pubdev: Modify origin URL for listed packages

Use https://pub.dev/packages/<package_name> instead of
https://pub.dev/api/packages/<package_name>

swh/lister/pubdev/lister.py

@@ -28,9 +28,10 @@ class PubDevLister(StatelessLister[PubDevListerPage]):
     VISIT_TYPE = "pubdev"
     INSTANCE = "pubdev"
 
-    BASE_URL = "https://pub.dev/api/"
-    PACKAGE_NAMES_URL_PATTERN = "{base_url}package-names"
-    PACKAGE_INFO_URL_PATTERN = "{base_url}packages/{pkgname}"
+    BASE_URL = "https://pub.dev/"
+    PACKAGE_NAMES_URL_PATTERN = "{base_url}api/package-names"
+    PACKAGE_INFO_URL_PATTERN = "{base_url}api/packages/{pkgname}"
+    ORIGIN_URL_PATTERN = "{base_url}packages/{pkgname}"
 
     def __init__(
         self,
@@ -89,12 +90,12 @@ class PubDevLister(StatelessLister[PubDevListerPage]):
         assert self.lister_obj.id is not None
 
         for pkgname in page:
-            url = self.PACKAGE_INFO_URL_PATTERN.format(
+            origin_url = self.ORIGIN_URL_PATTERN.format(
                 base_url=self.url, pkgname=pkgname
             )
             yield ListedOrigin(
                 lister_id=self.lister_obj.id,
                 visit_type=self.VISIT_TYPE,
-                url=url,
+                url=origin_url,
                 last_update=None,
             )

swh/lister/pubdev/tests/data/https_pub.dev/api_package-names

@@ -1 +1,7 @@
-{"packages":["Autolinker","pdf"],"nextUrl":null}
+{
+  "packages": [
+    "Autolinker",
+    "Babylon"
+  ],
+  "nextUrl": null
+}

swh/lister/pubdev/tests/test_lister.py

@@ -2,16 +2,13 @@
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
+
 from swh.lister.pubdev.lister import PubDevLister
 
-expected_origins = [
-    {
-        "url": "https://pub.dev/api/packages/Autolinker",
-    },
-    {
-        "url": "https://pub.dev/api/packages/pdf",
-    },
-]
+expected_origins = {
+    "https://pub.dev/packages/Autolinker",
+    "https://pub.dev/packages/Babylon",
+}
 
 
 def test_pubdev_lister(datadir, requests_mock_datadir, swh_scheduler):
@@ -19,22 +16,12 @@ def test_pubdev_lister(datadir, requests_mock_datadir, swh_scheduler):
     res = lister.run()
 
     assert res.pages == 1
-    assert res.origins == 1 + 1
+    assert res.origins == 2
 
     scheduler_origins = swh_scheduler.get_listed_origins(lister.lister_obj.id).results
 
     assert len(scheduler_origins) == len(expected_origins)
 
-    assert {
-        (
-            scheduled.visit_type,
-            scheduled.url,
-        )
-        for scheduled in scheduler_origins
-    } == {
-        (
-            "pubdev",
-            expected["url"],
-        )
-        for expected in expected_origins
-    }
+    for origin in scheduler_origins:
+        assert origin.visit_type == "pubdev"
+        assert origin.url in expected_origins