Format and lint codes and fix packaging (#125)

* add: configure files (setup.py->setup.py+setup.cfg+pyproject.toml)

* add: __download_url__

* format with black and isort

* fix: flake8 section in setup.cfg

* add: E501 to flake ignore

* fix: metadata.name does not accept attr

* fix: merge __version__.py into __init__.py

* fix: flake8 errors in tests/

* fix: datetime.datetime -> datetime

* fix: banner

* fix: ignore W605 for banner

* fix: way to install deps in CI

* add: versem to setuptools

* fix: drop python<=3.6 (#126) from package and CI

tests/test_availability_api.py

@@ -1,21 +1,24 @@
-import pytest
 import random
 import string
 from datetime import datetime, timedelta
 
+import pytest
+
 from waybackpy.availability_api import WaybackMachineAvailabilityAPI
 from waybackpy.exceptions import (
-    InvalidJSONInAvailabilityAPIResponse,
     ArchiveNotInAvailabilityAPIResponse,
+    InvalidJSONInAvailabilityAPIResponse,
 )
 
 now = datetime.utcnow()
 url = "https://example.com/"
 user_agent = "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/97.0.4692.99 Safari/537.36"
 
-rndstr = lambda n: "".join(
-    random.choice(string.ascii_uppercase + string.digits) for _ in range(n)
-)
+
+def rndstr(n):
+    return "".join(
+        random.choice(string.ascii_uppercase + string.digits) for _ in range(n)
+    )
 
 
 def test_oldest():
@@ -57,7 +60,7 @@ def test_invalid_json():
     """
     with pytest.raises(InvalidJSONInAvailabilityAPIResponse):
         availability_api = WaybackMachineAvailabilityAPI(url="", user_agent=user_agent)
-        archive_url = availability_api.archive_url
+        _ = availability_api.archive_url
 
 
 def test_no_archive():
@@ -73,7 +76,7 @@ def test_no_archive():
         availability_api = WaybackMachineAvailabilityAPI(
             url="https://%s.cn" % rndstr(30), user_agent=user_agent
         )
-        archive_url = availability_api.archive_url
+        _ = availability_api.archive_url
 
 
 def test_no_api_call_str_repr():

tests/test_cdx_snapshot.py

@@ -1,4 +1,3 @@
-import pytest
 from datetime import datetime
 
 from waybackpy.cdx_snapshot import CDXSnapshot

tests/test_cdx_utils.py

@@ -1,13 +1,14 @@
 import pytest
-from waybackpy.exceptions import WaybackError
+
 from waybackpy.cdx_utils import (
-    get_total_pages,
+    check_collapses,
+    check_filters,
+    check_match_type,
     full_url,
     get_response,
-    check_filters,
-    check_collapses,
-    check_match_type,
+    get_total_pages,
 )
+from waybackpy.exceptions import WaybackError
 
 
 def test_get_total_pages():
@@ -86,10 +87,10 @@ def test_check_collapses():
 
 
 def test_check_match_type():
-    assert None == check_match_type(None, "url")
+    assert check_match_type(None, "url") is None
     match_type = "exact"
     url = "test_url"
-    assert None == check_match_type(match_type, url)
+    assert check_match_type(match_type, url) is None
 
     url = "has * in it"
     with pytest.raises(WaybackError):

tests/test_save_api.py

@@ -1,15 +1,18 @@
-import pytest
-import time
 import random
 import string
+import time
 from datetime import datetime
 
-from waybackpy.save_api import WaybackMachineSaveAPI
-from waybackpy.exceptions import MaximumSaveRetriesExceeded
+import pytest
 
-rndstr = lambda n: "".join(
-    random.choice(string.ascii_uppercase + string.digits) for _ in range(n)
-)
+from waybackpy.exceptions import MaximumSaveRetriesExceeded
+from waybackpy.save_api import WaybackMachineSaveAPI
+
+
+def rndstr(n):
+    return "".join(
+        random.choice(string.ascii_uppercase + string.digits) for _ in range(n)
+    )
 
 
 def test_save():
@@ -23,8 +26,9 @@ def test_save():
     cached_save = save_api.cached_save
     assert cached_save in [True, False]
     assert archive_url.find("github.com/akamhy/waybackpy") != -1
+    assert timestamp is not None
     assert str(headers).find("github.com/akamhy/waybackpy") != -1
-    assert type(save_api.timestamp()) == type(datetime(year=2020, month=10, day=2))
+    assert isinstance(save_api.timestamp(), datetime)
 
 
 def test_max_redirect_exceeded():

tests/test_utils.py

@@ -1,9 +1,9 @@
+from waybackpy import __version__
 from waybackpy.utils import (
-    latest_version_pypi,
-    latest_version_github,
     DEFAULT_USER_AGENT,
+    latest_version_github,
+    latest_version_pypi,
 )
-from waybackpy.__version__ import __version__
 
 
 def test_default_user_agent():