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Make linearize scripts Python 3-compatible.

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This commit is contained in:
Doug
2016-12-20 19:27:01 -08:00
committed by Douglas Roark
parent d5aa19813c
commit 3c8f63ba7c
3 changed files with 47 additions and 26 deletions
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28
contrib/linearize/linearize-data.py
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@@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
#
# linearize-data.py: Construct a linear, no-fork version of the chain.
#
@@ -8,29 +8,33 @@
#
from __future__ import print_function, division
try: # Python 3
import http.client as httplib
except ImportError: # Python 2
import httplib
import json
import struct
import re
import os
import os.path
import base64
import httplib
import sys
import hashlib
import datetime
import time
from collections import namedtuple
from binascii import hexlify, unhexlify
settings = {}
##### Switch endian-ness #####
def hex_switchEndian(s):
""" Switches the endianness of a hex string (in pairs of hex chars) """
pairList = [s[i]+s[i+1] for i in range(0,len(s),2)]
return ''.join(pairList[::-1])
pairList = [s[i:i+2].encode() for i in range(0, len(s), 2)]
return b''.join(pairList[::-1]).decode()
def uint32(x):
return x & 0xffffffffL
return x & 0xffffffff
def bytereverse(x):
return uint32(( ((x) << 24) | (((x) << 8) & 0x00ff0000) |
@@ -41,14 +45,14 @@ def bufreverse(in_buf):
for i in range(0, len(in_buf), 4):
word = struct.unpack('@I', in_buf[i:i+4])[0]
out_words.append(struct.pack('@I', bytereverse(word)))
return ''.join(out_words)
return b''.join(out_words)
def wordreverse(in_buf):
out_words = []
for i in range(0, len(in_buf), 4):
out_words.append(in_buf[i:i+4])
out_words.reverse()
return ''.join(out_words)
return b''.join(out_words)
def calc_hdr_hash(blk_hdr):
hash1 = hashlib.sha256()
@@ -65,7 +69,7 @@ def calc_hash_str(blk_hdr):
hash = calc_hdr_hash(blk_hdr)
hash = bufreverse(hash)
hash = wordreverse(hash)
hash_str = hash.encode('hex')
hash_str = hexlify(hash).decode('utf-8')
return hash_str
def get_blk_dt(blk_hdr):
@@ -217,7 +221,7 @@ class BlockDataCopier:
inMagic = inhdr[:4]
if (inMagic != self.settings['netmagic']):
print("Invalid magic: " + inMagic.encode('hex'))
print("Invalid magic: " + hexlify(inMagic).decode('utf-8'))
return
inLenLE = inhdr[4:]
su = struct.unpack("<I", inLenLE)
@@ -294,14 +298,14 @@ if __name__ == '__main__':
if 'split_timestamp' not in settings:
settings['split_timestamp'] = 0
if 'max_out_sz' not in settings:
settings['max_out_sz'] = 1000L * 1000 * 1000
settings['max_out_sz'] = 1000 * 1000 * 1000
if 'out_of_order_cache_sz' not in settings:
settings['out_of_order_cache_sz'] = 100 * 1000 * 1000
settings['max_out_sz'] = long(settings['max_out_sz'])
settings['max_out_sz'] = int(settings['max_out_sz'])
settings['split_timestamp'] = int(settings['split_timestamp'])
settings['file_timestamp'] = int(settings['file_timestamp'])
settings['netmagic'] = settings['netmagic'].decode('hex')
settings['netmagic'] = unhexlify(settings['netmagic'].encode('utf-8'))
settings['out_of_order_cache_sz'] = int(settings['out_of_order_cache_sz'])
if 'output_file' not in settings and 'output' not in settings: