scanpypi: ignore empty elements in package requirements

Depending on how setup.py reads requirements files empty elements can occur.
This patch takes care, that such elements will be ignored and don't crash
the scanpypi script.

Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Tested-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

diff --git a/utils/scanpypi b/utils/scanpypi
index 88fcb4a8a6f3ce07b14ff279058e946756412f04..23a2fb8c7bd47dbd1843a6220c3c346717475d9a 100755 (executable)
--- a/utils/scanpypi
+++ b/utils/scanpypi
@@ -295,7 +295,8 @@ class BuildrootPackage():
                         for req in self.pkg_req]
 
         # get rid of commented lines and also strip the package strings
-        self.pkg_req = [item.strip() for item in self.pkg_req if item[0] != '#']
+        self.pkg_req = [item.strip() for item in self.pkg_req
+                        if len(item) > 0 and item[0] != '#']
 
         req_not_found = self.pkg_req
         self.pkg_req = map(pkg_buildroot_name, self.pkg_req)