Move coverage and flake dependencies into own setup.py area

Author: mdmintz

requirements.txt

@@ -33,7 +33,6 @@ py==1.10.0;python_version>="3.5"
 pytest==4.6.11;python_version<"3.5"
 pytest==6.1.2;python_version>="3.5" and python_version<"3.6"
 pytest==6.2.2;python_version>="3.6"
-pytest-cov==2.11.1
 pytest-forked==1.3.0
 pytest-html==1.22.1;python_version<"3.6"
 pytest-html==2.0.1;python_version>="3.6"
@@ -70,7 +69,6 @@ importlib-metadata==2.0.0;python_version<"3.6"
 virtualenv>=20.4.2
 pymysql==0.10.1;python_version<"3.6"
 pymysql==1.0.2;python_version>="3.6"
-coverage==5.5
 brython==3.9.1
 pyotp==2.6.0
 boto==2.49.0
@@ -80,13 +78,21 @@ Pillow==6.2.2;python_version<"3.5"
 Pillow==7.2.0;python_version>="3.5" and python_version<"3.6"
 Pillow==8.1.2;python_version>="3.6"
 rich==9.13.0;python_version>="3.6" and python_version<"4.0"
-flake8==3.7.9;python_version<"3.5"
-flake8==3.8.4;python_version>="3.5"
-pyflakes==2.1.1;python_version<"3.5"
-pyflakes==2.2.0;python_version>="3.5"
 tornado==5.1.1;python_version<"3.5"
 tornado==6.1;python_version>="3.5"
 allure-pytest==2.8.22;python_version<"3.5"
 allure-pytest==2.8.36;python_version>="3.5"
 pdfminer.six==20191110;python_version<"3.5"
 pdfminer.six==20201018;python_version>="3.5"
+
+# --- Testing Requirements --- #
+# ("pip install -r requirements.txt" also installs this, but "pip install -e ." won't.)
+
+coverage==5.5
+pytest-cov==2.11.1
+flake8==3.7.9;python_version<"3.5"
+flake8==3.8.4;python_version>="3.5"
+pyflakes==2.1.1;python_version<"3.5"
+pyflakes==2.2.0;python_version>="3.5"
+pycodestyle==2.5.0;python_version<"3.5"
+pycodestyle==2.6.0;python_version>="3.5"

setup.py

@@ -37,6 +37,7 @@
         '>>> Confirm release PUBLISH to PyPI? (yes/no): ')).lower().strip()
     if reply == 'yes':
         print("\n*** Checking code health with flake8:\n")
+        os.system("python -m pip install 'flake8==3.8.4'")
         flake8_status = os.system("flake8 --exclude=temp")
         if flake8_status != 0:
             print("\nWARNING! Fix flake8 issues before publishing to PyPI!\n")
@@ -137,7 +138,6 @@
         'pytest==4.6.11;python_version<"3.5"',
         'pytest==6.1.2;python_version>="3.5" and python_version<"3.6"',
         'pytest==6.2.2;python_version>="3.6"',
-        'pytest-cov==2.11.1',
         'pytest-forked==1.3.0',
         'pytest-html==1.22.1;python_version<"3.6"',
         'pytest-html==2.0.1;python_version>="3.6"',
@@ -174,7 +174,6 @@
         'virtualenv>=20.4.2',  # Sync with importlib-metadata and pathlib2
         'pymysql==0.10.1;python_version<"3.6"',
         'pymysql==1.0.2;python_version>="3.6"',
-        'coverage==5.5',
         'brython==3.9.1',
         'pyotp==2.6.0',
         'boto==2.49.0',
@@ -184,17 +183,29 @@
         'Pillow==7.2.0;python_version>="3.5" and python_version<"3.6"',
         'Pillow==8.1.2;python_version>="3.6"',
         'rich==9.13.0;python_version>="3.6" and python_version<"4.0"',
-        'flake8==3.7.9;python_version<"3.5"',
-        'flake8==3.8.4;python_version>="3.5"',
-        'pyflakes==2.1.1;python_version<"3.5"',
-        'pyflakes==2.2.0;python_version>="3.5"',
         'tornado==5.1.1;python_version<"3.5"',
         'tornado==6.1;python_version>="3.5"',
         'allure-pytest==2.8.22;python_version<"3.5"',
         'allure-pytest==2.8.36;python_version>="3.5"',
         'pdfminer.six==20191110;python_version<"3.5"',
         'pdfminer.six==20201018;python_version>="3.5"',
     ],
+    extras_require={
+        # pip install -e .[coverage]
+        'coverage': [
+            'coverage==5.5',
+            'pytest-cov==2.11.1',
+        ],
+        # pip install -e .[flake]
+        'flake': [
+            'flake8==3.7.9;python_version<"3.5"',
+            'flake8==3.8.4;python_version>="3.5"',
+            'pyflakes==2.1.1;python_version<"3.5"',
+            'pyflakes==2.2.0;python_version>="3.5"',
+            'pycodestyle==2.5.0;python_version<"3.5"',
+            'pycodestyle==2.6.0;python_version>="3.5"',
+        ],
+    },
     packages=[
         'seleniumbase',
         'seleniumbase.common',