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authorrlacko <backup.rlacko@gmail.com>2014-05-05 14:13:36 +0200
committerrlacko <backup.rlacko@gmail.com>2014-05-05 14:13:36 +0200
commit3817ad5f7fbed607aff1dab2b583dd2488220d03 (patch)
tree27648997550b4c44d82456822d54f90d44ce9cfb /ez_setup.py
parentf49315ac21689c57209f1d5fcfa0eff61fb72237 (diff)
Update setuptools bootstrap script to latest version
Diffstat (limited to 'ez_setup.py')
-rw-r--r--ez_setup.py153
1 files changed, 62 insertions, 91 deletions
diff --git a/ez_setup.py b/ez_setup.py
index 2aa994b3..23ea9a2b 100644
--- a/ez_setup.py
+++ b/ez_setup.py
@@ -1,4 +1,4 @@
-#!python
+#!/usr/bin/env python
"""Bootstrap setuptools installation
To use setuptools in your package's setup.py, include this
@@ -17,11 +17,12 @@ import os
import shutil
import sys
import tempfile
-import tarfile
+import zipfile
import optparse
import subprocess
import platform
import textwrap
+import contextlib
from distutils import log
@@ -30,29 +31,19 @@ try:
except ImportError:
USER_SITE = None
-DEFAULT_VERSION = "2.0"
+DEFAULT_VERSION = "3.5.1"
DEFAULT_URL = "https://pypi.python.org/packages/source/s/setuptools/"
def _python_cmd(*args):
+ """
+ Return True if the command succeeded.
+ """
args = (sys.executable,) + args
return subprocess.call(args) == 0
-def _install(tarball, install_args=()):
- # extracting the tarball
- tmpdir = tempfile.mkdtemp()
- log.warn('Extracting in %s', tmpdir)
- old_wd = os.getcwd()
- try:
- os.chdir(tmpdir)
- tar = tarfile.open(tarball)
- _extractall(tar)
- tar.close()
-
- # going in the directory
- subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
- os.chdir(subdir)
- log.warn('Now working in %s', subdir)
+def _install(archive_filename, install_args=()):
+ with archive_context(archive_filename):
# installing
log.warn('Installing Setuptools')
if not _python_cmd('setup.py', 'install', *install_args):
@@ -60,47 +51,61 @@ def _install(tarball, install_args=()):
log.warn('See the error message above.')
# exitcode will be 2
return 2
- finally:
- os.chdir(old_wd)
- shutil.rmtree(tmpdir)
-def _build_egg(egg, tarball, to_dir):
- # extracting the tarball
+def _build_egg(egg, archive_filename, to_dir):
+ with archive_context(archive_filename):
+ # building an egg
+ log.warn('Building a Setuptools egg in %s', to_dir)
+ _python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)
+ # returning the result
+ log.warn(egg)
+ if not os.path.exists(egg):
+ raise IOError('Could not build the egg.')
+
+
+def get_zip_class():
+ """
+ Supplement ZipFile class to support context manager for Python 2.6
+ """
+ class ContextualZipFile(zipfile.ZipFile):
+ def __enter__(self):
+ return self
+ def __exit__(self, type, value, traceback):
+ self.close
+ return zipfile.ZipFile if hasattr(zipfile.ZipFile, '__exit__') else \
+ ContextualZipFile
+
+
+@contextlib.contextmanager
+def archive_context(filename):
+ # extracting the archive
tmpdir = tempfile.mkdtemp()
log.warn('Extracting in %s', tmpdir)
old_wd = os.getcwd()
try:
os.chdir(tmpdir)
- tar = tarfile.open(tarball)
- _extractall(tar)
- tar.close()
+ with get_zip_class()(filename) as archive:
+ archive.extractall()
# going in the directory
subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
os.chdir(subdir)
log.warn('Now working in %s', subdir)
-
- # building an egg
- log.warn('Building a Setuptools egg in %s', to_dir)
- _python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)
+ yield
finally:
os.chdir(old_wd)
shutil.rmtree(tmpdir)
- # returning the result
- log.warn(egg)
- if not os.path.exists(egg):
- raise IOError('Could not build the egg.')
