#!C:\Users\xukai\Downloads\发票2\venv\Scripts\python.exe
import sys
import os
import optparse
import pkg_resources
import urllib2
import urllib
import mimetypes
import zipfile
import tarfile
import tempfile
import subprocess
import posixpath
import re
import shutil
try:
from hashlib import md5
except ImportError:
import md5 as md5_module
md5 = md5_module.new
import urlparse
from email.FeedParser import FeedParser
import traceback
from cStringIO import StringIO
import socket
from Queue import Queue
from Queue import Empty as QueueEmpty
import threading
import httplib
import time
import logging
class InstallationError(Exception):
"""General exception during installation"""
class DistributionNotFound(InstallationError):
"""Raised when a distribution cannot be found to satisfy a requirement"""
if getattr(sys, 'real_prefix', None):
## FIXME: is build/ a good name?
base_prefix = os.path.join(sys.prefix, 'build')
base_src_prefix = os.path.join(sys.prefix, 'src')
else:
## FIXME: this isn't a very good default
base_prefix = os.path.join(os.getcwd(), 'build')
base_src_prefix = os.path.join(os.getcwd(), 'src')
pypi_url = "http://pypi.python.org/simple"
default_timeout = 15
parser = optparse.OptionParser(
usage='%prog [OPTIONS] PACKAGE_NAMES')
parser.add_option(
'-e', '--editable',
dest='editables',
action='append',
default=[],
metavar='svn+REPOS_URL[@REV]#egg=PACKAGE',
help='Install a package directly from a checkout. Source will be checked '
'out into src/PACKAGE (lower-case) and installed in-place (using '
'setup.py develop). This option may be provided multiple times.')
parser.add_option(
'-r', '--requirement',
dest='requirements',
action='append',
default=[],
metavar='FILENAME',
help='Install all the packages listed in the given requirements file. '
'This option can be used multiple times.')
parser.add_option(
'-f', '--find-links',
dest='find_links',
action='append',
default=[],
metavar='URL',
help='URL to look for packages at')
parser.add_option(
'-i', '--index-url',
dest='index_url',
metavar='URL',
default=pypi_url,
help='base URL of Python Package Index')
parser.add_option(
'--extra-index-url',
dest='extra_index_urls',
metavar='URL',
action='append',
default=[],
help='extra URLs of package indexes to use in addition to --index-url')
parser.add_option(
'-b', '--build', '--build-dir', '--build-directory',
dest='build_dir',
metavar='DIR',
default=None,
help='Unpack packages into DIR (default %s) and build from there' % base_prefix)
parser.add_option(
'--src', '--source',
dest='src_dir',
metavar='DIR',
default=None,
help='Check out --editable packages into DIR (default %s)' % base_src_prefix)
parser.add_option(
'--timeout',
metavar='SECONDS',
dest='timeout',
type='float',
default=default_timeout,
help='Set the socket timeout (default %s seconds)' % default_timeout)
parser.add_option(
'-U', '--upgrade',
dest='upgrade',
action='store_true',
help='Upgrade all packages to the newest available version')
parser.add_option(
'-I', '--ignore-installed',
dest='ignore_installed',
action='store_true',
help='Ignore the installed packages (reinstalling instead)')
parser.add_option(
'--no-install',
dest='no_install',
action='store_true',
help="Download and unpack all packages, but don't actually install them")
parser.add_option(
'--bundle',
dest='bundle',
metavar='BUNDLE_FILE',
help="Collect all packages and create a .pybundle file.")
parser.add_option(
'--freeze',
dest='freeze',
metavar='FREEZE_FILE',
help="Create a file that can be used with --requirement to reproduce the "
"installed packages. You can also give one --requirement file that will "
"be used as the basis of the new file.")
parser.add_option(
'-E', '--environment',
dest='venv',
metavar='DIR',
help='virtualenv environment to run pyinstall in (either give the '
'interpreter or the environment base directory)')
parser.add_option(
'-v', '--verbose',
dest='verbose',
action='count',
default=0,
help='Give more output')
parser.add_option(
'-q', '--quiet',
dest='quiet',
action='count',
default=0,
help='Give less output')
parser.add_option(
'--log',
dest='log',
metavar='FILENAME',
help='Log file where a complete (maximum verbosity) record will be kept')
parser.add_option(
'--proxy',
dest='proxy',
type='str',
default='',
help="Specify a proxy in the form user:passwd@proxy.server:port. "
"Note that the user:password@ is optional and required only if you "
"are behind an authenticated proxy. If you provide "
"user@proxy.server:port then you will be prompted for a password."
)
parser.add_option(
'--install-option',
dest='install_options',
action='append',
help="Extra arguments to be supplied to the setup.py install "
"command (use like --install-option=\"--install-scripts=/usr/local/bin\"). "
"Use multiple --install-option options to pass multiple options to setup.py install"
)
def get_proxy(proxystr=''):
"""Get the proxy given the option passed on the command line. If an
empty string is passed it looks at the HTTP_PROXY environment
variable."""
if not proxystr:
proxystr = os.environ.get('HTTP_PROXY', '')
if proxystr:
if '@' in proxystr:
user_password, server_port = proxystr.split('@', 1)
if ':' in user_password:
user, password = user_password.split(':', 1)
else:
user = user_password
import getpass
prompt = 'Password for %s@%s: ' % (user, server_port)
password = urllib.quote(getpass.getpass(prompt))
return '%s:%s@%s' % (user, password, server_port)
else:
return proxystr
else:
return None
def setup_proxy_handler(proxystr=''):
"""Set the proxy handler given the option passed on the command
line. If an empty string is passed it looks at the HTTP_PROXY
environment variable. """
proxy = get_proxy(proxystr)
if proxy:
proxy_support = urllib2.ProxyHandler({"http": proxy, "ftp": proxy})
opener = urllib2.build_opener(proxy_support, urllib2.CacheFTPHandler)
urllib2.install_opener(opener)
def main(initial_args=None):
global logger
if initial_args is None:
initial_args = sys.argv[1:]
options, args = parser.parse_args(initial_args)
if args and args[-1] == '___VENV_RESTART___':
## FIXME: We don't do anything this this value yet:
venv_location = args[-2]
args = args[:-2]
options.venv = None
level = 1 # Notify
level += options.verbose
level -= options.quiet
level = Logger.level_for_integer(4-level)
complete_log = []
logger = Logger([(level, sys.stdout),
(Logger.DEBUG, complete_log.append)])
if options.venv:
if options.verbose > 0:
# The logger isn't setup yet
print 'Running in environment %s' % options.venv
restart_in_venv(options.venv, initial_args)
# restart_in_venv should actually never return, but for clarity...
return
## FIXME: not sure if this sure come before or after venv restart
if options.log:
log_fp = open_logfile_append(options.log)
logger.consumers.append((logger.DEBUG, log_fp))
else:
log_fp = None
socket.setdefaulttimeout(options.timeout or None)
setup_proxy_handler(options.proxy)
if options.bundle:
if not options.build_dir:
options.build_dir = backup_dir(base_prefix, '-bundle')
if not options.src_dir:
options.src_dir = backup_dir(base_src_prefix, '-bundle')
# We have to get everything when creating a bundle:
options.ignore_installed = True
logger.notify('Putting temporary build files in %s and source/develop files in %s'
% (display_path(options.build_dir), display_path(options.src_dir)))
if not options.build_dir:
options.build_dir = base_prefix
if not options.src_dir:
options.src_dir = base_src_prefix
options.build_dir = os.path.abspath(options.build_dir)
options.src_dir = os.path.abspath(options.src_dir)
install_options = options.install_options or []
try:
if options.freeze:
if options.requirements:
if len(options.requirements) > 1:
raise InstallationError(
"When using --freeze you can only provide one --requirement option")
requirement = options.requirements[0]
else:
requirement = None
write_freeze(
options.freeze,
requirement=requirement,
find_links=options.find_links)
return
index_urls = [options.index_url] + options.extra_index_urls
finder = PackageFinder(
find_links=options.find_links,
index_urls=index_urls)
requirement_set = RequirementSet(build_dir=options.build_dir,
src_dir=options.src_dir,
upgrade=options.upgrade,
ignore_installed=options.ignore_installed)
for name in args:
requirement_set.add_requirement(
InstallRequirement.from_line(name, None))
for name in options.editables:
requirement_set.add_requirement(
InstallRequirement.from_editable(name))
for filename in options.requirements:
for req in parse_requirements(filename, finder=finder):
requirement_set.add_requirement(req)
exit = 0
requirement_set.install_files(finder)
if not options.no_install and not options.bundle:
requirement_set.install(install_options)
logger.notify('Successfully installed %s' % requirement_set)
elif options.bundle:
requirement_set.create_bundle(options.bundle)
logger.notify('Created bundle in %s' % options.bundle)
else:
logger.notify('Successfully downloaded %s' % requirement_set)
except InstallationError, e:
logger.fatal(str(e))
logger.info('Exception information:\n%s' % format_exc())
exit = 1
except:
logger.fatal('Exception:\n%s' % format_exc())
exit = 2
if log_fp is not None:
log_fp.close()
if exit:
log_fn = './pyinstall-log.txt'
text = '\n'.join(complete_log)
logger.fatal('Storing complete log in %s' % log_fn)
log_fp = open_logfile_append(log_fn)
log_fp.write(text)
log_fp.close()
sys.exit(exit)
def format_exc(exc_info=None):
if exc_info is None:
exc_info = sys.exc_info()
out = StringIO()
traceback.print_exception(*exc_info, **dict(file=out))
return out.getvalue()
def restart_in_venv(venv, args):
"""
Restart this script using the interpreter in the given virtual environment
"""
venv = os.path.abspath(venv)
if not os.path.exists(venv):
try:
import virtualenv
except ImportError:
print 'The virtual environment does not exist: %s' % venv
print 'and virtualenv is not installed, so a new environment cannot be created'
sys.exit(3)
print 'Creating new virtualenv environment in %s' % venv
virtualenv.logger = logger
logger.indent += 2
## FIXME: always have no_site_packages?
virtualenv.create_environment(venv, site_packages=False)
if sys.platform == 'win32':
python = os.path.join(venv, 'Scripts', 'python')
else:
python = os.path.join(venv, 'bin', 'python')
if not os.path.exists(python):
python = venv
if not os.path.exists(python):
raise BadCommand('Cannot find virtual environment interpreter at %s' % python)
base = os.path.dirname(os.path.dirname(python))
os.execv(python, [python, __file__] + args + [base, '___VENV_RESTART___'])
class PackageFinder(object):
"""This finds packages.
