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*.py[co]
*~
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noarch/*
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htmlcov/

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Authors:
Daniel Mach <dmach@redhat.com>
Lubomír Sedlář <lsedlar@redhat.com>

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Pungi - Distribution compose tool
Copyright (C) 2006-2015 Red Hat, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

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Compose Utils
=============
A set of utilities for working with composes.
Contents
--------
**compose-changelog**
displays changes between two composes
Related tools
-------------
* `Pungi <https://pagure.io/pungi>`_ -- a tool for generating composes

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#!/usr/bin/env python2
# -*- encoding: utf-8 -*-
import argparse
import os
import sys
import productmd.compose
here = sys.path[0]
if here != '/usr/bin':
sys.path[0] = os.path.dirname(here)
from compose_utils.changelog import ComposeChangelog
def run(opts):
old_compose = productmd.compose.Compose(opts.compose1)
new_compose = productmd.compose.Compose(opts.compose2)
changelog = ComposeChangelog()
data = changelog.get_changelog(old_compose, new_compose)
name = opts.name or new_compose.info.compose.id
changelog.write(data, path=opts.path, name=name)
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('compose1', metavar='OLD_COMPOSE')
parser.add_argument('compose2', metavar='NEW_COMPOSE')
parser.add_argument('-p', '--path',
help='Target directory where to write the changelogs. '
'Defaults to current directory.')
parser.add_argument('-n', '--name',
help='Identifier to be included in generated filenames. '
'Defaults to compose id of new compose.')
opts = parser.parse_args()
run(opts)

