Code improvements

docs/source/conf.py

@@ -5,21 +5,15 @@
 # serve to show the default.
 
 import sys
-import os
+from pathlib import Path
+
+from overpy import __about__ as overpy_about
 
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.insert(0, os.path.abspath('.'))
-sys.path.insert(
-    0,
-    os.path.abspath(
-        os.path.join(
-            os.path.dirname(__file__),
-            '../../'
-        )
-    )
-)
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent.parent))
 
 # -- General configuration ------------------------------------------------
 
@@ -57,7 +51,6 @@
 # built documents.
 #
 # The short X.Y version.
-from overpy import __about__ as overpy_about
 version = overpy_about.__version__
 # The full version, including alpha/beta/rc tags.
 release = overpy_about.__version__

overpy/__init__.py

@@ -1,6 +1,8 @@
 from collections import OrderedDict
 from datetime import datetime
 from decimal import Decimal
+from urllib.request import urlopen
+from urllib.error import HTTPError
 from xml.sax import handler, make_parser
 import json
 import re
@@ -25,9 +27,6 @@
     "visible": lambda v: v.lower() == "true"
 }
 
-from urllib.request import urlopen
-from urllib.error import HTTPError
-
 
 def is_valid_type(element, cls):
     """
@@ -86,7 +85,8 @@ def __init__(self, read_chunk_size=None, url=None, xml_parser=XML_PARSER_SAX, ma
 
         self.xml_parser = xml_parser
 
-    def _handle_remark_msg(self, msg):
+    @staticmethod
+    def _handle_remark_msg(msg):
         """
         Try to parse the message provided with the remark tag or element.
 
@@ -628,7 +628,7 @@ def get_center_from_json(cls, data):
                 raise ValueError("Unable to get lat or lon of way center.")
             center_lat = Decimal(center_lat)
             center_lon = Decimal(center_lon)
-        return (center_lat, center_lon)
+        return center_lat, center_lon
 
     @classmethod
     def get_center_from_xml_dom(cls, sub_child):

setup.py

@@ -1,21 +1,15 @@
 #!/usr/bin/env python
 import os
 import sys
+from pathlib import Path
 from setuptools import setup, find_packages
 
-base_dir = os.path.dirname(__file__)
+HERE = Path(__file__).resolve().parent
 
 about = {}
-with open(os.path.join(base_dir, "overpy", "__about__.py")) as f:
-    exec(f.read(), about)
+exec((HERE / "overpy" / "__about__.py").read_text(), about)
 
-filename_readme = os.path.join(base_dir, "README.rst")
-if sys.version_info[0] == 2:
-    import io
-    fp = open(filename_readme, encoding="utf-8")
-else:
-    fp = open(filename_readme, encoding="utf-8")
-long_description = fp.read()
+long_description = (HERE / "README.rst").read_text()
 
 setup(
     name=about["__title__"],

tests/__init__.py

@@ -1,6 +1,6 @@
-import os
 import sys
 import threading
+from pathlib import Path
 from threading import Lock
 
 from socketserver import BaseRequestHandler, TCPServer, ThreadingMixIn
@@ -21,13 +21,12 @@ def handle(self):
             self.request.send(data)
 
     @staticmethod
-    def get_response(self):
+    def get_response():
         yield b""
 
 
 def read_file(filename, mode="r"):
-    filename = os.path.join(os.path.dirname(__file__), filename)
-    return open(filename, mode).read()
+    return (Path(__file__).resolve().parent / filename).open(mode).read()
 
 
 def new_server_thread(handle_cls, port=None):

tests/base_class.py

@@ -10,7 +10,8 @@
 
 
 class BaseTestAreas:
-    def _test_area01(self, result):
+    @staticmethod
+    def _test_area01(result):
         assert len(result.areas) == 4
         assert len(result.nodes) == 0
         assert len(result.relations) == 0
@@ -77,7 +78,8 @@ def _test_area01(self, result):
 
 
 class BaseTestNodes:
-    def _test_node01(self, result):
+    @staticmethod
+    def _test_node01(result):
         assert len(result.nodes) == 3
         assert len(result.relations) == 0
         assert len(result.ways) == 0
@@ -151,7 +153,8 @@ def _test_node01(self, result):
 
 
 class BaseTestRelation:
-    def _test_relation01(self, result):
+    @staticmethod
+    def _test_relation01(result):
         assert len(result.nodes) == 0
         assert len(result.relations) == 1
         assert len(result.ways) == 0
@@ -187,7 +190,8 @@ def _test_relation01(self, result):
         assert isinstance(relation.members[3], overpy.RelationNode)
         assert isinstance(relation.members[4], overpy.RelationWay)
 
-    def _test_relation02(self, result):
+    @staticmethod
+    def _test_relation02(result):
         assert len(result.nodes) == 3
         assert len(result.relations) == 1
         assert len(result.ways) == 1
@@ -240,7 +244,8 @@ def _test_relation02(self, result):
         assert way.id == 317146078
         assert member.ref == way.id
 
-    def _test_relation03(self, result):
+    @staticmethod
+    def _test_relation03(result):
         assert len(result.nodes) == 0
         assert len(result.relations) == 1
         assert len(result.ways) == 0
@@ -259,7 +264,8 @@ def _test_relation03(self, result):
         assert relation.center_lat == Decimal("50.8176646")
         assert relation.center_lon == Decimal("7.0208539")
 
-    def _test_relation04(self, result):
+    @staticmethod
+    def _test_relation04(result):
         assert len(result.nodes) == 0
         assert len(result.relations) == 1
         assert len(result.ways) == 0
@@ -289,7 +295,8 @@ def _test_relation04(self, result):
 
 
 class BaseTestWay:
-    def _test_way01(self, result):
+    @staticmethod
+    def _test_way01(result):
         assert len(result.nodes) == 0
         assert len(result.relations) == 0
         assert len(result.ways) == 2
@@ -345,7 +352,8 @@ def _test_way01(self, result):
             assert way_ids[0] == 317146077
             assert way_ids[1] == 317146078
 
-    def _test_way02(self, result):
+    @staticmethod
+    def _test_way02(result):
         assert len(result.nodes) == 6
         assert len(result.relations) == 0
         assert len(result.ways) == 1
@@ -405,7 +413,8 @@ def _test_way02(self, result):
             assert len(way_ids) == 1
             assert way_ids[0] == 317146077
 
-    def _test_way03(self, result):
+    @staticmethod
+    def _test_way03(result):
         assert len(result.nodes) == 4
         assert len(result.relations) == 0
         assert len(result.ways) == 1

tests/test_exception.py

@@ -5,7 +5,7 @@ class TestExceptions:
     def test_element_data_wrong_type(self):
         e = overpy.exception.ElementDataWrongType("from1")
         assert e.type_expected == "from1"
-        assert e.type_provided == None
+        assert e.type_provided is None
         assert isinstance(str(e), str)
 
         e = overpy.exception.ElementDataWrongType("from2", "to2")
@@ -28,7 +28,7 @@ def test_overpass_bad_request(self):
 
     def test_overpass_unknown_content_type(self):
         e = overpy.exception.OverpassUnknownContentType(None)
-        assert e.content_type == None
+        assert e.content_type is None
         assert str(e).startswith("No content")
 
         e = overpy.exception.OverpassUnknownContentType("content")

tests/test_xml.py

@@ -106,7 +106,8 @@ def test_way04(self):
 
 
 class TestDataError:
-    def _get_element_wrong_type(self):
+    @staticmethod
+    def _get_element_wrong_type():
         data = "<foo></foo>"
         import xml.etree.ElementTree as ET
         return ET.fromstring(data)