This is meant to match easy_install's technique for looking for
packages, by reading pages and looking for appropriate links
"""
failure_limit = 3
def __init__(self, find_links, index_urls):
self.find_links = find_links
self.index_urls = index_urls
self.dependency_links = []
self.cache = PageCache()
def add_dependency_links(self, links):
## FIXME: this shouldn't be global list this, it should only
## apply to requirements of the package that specifies the
## dependency_links value
## FIXME: also, we should track comes_from (i.e., use Link)
self.dependency_links.extend(links)
def find_requirement(self, req, upgrade):
url_name = req.url_name
# Check that we have the url_name correctly spelled:
main_index_url = Link(posixpath.join(self.index_urls[0], url_name))
# This will also cache the page, so it's okay that we get it again later:
page = self._get_page(main_index_url, req)
if page is None:
url_name = self._find_url_name(Link(self.index_urls[0]), url_name, req)
if url_name is not None:
locations = [
posixpath.join(url, url_name)
for url in self.index_urls] + self.find_links
else:
locations = list(self.find_links)
locations.extend(self.dependency_links)
for version in req.absolute_versions:
locations = [
posixpath.join(url, url_name, version)] + locations
locations = [Link(url) for url in locations]
logger.debug('URLs to search for versions for %s:' % req)
for location in locations:
logger.debug('* %s' % location)
found_versions = []
for page in self._get_pages(locations, req):
logger.debug('Analyzing links from page %s' % page.url)
logger.indent += 2
try:
found_versions.extend(self._package_versions(page.links, req.name.lower()))
finally:
logger.indent -= 2
dependency_versions = list(self._package_versions([Link(url) for url in self.dependency_links], req.name.lower()))
if dependency_versions:
logger.info('dependency_links found: %s' % ', '.join([link.url for parsed, link, version in dependency_versions]))
found_versions.extend(dependency_versions)
if not found_versions:
logger.fatal('Could not find any downloads that satisfy the requirement %s' % req)
raise DistributionNotFound('No distributions at all found for %s' % req)
if req.satisfied_by is not None:
found_versions.append((req.satisfied_by.parsed_version, Inf, req.satisfied_by.version))
found_versions.sort(reverse=True)
applicable_versions = []
for (parsed_version, link, version) in found_versions:
if version not in req.req:
logger.info("Ignoring link %s, version %s doesn't match %s"
% (link, version, ','.join([''.join(s) for s in req.req.specs])))
continue
applicable_versions.append((link, version))
existing_applicable = bool([link for link, version in applicable_versions if link is Inf])
if not upgrade and existing_applicable:
if applicable_versions[0][1] is Inf:
logger.info('Existing installed version (%s) is most up-to-date and satisfies requirement'
% req.satisfied_by.version)
else:
logger.info('Existing installed version (%s) satisfies requirement (most up-to-date version is %s)'
% (req.satisfied_by.version, application_versions[0][2]))
return None
if not applicable_versions:
logger.fatal('Could not find a version that satisfies the requirement %s (from versions: %s)'
% (req, ', '.join([version for parsed_version, link, version in found_versions])))
raise DistributionNotFound('No distributions matching the version for %s' % req)
if applicable_versions[0][0] is Inf:
# We have an existing version, and its the best version
logger.info('Installed version (%s) is most up-to-date (past versions: %s)'
% (req.satisfied_by.version, ', '.join([version for link, version in applicable_versions[1:]]) or 'none'))
return None
if len(applicable_versions) > 1:
logger.info('Using version %s (newest of versions: %s)' %
(applicable_versions[0][1], ', '.join([version for link, version in applicable_versions])))
return applicable_versions[0][0]
def _find_url_name(self, index_url, url_name, req):
"""Finds the true URL name of a package, when the given name isn't quite correct.
This is usually used to implement case-insensitivity."""
if not index_url.url.endswith('/'):
# Vaguely part of the PyPI API... weird but true.
## FIXME: bad to modify this?
index_url.url += '/'
page = self._get_page(index_url, req)
if page is None:
logger.fatal('Cannot fetch index base URL %s' % index_url)
raise DistributionNotFound('Cannot find requirement %s, nor fetch index URL %s' % (req, index_url))
norm_name = normalize_name(req.url_name)
for link in page.links:
base = posixpath.basename(link.path.rstrip('/'))
if norm_name == normalize_name(base):
logger.notify('Real name of requirement %s is %s' % (url_name, base))
return base
return None
def _get_pages(self, locations, req):
"""Yields (page, page_url) from the given locations, skipping
locations that have errors, and adding download/homepage links"""
pending_queue = Queue()
for location in locations:
pending_queue.put(location)
done = []
seen = set()
threads = []
for i in range(min(10, len(locations))):
t = threading.Thread(target=self._get_queued_page, args=(req, pending_queue, done, seen))
t.setDaemon(True)
threads.append(t)
t.start()
for t in threads:
t.join()
return done
_log_lock = threading.Lock()
def _get_queued_page(self, req, pending_queue, done, seen):
while 1:
try:
location = pending_queue.get(False)
except QueueEmpty:
return
if location in seen:
continue
seen.add(location)
page = self._get_page(location, req)
if page is None:
continue
done.append(page)
for link in page.rel_links():
pending_queue.put(link)
_egg_fragment_re = re.compile(r'#egg=([^&]*)')
_egg_info_re = re.compile(r'([a-z0-9_.]+)-([a-z0-9_.-]+)', re.I)
_py_version_re = re.compile(r'-py([123]\.[0-9])$')
def _package_versions(self, links, search_name):
seen_links = {}
for link in links:
if link.url in seen_links:
continue
seen_links[link.url] = None
if link.egg_fragment:
egg_info = link.egg_fragment
else:
path = link.path
egg_info, ext = link.splitext()
if not ext:
logger.debug('Skipping link %s; not a file' % link)
continue
if egg_info.endswith('.tar'):
# Special double-extension case:
egg_info = egg_info[:-4]
ext = '.tar' + ext
if ext not in ('.tar.gz', '.tar.bz2', '.tar', '.tgz', '.zip'):
logger.debug('Skipping link %s; unknown archive format: %s' % (link, ext))
continue
version = self._egg_info_matches(egg_info, search_name, link)
if version is None:
logger.debug('Skipping link %s; wrong project name (not %s)' % (link, search_name))
continue
match = self._py_version_re.search(version)
if match:
version = version[:match.start()]
py_version = match.group(1)
if py_version != sys.version[:3]:
logger.debug('Skipping %s because Python version is incorrect' % link)
continue
logger.debug('Found link %s, version: %s' % (link, version))
yield (pkg_resources.parse_version(version),
link,
version)
def _egg_info_matches(self, egg_info, search_name, link):
match = self._egg_info_re.search(egg_info)
if not match:
logger.debug('Could not parse version from link: %s' % link)
return None
name = match.group(0).lower()
# To match the "safe" name that pkg_resources creates:
name = name.replace('_', '-')
if name.startswith(search_name.lower()):
return match.group(0)[len(search_name):].lstrip('-')
else:
return None
def _get_page(self, link, req):
return HTMLPage.get_page(link, req, cache=self.cache)
class InstallRequirement(object):
def __init__(self, req, comes_from, source_dir=None, editable=False,
url=None, update=True):
if isinstance(req, basestring):
req = pkg_resources.Requirement.parse(req)
self.req = req
self.comes_from = comes_from
self.source_dir = source_dir
self.editable = editable
if editable:
assert url, "You must give url with editable=True"
self.url = url
self._egg_info_path = None
# This holds the pkg_resources.Distribution object if this requirement
# is already available:
self.satisfied_by = None
self._temp_build_dir = None
self._is_bundle = None
# True if the editable should be updated:
self.update = update
@classmethod
def from_editable(cls, editable_req, comes_from=None):
name, url = parse_editable(editable_req)
return cls(name, comes_from, editable=True, url=url)
@classmethod
def from_line(cls, name, comes_from=None):
"""Creates an InstallRequirement from a name, which might be a
requirement, filename, or URL.
