Fix some pylint warnings

.pylintrc

@@ -0,0 +1,3 @@
+[MESSAGES CONTROL]
+disable=locally-disabled,
+	redefined-outer-name,

entrypoint.py

@@ -1,4 +1,9 @@
 #!/usr/bin/python3
+""""
+Entrypoint of a Woodpecker CI docker image plugin that permit to publish Debian
+packages on a Aptly repository using its API
+"""
+
 import datetime
 import os
 import re
@@ -76,8 +81,8 @@ if MAX_RETRY:
 def list_files_in_changes_file(filepath):
     """ List files included by a changes file """
     dirpath = os.path.dirname(filepath)
-    with open(filepath, "r", encoding="utf-8") as fd:
+    with open(filepath, "r", encoding="utf-8") as file_desc:
-        changes_file = fd.read()
+        changes_file = file_desc.read()
 
     parser = PackagesParser(changes_file)
     files = []
@@ -101,8 +106,8 @@ def changes_file2package_name(changes_file):
 def upload_file(package_name, filepath):
     """ Upload a file using Aptly API """
     url = f'{API_URL}/files/{package_name}'
-    with open(filepath, 'rb') as fd:
+    with open(filepath, 'rb') as file_desc:
-        result = session.post(url, files={'file': fd})
+        result = session.post(url, files={'file': file_desc})
     return (
         result.status_code == 200 and
         f'{package_name}/{os.path.basename(filepath)}' in result.json()
@@ -168,7 +173,7 @@ payload = {'Name': snap_name}
 result = session.post(url, json=payload)
 try:
     data = result.json()
-except Exception:
+except Exception:  # pylint: disable=broad-except
     data = {}
 error = (
     result.status_code < 200 or