def _do_download(version, download_base, to_dir, download_delay):
egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
% (version, sys.version_info[0], sys.version_info[1]))
if not os.path.exists(egg):
- tarball = download_setuptools(version, download_base,
+ archive = download_setuptools(version, download_base,
to_dir, download_delay)
- _build_egg(egg, tarball, to_dir)
+ _build_egg(egg, archive, to_dir)
sys.path.insert(0, egg)
# Remove previously-imported pkg_resources if present (see
@@ -113,7 +118,7 @@ def _do_download(version, download_base, to_dir, download_delay):
def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
- to_dir=os.curdir, download_delay=15):
+ to_dir=os.curdir, download_delay=15):
to_dir = os.path.abspath(to_dir)
rep_modules = 'pkg_resources', 'setuptools'
imported = set(sys.modules).intersection(rep_modules)
@@ -176,7 +181,7 @@ def has_powershell():
try:
try:
subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
- except:
+ except Exception:
return False
finally:
devnull.close()
@@ -194,7 +199,7 @@ def has_curl():
try:
try:
subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
- except:
+ except Exception:
return False
finally:
devnull.close()
@@ -212,7 +217,7 @@ def has_wget():
try:
try:
subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
- except:
+ except Exception:
return False
finally:
devnull.close()
@@ -258,9 +263,9 @@ def get_best_downloader():
return dl
def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
- to_dir=os.curdir, delay=15,
- downloader_factory=get_best_downloader):
- """Download setuptools from a specified location and return its filename
+ to_dir=os.curdir, delay=15, downloader_factory=get_best_downloader):
+ """
+ Download setuptools from a specified location and return its filename
`version` should be a valid setuptools version number that is available
as an egg for download under the `download_base` URL (which should end
@@ -273,56 +278,15 @@ def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
"""
# making sure we use the absolute path
to_dir = os.path.abspath(to_dir)
- tgz_name = "setuptools-%s.tar.gz" % version
- url = download_base + tgz_name
- saveto = os.path.join(to_dir, tgz_name)
+ zip_name = "setuptools-%s.zip" % version
+ url = download_base + zip_name
+ saveto = os.path.join(to_dir, zip_name)
if not os.path.exists(saveto): # Avoid repeated downloads
log.warn("Downloading %s", url)
downloader = downloader_factory()
downloader(url, saveto)
return os.path.realpath(saveto)
-
-def _extractall(self, path=".", members=None):
- """Extract all members from the archive to the current working
- directory and set owner, modification time and permissions on
- directories afterwards. `path' specifies a different directory
- to extract to. `members' is optional and must be a subset of the
- list returned by getmembers().
- """
- import copy
- import operator
- from tarfile import ExtractError
- directories = []
-
- if members is None:
- members = self
-
- for tarinfo in members:
- if tarinfo.isdir():
- # Extract directories with a safe mode.
- directories.append(tarinfo)
- tarinfo = copy.copy(tarinfo)
- tarinfo.mode = 448 # decimal for oct 0700
- self.extract(tarinfo, path)
-
- # Reverse sort directories.
- directories.sort(key=operator.attrgetter('name'), reverse=True)
-
- # Set correct owner, mtime and filemode on directories.
- for tarinfo in directories:
- dirpath = os.path.join(path, tarinfo.name)
- try:
- self.chown(tarinfo, dirpath)
- self.utime(tarinfo, dirpath)
- self.chmod(tarinfo, dirpath)
- except ExtractError as e:
- if self.errorlevel > 1:
- raise
- else:
- self._dbg(1, "tarfile: %s" % e)
-
-
def _build_install_args(options):
"""
Build the arguments to 'python setup.py install' on the setuptools package
@@ -346,16 +310,23 @@ def _parse_args():
const=lambda: download_file_insecure, default=get_best_downloader,
help='Use internal, non-validating downloader'
)
+ parser.add_option(
+ '--version', help="Specify which version to download",
+ default=DEFAULT_VERSION,
+ )
options, args = parser.parse_args()
# positional arguments are ignored
return options
-def main(version=DEFAULT_VERSION):
+def main():
"""Install or upgrade setuptools and EasyInstall"""
options = _parse_args()
- tarball = download_setuptools(download_base=options.download_base,
- downloader_factory=options.downloader_factory)
- return _install(tarball, _build_install_args(options))
+ archive = download_setuptools(
+ version=options.version,
+ download_base=options.download_base,
+ downloader_factory=options.downloader_factory,
+ )
+ return _install(archive, _build_install_args(options))
if __name__ == '__main__':
sys.exit(main())