"""
url = None
req = name
if is_url(name):
url = name
## FIXME: I think getting the requirement here is a bad idea:
#req = get_requirement_from_url(url)
req = None
elif is_filename(name):
if not os.path.exists(name):
logger.warn('Requirement %r looks like a filename, but the file does not exist'
% name)
url = filename_to_url(name)
#req = get_requirement_from_url(url)
req = None
return cls(req, comes_from, url=url)
def __str__(self):
if self.req:
s = str(self.req)
if self.url:
s += ' from %s' % self.url
else:
s = self.url
if self.satisfied_by is not None:
s += ' in %s' % display_path(self.satisfied_by.location)
if self.editable:
if self.req:
s += ' checkout from %s' % self.url
if self.comes_from:
if isinstance(self.comes_from, basestring):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
s += ' (from %s)' % comes_from
return s
def from_path(self):
s = str(self.req)
if self.comes_from:
if isinstance(self.comes_from, basestring):
comes_from = self.comes_from
else:
comes_from = self.comes_from.from_path()
s += '->' + comes_from
return s
def build_location(self, build_dir):
if self._temp_build_dir is not None:
return self._temp_build_dir
if self.req is None:
self._temp_build_dir = tempfile.mkdtemp('-build', 'pyinstall-')
return self._temp_build_dir
if self.editable:
name = self.name.lower()
else:
name = self.name
return os.path.join(build_dir, name)
@property
def name(self):
if self.req is None:
return None
return self.req.project_name
@property
def url_name(self):
if self.req is None:
return None
return urllib.quote(self.req.unsafe_name)
@property
def setup_py(self):
return os.path.join(self.source_dir, 'setup.py')
def run_egg_info(self):
assert self.source_dir
if self.name:
logger.notify('Running setup.py egg_info for package %s' % self.name)
else:
logger.notify('Running setup.py egg_info for package from %s' % self.url)
logger.indent += 2
try:
script = self._run_setup_py
script = script.replace('__SETUP_PY__', repr(self.setup_py))
script = script.replace('__PKG_NAME__', repr(self.name))
# We can't put the .egg-info files at the root, because then the source code will be mistaken
# for an installed egg, causing problems
if self.editable:
egg_base_option = []
else:
egg_info_dir = os.path.join(self.source_dir, 'pyinstall-egg-info')
if not os.path.exists(egg_info_dir):
os.makedirs(egg_info_dir)
egg_base_option = ['--egg-base', 'pyinstall-egg-info']
call_subprocess(
[sys.executable, '-c', script, 'egg_info'] + egg_base_option,
cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False,
command_level=Logger.VERBOSE_DEBUG,
command_desc='python setup.py egg_info')
finally:
logger.indent -= 2
if not self.req:
self.req = pkg_resources.Requirement.parse(self.pkg_info()['Name'])
## FIXME: This is a lame hack, entirely for PasteScript which has
## a self-provided entry point that causes this awkwardness
_run_setup_py = """
__file__ = __SETUP_PY__
from setuptools.command import egg_info
def replacement_run(self):
self.mkpath(self.egg_info)
installer = self.distribution.fetch_build_egg
for ep in egg_info.iter_entry_points('egg_info.writers'):
# require=False is the change we're making:
writer = ep.load(require=False)
writer(self, ep.name, egg_info.os.path.join(self.egg_info,ep.name))
self.find_sources()
egg_info.egg_info.run = replacement_run
execfile(__file__)
"""
def egg_info_data(self, filename):
if self.satisfied_by is not None:
if not self.satisfied_by.has_metadata(filename):
return None
return self.satisfied_by.get_metadata(filename)
assert self.source_dir
filename = self.egg_info_path(filename)
if not os.path.exists(filename):
return None
fp = open(filename, 'r')
data = fp.read()
fp.close()
return data
def egg_info_path(self, filename):
if self._egg_info_path is None:
if self.editable:
base = self.source_dir
else:
base = os.path.join(self.source_dir, 'pyinstall-egg-info')
filenames = os.listdir(base)
if self.editable:
filenames = [f for f in filenames if f.endswith('.egg-info')]
assert len(filenames) == 1, "Unexpected files/directories in %s: %s" % (base, ' '.join(filenames))
self._egg_info_path = os.path.join(base, filenames[0])
return os.path.join(self._egg_info_path, filename)
def egg_info_lines(self, filename):
data = self.egg_info_data(filename)
if not data:
return []
result = []
for line in data.splitlines():
line = line.strip()
if not line or line.startswith('#'):
continue
result.append(line)
return result
def pkg_info(self):
p = FeedParser()
data = self.egg_info_data('PKG-INFO')
if not data:
logger.warn('No PKG-INFO file found in %s' % display_path(self.egg_info_path('PKG-INFO')))
p.feed(data or '')
return p.close()
@property
def dependency_links(self):
return self.egg_info_lines('dependency_links.txt')
_requirements_section_re = re.compile(r'\[(.*?)\]')
def requirements(self, extras=()):
in_extra = None
for line in self.egg_info_lines('requires.txt'):
match = self._requirements_section_re.match(line)
if match:
in_extra = match.group(1)
continue
if in_extra and in_extra not in extras:
# Skip requirement for an extra we aren't requiring
continue
yield line
@property
def absolute_versions(self):
for qualifier, version in self.req.specs:
if qualifier == '==':
yield version
@property
def installed_version(self):
return self.pkg_info()['version']
def assert_source_matches_version(self):
assert self.source_dir
if self.comes_from == 'command line':
# We don't check the versions of things explicitly installed.
# This makes, e.g., "pyinstall Package==dev" possible
return
version = self.installed_version
if version not in self.req:
logger.fatal(
'Source in %s has the version %s, which does not match the requirement %s'
% (display_path(self.source_dir), version, self))
raise InstallationError(
'Source in %s has version %s that conflicts with %s'
% (display_path(self.source_dir), version, self))
else:
logger.debug('Source in %s has version %s, which satisfies requirement %s'
% (display_path(self.source_dir), version, self))
def update_editable(self):
assert self.editable and self.url
assert self.source_dir
assert '+' in self.url, "bad url: %r" % self.url
if not self.update:
return
vc_type, url = self.url.split('+', 1)
vc_type = vc_type.lower()
if vc_type == 'svn':
self.checkout_svn()
else:
assert 0, (
'Unexpected version control type (in %s): %s'
% (self.url, vc_type))
def checkout_svn(self):
url = self.url.split('+', 1)[1]
url = url.split('#', 1)[0]
if '@' in url:
url, rev = url.split('@', 1)
else:
rev = None
if rev:
rev_options = ['-r', rev]
rev_display = ' (to revision %s)' % rev
else:
rev_options = []
rev_display = ''
dest = self.source_dir
checkout = True
if os.path.exists(os.path.join(self.source_dir, '.svn')):
existing_url = _get_svn_info(self.source_dir)[0]
checkout = False
if existing_url == url:
logger.info('Checkout in %s exists, and has correct URL (%s)'
% (display_path(self.source_dir), url))
logger.notify('Updating checkout %s%s' % (display_path(self.source_dir), rev_display))
call_subprocess(
['svn', 'update'] + rev_options + [self.source_dir])
else:
logger.warn('svn checkout in %s exists with URL %s' % (display_path(self.source_dir), existing_url))
logger.warn('The plan is to install the svn repository %s' % url)
response = ask('What to do? (s)witch, (i)gnore, (w)ipe, (b)ackup', ('s', 'i', 'w', 'b'))
if response == 's':
logger.notify('Switching checkout %s to %s%s'
% (display_path(self.source_dir), url, rev_display))
call_subprocess(
['svn', 'switch'] + rev_options + [url, self.source_dir])
elif response == 'i':
# do nothing
pass
elif response == 'w':
logger.warn('Deleting %s' % display_path(self.source_dir))
shutil.rmtree(self.source_dir)
checkout = True
elif response == 'b':
dest_dir = backup_dir(self.source_dir)
logger.warn('Backing up %s to %s' % display_path(self.source_dir, dest_dir))
shutil.move(self.source_dir, dest_dir)
checkout = True
if checkout:
logger.notify('Checking out %s%s to %s' % (url, rev_display, display_path(self.source_dir)))
call_subprocess(
['svn', 'checkout', '-q'] + rev_options + [url, self.source_dir])
def install(self, install_options):
if self.editable:
self.install_editable()
return
## FIXME: this is not a useful record:
## Also a bad location
## And not right on Windows
install_location = os.path.join(sys.prefix, 'lib', 'python%s' % sys.version[:3])
record_filename = os.path.join(install_location, 'install-record-%s.txt' % self.name)
## FIXME: I'm not sure if this is a reasonable location; probably not
## but we can't put it in the default location, as that is a virtualenv symlink that isn't writable
header_dir = os.path.join(os.path.dirname(os.path.dirname(self.source_dir)), 'lib', 'include')
logger.notify('Running setup.py install for %s' % self.name)
logger.indent += 2
try:
call_subprocess(
[sys.executable, '-c',
"import setuptools; __file__=%r; execfile(%r)" % (self.setup_py, self.setup_py),
'install', '--single-version-externally-managed', '--record', record_filename,
'--install-headers', header_dir] + install_options,
cwd=self.source_dir, filter_stdout=self._filter_install, show_stdout=False)
finally:
logger.indent -= 2
def remove_temporary_source(self):
"""Remove the source files from this requirement, if they are marked
for deletion"""
if self.is_bundle or os.path.exists(self.delete_marker_filename):
logger.info('Removing source in %s' % self.source_dir)
if self.source_dir:
shutil.rmtree(self.source_dir)
self.source_dir = None
if self._temp_build_dir and os.path.exists(self._temp_build_dir):
shutil.rmtree(self._temp_build_dir)
self._temp_build_dir = None
def install_editable(self):
logger.notify('Running setup.py develop for %s' % self.name)
logger.indent += 2
try:
## FIXME: should we do --install-headers here too?
call_subprocess(
[sys.executable, '-c',
"import setuptools; __file__=%r; execfile(%r)" % (self.setup_py, self.setup_py),
'develop', '--no-deps'], cwd=self.source_dir, filter_stdout=self._filter_install,
show_stdout=False)
finally:
logger.indent -= 2
def _filter_install(self, line):
level = Logger.NOTIFY
for regex in [r'^running .*', r'^writing .*', '^creating .*', '^[Cc]opying .*',
r'^reading .*', r"^removing .*\.egg-info' \(and everything under it\)$",
r'^byte-compiling ',
# Not sure what this warning is, but it seems harmless:
r"^warning: manifest_maker: standard file '-c' not found$"]:
if re.search(regex, line.strip()):
level = Logger.INFO
break
return (level, line)
def check_if_exists(self):
"""Checks if this requirement is satisfied by something already installed"""
if self.req is None:
return False
try:
dist = pkg_resources.get_distribution(self.req)
except pkg_resources.DistributionNotFound:
return False
self.satisfied_by = dist
return True
@property
def is_bundle(self):
if self._is_bundle is not None:
return self._is_bundle
base = self._temp_build_dir
if not base:
## FIXME: this doesn't seem right:
return False
self._is_bundle = os.path.exists(os.path.join(base, 'pyinstall-manifest.txt'))
return self._is_bundle
def bundle_requirements(self):
base = self._temp_build_dir
assert base
src_dir = os.path.join(base, 'src')
build_dir = os.path.join(base, 'build')
if os.path.exists(src_dir):
for package in os.listdir(src_dir):
## FIXME: svnism:
url = 'svn+' + _get_svn_info(os.path.join(src_dir, package))[0]
yield InstallRequirement(
package, self, editable=True, url=url,
update=False)
if os.path.exists(build_dir):
for package in os.listdir(build_dir):
yield InstallRequirement(
package, self)
def move_bundle_files(self, dest_build_dir, dest_src_dir):
base = self._temp_build_dir
assert base
src_dir = os.path.join(base, 'src')
build_dir = os.path.join(base, 'build')
for source_dir, dest_dir in [(src_dir, dest_src_dir),
(build_dir, dest_build_dir)]:
if os.path.exists(source_dir):
for dirname in os.listdir(source_dir):
dest = os.path.join(dest_dir, dirname)
if os.path.exists(dest):
logger.warn('The directory %s (containing package %s) already exists; cannot move source from bundle %s'
% (dest, dirname, self))
continue
if not os.path.exists(dest_dir):
logger.info('Creating directory %s' % dest_dir)
os.makedirs(dest_dir)
shutil.move(os.path.join(source_dir, dirname), dest)
@property
def delete_marker_filename(self):
assert self.source_dir
return os.path.join(self.source_dir, 'pyinstall-delete-this-directory.txt')
DELETE_MARKER_MESSAGE = '''\
This file is placed here by pyinstall to indicate the source was put
here by pyinstall.
Once this package is successfully installed this source code will be
deleted (unless you remove this file).
'''
class RequirementSet(object):
def __init__(self, build_dir, src_dir, upgrade=False, ignore_installed=False):
self.build_dir = build_dir
self.src_dir = src_dir
self.upgrade = upgrade
self.ignore_installed = ignore_installed
self.requirements = {}
# Mapping of alias: real_name
self.requirement_aliases = {}
self.unnamed_requirements = []
def __str__(self):
reqs = [req for req in self.requirements.values()
if not req.comes_from]
reqs.sort(key=lambda req: req.name.lower())
return ' '.join([str(req.req) for req in reqs])
def add_requirement(self, install_req):
name = install_req.name
if not name:
self.unnamed_requirements.append(install_req)
else:
if self.has_requirement(name):
raise InstallationError(
'Double requirement given: %s (aready in %s, name=%r)'
% (install_req, self.get_requirement(name), name))
self.requirements[name] = install_req
## FIXME: what about other normalizations? E.g., _ vs. -?
if name.lower() != name:
self.requirement_aliases[name.lower()] = name
def has_requirement(self, project_name):
for name in project_name, project_name.lower():
if name in self.requirements or name in self.requirement_aliases:
return True
return False
def get_requirement(self, project_name):
for name in project_name, project_name.lower():
if name in self.requirements:
return self.requirements[name]
if name in self.requirement_aliases:
return self.requirements[self.requirement_aliases[name]]
raise KeyError("No project with the name %r" % project_name)
def install_files(self, finder):
unnamed = list(self.unnamed_requirements)
reqs = self.requirements.values()
while reqs or unnamed:
if unnamed:
req_to_install = unnamed.pop(0)
else:
req_to_install = reqs.pop(0)
install = True
if not self.ignore_installed and not req_to_install.editable:
if req_to_install.check_if_exists():
if not self.upgrade:
# If we are upgrading, we still need to check the version
install = False
if req_to_install.satisfied_by is not None:
logger.notify('Requirement already satisfied: %s' % req_to_install)
elif req_to_install.editable:
logger.notify('Checking out %s' % req_to_install)
else:
if req_to_install.url and req_to_install.url.lower().startswith('file:'):
logger.notify('Unpacking %s' % display_path(url_to_filename(req_to_install.url)))
else:
logger.notify('Downloading/unpacking %s' % req_to_install)
logger.indent += 2
is_bundle = False
try:
if req_to_install.editable:
location = req_to_install.build_location(self.src_dir)
req_to_install.source_dir = location
req_to_install.update_editable()
req_to_install.run_egg_info()
elif install:
location = req_to_install.build_location(self.build_dir)
## FIXME: is the existance of the checkout good enough to use it? I'm don't think so.
unpack = True
if not os.path.exists(os.path.join(location, 'setup.py')):
## FIXME: this won't upgrade when there's an existing package unpacked in `location`
if req_to_install.url is None:
url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
else:
## FIXME: should req_to_install.url already be a link?
url = Link(req_to_install.url)
assert url
if url:
try:
self.unpack_url(url, location)
except urllib2.HTTPError, e:
logger.fatal('Could not install requirement %s because of error %s'
% (req_to_install, e))
raise InstallationError(
'Could not install requirement %s because of HTTP error %s for URL %s'
% (req_to_install, e, url))
else:
unpack = False
if unpack:
is_bundle = req_to_install.is_bundle
if is_bundle:
for subreq in req_to_install.bundle_requirements():
reqs.append(subreq)
self.add_requirement(subreq)
req_to_install.move_bundle_files(self.build_dir, self.src_dir)
else:
req_to_install.source_dir = location
req_to_install.run_egg_info()
req_to_install.assert_source_matches_version()
f = open(req_to_install.delete_marker_filename, 'w')
f.write(DELETE_MARKER_MESSAGE)
f.close()
if not is_bundle:
## FIXME: shouldn't be globally added:
finder.add_dependency_links(req_to_install.dependency_links)
## FIXME: add extras in here:
for req in req_to_install.requirements():
try:
name = pkg_resources.Requirement.parse(req).project_name
except ValueError, e:
## FIXME: proper warning
logger.error('Invalid requirement: %r (%s) in requirement %s' % (req, e, req_to_install))
continue
if self.has_requirement(name):
## FIXME: check for conflict
continue
subreq = InstallRequirement(req, req_to_install)
reqs.append(subreq)
self.add_requirement(subreq)
if req_to_install.name not in self.requirements:
self.requirements[req_to_install.name] = req_to_install
else:
req_to_install.remove_temporary_source()
finally:
logger.indent -= 2
def unpack_url(self, link, location):
if link.scheme == 'svn' or link.scheme == 'svn+ssh':
self.svn_checkout(link, location)
return
dir = tempfile.mkdtemp()
if link.url.lower().startswith('file:'):
source = url_to_filename(link.url)
content_type = mimetypes.guess_type(source)
self.unpack_file(source, location, content_type, link)
return
md5_hash = link.md5_hash
target_url = link.url.split('#', 1)[0]
target_file = None
if os.environ.get('PYINSTALL_DOWNLOAD_CACHE'):
target_file = os.path.join(os.environ['PYINSTALL_DOWNLOAD_CACHE'],
urllib.quote(target_url, ''))
if (target_file and os.path.exists(target_file)
and os.path.exists(target_file+'.content-type')):
fp = open(target_file+'.content-type')
content_type = fp.read().strip()
fp.close()
if md5_hash:
download_hash = md5()
fp = open(target_file, 'rb')
while 1:
chunk = fp.read(4096)
if not chunk:
break
download_hash.update(chunk)
fp.close()
temp_location = target_file
logger.notify('Using download cache from %s' % target_file)
else:
try:
resp = urllib2.urlopen(target_url)
except urllib2.HTTPError, e:
logger.fatal("HTTP error %s while getting %s" % (e.code, link))
raise
except IOError, e:
# Typically an FTP error
logger.fatal("Error %s while getting %s" % (e, link))
raise
content_type = resp.info()['content-type']
filename = link.filename
ext = splitext(filename)
if not ext:
ext = mimetypes.guess_extension(content_type)
filename += ext
temp_location = os.path.join(dir, filename)
fp = open(temp_location, 'wb')
if md5_hash:
download_hash = md5()
try:
total_length = int(resp.info()['content-length'])
except (ValueError, KeyError):
total_length = 0
downloaded = 0
show_progress = total_length > 40*1000 or not total_length
show_url = link.show_url
try:
if show_progress:
## FIXME: the URL can get really long in this message:
if total_length:
logger.start_progress('Downloading %s (%s): ' % (show_url, format_size(total_length)))
else:
logger.start_progress('Downloading %s (unknown size): ' % show_url)
else:
logger.notify('Downloading %s' % show_url)
logger.debug('Downloading from URL %s' % link)
while 1:
chunk = resp.read(4096)
if not chunk:
break
downloaded += len(chunk)
if show_progress:
if not total_length:
logger.show_progress('%s' % format_size(downloaded))
else:
logger.show_progress('%3i%% %s' % (100*downloaded/total_length, format_size(downloaded)))
if md5_hash:
download_hash.update(chunk)
fp.write(chunk)
fp.close()
finally:
if show_progress:
logger.end_progress('%s downloaded' % format_size(downloaded))
if md5_hash:
download_hash = download_hash.hexdigest()
if download_hash != md5_hash:
logger.fatal("MD5 hash of the package %s (%s) doesn't match the expected hash %s!"
