Enable venv on the fly

.flake8

@@ -1,3 +1,3 @@
 [flake8]
 select = E3, E4, F
-per-file-ignores = facefusion/core.py:E402, facefusion/installer.py:E402
+per-file-ignores = facefusion/core.py:E402

facefusion/installer.py

@@ -4,11 +4,8 @@ import os
 import platform
 import tempfile
 import subprocess
-from argparse import ArgumentParser, HelpFormatter
-
-subprocess.call([ 'pip', 'install' , 'inquirer', '-q' ])
-
 import inquirer
+from argparse import ArgumentParser, HelpFormatter
 
 from facefusion import metadata, wording
 

install.py

@@ -1,5 +1,9 @@
 #!/usr/bin/env python3
 
+import subprocess
+
+subprocess.call([ 'pip', 'install' , 'inquirer', '-q' ])
+
 from facefusion import installer
 
 if __name__ == '__main__':

run.py

@@ -1,6 +1,15 @@
 #!/usr/bin/env python3
 
-from facefusion import core
+import subprocess
+import sys
 
 if __name__ == '__main__':
-	core.cli()
+	if 'venv' in sys.executable or 'conda' in sys.executable:
+		from facefusion import core
+
+		core.cli()
+	else:
+		try:
+			subprocess.run([ 'venv/bin/python', 'run.py' ])
+		except KeyboardInterrupt:
+			sys.exit()