Implement downloader for hal.fr

2 files changed, 48 insertions, 1 deletions

diff --git a/papis/downloaders/hal.py b/papis/downloaders/hal.py
new file mode 100644
index 00000000..c1f42d57
--- /dev/null
+++ b/papis/downloaders/hal.py
@@ -0,0 +1,47 @@
+import re
+import papis.downloaders.base
+import bs4
+
+
+class Downloader(papis.downloaders.base.Downloader):
+
+    def __init__(self, url):
+        papis.downloaders.base.Downloader.__init__(self, url, name="hal")
+        self.expected_document_extension = 'pdf'
+
+    @classmethod
+    def match(cls, url):
+        if re.match(r".*hal.*\.fr.*", url):
+            return Downloader(url)
+        else:
+            return False
+
+    def get_identifier(self):
+        """
+        >>> d = Downloader("http://www.hal.fr/2014TOU30305")
+        >>> d.get_identifier()
+        '2014TOU30305'
+        >>> d = Downloader("http://www.hal.fr/2014TOU30305.bib/?asdf=2")
+        >>> d.get_identifier()
+        '2014TOU30305'
+        """
+        m = re.match(r".*hal.fr/([^/?.&]+).*", self.url)
+        return m.group(1) if m is not None else None
+
+    def get_document_url(self):
+        """
+        >>> d = Downloader("https://hal.archives-ouvertes.fr/jpa-00205888?asf=")
+        >>> d.get_document_url()
+        'https://hal.archives-ouvertes.fr/jpa-00205888/document'
+        """
+        url = re.sub(r'\?.*', '', self.get_url()) + '/document'
+        return url
+
+    def get_bibtex_url(self):
+        """
+        >>> d = Downloader("https://hal.archives-ouvertes.fr/jpa-00205888?asf=")
+        >>> d.get_bibtex_url()
+        'https://hal.archives-ouvertes.fr/jpa-00205888/bibtex'
+        """
+        url = re.sub(r'\?.*', '', self.get_url()) + '/bibtex'
+        return url
diff --git a/papis/downloaders/utils.py b/papis/downloaders/utils.py
index 502b6232..2b6fdb66 100644
--- a/papis/downloaders/utils.py
+++ b/papis/downloaders/utils.py
@@ -10,7 +10,7 @@ logger = logging.getLogger("downloader")
 def get_available_downloaders():
     names = [
         "aps", "acs", "arxiv", "ieee", "scitationaip", "annualreviews",
-        "iopscience", "libgen", "get", "thesesfr", "frontiersin",
+        "iopscience", "libgen", "get", "thesesfr", "hal", "frontiersin",
         "worldscientific",
     ]
     downloaders = []