def read_requirements_file(self, binary=False):
    """
    Requirements dosyasını oku
    binary=True ise binary modda okur
    """
    try:
        command = f'cat "{self.project_path}/req.txt"'
        stdin, stdout, stderr = self.client.exec_command(command)
        
        if binary:
            # Binary modda oku
            return stdout.read()
        else:
            # Text modda oku
            return stdout.read().decode('utf-8', errors='replace')
            
    except Exception as e:
        logger.exception("req.txt okunamadı")
        return None