fetch by Title

get_rankings/jranker.py

@@ -7,6 +7,17 @@ from tqdm import tqdm
 SCIMAGOURL = "https://www.scimagojr.com/journalrank.php?year={}&type=j&out=xls"
 
 
+def fetchifneeded(f):
+    def wrapper(self, year, *args):
+        res = f(self, year, *args)
+        if res is None and not self.fetched(year):
+            self.fetch_scimago_year(year)
+            res = f(self, year, *args)
+        return res
+
+    return wrapper
+
+
 class SJR:
     def __init__(self, database):
         self.con = sqlite3.connect(database)
@@ -33,18 +44,19 @@ class SJR:
             (title, issn, year, quartiles),
         )
 
-    def raw_by_ISSN(self, issn, year):
+    @fetchifneeded
+    def by_ISSN(self, year, issn):
         self.cursor.execute(
             "SELECT * FROM sjr_journals WHERE ISSN=? AND Year=?", (issn, year)
         )
         return self.cursor.fetchone()
 
-    def by_ISSN(self, issn, year):
-        res = self.raw_by_ISSN(issn, year)
-        if res is None and not self.fetched(year):
-            self.fetch_scimago_year(year)
-            res = self.raw_by_ISSN(issn, year)
-        return res
+    @fetchifneeded
+    def by_Title(self, year, title):
+        self.cursor.execute(
+            "SELECT * FROM sjr_journals WHERE Title=? AND Year=?", (title, year)
+        )
+        return self.cursor.fetchone()
 
     def fetched(self, year):
         self.cursor.execute("SELECT Year FROM fetched WHERE Year=?", (year,))
@@ -84,13 +96,15 @@ class SJR:
 if __name__ == "__main__":
     sjr = SJR("/tmp/lapin.db")
     print("** A few rankings\n")
-    for pair in [("25206508", 2020), ("00045411", 2018)]:
+    for pair in [(2020, "25206508"), (2018, "00045411")]:
         print(" ", "; ".join(map(str, sjr.by_ISSN(*pair))))
+    for pair in [(2020, "Journal of the ACM")]:
+        print(" ", "; ".join(map(str, sjr.by_Title(*pair))))
     print("\n** Evolution from 2019 to 2021\n")
     for issn in ["10902724", "03043975", "14627264", "22105379", "00045411"]:
         q = []
         for year in [2019, 2020, 2021]:
-            res = sjr.by_ISSN(issn, year)
+            res = sjr.by_ISSN(year, issn)
             title = res[0]
             q.append(res[3])
         print(f"  {title}: {', '.join(q)}")