54d8db1e4d
Implements: blueprint robust-dependencies Fixes: bug #1157871 Fixes: bug #1184016 Fixes: bug #1184017 Change-Id: I4d1e6d4b1b32473182259d60b1db6918cba889e9
469 lines
14 KiB
Python
Executable File
469 lines
14 KiB
Python
Executable File
#!/usr/bin/python
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import argparse
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import distutils.spawn
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import logging
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import re
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import os
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import os.path
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import shutil
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import subprocess
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import sys
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import tempfile
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import pip.util
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import pkg_resources
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class InstallationError(Exception):
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pass
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logger = logging.getLogger()
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package_map = {
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"django": "Django",
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"distribute": "python-setuptools",
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"pam": "python-pam",
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"pycrypto": "python-crypto",
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}
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package_names = {}
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arch_dependent = [
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"selenium",
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]
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epoch_map = {}
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def package_name_python2rpm(python_name):
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python_name = python_name.lower()
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try:
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return package_map[python_name]
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except:
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pass
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python_name = python_name.replace("_", "-").replace(".", "-")
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if python_name.startswith("python-"):
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prefixed_name = python_name
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else:
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prefixed_name = "python-%s" % python_name
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try:
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return package_names[prefixed_name]
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except:
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pass
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try:
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return package_names[python_name]
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except:
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pass
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return prefixed_name
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setup_py = "setup.py"
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def egg_info_path(source_dir, filename):
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base = os.path.join(source_dir, "pip-egg-info")
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filenames = os.listdir(base)
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if not filenames:
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raise InstallationError("No files/directories in %s (from %s)"
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% (base, filename))
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# if we have more than one match, we pick the toplevel one.
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if len(filenames) > 1:
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filenames.sort(key=lambda x: x.count(os.path.sep) +
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(os.path.altsep and
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x.count(os.path.altsep) or 0))
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return os.path.join(base, filenames[0], filename)
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def egg_info_lines(source_dir, filename):
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filename = egg_info_path(source_dir, filename)
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if not os.path.exists(filename):
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return []
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with open(filename, "r") as f:
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return f.readlines()
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_requirements_section_re = re.compile(r'\[(.*?)\]')
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def egg_info_requirements(source_dir, extras=()):
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in_extra = None
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for line in egg_info_lines(source_dir, 'requires.txt'):
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match = _requirements_section_re.match(line.lower())
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if match:
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in_extra = match.group(1)
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continue
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if in_extra and in_extra not in extras:
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# Skip requirement for an extra we aren't requiring
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continue
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yield line
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def setup_py_one_line(source_dir, command):
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"""Run `python setup.py $command` and return the last line.
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python ldap is so clever that is prints extra stuff
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before package name or version. Lets return the last line
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"""
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return call_subprocess(
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[sys.executable, setup_py, command],
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cwd=source_dir, show_stdout=False)[0].splitlines()[-1].strip()
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def create_parser():
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parser = argparse.ArgumentParser()
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rpm_base = os.path.expanduser("~/rpmbuild")
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source_dir = os.getcwd()
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rpmbuild_executable = (distutils.spawn.find_executable("rpmbuild") or
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distutils.spawn.find_executable("rpm"))
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parser.add_argument(
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"--pip-verbose", "-f",
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action="store_true",
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default=False,
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help="Show pip stdout")
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parser.add_argument(
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"--debug", "-d",
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action="store_true",
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default=False,
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help="Print debug information")
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parser.add_argument(
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"--source-only", "-s",
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action="store_true",
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default=False,
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help="Only generate source RPM")
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parser.add_argument(
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"--rpm-base",
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metavar="<dir>",
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default=rpm_base,
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help="rpmbuild directory (default: %s)" % rpm_base)
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parser.add_argument(
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"--rpmbuild",
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metavar="<dir>",
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default=rpmbuild_executable,
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help="rpmbuild executable (default: %s)" % rpmbuild_executable)
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parser.add_argument(
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"--convert", "-c",
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dest="convert",
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metavar="<name>",
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nargs="+",
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default=[],
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help="Python requirement name to be converted to RPM package names")
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parser.add_argument(
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dest="sources",
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metavar="<dir or archive>",
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nargs="*",
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default=[source_dir],
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help="Source directories of packages (default: current directory)")
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parser.add_argument(
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"--install-script",
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metavar="<filename>",
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default=None,
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help="Specify a script for the INSTALL phase of RPM building")
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parser.add_argument(
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"--arch-dependent", "-a",
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metavar="<Python package name>",
