Refactor file handling to use 'with' statement (#9500)

* refactor: use 'with' statement for file handling to ensure proper closure

* refactor: replace open() with 'with' statement for better file handling

---------

Co-authored-by: Chris Gervang <[email protected]>

Author: allrob23

bindings/pydeck-carto/setup.py

@@ -5,11 +5,14 @@
 with open(join("pydeck_carto", "_version.py")) as f:
     exec(f.read(), {}, version_ns)
 
+with open("README.md") as f:
+    long_description = f.read()
+
 setup(
     name="pydeck-carto",
     version=version_ns["__version__"],
     description="Pydeck wrapper for use with CARTO",
-    long_description=open("README.md").read(),
+    long_description=long_description,
     long_description_content_type="text/markdown",
     keywords=["pydeck", "carto", "visualization", "graphics", "GIS", "maps"],
     author="CARTO",

bindings/pydeck/bump_version.py

@@ -37,7 +37,8 @@ def rewrite_version_file(semver):
 
 def rewrite_frontend_version_file():
     """Current associated version of NPM modules deck.gl and @deck.gl/jupyter-widget"""
-    lerna_version = json.loads(open("../../lerna.json").read())["version"]
+    with open("../../lerna.json") as f:
+        lerna_version = json.loads(f.read())["version"]
     with open("pydeck/frontend_semver.py", "w+") as f:
         t = jinja2.Template("DECKGL_SEMVER = '{{semver_str}}'")
         contents = t.render(semver_str=str(lerna_version))

bindings/pydeck/docs/scripts/embed_examples.py

@@ -31,7 +31,8 @@ def create_rst(pydeck_example_file_name):
         ),
         shell=True,
     )
-    python_code = open(pydeck_example_file_name, "r").read()
+    with open(pydeck_example_file_name, "r") as f:
+        python_code = f.read()
     doc_source = DOC_TEMPLATE.render(
         page_title=to_presentation_name(asset_name),
         snake_name=asset_name,
@@ -40,10 +41,10 @@ def create_rst(pydeck_example_file_name):
         deckgl_doc_url=deckgl_doc_url,
     )
     rst_path = os.path.join(GALLERY_DIR, asset_name + ".rst")
-    f = open(rst_path, "w+")
-    print("* Converted %s to %s" % (pydeck_example_file_name, rst_path))
-    f.write(doc_source)
-    f.close()
+    with open(rst_path, "w") as f:
+        print("* Converted %s to %s" % (pydeck_example_file_name, rst_path))
+        f.write(doc_source)
+
 
 
 def main():

bindings/pydeck/tests/fixtures.py

@@ -11,6 +11,7 @@
 fixtures = {}
 
 for fname in glob.glob(json_glob):
-    fixture_text = open(fname).read()
+    with open(fname) as file:
+        fixture_text = file.read()
     fixture_name = os.path.basename(fname).replace(".json", "")
     fixtures[fixture_name] = fixture_text