Introduce mypy utility

Author: vyahello

demo/map/conditions.py

@@ -1,20 +1,20 @@
 from abc import ABC, abstractmethod
-from selenium.webdriver.support.expected_conditions import presence_of_element_located
+from selenium.webdriver.support.expected_conditions import presence_of_element_located as PresenceOfElement
 
 
 class Condition(ABC):
     """Abstraction of web element condition."""
 
     @abstractmethod
-    def presence_of_element_located(self) -> presence_of_element_located:
+    def presence_of_element_located(self) -> PresenceOfElement:
         pass
 
 
 class ExpectedCondition(Condition):
     """Represent expected condition of a web element."""
 
     def __init__(self, *locators: str) -> None:
-        self._presence_of_element_located: presence_of_element_located = presence_of_element_located(locators)
+        self._presence_of_element_located: PresenceOfElement = PresenceOfElement(locators)
 
-    def presence_of_element_located(self) -> presence_of_element_located:
+    def presence_of_element_located(self) -> PresenceOfElement:
         return self._presence_of_element_located

demo/pages/base.py

@@ -1,5 +1,5 @@
 from functools import lru_cache
-from typing import Callable
+from typing import Callable, Optional
 from demo.browsers import WebBrowser
 from demo.driver.driver import Driver
 from demo.pages import Page
@@ -24,9 +24,9 @@ def _driver() -> Driver:
     def driver(self) -> Driver:
         return self._driver()
 
-    def open(self, url: Url = None) -> None:
+    def open(self, url: Optional[Url] = None) -> None:
         if not url:
-            url: Url = self._url
+            url = self._url
         self._driver().get(url.get())
 
     def close(self) -> None:

mypy.ini

@@ -0,0 +1,9 @@
+[mypy]
+python_version = 3.6
+ignore_missing_imports = True
+disallow_untyped_defs = False
+disallow_incomplete_defs = False
+disallow_any_generics = True
+warn_unused_ignores = True
+warn_unused_configs = True
+show_column_numbers = True

run-code-analysis.sh

@@ -9,6 +9,7 @@ NONE_OUT="\033[0m"
 
 # specifies a set of variables to declare files to be used for code assessment
 PROJECT_FILES="./"
+LIB_FILES="demo"
 
 
 function store-failures {
@@ -54,12 +55,18 @@ function run-flake8-analysis {
 }
 
 
+function run-mypy-analysis() {
+    echo "Running mypy analysis ..." && mypy --package "${LIB_FILES}"
+}
+
+
 function run-code-analysis {
     echo "Running code analysis ..."
     remove-pycache-trash
     run-unittests || store-failures "Unittests are failed!"
     run-black-analysis || store-failures "black analysis is failed!"
     run-flake8-analysis || store-failures "flake8 analysis is failed!"
+    run-mypy-analysis || store-failures "mypy analysis is failed!"
 
     if [[ ${#RESULT[@]} -ne 0 ]];
         then echo -e "${FAILED_OUT}Some errors occurred while analysing the code quality.${NONE_OUT}"