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Merge #11881: Remove Python2 support

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1874058 Make base58 python contrib code work with python3 (Evan Klitzke)
bc6fdf2 Change all python files to use Python3 (John Newbery)

Pull request description:

  Following discussion here: https://github.com/bitcoin/bitcoin/pull/11843#issuecomment-351033742

  It's easier for maintainers if all python tools/scripts support only a single version of Python. There are only a few scripts that aren't explicitly python3 at this point, so this PR changes those remaining scripts to explicitly require python3.

Tree-SHA512: 5d38eef6e0fc7d8515e23a1f4c75e8b4160fd0fe23cba52a1f41689b114e54a9e503e0724829e8b41982ef98f2d113df80d9e238213b74f09ceaed0344a19e24
This commit is contained in:
Wladimir J. van der Laan 2018-03-28 16:06:11 +02:00
commit 624bee9659
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GPG key ID: 1E4AED62986CD25D
13 changed files with 80 additions and 87 deletions
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24
contrib/devtools/check-doc.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2015-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -16,29 +16,29 @@ import sys
FOLDER_GREP = 'src'
FOLDER_TEST = 'src/test/'
CMD_ROOT_DIR = '`git rev-parse --show-toplevel`/%s' % FOLDER_GREP
CMD_GREP_ARGS = r"egrep -r -I '(map(Multi)?Args(\.count\(|\[)|Get(Bool)?Arg\()\"\-[^\"]+?\"' %s | grep -v '%s'" % (CMD_ROOT_DIR, FOLDER_TEST)
CMD_GREP_DOCS = r"egrep -r -I 'HelpMessageOpt\(\"\-[^\"=]+?(=|\")' %s" % (CMD_ROOT_DIR)
CMD_ROOT_DIR = '`git rev-parse --show-toplevel`/{}'.format(FOLDER_GREP)
CMD_GREP_ARGS = r"egrep -r -I '(map(Multi)?Args(\.count\(|\[)|Get(Bool)?Arg\()\"\-[^\"]+?\"' {} | grep -v '{}'".format(CMD_ROOT_DIR, FOLDER_TEST)
CMD_GREP_DOCS = r"egrep -r -I 'HelpMessageOpt\(\"\-[^\"=]+?(=|\")' {}".format(CMD_ROOT_DIR)
REGEX_ARG = re.compile(r'(?:map(?:Multi)?Args(?:\.count\(|\[)|Get(?:Bool)?Arg\()\"(\-[^\"]+?)\"')
REGEX_DOC = re.compile(r'HelpMessageOpt\(\"(\-[^\"=]+?)(?:=|\")')
# list unsupported, deprecated and duplicate args as they need no documentation
SET_DOC_OPTIONAL = set(['-rpcssl', '-benchmark', '-h', '-help', '-socks', '-tor', '-debugnet', '-whitelistalwaysrelay', '-prematurewitness', '-walletprematurewitness', '-promiscuousmempoolflags', '-blockminsize', '-dbcrashratio', '-forcecompactdb', '-usehd'])
def main():
used = check_output(CMD_GREP_ARGS, shell=True)
docd = check_output(CMD_GREP_DOCS, shell=True)
used = check_output(CMD_GREP_ARGS, shell=True, universal_newlines=True)
docd = check_output(CMD_GREP_DOCS, shell=True, universal_newlines=True)
args_used = set(re.findall(REGEX_ARG,used))
args_docd = set(re.findall(REGEX_DOC,docd)).union(SET_DOC_OPTIONAL)
args_need_doc = args_used.difference(args_docd)
args_unknown = args_docd.difference(args_used)
print "Args used : %s" % len(args_used)
print "Args documented : %s" % len(args_docd)
print "Args undocumented: %s" % len(args_need_doc)
print args_need_doc
print "Args unknown : %s" % len(args_unknown)
print args_unknown
print("Args used : {}".format(len(args_used)))
print("Args documented : {}".format(len(args_docd)))
print("Args undocumented: {}".format(len(args_need_doc)))
print(args_need_doc)
print("Args unknown : {}".format(len(args_unknown)))
print(args_unknown)
sys.exit(len(args_need_doc))

