backend/plugins: Use language parser from scraper utils

Now that we have this in our utility suite, we can make use of it in the
built-in scraper plugins. This increases coverage and removes a lot of
duplicate code.

4 files changed, 5 insertions, 32 deletions

diff --git a/src/hircine/plugins/scrapers/handlers/dynastyscans.py b/src/hircine/plugins/scrapers/handlers/dynastyscans.py
index ded015b..fd9bf42 100644
--- a/src/hircine/plugins/scrapers/handlers/dynastyscans.py
+++ b/src/hircine/plugins/scrapers/handlers/dynastyscans.py
@@ -1,5 +1,3 @@
-import hircine.enums as enums
-from hircine.scraper import ScrapeWarning
 from hircine.scraper.types import (
     Artist,
     Circle,
@@ -16,7 +14,7 @@ class DynastyScansHandler:
     def scrape(self, data):
         parsers = {
             "date": Date.from_iso,
-            "lang": self.parse_language,
+            "lang": Language.from_iso_639_3,
             "author": Artist,
             "group": Circle,
         }
@@ -33,9 +31,3 @@ class DynastyScansHandler:
                 title = title + f": {subtitle}"
 
             yield Title(title)
-
-    def parse_language(self, input):
-        try:
-            return Language(value=enums.Language[input.upper()])
-        except (KeyError, ValueError) as e:
-            raise ScrapeWarning(f"Could not parse language: '{input}'") from e
diff --git a/src/hircine/plugins/scrapers/handlers/e621.py b/src/hircine/plugins/scrapers/handlers/e621.py
index 6b798fd..b7cd83a 100644
--- a/src/hircine/plugins/scrapers/handlers/e621.py
+++ b/src/hircine/plugins/scrapers/handlers/e621.py
@@ -1,5 +1,4 @@
 import hircine.enums as enums
-from hircine.scraper import ScrapeWarning
 from hircine.scraper.types import (
     URL,
     Artist,
@@ -75,7 +74,4 @@ class E621Handler:
         if input.endswith("_text"):
             lang, _ = input.split("_text", 1)
 
-            try:
-                return Language(value=enums.Language(lang.capitalize()))
-            except ValueError as e:
-                raise ScrapeWarning(f"Could not parse language: '{input}'") from e
+            return Language.from_name(lang)
diff --git a/src/hircine/plugins/scrapers/handlers/exhentai.py b/src/hircine/plugins/scrapers/handlers/exhentai.py
index 12c22d7..33733be 100644
--- a/src/hircine/plugins/scrapers/handlers/exhentai.py
+++ b/src/hircine/plugins/scrapers/handlers/exhentai.py
@@ -1,7 +1,6 @@
 import re
 
 import hircine.enums as enums
-from hircine.scraper import ScrapeWarning
 from hircine.scraper.types import (
     URL,
     Artist,
@@ -39,7 +38,7 @@ class ExHentaiHandler:
             category_field: self.parse_category,
             "posted": Date.from_timestamp,
             "date": Date.from_iso,
-            "lang": self.parse_language,
+            "lang": Language.from_iso_639_3,
             "tags": self.parse_tag,
             "title": lambda t: Title(sanitize(t, split=True)),
             "title_jpn": lambda t: OriginalTitle(sanitize(t)),
@@ -130,10 +129,4 @@ class ExHentaiHandler:
         if not input or input in ["translated", "speechless", "N/A"]:
             return
 
-        try:
-            if from_value:
-                return Language(value=enums.Language(input.capitalize()))
-            else:
-                return Language(value=enums.Language[input.upper()])
-        except (KeyError, ValueError) as e:
-            raise ScrapeWarning(f"Could not parse language: '{input}'") from e
+        return Language.from_name(input)
diff --git a/src/hircine/plugins/scrapers/handlers/mangadex.py b/src/hircine/plugins/scrapers/handlers/mangadex.py
index bb93538..4a8d5fd 100644
--- a/src/hircine/plugins/scrapers/handlers/mangadex.py
+++ b/src/hircine/plugins/scrapers/handlers/mangadex.py
@@ -1,5 +1,3 @@
-import hircine.enums as enums
-from hircine.scraper import ScrapeWarning
 from hircine.scraper.types import (
     URL,
     Artist,
@@ -18,7 +16,7 @@ class MangadexHandler:
     def scrape(self, data):
         parsers = {
             "date": Date.from_iso,
-            "lang": self.parse_language,
+            "lang": Language.from_iso_639_3,
             "tags": Tag.from_string,
             "artist": Artist,
             "author": Artist,
@@ -46,9 +44,3 @@ class MangadexHandler:
                 title = title + f": {subtitle}"
 
             yield Title(title)
-
-    def parse_language(self, input):
-        try:
-            return Language(value=enums.Language[input.upper()])
-        except (KeyError, ValueError) as e:
-            raise ScrapeWarning(f"Could not parse language: '{input}'") from e