From 00f0c39903653772d72c9c0adce661508138c0b0 Mon Sep 17 00:00:00 2001 From: David Lamparter Date: Fri, 28 Oct 2022 10:59:41 +0100 Subject: python: apply black formatting The python/ directory hasn't been shoved into black yet (unlike topotests, where most FRR python code is.) Run black over it. Signed-off-by: David Lamparter --- python/clippy/uidhash.py | 27 +++++++++++++++------------ 1 file changed, 15 insertions(+), 12 deletions(-) (limited to 'python/clippy/uidhash.py') diff --git a/python/clippy/uidhash.py b/python/clippy/uidhash.py index bf994d389e..0fd886221a 100644 --- a/python/clippy/uidhash.py +++ b/python/clippy/uidhash.py @@ -19,13 +19,14 @@ import struct from hashlib import sha256 -def bititer(data, bits, startbit = True): - ''' + +def bititer(data, bits, startbit=True): + """ just iterate the individual bits out from a bytes object if startbit is True, an '1' bit is inserted at the very beginning goes at a time, starts at LSB. - ''' + """ bitavail, v = 0, 0 if startbit and len(data) > 0: v = data.pop(0) @@ -41,31 +42,33 @@ def bititer(data, bits, startbit = True): bitavail -= bits v >>= bits + def base32c(data): - ''' + """ Crockford base32 with extra dashes - ''' + """ chs = "0123456789ABCDEFGHJKMNPQRSTVWXYZ" - o = '' + o = "" if type(data) == str: data = [ord(v) for v in data] else: data = list(data) for i, bits in enumerate(bititer(data, 5)): if i == 5: - o = o + '-' + o = o + "-" elif i == 10: break o = o + chs[bits] return o + def uidhash(filename, hashstr, hashu32a, hashu32b): - ''' + """ xref Unique ID hash used in FRRouting - ''' - filename = '/'.join(filename.rsplit('/')[-2:]) + """ + filename = "/".join(filename.rsplit("/")[-2:]) - hdata = filename.encode('UTF-8') + hashstr.encode('UTF-8') - hdata += struct.pack('>II', hashu32a, hashu32b) + hdata = filename.encode("UTF-8") + hashstr.encode("UTF-8") + hdata += struct.pack(">II", hashu32a, hashu32b) i = sha256(hdata).digest() return base32c(i) -- cgit v1.2.3