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nargs="+",
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default=arch_dependent,
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help="Known architecture dependent packages")
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parser.add_argument(
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"--epoch", "-e",
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metavar="<number>",
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type=int,
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default=None,
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help="RPM epoch for generated packages")
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parser.add_argument(
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"--epoch-list", "-l",
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metavar="<Python package name == epoch number>",
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nargs="+",
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default=[],
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help="Forced RPM epochs for packages")
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return parser
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def call_subprocess(cmd, cwd=None, show_stdout=True, raise_on_returncode=True):
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if show_stdout:
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stdout = None
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else:
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stdout = subprocess.PIPE
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proc = subprocess.Popen(cmd, cwd=cwd, stderr=None, stdin=None, stdout=stdout)
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ret = proc.communicate()
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if proc.returncode:
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cwd = cwd or os.getcwd()
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command_desc = " ".join(cmd)
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if raise_on_returncode:
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raise InstallationError(
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"Command %s failed with error code %s in %s"
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% (command_desc, proc.returncode, cwd))
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else:
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logger.warn(
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"Command %s had error code %s in %s"
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% (command_desc, proc.returncode, cwd))
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return ret
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def setup_logging(options):
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level = logging.DEBUG if options.debug else logging.WARNING
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handler = logging.StreamHandler(sys.stderr)
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logger.addHandler(handler)
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logger.setLevel(level)
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def build_name_map():
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cmdline = ["yum", "list", "-q"]
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try:
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yum_list = call_subprocess(cmdline, show_stdout=False)[0]
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except Exception as ex:
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logging.warning(str(ex))
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return
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for line in yum_list.split("\n")[1:]:
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if line:
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line = line.split(None, 1)[0].split(".", 1)[0]
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package_names[line.lower()] = line
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def build_epoch_map(options):
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for epoch_spec in options.epoch_list:
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try:
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(name, epoch) = epoch_spec.split("==")
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name = name.strip().lower()
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epoch = epoch.strip()
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assert(name and epoch)
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except (IndexError, AssertionError):
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raise InstallationError("Bad epoch specifier: `%s'" % epoch_spec)
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else:
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epoch_map[name] = epoch
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def run_egg_info(source_dir, options):
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script = """
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__file__ = __SETUP_PY__
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from setuptools.command import egg_info
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import pkg_resources
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import os
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def replacement_run(self):
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self.mkpath(self.egg_info)
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installer = self.distribution.fetch_build_egg
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for ep in pkg_resources.iter_entry_points('egg_info.writers'):
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# require=False is the change we're making:
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writer = ep.load(require=False)
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if writer:
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writer(self, ep.name, os.path.join(self.egg_info,ep.name))
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self.find_sources()
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egg_info.egg_info.run = replacement_run
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exec(compile(open(__file__).read().replace('\\r\\n', '\\n'), __file__, 'exec'))
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"""
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script = script.replace('__SETUP_PY__', "'setup.py'")
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egg_info_dir = os.path.join(source_dir, 'pip-egg-info')
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if not os.path.exists(egg_info_dir):
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os.makedirs(egg_info_dir)
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egg_base_option = ['--egg-base', 'pip-egg-info']
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call_subprocess(
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[sys.executable, '-c', script, 'egg_info'] + egg_base_option,
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cwd=source_dir,
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show_stdout=options.pip_verbose)
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VERSION_RE = re.compile(r"^(.*[^.0])(\.0+)*$")
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def trim_zeroes(version):
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"""RPM mishandles versions like "0.8.0". Make it happy."""
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match = VERSION_RE.match(version)
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if match:
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return match.group(1)
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return version
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def requires_and_conflicts(req_list, multiline):
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rpm_requires = ""
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rpm_conflicts = ""
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for line in req_list:
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try:
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req = pkg_resources.Requirement.parse(line)
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except:
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continue
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rpm_name = package_name_python2rpm(req.key)
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if not req.specs:
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if multiline:
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rpm_requires += "\nRequires:"
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rpm_requires = "%s %s" % (
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rpm_requires, rpm_name)
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for spec in req.specs:
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# kind in ("==", "<=", ">=", "!=")
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kind = spec[0]
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version = trim_zeroes(spec[1])
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try:
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version = "%s:%s" % (epoch_map[req.key], version)
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except KeyError:
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pass
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if kind == "!=":
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if multiline:
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rpm_conflicts += "\nConflicts:"
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rpm_conflicts = "%s %s = %s" % (
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rpm_conflicts, rpm_name, version)
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continue
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if kind == "==":
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kind = "="
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if multiline:
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rpm_requires += "\nRequires:"
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rpm_requires = "%s %s %s %s" % (
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rpm_requires, rpm_name, kind, version)
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return rpm_requires, rpm_conflicts
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def build_rpm(options, filename):
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if os.path.isfile(filename):
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temp_dir = tempfile.mkdtemp('-unpack', 'py2rpm-')
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pip.util.unpack_file(filename, temp_dir, None, None)
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source_dir = temp_dir
