Re: [dpdk-dev] [PATCH] usertools: replace unsafe input function

["Burakov, Anatoly" <anatoly.burakov@intel.com>]

On 20-Mar-19 4:43 PM, Andrius Sirvys wrote:
> LGTM static code analysis tool reports that the function 'input' is
> unsafe. Changed to use raw_input which then converts it using
> ast.literal_eval() which is safe.
> 
> Fixes: d1b94da4a4e0 ("usertools: add client script for telemetry")
> Cc: ciara.power@intel.com
> 
> Signed-off-by: Andrius Sirvys <andrius.sirvys@intel.com>
> ---
>   usertools/dpdk-telemetry-client.py | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/usertools/dpdk-telemetry-client.py b/usertools/dpdk-telemetry-client.py
> index ce0c7a9..c3ba77d 100755
> --- a/usertools/dpdk-telemetry-client.py
> +++ b/usertools/dpdk-telemetry-client.py
> @@ -72,7 +72,7 @@ def requestMetrics(self): # Requests metrics for given client
>   
>       def repeatedlyRequestMetrics(self, sleep_time): # Recursively requests metrics for given client
>           print("\nPlease enter the number of times you'd like to continuously request Metrics:")
> -        n_requests = int(input("\n:"))
> +        n_requests = int(ast.literal_eval(raw_input("\n:")))
>           print("\033[F") #Removes the user input from screen, cleans it up
>           print("\033[K")
>           for i in range(n_requests):
> @@ -87,7 +87,7 @@ def interactiveMenu(self, sleep_time): # Creates Interactive menu within the scr
>               print("[3] Unregister client")
>   
>               try:
> -                self.choice = int(input("\n:"))
> +                self.choice = int(ast.literal_eval(raw_input("\n:")))
>                   print("\033[F") #Removes the user input for screen, cleans it up
>                   print("\033[K")
>                   if self.choice == 1:
> 

raw_input doesn't exist in Python 3.

Perhaps you should do this at the top of the script:

try:
     raw_input  # Python 2
except NameError:
     raw_input = input  # Python 3

That way, all calls to raw_input will call the intended function.

-- 
Thanks,
Anatoly