19
contrib/devtools/clang-format-diff.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
#
#===- clang-format-diff.py - ClangFormat Diff Reformatter ----*- python -*--===#
#
@ -69,10 +69,10 @@ Example usage for git/svn users:
import argparse
import difflib
import io
import re
import string
import subprocess
import StringIO
import sys
@ -133,9 +133,9 @@ def main():
['-lines', str(start_line) + ':' + str(end_line)])
# Reformat files containing changes in place.
for filename, lines in lines_by_file.iteritems():
for filename, lines in lines_by_file.items():
if args.i and args.verbose:
print 'Formatting', filename
print('Formatting {}'.format(filename))
command = [binary, filename]
if args.i:
command.append('-i')
@ -143,8 +143,11 @@ def main():
command.append('-sort-includes')
command.extend(lines)
command.extend(['-style=file', '-fallback-style=none'])
p = subprocess.Popen(command, stdout=subprocess.PIPE,
stderr=None, stdin=subprocess.PIPE)
p = subprocess.Popen(command,
stdout=subprocess.PIPE,
stderr=None,
stdin=subprocess.PIPE,
universal_newlines=True)
stdout, stderr = p.communicate()
if p.returncode != 0:
sys.exit(p.returncode)
@ -152,11 +155,11 @@ def main():
if not args.i:
with open(filename) as f:
code = f.readlines()
formatted_code = StringIO.StringIO(stdout).readlines()
formatted_code = io.StringIO(stdout).readlines()
diff = difflib.unified_diff(code, formatted_code,
filename, filename,
'(before formatting)', '(after formatting)')
diff_string = string.join(diff, '')
diff_string = ''.join(diff)
if len(diff_string) > 0:
sys.stdout.write(diff_string)

30
contrib/devtools/optimize-pngs.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2014-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -10,7 +10,7 @@ import os
import sys
import subprocess
import hashlib
from PIL import Image
from PIL import Image # pip3 install Pillow
def file_hash(filename):
'''Return hash of raw file contents'''
@ -27,7 +27,7 @@ def content_hash(filename):
pngcrush = 'pngcrush'
git = 'git'
folders = ["src/qt/res/movies", "src/qt/res/icons", "share/pixmaps"]
basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel']).rstrip('\n')
basePath = subprocess.check_output([git, 'rev-parse', '--show-toplevel'], universal_newlines=True).rstrip('\n')
totalSaveBytes = 0
noHashChange = True
@ -37,42 +37,40 @@ for folder in folders:
for file in os.listdir(absFolder):
extension = os.path.splitext(file)[1]
if extension.lower() == '.png':
print("optimizing "+file+"..."),
print("optimizing {}...".format(file), end =' ')
file_path = os.path.join(absFolder, file)
fileMetaMap = {'file' : file, 'osize': os.path.getsize(file_path), 'sha256Old' : file_hash(file_path)}
fileMetaMap['contentHashPre'] = content_hash(file_path)
pngCrushOutput = ""
try:
pngCrushOutput = subprocess.check_output(
[pngcrush, "-brute", "-ow", "-rem", "gAMA", "-rem", "cHRM", "-rem", "iCCP", "-rem", "sRGB", "-rem", "alla", "-rem", "text", file_path],
stderr=subprocess.STDOUT).rstrip('\n')
subprocess.call([pngcrush, "-brute", "-ow", "-rem", "gAMA", "-rem", "cHRM", "-rem", "iCCP", "-rem", "sRGB", "-rem", "alla", "-rem", "text", file_path],
stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
except:
print "pngcrush is not installed, aborting..."
print("pngcrush is not installed, aborting...")
sys.exit(0)
#verify
if "Not a PNG file" in subprocess.check_output([pngcrush, "-n", "-v", file_path], stderr=subprocess.STDOUT):
print "PNG file "+file+" is corrupted after crushing, check out pngcursh version"
if "Not a PNG file" in subprocess.check_output([pngcrush, "-n", "-v", file_path], stderr=subprocess.STDOUT, universal_newlines=True):
print("PNG file "+file+" is corrupted after crushing, check out pngcursh version")
sys.exit(1)
fileMetaMap['sha256New'] = file_hash(file_path)
fileMetaMap['contentHashPost'] = content_hash(file_path)
if fileMetaMap['contentHashPre'] != fileMetaMap['contentHashPost']:
print "Image contents of PNG file "+file+" before and after crushing don't match"
print("Image contents of PNG file {} before and after crushing don't match".format(file))
sys.exit(1)
fileMetaMap['psize'] = os.path.getsize(file_path)
outputArray.append(fileMetaMap)
print("done\n"),
print("done")
print "summary:\n+++++++++++++++++"
print("summary:\n+++++++++++++++++")
for fileDict in outputArray:
oldHash = fileDict['sha256Old']
newHash = fileDict['sha256New']
totalSaveBytes += fileDict['osize'] - fileDict['psize']
noHashChange = noHashChange and (oldHash == newHash)
print fileDict['file']+"\n size diff from: "+str(fileDict['osize'])+" to: "+str(fileDict['psize'])+"\n old sha256: "+oldHash+"\n new sha256: "+newHash+"\n"
print(fileDict['file']+"\n size diff from: "+str(fileDict['osize'])+" to: "+str(fileDict['psize'])+"\n old sha256: "+oldHash+"\n new sha256: "+newHash+"\n")
print "completed. Checksum stable: "+str(noHashChange)+". Total reduction: "+str(totalSaveBytes)+" bytes"
print("completed. Checksum stable: "+str(noHashChange)+". Total reduction: "+str(totalSaveBytes)+" bytes")