% (link, download_hash, md5_hash))
raise InstallationError('Bad MD5 hash for package %s' % link)
self.unpack_file(temp_location, location, content_type, link)
if target_file and target_file != temp_location:
logger.notify('Storing download in cache at %s' % display_path(target_file))
shutil.copyfile(temp_location, target_file)
fp = open(target_file+'.content-type', 'w')
fp.write(content_type)
fp.close()
os.unlink(temp_location)
def unpack_file(self, filename, location, content_type, link):
if (content_type == 'application/zip'
or filename.endswith('.zip')
or filename.endswith('.pybundle')):
self.unzip_file(filename, location, flatten=not filename.endswith('.pybundle'))
elif (content_type == 'application/x-gzip'
or tarfile.is_tarfile(filename)
or splitext(filename)[1].lower() in ('.tar', '.tar.gz', '.tar.bz2', '.tgz')):
self.untar_file(filename, location)
elif (content_type.startswith('text/html')
and is_svn_page(file_contents(filename))):
# We don't really care about this
self.svn_checkout(link.url, location)
else:
## FIXME: handle?
## FIXME: magic signatures?
logger.fatal('Cannot unpack file %s (downloaded from %s, content-type: %s); cannot detect archive format'
% (filename, location, content_type))
raise InstallationError('Cannot determine archive format of %s' % location)
def unzip_file(self, filename, location, flatten=True):
"""Unzip the file (zip file located at filename) to the destination
location"""
if not os.path.exists(location):
os.makedirs(location)
zipfp = open(filename, 'rb')
try:
zip = zipfile.ZipFile(zipfp)
leading = has_leading_dir(zip.namelist()) and flatten
for name in zip.namelist():
data = zip.read(name)
fn = name
if leading:
fn = split_leading_dir(name)[1]
fn = os.path.join(location, fn)
dir = os.path.dirname(fn)
if not os.path.exists(dir):
os.makedirs(dir)
if fn.endswith('/'):
# A directory
if not os.path.exists(fn):
os.makedirs(fn)
else:
fp = open(fn, 'wb')
try:
fp.write(data)
finally:
fp.close()
finally:
zipfp.close()
def untar_file(self, filename, location):
"""Untar the file (tar file located at filename) to the destination location"""
if not os.path.exists(location):
os.makedirs(location)
if filename.lower().endswith('.gz') or filename.lower().endswith('.tgz'):
mode = 'r:gz'
elif filename.lower().endswith('.bz2'):
mode = 'r:bz2'
elif filename.lower().endswith('.tar'):
mode = 'r'
else:
logger.warn('Cannot determine compression type for file %s' % filename)
mode = 'r:*'
tar = tarfile.open(filename, mode)
try:
leading = has_leading_dir([member.name for member in tar.getmembers()])
for member in tar.getmembers():
fn = member.name
if leading:
fn = split_leading_dir(fn)[1]
path = os.path.join(location, fn)
if member.isdir():
if not os.path.exists(path):
os.makedirs(path)
else:
fp = tar.extractfile(member)
if not os.path.exists(os.path.dirname(path)):
os.makedirs(os.path.dirname(path))
destfp = open(path, 'wb')
try:
shutil.copyfileobj(fp, destfp)
finally:
destfp.close()
fp.close()
finally:
tar.close()
def svn_checkout(self, url, location):
"""Check out the svn repository at the url to the destination location"""
if '#' in url:
url = url.split('#', 1)[0]
logger.notify('Checking out svn repository %s to %s' % (url, location))
logger.indent += 2
try:
## FIXME: not sure that --force is good, but it is needed
## when installing directly (not via a requirement),
## because the destination directory already exists.
call_subprocess(['svn', 'checkout', '--force', url, location],
filter_stdout=self._filter_svn, show_stdout=False)
finally:
logger.indent -= 2
def _filter_svn(self, line):
return (Logger.INFO, line)
def install(self, install_options):
"""Install everything in this set (after having downloaded and unpacked the packages)"""
requirements = sorted(self.requirements.values(), key=lambda p: p.name.lower())
logger.notify('Installing collected packages: %s' % (', '.join([req.name for req in requirements])))
logger.indent += 2
try:
for requirement in self.requirements.values():
if requirement.satisfied_by is not None:
# Already installed
continue
requirement.install(install_options)
requirement.remove_temporary_source()
finally:
logger.indent -= 2
def create_bundle(self, bundle_filename):
## FIXME: can't decide which is better; zip is easier to read
## random files from, but tar.bz2 is smaller and not as lame a
## format.
## FIXME: this file should really include a manifest of the
## packages, maybe some other metadata files. It would make
## it easier to detect as well.
zip = zipfile.ZipFile(bundle_filename, 'w', zipfile.ZIP_DEFLATED)
svn_dirs = []
for dir, basename in (self.build_dir, 'build'), (self.src_dir, 'src'):
dir = os.path.normcase(os.path.abspath(dir))
for dirpath, dirnames, filenames in os.walk(dir):
svn_url = svn_rev = None
if '.svn' in dirnames:
for svn_dir in svn_dirs:
if dirpath.startswith(svn_dir):
# svn-checkout.txt already in parent directory
break
else:
svn_url, svn_rev = _get_svn_info(os.path.join(dir, dirpath))
svn_dirs.append(dirpath)
dirnames.remove('.svn')
for dirname in dirnames:
dirname = os.path.join(dirpath, dirname)
name = self._clean_zip_name(dirname, dir)
zip.writestr(basename + '/' + name + '/', '')
for filename in filenames:
filename = os.path.join(dirpath, filename)
name = self._clean_zip_name(filename, dir)
zip.write(filename, basename + '/' + name)
if svn_url:
name = os.path.join(dirpath, 'svn-checkout.txt')
name = self._clean_zip_name(name, dir)
zip.writestr(basename + '/' + name, self._svn_checkout_text(svn_url, svn_rev))
zip.writestr('pyinstall-manifest.txt', self.bundle_requirements())
zip.close()
# Unlike installation, this will always delete the build directories
logger.info('Removing temporary build dir %s and source dir %s'
% (self.build_dir, self.src_dir))
for dir in self.build_dir, self.src_dir:
if os.path.exists(dir):
shutil.rmtree(dir)
def _svn_checkout_text(self, svn_url, svn_rev):
return ('# This was an svn checkout; to make it a checkout again run:\n'
'svn checkout --force -r %s %s .\n' % (svn_rev, svn_url))
BUNDLE_HEADER = '''\
# This is a pyinstall bundle file, that contains many source packages
# that can be installed as a group. You can install this like:
# pyinstall this_file.zip
# The rest of the file contains a list of all the packages included:
'''
def bundle_requirements(self):
parts = [self.BUNDLE_HEADER]
for req in sorted(
[req for req in self.requirements.values()
if not req.comes_from],
key=lambda x: x.name):
parts.append('%s==%s\n' % (req.name, req.installed_version))
parts.append('# These packages were installed to satisfy the above requirements:\n')
for req in sorted(
[req for req in self.requirements.values()
if req.comes_from],
key=lambda x: x.name):
parts.append('%s==%s\n' % (req.name, req.installed_version))
## FIXME: should we do something with self.unnamed_requirements?
return ''.join(parts)
def _clean_zip_name(self, name, prefix):
assert name.startswith(prefix+'/'), (
"name %r doesn't start with prefix %r" % (name, prefix))
name = name[len(prefix)+1:]
name = name.replace(os.path.sep, '/')
return name
class HTMLPage(object):
"""Represents one page, along with its URL"""
## FIXME: these regexes are horrible hacks:
_homepage_re = re.compile(r'
\s*download\s+url', re.I)
## These aren't so aweful:
_rel_re = re.compile("""<[^>]*\srel\s*=\s*['"]?([^'">]+)[^>]*>""", re.I)
_href_re = re.compile('href=(?:"([^"]*)"|\'([^\']*)\'|([^>\\s\\n]*))', re.I|re.S)
def __init__(self, content, url, headers=None):
self.content = content
self.url = url
self.headers = headers
def __str__(self):
return self.url
@classmethod
def get_page(cls, link, req, cache=None, skip_archives=True):
url = link.url
url = url.split('#', 1)[0]
if cache.too_many_failures(url):
return None
if url.lower().startswith('svn'):
logger.debug('Cannot look at svn URL %s' % link)
return None
if cache is not None:
inst = cache.get_page(url)
if inst is not None:
return inst
try:
if skip_archives:
if cache is not None:
if cache.is_archive(url):
return None
filename = link.filename
for bad_ext in ['.tar', '.tar.gz', '.tar.bz2', '.tgz', '.zip']:
if filename.endswith(bad_ext):
content_type = cls._get_content_type(url)
if content_type.lower().startswith('text/html'):
break
else:
logger.debug('Skipping page %s because of Content-Type: %s' % (link, content_type))
if cache is not None:
cache.set_is_archive(url)
return None
logger.debug('Getting page %s' % url)
resp = urllib2.urlopen(url)
real_url = resp.geturl()
headers = resp.info()
inst = cls(resp.read(), real_url, headers)
except (urllib2.HTTPError, urllib2.URLError, socket.timeout, socket.error), e:
desc = str(e)
if isinstance(e, socket.timeout):
log_meth = logger.warn
level =1
desc = 'timed out'
elif isinstance(e, urllib2.URLError):
log_meth = logger.warn
if hasattr(e, 'reason') and isinstance(e.reason, socket.timeout):
desc = 'timed out'
level = 1
else:
level = 2
elif isinstance(e, urllib2.HTTPError) and e.code == 404:
