Typing (#128)

* fix: CI yml name

* add: mypy configuraion

* add: type annotation to waybackpy modules

* add: type annotation to test modules

* fix: mypy command

* add: types-requests to dev deps

* fix: disable max-line-length

* fix: move pytest.ini into setup.cfg

* add: urllib3 to deps

* fix: Retry (ref: https://github.com/python/typeshed/issues/6893)

* fix: f-string

* fix: shorten long lines

* add: staticmethod decorator to no-self-use methods

* fix: str(headers)->headers_str

* fix: error message

* fix: revert "str(headers)->headers_str" and ignore assignment CaseInsensitiveDict with str

* fix: mypy error

waybackpy/cdx_snapshot.py

@@ -1,7 +1,8 @@
 from datetime import datetime
+from typing import Dict
 
 
-class CDXSnapshot:
+class CDXSnapshot(object):
     """
     Class for the CDX snapshot lines returned by the CDX API,
     Each valid line of the CDX API is casted to an CDXSnapshot object
@@ -10,7 +11,7 @@ class CDXSnapshot:
     of the CDXSnapshot.
     """
 
-    def __init__(self, properties):
+    def __init__(self, properties: Dict[str, str]) -> None:
         self.urlkey = properties["urlkey"]
         self.timestamp = properties["timestamp"]
         self.datetime_timestamp = datetime.strptime(self.timestamp, "%Y%m%d%H%M%S")
@@ -20,16 +21,11 @@ class CDXSnapshot:
         self.digest = properties["digest"]
         self.length = properties["length"]
         self.archive_url = (
-            "https://web.archive.org/web/" + self.timestamp + "/" + self.original
+            f"https://web.archive.org/web/{self.timestamp}/{self.original}"
         )
 
-    def __str__(self):
-        return "{urlkey} {timestamp} {original} {mimetype} {statuscode} {digest} {length}".format(
-            urlkey=self.urlkey,
-            timestamp=self.timestamp,
-            original=self.original,
-            mimetype=self.mimetype,
-            statuscode=self.statuscode,
-            digest=self.digest,
-            length=self.length,
+    def __str__(self) -> str:
+        return (
+            f"{self.urlkey} {self.timestamp} {self.original} "
+            f"{self.mimetype} {self.statuscode} {self.digest} {self.length}"
         )