3
contrib/devtools/security-check.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2015-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -8,7 +8,6 @@ Exit status will be 0 if successful, and the program will be silent.
Otherwise the exit status will be 1 and it will log which executables failed which checks.
Needs `readelf` (for ELF) and `objdump` (for PE).
'''
from __future__ import division,print_function,unicode_literals
import subprocess
import sys
import os

3
contrib/devtools/symbol-check.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2014 Wladimir J. van der Laan
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -11,7 +11,6 @@ Example usage:
find ../gitian-builder/build -type f -executable | xargs python contrib/devtools/symbol-check.py
'''
from __future__ import division, print_function, unicode_literals
import subprocess
import re
import sys

3
contrib/devtools/update-translations.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2014 Wladimir J. van der Laan
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -15,7 +15,6 @@ It will do the following automatically:
TODO:
- auto-add new translations to the build system according to the translation process
'''
from __future__ import division, print_function
import subprocess
import re
import sys

3
contrib/macdeploy/custom_dsstore.py
View file

@ -1,8 +1,7 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2013-2016 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
from __future__ import division,print_function,unicode_literals
import biplist
from ds_store import DSStore
from mac_alias import Alias

27
contrib/macdeploy/macdeployqtplus
View file

@ -1,5 +1,4 @@
#!/usr/bin/env python
from __future__ import division, print_function, unicode_literals
#!/usr/bin/env python3
#
# Copyright (C) 2011 Patrick "p2k" Schneider <me@p2k-network.org>
#
@ -203,7 +202,7 @@ def getFrameworks(binaryPath, verbose):
if verbose >= 3:
print("Inspecting with otool: " + binaryPath)
otoolbin=os.getenv("OTOOL", "otool")
otool = subprocess.Popen([otoolbin, "-L", binaryPath], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
otool = subprocess.Popen([otoolbin, "-L", binaryPath], stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
o_stdout, o_stderr = otool.communicate()
if otool.returncode != 0:
if verbose >= 1:
@ -211,7 +210,7 @@ def getFrameworks(binaryPath, verbose):
sys.stderr.flush()
raise RuntimeError("otool failed with return code %d" % otool.returncode)
otoolLines = o_stdout.decode().split("\n")
otoolLines = o_stdout.split("\n")
otoolLines.pop(0) # First line is the inspected binary
if ".framework" in binaryPath or binaryPath.endswith(".dylib"):
otoolLines.pop(0) # Frameworks and dylibs list themselves as a dependency.
@ -714,22 +713,6 @@ elif config.sign:
if config.dmg is not None:
#Patch in check_output for Python 2.6
if "check_output" not in dir( subprocess ):
def f(*popenargs, **kwargs):
if 'stdout' in kwargs:
raise ValueError('stdout argument not allowed, it will be overridden.')
process = subprocess.Popen(stdout=subprocess.PIPE, *popenargs, **kwargs)
output, unused_err = process.communicate()
retcode = process.poll()
if retcode:
cmd = kwargs.get("args")
if cmd is None:
cmd = popenargs[0]
raise CalledProcessError(retcode, cmd)
return output
subprocess.check_output = f
def runHDIUtil(verb, image_basename, **kwargs):
hdiutil_args = ["hdiutil", verb, image_basename + ".dmg"]
if "capture_stdout" in kwargs:
@ -747,7 +730,7 @@ if config.dmg is not None:
if not value is True:
hdiutil_args.append(str(value))
return run(hdiutil_args)
return run(hdiutil_args, universal_newlines=True)
if verbose >= 2:
if fancy is None:
@ -789,7 +772,7 @@ if config.dmg is not None:
except subprocess.CalledProcessError as e:
sys.exit(e.returncode)
m = re.search("/Volumes/(.+$)", output.decode())
m = re.search("/Volumes/(.+$)", output)
disk_root = m.group(0)
disk_name = m.group(1)

