Fixed some minor bugs

README.md

@@ -67,7 +67,6 @@ cache: HttpCache = HttpCache('./cache')
 # Websites like the SEC require you to disclose information about your bot! (https://www.sec.gov/privacy.htm#security)
 cache.set_headers({'From': '[email protected]', 'User-Agent': 'Tool/Version (Website)'})
 
-# Parse a inline XBRL file that is saved locally
 ixbrl_path: str = './data/AAPL/2020_FY/aapl-20201226.htm'
 inst: XbrlInstance = parse_ixbrl(ixbrl_path, cache)
 ```

xbrl_parser/linkbase.py

@@ -248,7 +248,7 @@ def __init__(self, label: str, label_type: str, language: str, text: str) -> Non
         self.label: str = label
         self.language = language
         # the label itself i.e: "Defined Benefit Plan Disclosure [Line Items]"
-        self.text: str = text.strip()
+        self.text: str = text.strip() if text is not None else text
         # the role of the label i.e: http://www.xbrl.org/2003/role/terseLabel
         self.label_type: str = label_type
 
@@ -492,7 +492,6 @@ def parse_linkbase(linkbase_path: str, linkbase_type: LinkbaseType) -> Linkbase:
         label_map = {}
         if linkbase_type == LinkbaseType.LABEL:
             for label_element in extended_link.findall(LINK_NS + 'label'):
-                # if the label is empty, just ignore it
                 label_name: str = label_element.attrib[XLINK_NS + 'label']
                 label_role: str = label_element.attrib[XLINK_NS + 'role']
                 label_lang: str = label_element.attrib[XML_NS + 'lang']

xbrl_parser/taxonomy.py

@@ -186,7 +186,7 @@ def parse_common_taxonomy(cache: HttpCache, namespace: str) -> TaxonomySchema or
         "http://fasb.org/us-gaap/2020-01-31": "http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd",
     }
     if namespace in ns_schema_map:
-        return parse_taxonomy(ns_schema_map[namespace], cache)
+        return parse_taxonomy_url(ns_schema_map[namespace], cache)
     return None