Scrape partial dates from scene titles on IAFD

This means an entry for Ass Blasters (1977) will return an approximate date of 1977-01-01
if IAFD does not have a more specific release date for it

scrapers/IAFD/IAFD.py

@@ -277,14 +277,24 @@ def scene_details(tree):
 
 
 def scene_date(tree):
+    # If there's no release date we will use the year from the title for an approximate date
+    title_pattern = re.compile(r".*\(([0-9]{4})\).*")
     return maybe(
         tree.xpath(SHARED_SELECTORS["date"]),
         clean_date,
+    ) or maybe(
+        tree.xpath(SHARED_SELECTORS["title"]),
+        lambda t: re.sub(title_pattern, r"\1-01-01", t).strip()
+        if re.match(title_pattern, t)
+        else None,
     )
 
 
 def scene_title(tree):
-    return maybe(tree.xpath(SHARED_SELECTORS["title"]), lambda t: re.sub(r"\s*\(\d{4}\)$", "", t.strip()))
+    return maybe(
+        tree.xpath(SHARED_SELECTORS["title"]),
+        lambda t: re.sub(r"\s*\(\d{4}\)$", "", t.strip()),
+    )
 
 
 def movie_studio(tree):
@@ -302,7 +312,9 @@ def movie_date(tree):
         lambda d: clean_date(d.strip()),
     ) or maybe(
         tree.xpath(SHARED_SELECTORS["title"]),
-        lambda t: re.sub(title_pattern, r"\1-01-01", t).strip() if re.match(title_pattern, t) else None,
+        lambda t: re.sub(title_pattern, r"\1-01-01", t).strip()
+        if re.match(title_pattern, t)
+        else None,
     )
 
 
@@ -328,7 +340,10 @@ def movie_director(tree):
 
 
 def movie_title(tree):
-    return maybe(tree.xpath(SHARED_SELECTORS["title"]), lambda t: re.sub(r"\s*\(\d+\)$", "", t.strip()))
+    return maybe(
+        tree.xpath(SHARED_SELECTORS["title"]),
+        lambda t: re.sub(r"\s*\(\d+\)$", "", t.strip()),
+    )
 
 
 def video_url(tree):