20
contrib/testgen/base58.py
View file

@ -28,7 +28,9 @@ def b58encode(v):
"""
long_value = 0
for (i, c) in enumerate(v[::-1]):
long_value += (256**i) * ord(c)
if isinstance(c, str):
c = ord(c)
long_value += (256**i) * c
result = ''
while long_value >= __b58base:
@ -41,7 +43,7 @@ def b58encode(v):
# leading 0-bytes in the input become leading-1s
nPad = 0
for c in v:
if c == '\0': nPad += 1
if c == 0: nPad += 1
else: break
return (__b58chars[0]*nPad) + result
@ -50,8 +52,10 @@ def b58decode(v, length = None):
""" decode v into a string of len bytes
"""
long_value = 0
for (i, c) in enumerate(v[::-1]):
long_value += __b58chars.find(c) * (__b58base**i)
for i, c in enumerate(v[::-1]):
pos = __b58chars.find(c)
assert pos != -1
long_value += pos * (__b58base**i)
result = bytes()
while long_value >= 256:
@ -62,10 +66,12 @@ def b58decode(v, length = None):
nPad = 0
for c in v:
if c == __b58chars[0]: nPad += 1
else: break
if c == __b58chars[0]:
nPad += 1
continue
break
result = chr(0)*nPad + result
result = bytes(nPad) + result
if length is not None and len(result) != length:
return None

23
contrib/testgen/gen_base58_test_vectors.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2012-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -46,8 +46,8 @@ def is_valid(v):
if result is None:
return False
for template in templates:
prefix = str(bytearray(template[0]))
suffix = str(bytearray(template[2]))
prefix = bytearray(template[0])
suffix = bytearray(template[2])
if result.startswith(prefix) and result.endswith(suffix):
if (len(result) - len(prefix) - len(suffix)) == template[1]:
return True
@ -57,20 +57,23 @@ def gen_valid_vectors():
'''Generate valid test vectors'''
while True:
for template in templates:
prefix = str(bytearray(template[0]))
payload = os.urandom(template[1])
suffix = str(bytearray(template[2]))
prefix = bytearray(template[0])
payload = bytearray(os.urandom(template[1]))
suffix = bytearray(template[2])
rv = b58encode_chk(prefix + payload + suffix)
assert is_valid(rv)
metadata = dict([(x,y) for (x,y) in zip(metadata_keys,template[3]) if y is not None])
yield (rv, b2a_hex(payload), metadata)
metadata = {x: y for x, y in zip(metadata_keys,template[3]) if y is not None}
hexrepr = b2a_hex(payload)
if isinstance(hexrepr, bytes):
hexrepr = hexrepr.decode('utf8')
yield (rv, hexrepr, metadata)
def gen_invalid_vector(template, corrupt_prefix, randomize_payload_size, corrupt_suffix):
'''Generate possibly invalid vector'''
if corrupt_prefix:
prefix = os.urandom(1)
else:
prefix = str(bytearray(template[0]))
prefix = bytearray(template[0])
if randomize_payload_size:
payload = os.urandom(max(int(random.expovariate(0.5)), 50))
@ -80,7 +83,7 @@ def gen_invalid_vector(template, corrupt_prefix, randomize_payload_size, corrupt
if corrupt_suffix:
suffix = os.urandom(len(template[2]))
else:
suffix = str(bytearray(template[2]))
suffix = bytearray(template[2])
return b58encode_chk(prefix + payload + suffix)

5
doc/release-notes.md
View file

@ -117,6 +117,11 @@ deprecated in V0.15.1, and has now been removed. Miners should use the
`-blockmaxweight` option if they want to limit the weight of their blocks'
weights.
Python Support
--------------
Support for Python 2 has been discontinued for all test files and tools.
Credits
=======

3
share/qt/extract_strings_qt.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2012-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.
@ -6,7 +6,6 @@
Extract _("...") strings for translation and convert to Qt stringdefs so that
they can be picked up by Qt linguist.
'''
from __future__ import division,print_function,unicode_literals
from subprocess import Popen, PIPE
import operator
import os

2
share/rpcauth/rpcauth.py
View file

@ -1,4 +1,4 @@
#!/usr/bin/env python
#!/usr/bin/env python3
# Copyright (c) 2015-2017 The Bitcoin Core developers
# Distributed under the MIT software license, see the accompanying
# file COPYING or http://www.opensource.org/licenses/mit-license.php.