320 lines
10 KiB
Python
Executable file
320 lines
10 KiB
Python
Executable file
#! /usr/bin/env python
|
|
# encoding: utf-8
|
|
|
|
import argparse
|
|
import errno
|
|
import logging
|
|
import os
|
|
import platform
|
|
import re
|
|
import sys
|
|
import subprocess
|
|
import tempfile
|
|
|
|
try:
|
|
import winreg
|
|
except ImportError:
|
|
import _winreg as winreg
|
|
try:
|
|
import urllib.request as request
|
|
except ImportError:
|
|
import urllib as request
|
|
try:
|
|
import urllib.parse as parse
|
|
except ImportError:
|
|
import urlparse as parse
|
|
|
|
class EmptyLogger(object):
|
|
'''
|
|
Provides an implementation that performs no logging
|
|
'''
|
|
def debug(self, *k, **kw):
|
|
pass
|
|
def info(self, *k, **kw):
|
|
pass
|
|
def warn(self, *k, **kw):
|
|
pass
|
|
def error(self, *k, **kw):
|
|
pass
|
|
def critical(self, *k, **kw):
|
|
pass
|
|
def setLevel(self, *k, **kw):
|
|
pass
|
|
|
|
urls = (
|
|
'http://downloads.sourceforge.net/project/mingw-w64/Toolchains%20'
|
|
'targetting%20Win32/Personal%20Builds/mingw-builds/installer/'
|
|
'repository.txt',
|
|
'http://downloads.sourceforge.net/project/mingwbuilds/host-windows/'
|
|
'repository.txt'
|
|
)
|
|
'''
|
|
A list of mingw-build repositories
|
|
'''
|
|
|
|
def repository(urls = urls, log = EmptyLogger()):
|
|
'''
|
|
Downloads and parse mingw-build repository files and parses them
|
|
'''
|
|
log.info('getting mingw-builds repository')
|
|
versions = {}
|
|
re_sourceforge = re.compile(r'http://sourceforge.net/projects/([^/]+)/files')
|
|
re_sub = r'http://downloads.sourceforge.net/project/\1'
|
|
for url in urls:
|
|
log.debug(' - requesting: %s', url)
|
|
socket = request.urlopen(url)
|
|
repo = socket.read()
|
|
if not isinstance(repo, str):
|
|
repo = repo.decode();
|
|
socket.close()
|
|
for entry in repo.split('\n')[:-1]:
|
|
value = entry.split('|')
|
|
version = tuple([int(n) for n in value[0].strip().split('.')])
|
|
version = versions.setdefault(version, {})
|
|
arch = value[1].strip()
|
|
if arch == 'x32':
|
|
arch = 'i686'
|
|
elif arch == 'x64':
|
|
arch = 'x86_64'
|
|
arch = version.setdefault(arch, {})
|
|
threading = arch.setdefault(value[2].strip(), {})
|
|
exceptions = threading.setdefault(value[3].strip(), {})
|
|
revision = exceptions.setdefault(int(value[4].strip()[3:]),
|
|
re_sourceforge.sub(re_sub, value[5].strip()))
|
|
return versions
|
|
|
|
def find_in_path(file, path=None):
|
|
'''
|
|
Attempts to find an executable in the path
|
|
'''
|
|
if platform.system() == 'Windows':
|
|
file += '.exe'
|
|
if path is None:
|
|
path = os.environ.get('PATH', '')
|
|
if type(path) is type(''):
|
|
path = path.split(os.pathsep)
|
|
return list(filter(os.path.exists,
|
|
map(lambda dir, file=file: os.path.join(dir, file), path)))
|
|
|
|
def find_7zip(log = EmptyLogger()):
|
|
'''
|
|
Attempts to find 7zip for unpacking the mingw-build archives
|
|
'''
|
|
log.info('finding 7zip')
|
|
path = find_in_path('7z')
|
|
if not path:
|
|
key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\7-Zip')
|
|
path, _ = winreg.QueryValueEx(key, 'Path')
|
|
path = [os.path.join(path, '7z.exe')]
|
|
log.debug('found \'%s\'', path[0])
|
|
return path[0]
|
|
|
|
find_7zip()
|
|
|
|
def unpack(archive, location, log = EmptyLogger()):
|
|
'''
|
|
Unpacks a mingw-builds archive
|
|
'''
|
|
sevenzip = find_7zip(log)
|
|
log.info('unpacking %s', os.path.basename(archive))
|
|
cmd = [sevenzip, 'x', archive, '-o' + location, '-y']
|
|
log.debug(' - %r', cmd)
|
|
with open(os.devnull, 'w') as devnull:
|
|
subprocess.check_call(cmd, stdout = devnull)
|
|
|
|
def download(url, location, log = EmptyLogger()):
|
|
'''
|
|
Downloads and unpacks a mingw-builds archive
|
|
'''
|
|
log.info('downloading MinGW')
|
|
log.debug(' - url: %s', url)
|
|
