neels has uploaded this change for review. ( https://gerrit.osmocom.org/c/python/pyosmocom/+/39600?usp=email )

Change subject: utils: add unrpad() ......................................................................

utils: add unrpad()

In pysim.esim.saip, some encoding steps use rpad(); here is the counterpart, that will allow to also decode values back.

Related: SYS#6768 Change-Id: I48c23390926f8c9412624edb4481e7f4cd3f4b46 --- M src/osmocom/utils.py 1 file changed, 14 insertions(+), 0 deletions(-)

git pull ssh://gerrit.osmocom.org:29418/python/pyosmocom refs/changes/00/39600/1

diff --git a/src/osmocom/utils.py b/src/osmocom/utils.py index 5947453..e7053c1 100644 --- a/src/osmocom/utils.py +++ b/src/osmocom/utils.py @@ -121,6 +121,20 @@ return s + c * (l - len(s))

+def unrpad(s: str, c='f') -> str: + """unpad string on the right side -- reverse of rpad(). + Args: + s : string to pad + c : padding character + Returns: + String 's' with all rightmost c stripped. + """ + end = len(s) + while end > 0 and s[end - 1] == c: + end -= 1 + return s[:end] + + def lpad(s: str, l: int, c='f') -> str: """pad string on the left side. Args: