Add munge_url from libhxl as follow_url and remove libhxl dependency

Upgrade to uv

Author: mcarans

CONTRIBUTING.md

@@ -10,6 +10,24 @@ Development is currently done using Python 3.13. The environment can be created
 
 This creates a .venv folder with the versions specified in the project's uv.lock file.
 
+### Pre-commit
+
+pre-commit will be installed when syncing uv. It is run every time you make a git
+commit if you call it like this:
+
+```shell
+    pre-commit install
+```
+
+With pre-commit, all code is formatted according to
+[ruff](https://docs.astral.sh/ruff/) guidelines.
+
+To check if your changes pass pre-commit without committing, run:
+
+```shell
+    pre-commit run --all-files
+```
+
 ## Packages
 
 [uv](https://github.com/astral-sh/uv) is used for package management.  If

src/hdx/api/utilities/url_utils.py

@@ -128,7 +128,6 @@ def _get_ckan_urls(dataset_id: str, resource_id: str) -> list[str]:
         if resource:
             result_urls.append(resource["url"])
     else:
-        # CKAN dataset (package) URL
         dataset = hdx.data.dataset.Dataset.read_from_hdx(dataset_id)
         for resource in dataset.get_resources():
             if url := resource.get("url"):

src/hdx/data/dataset.py

@@ -32,7 +32,7 @@
 from hdx.utilities.uuid import is_valid_uuid
 from requests import Session
 
-import hdx.api.utilities.url_utils as url_utils
+import hdx.api.utilities.url_utils
 import hdx.data.organization as org_module
 import hdx.data.resource as res_module
 import hdx.data.showcase as sc_module
@@ -215,9 +215,9 @@ def save_to_json(
         """
         dataset_dict = self.get_dataset_dict()
         if follow_urls:
-            session = url_utils.get_ckan_ready_session(self.configuration)
+            session = hdx.api.utilities.url_utils.get_ckan_ready_session(self.configuration)
             for resource in dataset_dict.get("resources", tuple()):
-                resource["url"] = url_utils.follow_url(resource["url"], session=session)
+                resource["url"] = hdx.api.utilities.url_utils.follow_url(resource["url"], session=session)
         save_json(dataset_dict, path)
 
     @staticmethod

src/hdx/data/resource.py

@@ -13,7 +13,7 @@
 from hdx.utilities.retriever import Retrieve
 from hdx.utilities.uuid import is_valid_uuid
 
-import hdx.api.utilities.url_utils as url_utils
+import hdx.api.utilities.url_utils
 import hdx.data.dataset
 import hdx.data.resource_matcher
 from hdx.api.configuration import Configuration
@@ -669,7 +669,7 @@ def download(
         file_format = f".{self.get_format()}"
         if not filename.endswith(file_format):
             filename = f"{filename}{file_format}"
-        session = url_utils.get_ckan_ready_session(self.configuration)
+        session = hdx.api.utilities.url_utils.get_ckan_ready_session(self.configuration)
         with Download(session=session) as downloader:
             if retriever:
                 downloader = retriever.clone(downloader)