## FIXME: notify?
log_meth = logger.info
level = 2
else:
log_meth = logger.warn
level = 1
log_meth('Could not fetch URL %s: %s' % (link, desc))
log_meth('Will skip URL %s when looking for download links for %s' % (link.url, req))
if cache is not None:
cache.add_page_failure(url, level)
return None
if cache is not None:
cache.add_page([url, real_url], inst)
return inst
@staticmethod
def _get_content_type(url):
"""Get the Content-Type of the given url, using a HEAD request"""
scheme, netloc, path, query, fragment = urlparse.urlsplit(url)
if scheme == 'http':
ConnClass = httplib.HTTPConnection
elif scheme == 'https':
ConnClass = httplib.HTTPSConnection
else:
## FIXME: some warning or something?
## assertion error?
return ''
if query:
path += '?' + query
conn = ConnClass(netloc)
try:
conn.request('HEAD', path, headers={'Host': netloc})
resp = conn.getresponse()
if resp.status != 200:
## FIXME: doesn't handle redirects
return ''
return resp.getheader('Content-Type') or ''
finally:
conn.close()
@property
def links(self):
"""Yields all links in the page"""
for match in self._href_re.finditer(self.content):
url = match.group(1) or match.group(2) or match.group(3)
yield Link(urlparse.urljoin(self.url, url), self)
def rel_links(self):
for url in self.explicit_rel_links():
yield url
for url in self.scraped_rel_links():
yield url
def explicit_rel_links(self, rels=('homepage', 'download')):
"""Yields all links with the given relations"""
for match in self._rel_re.finditer(self.content):
found_rels = match.group(1).lower().split()
for rel in rels:
if rel in found_rels:
break
else:
continue
match = self._href_re.search(match.group(0))
if not match:
continue
url = match.group(1) or match.group(2) or match.group(3)
yield Link(urlparse.urljoin(self.url, url), self)
def scraped_rel_links(self):
for regex in (self._homepage_re, self._download_re):
match = regex.search(self.content)
if not match:
continue
href_match = self._href_re.search(self.content, pos=match.end())
if not href_match:
continue
url = match.group(1) or match.group(2) or match.group(3)
if not url:
continue
url = urlparse.urljoin(self.url, url)
yield Link(url, self)
class PageCache(object):
"""Cache of HTML pages"""
failure_limit = 3
def __init__(self):
self._failures = {}
self._pages = {}
self._archives = {}
def too_many_failures(self, url):
return self._failures.get(url, 0) >= self.failure_limit
def get_page(self, url):
return self._pages.get(url)
def is_archive(self, url):
return self._archives.get(url, False)
def set_is_archive(self, url, value=True):
self._archives[url] = value
def add_page_failure(self, url, level):
self._failures[url] = self._failures.get(url, 0)+level
def add_page(self, urls, page):
for url in urls:
self._pages[url] = page
class Link(object):
def __init__(self, url, comes_from=None):
self.url = url
self.comes_from = comes_from
def __str__(self):
if self.comes_from:
return '%s (from %s)' % (self.url, self.comes_from)
else:
return self.url
def __repr__(self):
return '' % self
@property
def filename(self):
url = self.url
url = url.split('#', 1)[0]
url = url.split('?', 1)[0]
url = url.rstrip('/')
name = posixpath.basename(url)
assert name, (
'URL %r produced no filename' % url)
return name
@property
def scheme(self):
return urlparse.urlsplit(self.url)[0]
@property
def path(self):
return urlparse.urlsplit(self.url)[2]
def splitext(self):
return splitext(posixpath.basename(self.path.rstrip('/')))
_egg_fragment_re = re.compile(r'#egg=([^&]*)')
@property
def egg_fragment(self):
match = self._egg_fragment_re.search(self.url)
if not match:
return None
return match.group(1)
_md5_re = re.compile(r'md5=([a-f0-9]+)')
@property
def md5_hash(self):
match = self._md5_re.search(self.url)
if match:
return match.group(1)
return None
@property
def show_url(self):
return posixpath.basename(self.url.split('#', 1)[0].split('?', 1)[0])
############################################################
## Writing freeze files
def write_freeze(filename, requirement, find_links, find_tags=False):
if filename == '-':
logger.move_stdout_to_stderr()
dependency_links = []
if filename == '-':
f = sys.stdout
else:
## FIXME: should be possible to overwrite requirement file
logger.notify('Writing frozen requirements to %s' % filename)
f = open(filename, 'w')
for dist in pkg_resources.working_set:
if dist.has_metadata('dependency_links.txt'):
dependency_links.extend(dist.get_metadata_lines('dependency_links.txt'))
for link in find_links:
if '#egg=' in link:
dependency_links.append(link)
for link in find_links:
f.write('-f %s\n' % link)
installations = {}
for dist in pkg_resources.working_set:
if dist.key in ('setuptools', 'pyinstall', 'python'):
## FIXME: also skip virtualenv?
continue
req = FrozenRequirement.from_dist(dist, dependency_links, find_tags=find_tags)
installations[req.name] = req
if requirement:
req_f = open(requirement)
for line in req_f:
if not line or line.strip().startswith('#'):
f.write(line)
continue
elif line.startswith('-e') or line.startswith('--editable'):
if line.startswith('-e'):
line = line[2:].strip()
else:
line = line[len('--editable'):].strip().lstrip('=')
line_req = InstallRequirement.from_editable(line)
elif (line.startswith('-r') or line.startswith('--requirement')
or line.startswith('-Z') or line.startswith('--always-unzip')):
logger.debug('Skipping line %r' % line.strip())
continue
else:
line_req = InstallRequirement.from_line(line)
if not line_req.name:
logger.notify("Skipping line because it's not clear what it would install: %s"
% line.strip())
continue
if line_req.name not in installations:
logger.warn("Requirement file contains %s, but that package is not installed"
% line.strip())
continue
f.write(str(installations[line_req.name]))
del installations[line_req.name]
f.write('## The following requirements were added by pyinstall --freeze:\n')
for installation in sorted(installations.values(), key=lambda x: x.name):
f.write(str(installation))
if filename != '-':
logger.notify('Put requirements in %s' % filename)
f.close()
class FrozenRequirement(object):
def __init__(self, name, req, editable, comments=()):
self.name = name
self.req = req
self.editable = editable
self.comments = comments
_rev_re = re.compile(r'-r(\d+)$')
_date_re = re.compile(r'-(20\d\d\d\d\d\d)$')
@classmethod
def from_dist(cls, dist, dependency_links, find_tags=False):
location = os.path.normcase(os.path.abspath(dist.location))
comments = []
if os.path.exists(os.path.join(location, '.svn')):
editable = True
req = get_src_requirement(dist, location, find_tags)
if req is None:
logger.warn('Could not determine svn location of %s' % location)
comments.append('## !! Could not determine svn location')
req = dist.as_requirement()
editable = False
else:
editable = False
req = dist.as_requirement()
specs = req.specs
assert len(specs) == 1 and specs[0][0] == '=='
version = specs[0][1]
ver_match = cls._rev_re.search(version)
date_match = cls._date_re.search(version)
if ver_match or date_match:
svn_location = get_svn_location(dist, dependency_links)
if not svn_location:
logger.warn(
'Warning: cannot find svn location for %s' % req)
comments.append('## FIXME: could not find svn URL in dependency_links for this package:')
else:
comments.append('# Installing as editable to satisfy requirement %s:' % req)
if ver_match:
rev = ver_match.group(1)
else:
rev = '{%s}' % date_match.group(1)
editable = True
req = 'svn+%s@%s#egg=%s' % (svn_location, rev, cls.egg_name(dist))
return cls(dist.project_name, req, editable, comments)
@staticmethod
def egg_name(dist):
name = dist.egg_name()
match = re.search(r'-py\d\.\d$', name)
if match:
name = name[:match.start()]
return name
def __str__(self):
req = self.req
if self.editable:
req = '-e %s' % req
return '\n'.join(list(self.comments)+[str(req)])+'\n'
def get_svn_location(dist, dependency_links):
egg_fragment_re = re.compile(r'#egg=(.*)$')
for url in dependency_links:
egg_fragment = Link(url).egg_fragment
if not egg_fragment:
continue
if '-' in egg_fragment:
