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042050ef67
Included sample benchmark for eminline for native and noasm Made GoogleTest compile only if tests are compiled
320 lines
10 KiB
Python
320 lines
10 KiB
Python
#! /usr/bin/env python
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# encoding: utf-8
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import argparse
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import errno
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import logging
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import os
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import platform
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import re
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import sys
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import subprocess
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import tempfile
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try:
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import winreg
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except ImportError:
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import _winreg as winreg
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try:
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import urllib.request as request
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except ImportError:
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import urllib as request
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try:
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import urllib.parse as parse
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except ImportError:
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import urlparse as parse
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class EmptyLogger(object):
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'''
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Provides an implementation that performs no logging
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'''
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def debug(self, *k, **kw):
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pass
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def info(self, *k, **kw):
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pass
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def warn(self, *k, **kw):
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pass
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def error(self, *k, **kw):
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pass
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def critical(self, *k, **kw):
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pass
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def setLevel(self, *k, **kw):
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pass
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urls = (
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'http://downloads.sourceforge.net/project/mingw-w64/Toolchains%20'
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'targetting%20Win32/Personal%20Builds/mingw-builds/installer/'
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'repository.txt',
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'http://downloads.sourceforge.net/project/mingwbuilds/host-windows/'
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'repository.txt'
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)
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'''
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A list of mingw-build repositories
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'''
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def repository(urls = urls, log = EmptyLogger()):
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'''
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Downloads and parse mingw-build repository files and parses them
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'''
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log.info('getting mingw-builds repository')
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versions = {}
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re_sourceforge = re.compile(r'http://sourceforge.net/projects/([^/]+)/files')
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re_sub = r'http://downloads.sourceforge.net/project/\1'
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for url in urls:
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log.debug(' - requesting: %s', url)
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socket = request.urlopen(url)
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repo = socket.read()
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if not isinstance(repo, str):
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repo = repo.decode();
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socket.close()
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for entry in repo.split('\n')[:-1]:
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value = entry.split('|')
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version = tuple([int(n) for n in value[0].strip().split('.')])
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version = versions.setdefault(version, {})
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arch = value[1].strip()
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if arch == 'x32':
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arch = 'i686'
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elif arch == 'x64':
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arch = 'x86_64'
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arch = version.setdefault(arch, {})
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threading = arch.setdefault(value[2].strip(), {})
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exceptions = threading.setdefault(value[3].strip(), {})
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revision = exceptions.setdefault(int(value[4].strip()[3:]),
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re_sourceforge.sub(re_sub, value[5].strip()))
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return versions
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def find_in_path(file, path=None):
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'''
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Attempts to find an executable in the path
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'''
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if platform.system() == 'Windows':
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file += '.exe'
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if path is None:
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path = os.environ.get('PATH', '')
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if type(path) is type(''):
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path = path.split(os.pathsep)
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return list(filter(os.path.exists,
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map(lambda dir, file=file: os.path.join(dir, file), path)))
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def find_7zip(log = EmptyLogger()):
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'''
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Attempts to find 7zip for unpacking the mingw-build archives
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'''
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log.info('finding 7zip')
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path = find_in_path('7z')
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if not path:
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key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\7-Zip')
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path, _ = winreg.QueryValueEx(key, 'Path')
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path = [os.path.join(path, '7z.exe')]
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log.debug('found \'%s\'', path[0])
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return path[0]
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find_7zip()
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def unpack(archive, location, log = EmptyLogger()):
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'''
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Unpacks a mingw-builds archive
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'''
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sevenzip = find_7zip(log)
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log.info('unpacking %s', os.path.basename(archive))
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cmd = [sevenzip, 'x', archive, '-o' + location, '-y']
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log.debug(' - %r', cmd)
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with open(os.devnull, 'w') as devnull:
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subprocess.check_call(cmd, stdout = devnull)
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def download(url, location, log = EmptyLogger()):
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'''
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Downloads and unpacks a mingw-builds archive
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'''
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log.info('downloading MinGW')
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log.debug(' - url: %s', url)
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log.debug(' - location: %s', location)
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re_content = re.compile(r'attachment;[ \t]*filename=(")?([^"]*)(")?[\r\n]*')
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stream = request.urlopen(url)
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try:
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content = stream.getheader('Content-Disposition') or ''
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except AttributeError:
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content = stream.headers.getheader('Content-Disposition') or ''
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matches = re_content.match(content)
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if matches:
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filename = matches.group(2)
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else:
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parsed = parse.urlparse(stream.geturl())
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filename = os.path.basename(parsed.path)
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try:
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os.makedirs(location)
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except OSError as e:
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if e.errno == errno.EEXIST and os.path.isdir(location):
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pass
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else:
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raise
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archive = os.path.join(location, filename)
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with open(archive, 'wb') as out:
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while True:
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buf = stream.read(1024)
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if not buf:
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break
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out.write(buf)
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unpack(archive, location, log = log)
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os.remove(archive)
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possible = os.path.join(location, 'mingw64')