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archive_name = filename
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elif os.path.isdir(filename):
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temp_dir = None
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archive_name = None
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source_dir = filename
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else:
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raise InstallationError(
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"`%s' is not a regular file nor a directory" % filename)
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setup_py = "setup.py"
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run_egg_info(source_dir, options)
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rpm_requires, rpm_conflicts = requires_and_conflicts(
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egg_info_requirements(source_dir), multiline=False)
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pkg_name = setup_py_one_line(source_dir, "--name")
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build_dir = options.rpm_base
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cmdline = [
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sys.executable, setup_py, "bdist_rpm",
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"--rpm-base", build_dir,
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"--source-only",
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"--install-script", options.install_script,
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]
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if rpm_requires:
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cmdline += ["--requires", rpm_requires]
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if rpm_conflicts:
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cmdline += ["--conflicts", rpm_conflicts]
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call_subprocess(cmdline, cwd=source_dir, raise_on_returncode=False)
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rpm_name = package_name_python2rpm(pkg_name)
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spec_name = os.path.join(build_dir, "SPECS", "%s.spec" % pkg_name)
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if not os.path.exists(spec_name):
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raise InstallationError("`%s' does not exist" % spec_name)
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if rpm_name != pkg_name:
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old_name = spec_name
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spec_name = os.path.join(build_dir, "SPECS", "%s.spec" % rpm_name)
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os.rename(old_name, spec_name)
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cmdline = [
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"sed", "-i",
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"-e", "s/^Name:.*$/Name: %s/" % rpm_name,
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"-e", "s/%{name}/%{pkg_name}/g",
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"-e", "s/^%%define name.*$/%%define pkg_name %s/" % pkg_name,
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]
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epoch = epoch_map.get(pkg_name.lower(), options.epoch)
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if epoch is not None:
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cmdline += [
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"-e", "s/^Version:/Epoch: %s\\nVersion:/" % epoch,
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]
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if pkg_name.lower() in options.arch_dependent:
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cmdline += [
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"-e", "/^BuildArch/d",
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]
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if archive_name:
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cmdline += [
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"-e",
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"s/^Source0: .*$/Source0: %s/" % os.path.basename(archive_name)
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]
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shutil.copy(archive_name,
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os.path.join(build_dir, "SOURCES"))
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call_subprocess(cmdline + [spec_name])
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cmdline = [
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"sed", "-i", "-r",
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"-e", "/%doc/s/ man[^ ]+//",
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]
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call_subprocess(cmdline + [spec_name])
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if options.source_only:
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rpmbuild_what = "-bs"
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else:
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rpmbuild_what = "-ba"
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if rpmbuild_what:
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call_subprocess(
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[options.rpmbuild, rpmbuild_what,
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"--define", "_topdir %s" % build_dir,
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spec_name])
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if temp_dir:
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shutil.rmtree(temp_dir)
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def main():
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parser = create_parser()
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options = parser.parse_args()
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setup_logging(options)
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build_name_map()
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build_epoch_map(options)
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if options.convert:
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rpm_requires, rpm_conflicts = requires_and_conflicts(
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options.convert, multiline=True)
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if rpm_requires:
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print rpm_requires.strip()
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if rpm_conflicts:
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print rpm_conflicts.strip()
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return
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install_script_content = """python setup.py install -O1 --root=$RPM_BUILD_ROOT --record=INSTALLED_FILES
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abspath_installed_files=$(readlink -f INSTALLED_FILES)
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(
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cd $RPM_BUILD_ROOT
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for i in usr/*/python*/site-packages/* usr/bin/*; do
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if [ -e "$i" ]; then
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sed -i "s@/$i/@DELETE_ME@" "$abspath_installed_files"
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echo "/$i"
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fi
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done
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if [ -d usr/man ]; then
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rm -rf usr/share/man
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mkdir -p usr/share
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mv usr/man usr/share/
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sed -i "s@/usr/man/@DELETE_ME@" "$abspath_installed_files"
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for i in usr/share/man/*; do
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echo "/$i/*"
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done
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fi
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) >> GATHERED_FILES
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{ sed '/^DELETE_ME/d' INSTALLED_FILES; cat GATHERED_FILES; } | sort -u > INSTALLED_FILES.tmp
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mv -f INSTALLED_FILES{.tmp,}
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"""
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if not options.install_script:
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tmp_install_script = tempfile.mkstemp()
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options.install_script = tmp_install_script[1]
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os.write(tmp_install_script[0], install_script_content)
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os.close(tmp_install_script[0])
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else:
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tmp_install_script = None
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options.arch_dependent = set(pkg.lower() for pkg in options.arch_dependent)
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failed_pkgs = []
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for src in (os.path.abspath(sdir) for sdir in options.sources):
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try:
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build_rpm(options, src)
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except Exception as ex:
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failed_pkgs.append((src, ex))
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print >> sys.stderr, ex
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if tmp_install_script:
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os.unlink(tmp_install_script[1])
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if failed_pkgs:
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print >> sys.stderr, "These packages failed to build:"
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for descr in failed_pkgs:
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print >> sys.stderr, "%s:\n\t%s" % descr
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sys.exit(1)
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if __name__ == "__main__":
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try:
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main()
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except Exception as ex:
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print >> sys.stderr, ex
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