[dpdk-dev] [PATCH 09/11] dpdk-pmdinfo: do not use len(x) to test for empty

Stephen Hemminger stephen at networkplumber.org
Sun Sep 6 03:31:31 CEST 2020


This fixes the following python lint warnings.
usertools/dpdk-pmdinfo.py:188:11: C1801: Do not use `len(SEQUENCE)` to determine if a sequence is empty (len-as-condition)
usertools/dpdk-pmdinfo.py:196:21: C1801: Do not use `len(SEQUENCE)` to determine if a sequence is empty (len-as-condition)
usertools/dpdk-pmdinfo.py:302:11: C1801: Do not use `len(SEQUENCE)` to determine if a sequence is empty (len-as-condition)

Signed-off-by: Stephen Hemminger <stephen at networkplumber.org>
---
 usertools/dpdk-pmdinfo.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/usertools/dpdk-pmdinfo.py b/usertools/dpdk-pmdinfo.py
index d746348f1415..632271e2f1d2 100755
--- a/usertools/dpdk-pmdinfo.py
+++ b/usertools/dpdk-pmdinfo.py
@@ -185,7 +185,7 @@ def findDate(self, content):
         return None
 
     def parse(self):
-        if len(self.contents) < 1:
+        if not len(self.contents):
             print("data/%s-pci.ids not found" % self.date)
         else:
             vendorID = ""
@@ -193,7 +193,7 @@ def parse(self):
             for l in self.contents:
                 if l[0] == "#":
                     continue
-                elif len(l.strip()) == 0:
+                elif not l.strip():
                     continue
                 else:
                     if l.find("\t\t") == 0:
@@ -299,7 +299,7 @@ def parse_pmd_info_string(self, mystring):
             except KeyError:
                 continue
 
-        if len(pmdinfo["pci_ids"]) != 0:
+        if pmdinfo["pci_ids"]:
             print("PMD HW SUPPORT:")
             if pcidb is not None:
                 self.pretty_print_pmdinfo(pmdinfo)
-- 
2.27.0



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