def install(self):
self.success = False
logger.info('Looking for {0} releases on PyPI', self.name)
p = ReqManager(self)
try:
files = p.files()
except (urllib2.URLError, urllib2.HTTPError) as e:
raise InstallationError(repr(e.reason) if hasattr(e, 'reason') else e.msg)
bad_eggs = []
for pext in ('.tar.gz', '.tar.bz2', '.zip', '.egg'):
for v, name, hash, url in files[pext]:
if pext == '.egg' and not right_egg(name):
if args_manager['install']['force_egg_install']:
bad_eggs.append( (url, name, p.name, hash) )
continue
if ext(name) not in ('.tar.gz', '.tar.bz2', '.zip', '.egg') + WINDOWS_EXT:
continue
logger.info('Best match: {0}=={1}', self.name, v)
try:
self._download_and_install(url, name, p.name, hash)
except InstallationError:
logger.info('Trying another file (if there is one)...')
continue
if not self.version:
self.version = v
break
if self.success:
return
if bad_eggs:
self._check_bad_eggs(bad_eggs)
if not self.success:
raise InstallationError('Error: Cannot find files available for dowloading and installing')
def _download(self, dir, req):
'''
Given a destination directory and a requirement to meet, download it and return the archive path.
'''
manager = ReqManager(req, ('.tar.gz', '.tar.bz2', '.zip'))
manager.download(dir)
d_name, version = manager.downloaded_name, manager.downloaded_version
arch_name = os.path.join(dir, d_name)
unpack(arch_name)
self.bundled.append('{0}=={1}'.format(name(d_name).split('-')[0], version))
return arch_name
def download_func(args):
pref = None
if args.prefer:
pref = ['.' + args.prefer.strip('.')]
name = args.packname
dest = args_manager['download']['download_dir']
unpk = args_manager['download']['unpack']
downloader = ReqManager(Requirement(name), pref)
downloader.download(dest)
if downloader.downloaded_name is None:
logger.fatal('Error: Did not find any files for {0}', name, exc=PygError)
if unpk:
path = os.path.abspath(downloader.downloaded_name)
logger.info('Unpacking {0} to {1}', os.path.basename(path), os.getcwd())
unpack(path)
