Add a shortcut to install one version below the latest driver

Author: mdmintz

seleniumbase/console_scripts/ReadMe.md

@@ -19,6 +19,8 @@ SeleniumBase console scripts help you get things done more easily, such as insta
     (Drivers: ``chromedriver``, ``geckodriver``, ``edgedriver``,
               ``iedriver``, ``operadriver``)
     (Versions: ``latest`` or a specific driver version.
+               For chromedriver, you can also specify the major
+               version int, or ``latest-1`` for latest minus 1.
                If none specified, installs the default version.)
 
 * Examples:

seleniumbase/console_scripts/run.py

@@ -123,9 +123,10 @@ def show_install_usage():
     print("           sbase install chromedriver 91")
     print("           sbase install chromedriver 91.0.4472.101")
     print("           sbase install chromedriver latest")
+    print("           sbase install chromedriver latest-1")
     print("           sbase install chromedriver -p")
     print("           sbase install chromedriver latest -p")
-    print("           sbase install edgedriver 91.0.864.67")
+    print("           sbase install edgedriver 91.0.864.71")
     print("  Output:")
     print("           Installs the chosen webdriver to seleniumbase/drivers/")
     print("           (chromedriver is required for Chrome automation)")

seleniumbase/console_scripts/sb_install.py

@@ -16,6 +16,7 @@
         sbase install chromedriver 91.0.4472.101
         sbase install chromedriver 91
         sbase install chromedriver latest
+        sbase install chromedriver latest-1  # (Latest minus one)
         sbase install chromedriver -p
         sbase install chromedriver latest -p
         sbase install edgedriver 91.0.864.67
@@ -44,7 +45,7 @@
 LOCAL_PATH = "/usr/local/bin/"  # On Mac and Linux systems
 DEFAULT_CHROMEDRIVER_VERSION = "2.44"  # (Specify "latest" to get the latest)
 DEFAULT_GECKODRIVER_VERSION = "v0.29.1"
-DEFAULT_EDGEDRIVER_VERSION = "89.0.774.54"  # (Looks for LATEST_STABLE first)
+DEFAULT_EDGEDRIVER_VERSION = "91.0.864.71"  # (Looks for LATEST_STABLE first)
 DEFAULT_OPERADRIVER_VERSION = "v.88.0.4324.104"
 
 
@@ -62,8 +63,8 @@ def invalid_run_command():
     exp += "  Example:\n"
     exp += "          seleniumbase install chromedriver\n"
     exp += "          seleniumbase install geckodriver\n"
-    exp += "          seleniumbase install chromedriver 89\n"
-    exp += "          seleniumbase install chromedriver 89.0.4389.23\n"
+    exp += "          seleniumbase install chromedriver 91\n"
+    exp += "          seleniumbase install chromedriver 91.0.4472.101\n"
     exp += "          seleniumbase install chromedriver latest\n"
     exp += "          seleniumbase install chromedriver -p\n"
     exp += "          seleniumbase install chromedriver latest -p\n"
@@ -153,12 +154,15 @@ def main(override=None):
         use_version = DEFAULT_CHROMEDRIVER_VERSION
         get_latest = False
         get_v_latest = False
+        get_latest_minus_one = False
         if num_args == 4 or num_args == 5:
             if "-p" not in sys.argv[3].lower():
                 use_version = sys.argv[3]
                 uv_low = use_version.lower()
                 if uv_low == "latest":
                     get_latest = True
+                elif uv_low == "latest-1":
+                    get_latest_minus_one = True
                 elif len(uv_low) < 4 and uv_low.isdigit() and int(uv_low) > 69:
                     get_v_latest = True
             else:
@@ -181,12 +185,15 @@ def main(override=None):
                 "Cannot determine which version of chromedriver to download!"
             )
         found_chromedriver = False
-        if get_latest:
+        if get_latest or get_latest_minus_one:
             url_request = requests_get(last)
             if url_request.ok:
                 found_chromedriver = True
                 use_version = url_request.text
-        elif get_v_latest:
+                if get_latest_minus_one:
+                    get_v_latest = True
+                    use_version = str(int(use_version.split('.')[0]) - 1)
+        if get_v_latest:
             url_req = requests_get(last)
             if url_req.ok:
                 latest_version = url_req.text