log.debug(' - location: %s', location)
|
|
|
|
re_content = re.compile(r'attachment;[ \t]*filename=(")?([^"]*)(")?[\r\n]*')
|
|
|
|
stream = request.urlopen(url)
|
|
try:
|
|
content = stream.getheader('Content-Disposition') or ''
|
|
except AttributeError:
|
|
content = stream.headers.getheader('Content-Disposition') or ''
|
|
matches = re_content.match(content)
|
|
if matches:
|
|
filename = matches.group(2)
|
|
else:
|
|
parsed = parse.urlparse(stream.geturl())
|
|
filename = os.path.basename(parsed.path)
|
|
|
|
try:
|
|
os.makedirs(location)
|
|
except OSError as e:
|
|
if e.errno == errno.EEXIST and os.path.isdir(location):
|
|
pass
|
|
else:
|
|
raise
|
|
|
|
archive = os.path.join(location, filename)
|
|
with open(archive, 'wb') as out:
|
|
while True:
|
|
buf = stream.read(1024)
|
|
if not buf:
|
|
break
|
|
out.write(buf)
|
|
unpack(archive, location, log = log)
|
|
os.remove(archive)
|
|
|
|
possible = os.path.join(location, 'mingw64')
|
|
if not os.path.exists(possible):
|
|
possible = os.path.join(location, 'mingw32')
|
|
if not os.path.exists(possible):
|
|
raise ValueError('Failed to find unpacked MinGW: ' + possible)
|
|
return possible
|
|
|
|
def root(location = None, arch = None, version = None, threading = None,
|
|
exceptions = None, revision = None, log = EmptyLogger()):
|
|
'''
|
|
Returns the root folder of a specific version of the mingw-builds variant
|
|
of gcc. Will download the compiler if needed
|
|
'''
|
|
|
|
# Get the repository if we don't have all the information
|
|
if not (arch and version and threading and exceptions and revision):
|
|
versions = repository(log = log)
|
|
|
|
# Determine some defaults
|
|
version = version or max(versions.keys())
|
|
if not arch:
|
|
arch = platform.machine().lower()
|
|
if arch == 'x86':
|
|
arch = 'i686'
|
|
elif arch == 'amd64':
|
|
arch = 'x86_64'
|
|
if not threading:
|
|
keys = versions[version][arch].keys()
|
|
if 'posix' in keys:
|
|
threading = 'posix'
|
|
elif 'win32' in keys:
|
|
threading = 'win32'
|
|
else:
|
|
threading = keys[0]
|
|
if not exceptions:
|
|
keys = versions[version][arch][threading].keys()
|
|
if 'seh' in keys:
|
|
exceptions = 'seh'
|
|
elif 'sjlj' in keys:
|
|
exceptions = 'sjlj'
|
|
else:
|
|
exceptions = keys[0]
|
|
if revision == None:
|
|
revision = max(versions[version][arch][threading][exceptions].keys())
|
|
if not location:
|
|
location = os.path.join(tempfile.gettempdir(), 'mingw-builds')
|
|
|
|
# Get the download url
|
|
url = versions[version][arch][threading][exceptions][revision]
|
|
|
|
# Tell the user whatzzup
|
|
log.info('finding MinGW %s', '.'.join(str(v) for v in version))
|
|
log.debug(' - arch: %s', arch)
|
|
log.debug(' - threading: %s', threading)
|
|
log.debug(' - exceptions: %s', exceptions)
|
|
log.debug(' - revision: %s', revision)
|
|
log.debug(' - url: %s', url)
|
|
|
|
# Store each specific revision differently
|
|
slug = '{version}-{arch}-{threading}-{exceptions}-rev{revision}'
|
|
slug = slug.format(
|
|
version = '.'.join(str(v) for v in version),
|
|
arch = arch,
|
|
threading = threading,
|
|
exceptions = exceptions,
|
|
revision = revision
|
|
)
|
|
if arch == 'x86_64':
|
|
root_dir = os.path.join(location, slug, 'mingw64')
|
|
elif arch == 'i686':
|
|
root_dir = os.path.join(location, slug, 'mingw32')
|
|
else:
|
|
raise ValueError('Unknown MinGW arch: ' + arch)
|
|
|
|
# Download if needed
|
|
if not os.path.exists(root_dir):
|
|
downloaded = download(url, os.path.join(location, slug), log = log)
|
|
if downloaded != root_dir:
|
|
raise ValueError('The location of mingw did not match\n%s\n%s'
|
|
% (downloaded, root_dir))
|
|
|
|
return root_dir
|
|
|
|
def str2ver(string):
|
|
'''
|
|
Converts a version string into a tuple
|
|
'''
|
|
try:
|
|
version = tuple(int(v) for v in string.split('.'))
