papi: fix VPP_API_DIR
Docstring in VPP Python API says that find_api_dir() will search for
environment variable VPP_API_DIR first and foremost, except it doesn't.
Prepend VPP_API_DIR if it exists, and allow dirs to be omitted in case
it will be the empty list []
Type: fix
@@ -154,7 +154,7 @@ class VPPValueError(ValueError):
class VPPApiJSONFiles:
@classmethod
- def find_api_dir(cls, dirs):
+ def find_api_dir(cls, dirs=[]):
"""Attempt to find the best directory in which API definition
files may reside. If the value VPP_API_DIR exists in the environment
then it is first on the search list. If we're inside a recognized
@@ -170,6 +170,9 @@ class VPPApiJSONFiles:
# in which case, plot a course to likely places in the src tree
import __main__ as main
+ if os.getenv("VPP_API_DIR"):
+ dirs.append(os.getenv("VPP_API_DIR"))
+
if hasattr(main, "__file__"):
# get the path of the calling script
localdir = os.path.dirname(os.path.realpath(main.__file__))