## FIXME: will this work when a package has - in the name?
key = '-'.join(egg_fragment.split('-')[:-1]).lower()
else:
key = egg_fragment
if key == dist.key:
return url.split('#', 1)[0]
return None
def get_src_requirement(dist, location, find_tags):
if not os.path.exists(os.path.join(location, '.svn')):
logger.warn('cannot determine version of editable source in %s (is not svn checkout)' % location)
return dist.as_requirement()
repo = get_svn_url(location)
if repo is None:
return None
parts = repo.split('/')
## FIXME: why not project name?
egg_project_name = dist.egg_name().split('-', 1)[0]
if parts[-2] in ('tags', 'tag'):
# It's a tag, perfect!
return 'svn+%s#egg=%s-%s' % (repo, egg_project_name, parts[-1])
elif parts[-2] in ('branches', 'branch'):
# It's a branch :(
rev = get_svn_revision(location)
return 'svn+%s@%s#egg=%s%s-r%s' % (repo, rev, dist.egg_name(), parts[-1], rev)
elif parts[-1] == 'trunk':
# Trunk :-/
rev = get_svn_revision(location)
if find_tags:
tag_url = '/'.join(parts[:-1]) + '/tags'
tag_revs = get_tag_revs(tag_url)
match = find_tag_match(rev, tag_revs)
if match:
logger.notify('trunk checkout %s seems to be equivalent to tag %s' % match)
return 'svn+%s/%s#egg=%s-%s' % (tag_url, match, egg_project_name, match)
return 'svn+%s@%s#egg=%s-dev' % (repo, rev, dist.egg_name())
else:
# Don't know what it is
logger.warn('svn URL does not fit normal structure (tags/branches/trunk): %s' % repo)
rev = get_svn_revision(location)
return '%s@%s#egg=%s-dev' % (repo, rev, egg_project_name)
_svn_url_re = re.compile('url="([^"]+)"')
_svn_rev_re = re.compile('committed-rev="(\d+)"')
def get_svn_revision(location):
"""
Return the maximum revision for all files under a given location
"""
# Note: taken from setuptools.command.egg_info
revision = 0
for base, dirs, files in os.walk(location):
if '.svn' not in dirs:
dirs[:] = []
continue # no sense walking uncontrolled subdirs
dirs.remove('.svn')
entries_fn = os.path.join(base, '.svn', 'entries')
if not os.path.exists(entries_fn):
## FIXME: should we warn?
continue
f = open(entries_fn)
data = f.read()
f.close()
if data.startswith('8') or data.startswith('9'):
data = map(str.splitlines,data.split('\n\x0c\n'))
del data[0][0] # get rid of the '8'
dirurl = data[0][3]
revs = [int(d[9]) for d in data if len(d)>9 and d[9]]+[0]
if revs:
localrev = max(revs)
else:
localrev = 0
elif data.startswith(' rev and
(best_match_rev is None or best_match_rev > tag_rev)):
# FIXME: Is best_match > tag_rev really possible?
# or is it a sign something is wacky?
best_match_rev = tag_rev
best_tag = tag
return best_tag
############################################################
## Requirement files
_scheme_re = re.compile(r'^(http|https|file):', re.I)
_drive_re = re.compile(r'/*([a-z])\|', re.I)
def get_file_content(url, comes_from=None):
"""Gets the content of a file; it may be a filename, file: URL, or
http: URL. Returns (location, content)"""
match = _scheme_re.search(url)
if match:
scheme = match.group(1).lower()
if (scheme == 'file' and comes_from
and comes_from.startswith('http')):
raise InstallationError(
'Requirements file %s references URL %s, which is local'
% (comes_from, url))
if scheme == 'file':
path = url.split(':', 1)[1]
path = path.replace('\\', '/')
match = _drive_re.match(path)
if match:
path = match.group(1) + ':' + path.split('|', 1)[1]
path = urllib.unquote(path)
if path.startswith('/'):
path = '/' + path.lstrip('/')
url = path
else:
## FIXME: catch some errors
resp = urllib2.urlopen(url)
return resp.geturl(), resp.read()
f = open(url)
content = f.read()
f.close()
return url, content
def parse_requirements(filename, finder, comes_from=None):
filename, content = get_file_content(filename, comes_from=comes_from)
for line_number, line in enumerate(content.splitlines()):
line_number += 1
line = line.strip()
if not line or line.startswith('#'):
continue
if line.startswith('-r') or line.startswith('--requirement'):
if line.startswith('-r'):
req_url = line[2:].strip()
else:
req_url = line[len('--requirement'):].strip().strip('=')
if _scheme_re.search(filename):
# Relative to a URL
req_url = urlparse.urljoin(filename, url)
elif not _scheme_re.search(req_url):
req_url = os.path.join(os.path.dirname(filename), req_url)
for item in parse_requirements(req_url, finder, comes_from=filename):
yield item
elif line.startswith('-Z') or line.startswith('--always-unzip'):
# No longer used, but previously these were used in
# requirement files, so we'll ignore.
pass
elif line.startswith('-f') or line.startswith('--find-links'):
if line.startswith('-f'):
line = line[2:].strip()
else:
line = line[len('--find-links'):].strip().lstrip('=')
## FIXME: it would be nice to keep track of the source of
## the find_links:
finder.find_links.append(line)
else:
comes_from = '-r %s (line %s)' % (filename, line_number)
if line.startswith('-e') or line.startswith('--editable'):
if line.startswith('-e'):
line = line[2:].strip()
else:
line = line[len('--editable'):].strip()
req = InstallRequirement.from_editable(
line, comes_from)
else:
req = InstallRequirement(line, comes_from)
yield req
############################################################
## Logging
class Logger(object):
"""
Logging object for use in command-line script. Allows ranges of
levels, to avoid some redundancy of displayed information.
"""
VERBOSE_DEBUG = logging.DEBUG-1
DEBUG = logging.DEBUG
INFO = logging.INFO
NOTIFY = (logging.INFO+logging.WARN)/2
WARN = WARNING = logging.WARN
ERROR = logging.ERROR
FATAL = logging.FATAL
LEVELS = [VERBOSE_DEBUG, DEBUG, INFO, NOTIFY, WARN, ERROR, FATAL]
def __init__(self, consumers):
self.consumers = consumers
self.indent = 0
self.in_progress = None
self.in_progress_hanging = False
def debug(self, msg, *args, **kw):
self.log(self.DEBUG, msg, *args, **kw)
def info(self, msg, *args, **kw):
self.log(self.INFO, msg, *args, **kw)
def notify(self, msg, *args, **kw):
self.log(self.NOTIFY, msg, *args, **kw)
def warn(self, msg, *args, **kw):
self.log(self.WARN, msg, *args, **kw)
def error(self, msg, *args, **kw):
self.log(self.WARN, msg, *args, **kw)
def fatal(self, msg, *args, **kw):
self.log(self.FATAL, msg, *args, **kw)
def log(self, level, msg, *args, **kw):
if args:
if kw:
raise TypeError(
"You may give positional or keyword arguments, not both")
args = args or kw
rendered = None
for consumer_level, consumer in self.consumers:
if self.level_matches(level, consumer_level):
if (self.in_progress_hanging
and consumer in (sys.stdout, sys.stderr)):
self.in_progress_hanging = False
sys.stdout.write('\n')
sys.stdout.flush()
if rendered is None:
if args:
rendered = msg % args
else:
rendered = msg
rendered = ' '*self.indent + rendered
if hasattr(consumer, 'write'):
consumer.write(rendered+'\n')
else:
consumer(rendered)
def start_progress(self, msg):
assert not self.in_progress, (
"Tried to start_progress(%r) while in_progress %r"
% (msg, self.in_progress))
if self.level_matches(self.NOTIFY, self._stdout_level()):
sys.stdout.write(' '*self.indent + msg)
sys.stdout.flush()
self.in_progress_hanging = True
else:
self.in_progress_hanging = False
self.in_progress = msg
self.last_message = None
def end_progress(self, msg='done.'):
assert self.in_progress, (
"Tried to end_progress without start_progress")
if self.stdout_level_matches(self.NOTIFY):
if not self.in_progress_hanging:
# Some message has been printed out since start_progress
sys.stdout.write('...' + self.in_progress + msg + '\n')
sys.stdout.flush()
else:
# These erase any messages shown with show_progress (besides .'s)
logger.show_progress('')
logger.show_progress('')
sys.stdout.write(msg + '\n')
sys.stdout.flush()
self.in_progress = None
self.in_progress_hanging = False
def show_progress(self, message=None):
"""If we are in a progress scope, and no log messages have been
shown, write out another '.'"""
if self.in_progress_hanging:
if message is None:
sys.stdout.write('.')
