     "title": '',
                     "text": query,
                 }
-        elif self.config.name == 'qrels':
+        elif self.config.name.startswith('qrels'):
             for qid, dids in qrels.items():
                 yield qid, {
                     "_id": qid,
@@ -147,4 +148,4 @@ class XMarketML(datasets.GeneratorBasedBuilder):
                     "text": ' '.join(dids),
                 }
         else:
-            raise ValueError(f'Unknown config name: {self.config.name}')
+            raise ValueError(f'Unknown config name: {self.config.name}')