|
|
if len(version) is not 3:
|
|
raise ValueError()
|
|
except ValueError:
|
|
raise argparse.ArgumentTypeError(
|
|
'please provide a three digit version string')
|
|
return version
|
|
|
|
def main():
|
|
'''
|
|
Invoked when the script is run directly by the python interpreter
|
|
'''
|
|
parser = argparse.ArgumentParser(
|
|
description = 'Downloads a specific version of MinGW',
|
|
formatter_class = argparse.ArgumentDefaultsHelpFormatter
|
|
)
|
|
parser.add_argument('--location',
|
|
help = 'the location to download the compiler to',
|
|
default = os.path.join(tempfile.gettempdir(), 'mingw-builds'))
|
|
parser.add_argument('--arch', required = True, choices = ['i686', 'x86_64'],
|
|
help = 'the target MinGW architecture string')
|
|
parser.add_argument('--version', type = str2ver,
|
|
help = 'the version of GCC to download')
|
|
parser.add_argument('--threading', choices = ['posix', 'win32'],
|
|
help = 'the threading type of the compiler')
|
|
parser.add_argument('--exceptions', choices = ['sjlj', 'seh', 'dwarf'],
|
|
help = 'the method to throw exceptions')
|
|
parser.add_argument('--revision', type=int,
|
|
help = 'the revision of the MinGW release')
|
|
group = parser.add_mutually_exclusive_group()
|
|
group.add_argument('-v', '--verbose', action='store_true',
|
|
help='increase the script output verbosity')
|
|
group.add_argument('-q', '--quiet', action='store_true',
|
|
help='only print errors and warning')
|
|
args = parser.parse_args()
|
|
|
|
# Create the logger
|
|
logger = logging.getLogger('mingw')
|
|
handler = logging.StreamHandler()
|
|
formatter = logging.Formatter('%(message)s')
|
|
handler.setFormatter(formatter)
|
|
logger.addHandler(handler)
|
|
logger.setLevel(logging.INFO)
|
|
if args.quiet:
|
|
logger.setLevel(logging.WARN)
|
|
if args.verbose:
|
|
logger.setLevel(logging.DEBUG)
|
|
|
|
# Get MinGW
|
|
root_dir = root(location = args.location, arch = args.arch,
|
|
version = args.version, threading = args.threading,
|
|
exceptions = args.exceptions, revision = args.revision,
|
|
log = logger)
|
|
|
|
sys.stdout.write('%s\n' % os.path.join(root_dir, 'bin'))
|
|
|
|
if __name__ == '__main__':
|
|
try:
|
|
main()
|
|
except IOError as e:
|
|
sys.stderr.write('IO error: %s\n' % e)
|
|
sys.exit(1)
|
|
except OSError as e:
|
|
sys.stderr.write('OS error: %s\n' % e)
|
|
sys.exit(1)
|
|
except KeyboardInterrupt as e:
|
|
sys.stderr.write('Killed\n')
|
|
sys.exit(1)
|