sys.stdout.flush()
else:
if self.last_message:
padding = ' ' * max(0, len(self.last_message)-len(message))
else:
padding = ''
sys.stdout.write('\r%s%s%s%s' % (' '*self.indent, self.in_progress, message, padding))
sys.stdout.flush()
self.last_message = message
def stdout_level_matches(self, level):
"""Returns true if a message at this level will go to stdout"""
return self.level_matches(level, self._stdout_level())
def _stdout_level(self):
"""Returns the level that stdout runs at"""
for level, consumer in self.consumers:
if consumer is sys.stdout:
return level
return self.FATAL
def level_matches(self, level, consumer_level):
"""
>>> l = Logger()
>>> l.level_matches(3, 4)
False
>>> l.level_matches(3, 2)
True
>>> l.level_matches(slice(None, 3), 3)
False
>>> l.level_matches(slice(None, 3), 2)
True
>>> l.level_matches(slice(1, 3), 1)
True
>>> l.level_matches(slice(2, 3), 1)
False
"""
if isinstance(level, slice):
start, stop = level.start, level.stop
if start is not None and start > consumer_level:
return False
if stop is not None or stop <= consumer_level:
return False
return True
else:
return level >= consumer_level
@classmethod
def level_for_integer(cls, level):
levels = cls.LEVELS
if level < 0:
return levels[0]
if level >= len(levels):
return levels[-1]
return levels[level]
def move_stdout_to_stderr(self):
to_remove = []
to_add = []
for consumer_level, consumer in self.consumers:
if consumer == sys.stdout:
to_remove.append((consumer_level, consumer))
to_add.append((consumer_level, sys.stderr))
for item in to_remove:
self.consumers.remove(item)
self.consumers.extend(to_add)
def call_subprocess(cmd, show_stdout=True,
filter_stdout=None, cwd=None,
raise_on_returncode=True,
command_level=Logger.DEBUG, command_desc=None,
extra_environ=None):
if command_desc is None:
cmd_parts = []
for part in cmd:
if ' ' in part or '\n' in part or '"' in part or "'" in part:
part = '"%s"' % part.replace('"', '\\"')
cmd_parts.append(part)
command_desc = ' '.join(cmd_parts)
if show_stdout:
stdout = None
else:
stdout = subprocess.PIPE
logger.log(command_level, "Running command %s" % command_desc)
env = os.environ.copy()
if extra_environ:
env.update(extra_environ)
try:
proc = subprocess.Popen(
cmd, stderr=subprocess.STDOUT, stdin=None, stdout=stdout,
cwd=cwd, env=env)
except Exception, e:
logger.fatal(
"Error %s while executing command %s" % (e, command_desc))
raise
all_output = []
if stdout is not None:
stdout = proc.stdout
while 1:
line = stdout.readline()
if not line:
break
line = line.rstrip()
all_output.append(line + '\n')
if filter_stdout:
level = filter_stdout(line)
if isinstance(level, tuple):
level, line = level
logger.log(level, line)
if not logger.stdout_level_matches(level):
logger.show_progress()
else:
logger.info(line)
else:
returned_stdout, returned_stderr = proc.communicate()
all_output = [returned_stdout or '']
proc.wait()
if proc.returncode:
if raise_on_returncode:
if all_output:
logger.notify('Complete output from command %s:' % command_desc)
logger.notify('\n'.join(all_output) + '\n----------------------------------------')
raise InstallationError(
"Command %s failed with error code %s"
% (command_desc, proc.returncode))
else:
logger.warn(
"Command %s had error code %s"
% (command_desc, proc.returncode))
if stdout is not None:
return ''.join(all_output)
_svn_url_re = re.compile(r'URL: (.+)')
_svn_revision_re = re.compile(r'Revision: (.+)')
def _get_svn_info(dir):
"""Returns (url, revision), where both are strings"""
assert not dir.rstrip('/').endswith('.svn'), 'Bad directory: %s' % dir
output = call_subprocess(['svn', 'info', dir], show_stdout=False,
extra_environ={'LANG': 'C'})
match = _svn_url_re.search(output)
if not match:
logger.warn('Cannot determine URL of svn checkout %s' % display_path(dir))
logger.info('Output that cannot be parsed: \n%s' % output)
return 'unknown', 'unknown'
url = match.group(1).strip()
match = _svn_revision_re.search(output)
if not match:
logger.warn('Cannot determine revision of svn checkout %s' % display_path(dir))
logger.info('Output that cannot be parsed: \n%s' % output)
return url, 'unknown'
return url, match.group(1)
############################################################
## Utility functions
def is_svn_page(html):
"""Returns true if the page appears to be the index page of an svn repository"""
return (re.search(r'[^<]*Revision \d+:', html)
and re.search(r'Powered by (?:<a[^>]*?>)?Subversion', html, re.I))
def file_contents(filename):
fp = open(filename, 'rb')
try:
return fp.read()
finally:
fp.close()
def split_leading_dir(path):
path = str(path)
path = path.lstrip('/').lstrip('\\')
if '/' in path and (('\\' in path and path.find('/') < path.find('\\'))
or '\\' not in path):
return path.split('/', 1)
elif '\\' in path:
return path.split('\\', 1)
else:
return path, ''
def has_leading_dir(paths):
"""Returns true if all the paths have the same leading path name
(i.e., everything is in one subdirectory in an archive)"""
common_prefix = None
for path in paths:
prefix, rest = split_leading_dir(path)
if not prefix:
return False
elif common_prefix is None:
common_prefix = prefix
elif prefix != common_prefix:
return False
return True
def format_size(bytes):
if bytes > 1000*1000:
return '%.1fMb' % (bytes/1000.0/1000)
elif bytes > 10*1000:
return '%iKb' % (bytes/1000)
elif bytes > 1000:
return '%.1fKb' % (bytes/1000.0)
else:
return '%ibytes' % bytes
_normalize_re = re.compile(r'[^a-z]', re.I)
def normalize_name(name):
return _normalize_re.sub('-', name.lower())
def display_path(path):
"""Gives the display value for a given path, making it relative to cwd
if possible."""
path = os.path.normcase(os.path.abspath(path))
if path.startswith(os.getcwd() + os.path.sep):
path = '.' + path[len(os.getcwd()):]
return path
def parse_editable(editable_req):
"""Parses svn+http://blahblah@rev#egg=Foobar into a requirement
(Foobar) and a URL"""
match = re.search(r'(?:#|#.*?&)egg=([^&]*)', editable_req)
if not match or not match.group(1):
raise InstallationError(
'--editable=%s is not the right format; it must have #egg=Package'
% editable_req)
req = match.group(1)
## FIXME: use package_to_requirement?
match = re.search(r'^(.*?)(?:-dev|-\d.*)', req)
if match:
# Strip off -dev, -0.2, etc.
req = match.group(1)
url = editable_req
if url.lower().startswith('svn:'):
url = 'svn+' + url
if '+' not in url:
raise InstallationError(
'--editable=%s should be formatted with svn+URL' % editable_req)
vc_type = url.split('+', 1)[0].lower()
if vc_type != 'svn':
raise InstallationError(
'For --editable=%s only svn (svn+URL) is currently supported' % editable_req)
return req, url
def backup_dir(dir, ext='.bak'):
"""Figure out the name of a directory to back up the given dir to
(adding .bak, .bak2, etc)"""
n = 1
extension = ext
while os.path.exists(dir + extension):
n += 1
extension = ext + str(n)
return dir + extension
def ask(message, options):
"""Ask the message interactively, with the given possible responses"""
while 1:
response = raw_input(message)
response = response.strip().lower()
if response not in options:
print 'Your response (%r) was not one of the expected responses: %s' % (
response, ', '.join(options))
else:
return response
def open_logfile_append(filename):
"""Open the named log file in append mode.
If the file already exists, a separator will also be printed to
the file to separate past activity from current activity.
"""
exists = os.path.exists(filename)
log_fp = open(filename, 'a')
if exists:
print >> log_fp, '-'*60
print >> log_fp, '%s run on %s' % (sys.argv[0], time.strftime('%c'))
return log_fp
def is_url(name):
"""Returns true if the name looks like a URL"""
if ':' not in name:
return False
scheme = name.split(':', 1)[0].lower()
return scheme in ('http', 'https', 'file', 'ftp')
def is_filename(name):
if (splitext(name)[1].lower() in ('.zip', '.tar.gz', '.tar.bz2', '.tgz', '.tar', '.pybundle')
and os.path.exists(name)):
return True
if os.path.sep not in name and '/' not in name:
# Doesn't have any path components, probably a requirement like 'Foo'
return False
return True
_drive_re = re.compile('^([a-z]):', re.I)
_url_drive_re = re.compile('^([a-z])[|]', re.I)
def filename_to_url(filename):
"""
Convert a path to a file: URL. The path will be made absolute.
"""
filename = os.path.normcase(os.path.abspath(filename))
url = urllib.quote(filename)
if _drive_re.match(url):
url = url[0] + '|' + url[2:]
url = url.replace(os.path.sep, '/')
url = url.lstrip('/')
return 'file:///' + url
def url_to_filename(url):
"""
Convert a file: URL to a path.
"""
assert url.startswith('file:'), (
"You can only turn file: urls into filenames (not %r)" % url)
filename = url[len('file:'):].lstrip('/')
filename = urllib.unquote(filename)
if _url_drive_re.match(filename):
filename = filename[0] + ':' + filename[2:]
else:
filename = '/' + filename
return filename
def get_requirement_from_url(url):
"""Get a requirement from the URL, if possible. This looks for #egg
in the URL"""
link = Link(url)
egg_info = link.egg_fragment
if not egg_info:
egg_info = splitext(link.filename)[0]
return package_to_requirement(egg_info)
def package_to_requirement(package_name):
"""Translate a name like Foo-1.2 to Foo==1.3"""
match = re.search(r'^(.*?)(-dev|-\d.*)', package_name)
if match:
name = match.group(1)
version = match.group(2)
else:
name = package_name
version = ''
if version:
return '%s==%s' % (name, version)
else:
return name
def splitext(path):
"""Like os.path.splitext, but take off .tar too"""
base, ext = posixpath.splitext(path)
if base.lower().endswith('.tar'):
ext = base[-4:] + ext
base = base[:-4]
return base, ext
class _Inf(object):
"""I am bigger than everything!"""
def __cmp__(self, a):
if self is a:
return 0
return 1
def __repr__(self):
return 'Inf'
Inf = _Inf()
del _Inf
if __name__ == '__main__':
main()