8662297517
We are at the point that all distributions we are building have Python 3, so any tools running in the chroot can assume Python 3 exists. This makes dib-python redundant; mark it as deprecated and start to remove it from elements where it is no longer required. Change-Id: I5d852843ec65d3b04444b77c54c5b82424455cd8
143 lines
4.8 KiB
Python
Executable File
143 lines
4.8 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import argparse
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import json
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import locale
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import os
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import subprocess
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import sys
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from collections import defaultdict
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# run a command, return output
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# if follow is set, output will be echoed to stdout
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def process_output(cmdline, follow=False):
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proc = subprocess.Popen(cmdline, stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT)
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if follow:
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print("Running command: %s" % cmdline)
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out = ""
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with proc.stdout:
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for line in iter(proc.stdout.readline, b''):
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line = line.decode(encoding=locale.getpreferredencoding(False),
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errors='backslashreplace')
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out += line
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print("> %s" % line, end="")
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proc.wait()
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print("returncode: %d" % proc.returncode)
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else:
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out = proc.communicate()[0].decode(errors='backslashreplace')
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if proc.returncode:
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e = subprocess.CalledProcessError(proc.returncode, cmdline)
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e.output = out
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raise e
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return out
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def main():
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dbg_level = int(os.getenv('DIB_DEBUG_TRACE', '0'))
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parser = argparse.ArgumentParser(
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description="Install or uninstall packages for a specific phase based"
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" on package-installs files.")
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parser.add_argument('--phase', required=True,
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help="Install phase to filter on. Valid options are"
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" 'install.d' or pre-install.d")
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parser.add_argument('--uninstall', action="store_true",
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help="Only show packages to uninstall. By default only"
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" packages to install are shown")
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parser.add_argument('-n', '--noop', action="store_true",
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help="Don't actually install, just print the command")
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parser.add_argument('infile', help="File to process")
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args = parser.parse_args()
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packages = json.load(open(args.infile))
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if args.uninstall:
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install = "uninstall"
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else:
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install = "install"
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pkgs = list()
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if args.phase in packages and install in packages[args.phase]:
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install_packages = packages[args.phase][install]
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else:
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print("Nothing to %s" % install)
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sys.exit(0)
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# sort the list by element, this way we only do one pkg-map call
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# per element
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by_element = defaultdict(list)
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for (pkg, element) in install_packages:
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by_element[element].append(pkg)
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for element, packages in by_element.items():
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print("Map %s for %s: %s" % (install, element, ', '.join(packages)))
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# Only trace pkg-map for higher levels of debugging. Note
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# that pkg-map debug output comes out on stderr, which is
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# captured into the output by process_output. We filter by
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# "prefix" so we don't think the debug lines are packages!
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pkg_map_args = ['pkg-map', '--prefix', '-',
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'--missing-ok', '--element', element]
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if dbg_level > 1:
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pkg_map_args.append('--debug')
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pkg_map_args.extend(packages)
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try:
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follow = True if dbg_level > 1 else False
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map_output = process_output(pkg_map_args, follow=follow)
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map_output = map_output.strip().split('\n')
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map_output = [m[1:] for m in map_output if m.startswith('-')]
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pkgs.extend(map_output)
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except subprocess.CalledProcessError as e:
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if e.returncode == 1:
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if args.noop:
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pkgs.append(pkg)
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continue
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else:
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print("pkg-map failed")
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sys.exit(1)
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elif e.returncode == 2:
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pkgs.append(pkg)
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continue
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install_args = ["install-packages"]
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if args.uninstall:
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install_args.append("-e")
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install_args.extend(list(set(pkgs)))
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if args.noop:
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print(" ".join(install_args))
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else:
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try:
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process_output(install_args, follow=True)
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except subprocess.CalledProcessError as e:
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print("install-packages failed with returncode %d" % e.returncode)
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sys.exit(1)
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if __name__ == '__main__':
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main()
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# Tell emacs to use python-mode
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# Local variables:
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# mode: python
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# End:
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