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if not os.path.exists(possible):
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possible = os.path.join(location, 'mingw32')
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if not os.path.exists(possible):
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raise ValueError('Failed to find unpacked MinGW: ' + possible)
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return possible
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def root(location = None, arch = None, version = None, threading = None,
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exceptions = None, revision = None, log = EmptyLogger()):
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'''
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Returns the root folder of a specific version of the mingw-builds variant
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of gcc. Will download the compiler if needed
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'''
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# Get the repository if we don't have all the information
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if not (arch and version and threading and exceptions and revision):
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versions = repository(log = log)
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# Determine some defaults
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version = version or max(versions.keys())
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if not arch:
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arch = platform.machine().lower()
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if arch == 'x86':
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arch = 'i686'
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elif arch == 'amd64':
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arch = 'x86_64'
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if not threading:
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keys = versions[version][arch].keys()
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if 'posix' in keys:
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threading = 'posix'
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elif 'win32' in keys:
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threading = 'win32'
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else:
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threading = keys[0]
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if not exceptions:
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keys = versions[version][arch][threading].keys()
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if 'seh' in keys:
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exceptions = 'seh'
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elif 'sjlj' in keys:
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exceptions = 'sjlj'
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else:
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exceptions = keys[0]
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if revision == None:
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revision = max(versions[version][arch][threading][exceptions].keys())
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if not location:
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location = os.path.join(tempfile.gettempdir(), 'mingw-builds')
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# Get the download url
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url = versions[version][arch][threading][exceptions][revision]
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# Tell the user whatzzup
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log.info('finding MinGW %s', '.'.join(str(v) for v in version))
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log.debug(' - arch: %s', arch)
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log.debug(' - threading: %s', threading)
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log.debug(' - exceptions: %s', exceptions)
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log.debug(' - revision: %s', revision)
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log.debug(' - url: %s', url)
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# Store each specific revision differently
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slug = '{version}-{arch}-{threading}-{exceptions}-rev{revision}'
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slug = slug.format(
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version = '.'.join(str(v) for v in version),
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arch = arch,
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threading = threading,
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exceptions = exceptions,
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revision = revision
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)
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if arch == 'x86_64':
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root_dir = os.path.join(location, slug, 'mingw64')
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elif arch == 'i686':
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root_dir = os.path.join(location, slug, 'mingw32')
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else:
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raise ValueError('Unknown MinGW arch: ' + arch)
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# Download if needed
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if not os.path.exists(root_dir):
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downloaded = download(url, os.path.join(location, slug), log = log)
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if downloaded != root_dir:
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raise ValueError('The location of mingw did not match\n%s\n%s'
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% (downloaded, root_dir))
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return root_dir
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def str2ver(string):
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'''
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Converts a version string into a tuple
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'''
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try:
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version = tuple(int(v) for v in string.split('.'))
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if len(version) is not 3:
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raise ValueError()
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except ValueError:
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raise argparse.ArgumentTypeError(
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'please provide a three digit version string')
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return version
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def main():
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'''
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Invoked when the script is run directly by the python interpreter
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'''
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parser = argparse.ArgumentParser(
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description = 'Downloads a specific version of MinGW',
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formatter_class = argparse.ArgumentDefaultsHelpFormatter
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)
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parser.add_argument('--location',
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help = 'the location to download the compiler to',
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default = os.path.join(tempfile.gettempdir(), 'mingw-builds'))
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parser.add_argument('--arch', required = True, choices = ['i686', 'x86_64'],
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help = 'the target MinGW architecture string')
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parser.add_argument('--version', type = str2ver,
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help = 'the version of GCC to download')
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parser.add_argument('--threading', choices = ['posix', 'win32'],
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help = 'the threading type of the compiler')
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parser.add_argument('--exceptions', choices = ['sjlj', 'seh', 'dwarf'],
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help = 'the method to throw exceptions')
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parser.add_argument('--revision', type=int,
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help = 'the revision of the MinGW release')
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group = parser.add_mutually_exclusive_group()
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group.add_argument('-v', '--verbose', action='store_true',
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help='increase the script output verbosity')
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group.add_argument('-q', '--quiet', action='store_true',
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help='only print errors and warning')
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args = parser.parse_args()
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# Create the logger
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logger = logging.getLogger('mingw')
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handler = logging.StreamHandler()
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formatter = logging.Formatter('%(message)s')
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handler.setFormatter(formatter)
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logger.addHandler(handler)
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logger.setLevel(logging.INFO)
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if args.quiet:
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logger.setLevel(logging.WARN)
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if args.verbose:
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logger.setLevel(logging.DEBUG)
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# Get MinGW
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root_dir = root(location = args.location, arch = args.arch,
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version = args.version, threading = args.threading,
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exceptions = args.exceptions, revision = args.revision,
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log = logger)
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sys.stdout.write('%s\n' % os.path.join(root_dir, 'bin'))
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if __name__ == '__main__':
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try:
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main()
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except IOError as e:
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sys.stderr.write('IO error: %s\n' % e)
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sys.exit(1)
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except OSError as e:
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sys.stderr.write('OS error: %s\n' % e)
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sys.exit(1)
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except KeyboardInterrupt as e:
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sys.stderr.write('Killed\n')
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sys.exit(1)
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