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# -*- coding: utf-8 -*-
__all__ = (
"ComposeChangelog",
)
# TODO: added/removed RPMs for existing builds
import os
import json
import kobo.pkgset
from kobo.rpmlib import parse_nvra, make_nvr, make_nvra, get_changelogs_from_header
from kobo.threads import ThreadPool, WorkerThread
def formatsize(size):
units = ('KiB', 'MiB', 'GiB', 'TiB')
size = float(size)
chosen = 'B'
for unit in units:
if size > 1024:
size = size / 1024
chosen = unit
else:
break
return '%.2f %s' % (size, chosen)
def to_utf8(text):
encodings = ["ascii", "utf8", "latin1", "latin2"]
for encoding in encodings:
try:
return text.decode(encoding).encode("utf-8")
except UnicodeDecodeError:
pass
return text.decode("ascii", "ignore")
clogs = {}
# HACK: update kobo
class SimpleRpmWrapperWithChangelog(kobo.pkgset.SimpleRpmWrapper):
__slots__ = (
"name",
"version",
"release",
"epoch",
"arch",
"signature",
"excludearch",
"exclusivearch",
"sourcerpm",
"is_source",
"is_system_release",
"summary",
"changelogs",
)
def __init__(self, file_path, **kwargs):
super(SimpleRpmWrapperWithChangelog, self).__init__(file_path, **kwargs)
ts = kwargs.pop("ts", None)
header = kobo.rpmlib.get_rpm_header(file_path, ts=ts)
self.summary = kobo.rpmlib.get_header_field(header, "summary")
if self.sourcerpm:
key = self.sourcerpm
else:
key = "%s.rpm" % self.nvra
# HACK: pass reference instead using global
global clogs
if key not in clogs:
clog = get_changelogs_from_header(header, -1)
clogs[key] = clog
self.changelogs = clogs[key]
class ReaderPool(ThreadPool):
def __init__(self, file_cache, logger=None):
ThreadPool.__init__(self, logger)
self.file_cache = file_cache
self.result = {}
class SrpmReaderThread(WorkerThread):
def process(self, item, num):
file_path = str(item)
rpm_obj = self.pool.file_cache.add(file_path)
self.pool.result.setdefault(rpm_obj.file_name, rpm_obj)
class RpmReaderThread(WorkerThread):
def process(self, item, num):
file_path = str(item)
rpm_obj = self.pool.file_cache.add(file_path)
srpm_name = parse_nvra(rpm_obj.sourcerpm)["name"]
self.pool.result.setdefault(srpm_name, set()).add(rpm_obj)
def get_changelog_diff_from_headers(old, new, max_records=-1):
old_changelog = old.changelogs
new_changelog = new.changelogs
if new_changelog and old_changelog:
result = []
old_time = old_changelog[0].time
while True:
if not new_changelog:
break
entry = new_changelog.pop(0)
if entry.time <= old_time:
break
result.insert(0, entry)
return result
return new_changelog
class FakeSRPM(object):
def __init__(self, rpm_obj):
nvra = rpm_obj.sourcerpm
self.nvr = make_nvr(parse_nvra(nvra))
self.nvra = nvra
self.name = parse_nvra(nvra)["name"]
self.epoch = rpm_obj.epoch
self.nevra = make_nvra(parse_nvra(nvra), add_epoch=True)
self.summary = rpm_obj.summary
self.sourcerpm = None
self.changelogs = rpm_obj.changelogs
self.size = 0
def get_srpm(lst, name, rpm_obj_list):
result = lst.get(name, None)
if result:
return result
# try to find "main" package (with name matching SRPM name)
matches = [i for i in rpm_obj_list if i.name == name]
if matches:
rpm_obj = matches[0]
else:
rpm_obj = list(rpm_obj_list)[0]
return FakeSRPM(rpm_obj)
class ComposeChangelog(object):
def __init__(self):
self.file_cache = kobo.pkgset.FileCache(SimpleRpmWrapperWithChangelog)
def get_srpms(self, compose):
rm = compose.rpms.rpms
result = {}
for variant in rm:
for arch in rm[variant]:
for srpm_nevra, data in rm[variant][arch].iteritems():
for rpm_nevra, data in rm[variant][arch][srpm_nevra].iteritems():
if data['category'] != 'source':
continue
result.setdefault(
srpm_nevra,
os.path.normpath(os.path.join(compose.compose_path, data["path"]))
)
return result
def read_srpm_headers(self, srpms):
pool = ReaderPool(self.file_cache)
for i in range(10):
pool.add(SrpmReaderThread(pool))
for i in srpms.values():
pool.queue.put(i)
if not pool.queue.empty():
pool.start()
pool.stop()
return pool.result
def read_rpm_headers(self, rpms):
pool = ReaderPool(self.file_cache)
for i in range(1):
pool.add(RpmReaderThread(pool))
for srpm_nevra in rpms:
for i in rpms[srpm_nevra].values():
pool.queue.put(i)
if not pool.queue.empty():
pool.start()
pool.stop()
return pool.result
def get_rpms(self, compose):
rm = compose.rpms.rpms
result = {}
for variant in rm:
for arch in rm[variant]:
for srpm_nevra in rm[variant][arch]:
for rpm_nevra, data in rm[variant][arch][srpm_nevra].items():
if data["category"] in ("debug", "source"):
continue
result.setdefault(
srpm_nevra, {}
).setdefault(
rpm_nevra,
os.path.normpath(os.path.join(compose.compose_path, data["path"]))
)
return result
def get_changelog(self, old_compose, new_compose, max_logs=-1):
result = {}
result["old_compose"] = old_compose.info.compose.id
result["new_compose"] = new_compose.info.compose.id
srpms_old = self.get_srpms(old_compose)
srpms_new = self.get_srpms(new_compose)
rpms_old = self.get_rpms(old_compose)
rpms_new = self.get_rpms(new_compose)
for i in list(srpms_old.keys()) + list(srpms_new.keys()) + list(rpms_old.keys()) + list(rpms_new.keys()):
if i in srpms_old and i in srpms_new:
del srpms_old[i]
del srpms_new[i]
if i in rpms_old and i in rpms_new:
del rpms_old[i]
del rpms_new[i]
srpm_headers_old = self.read_srpm_headers(srpms_old)
srpm_headers_new = self.read_srpm_headers(srpms_new)
rpm_headers_old = self.read_rpm_headers(rpms_old)
rpm_headers_new = self.read_rpm_headers(rpms_new)
pkgs_added = set(rpm_headers_new) - set(rpm_headers_old)
pkgs_dropped = set(rpm_headers_old) - set(rpm_headers_new)
pkgs_changed = set(rpm_headers_old) & set(rpm_headers_new)
result["summary"] = {
"added_packages": 0,
"dropped_packages": 0,
"upgraded_packages": 0,
"downgraded_packages": 0,
"added_packages_size": 0,
"dropped_packages_size": 0,
"upgraded_packages_size": 0,
"downgraded_packages_size": 0,
"upgraded_packages_size_change": 0,
"downgraded_packages_size_change": 0,
}
result["added_packages"] = []
for name in sorted(pkgs_added):
pkg = get_srpm(srpm_headers_new, name, rpm_headers_new[name])
size = sum([i.size for i in rpm_headers_new.get(name, [])])
result["added_packages"].append({
"name": pkg.name,
"nvr": pkg.nvr,
"summary": pkg.summary,
"rpms": sorted(set([i.name for i in rpm_headers_new[name]])),
"size": size,
})
result["summary"]["added_packages"] += 1
result["summary"]["added_packages_size"] += size
result["dropped_packages"] = []
for name in sorted(pkgs_dropped):
pkg = get_srpm(srpm_headers_old, name, rpm_headers_old[name])
size = sum([i.size for i in rpm_headers_old[name]])
result["dropped_packages"].append({
"name": pkg.name,
"nvr": pkg.nvr,
"summary": pkg.summary,
"rpms": sorted(set([i.name for i in rpm_headers_old[name]])),
"size": size,
})
result["summary"]["dropped_packages"] += 1
result["summary"]["dropped_packages_size"] += size
result["upgraded_packages"] = []
result["downgraded_packages"] = []
for name in sorted(pkgs_changed):
new_package = get_srpm(srpm_headers_new, name, rpm_headers_new[name])
old_package = get_srpm(srpm_headers_old, name, rpm_headers_old[name])
data = {}
data["name"] = new_package.name
data["nvr"] = new_package.nvr
data["summary"] = new_package.summary
data["rpms"] = sorted(set([i.name for i in rpm_headers_new[name]]))
data["old_nvr"] = old_package.nvr
data["old_rpms"] = sorted(set([i.name for i in rpm_headers_old[name]]))
data["added_rpms"] = sorted(set(data["rpms"]) - set(data["old_rpms"]))
data["dropped_rpms"] = sorted(set(data["old_rpms"]) - set(data["rpms"]))
data["common_rpms"] = sorted(set(data["old_rpms"]) & set(data["rpms"]))
data["size"] = sum([i.size for i in rpm_headers_new[name]])
data["size_change"] = sum([i.size for i in rpm_headers_new[name]]) - sum([i.size for i in rpm_headers_old[name]])
data["changelog"] = []
for i in get_changelog_diff_from_headers(old_package, new_package, max_logs):
data["changelog"].append(to_utf8(str(i)))
# TODO: comps, system release
# if rpm.versionCompare(old_package, new_package.header) == -1:
if kobo.rpmlib.compare_nvr(kobo.rpmlib.parse_nvra(old_package.nevra), kobo.rpmlib.parse_nvra(new_package.nevra)) == -1:
result["upgraded_packages"].append(data)
result["summary"]["upgraded_packages"] += 1
result["summary"]["upgraded_packages_size"] += data["size"]
result["summary"]["upgraded_packages_size_change"] += data["size_change"]
else:
result["downgraded_packages"].append(data)
result["summary"]["downgraded_packages"] += 1
result["summary"]["downgraded_packages_size"] += data["size"]
result["summary"]["downgraded_packages_size_change"] += data["size_change"]
return result
def _get_summary(self, changelog_data):
result = []
result.append("===== SUMMARY =====")
result.append("Added packages: %s" % changelog_data["summary"]["added_packages"])
result.append("Dropped packages: %s" % changelog_data["summary"]["dropped_packages"])
result.append("Upgraded packages: %s" % changelog_data["summary"]["upgraded_packages"])
result.append("Downgraded packages: %s" % changelog_data["summary"]["downgraded_packages"])
result.append("")
result.append("Size of added packages: %s" % (formatsize(changelog_data["summary"]["added_packages_size"])))
result.append("Size of dropped packages: %s" % (formatsize(changelog_data["summary"]["dropped_packages_size"])))
result.append("Size of upgraded packages: %s" % (formatsize(changelog_data["summary"]["upgraded_packages_size"])))
result.append("Size of downgraded packages: %s" % (formatsize(changelog_data["summary"]["downgraded_packages_size"])))
result.append("")
result.append("Size change of upgraded packages: %s" % (formatsize(changelog_data["summary"]["upgraded_packages_size_change"])))
result.append("Size change of downgraded packages: %s" % (formatsize(changelog_data["summary"]["downgraded_packages_size_change"])))
result.append("")
return result
def get_brief_log(self, changelog_data):
result = []
result.append("OLD: %s" % changelog_data["old_compose"])
result.append("NEW: %s" % changelog_data["new_compose"])
result.append("")
result.extend(self._get_summary(changelog_data))
result.append("===== ADDED PACKAGES =====")
for i in changelog_data["added_packages"]:
result.append("%(name)s: %(nvr)s" % i)
result.append("")
result.append("===== DROPPED PACKAGES =====")
for i in changelog_data["dropped_packages"]:
result.append("%(name)s: %(nvr)s" % i)
result.append("")
result.append("===== UPGRADED PACKAGES =====")
for i in changelog_data["upgraded_packages"]:
result.append("%(name)s: %(old_nvr)s -> %(nvr)s" % i)
result.append("")
result.append("===== DOWNGRADED PACKAGES =====")
for i in changelog_data["downgraded_packages"]:
result.append("%(name)s: %(old_nvr)s -> %(nvr)s" % i)
result.append("")
return "\n".join(result)
def get_verbose_log(self, changelog_data):
result = []
result.append("OLD: %s" % changelog_data["old_compose"])
result.append("NEW: %s" % changelog_data["new_compose"])
result.append("")
result.extend(self._get_summary(changelog_data))
result.append("===== ADDED PACKAGES =====")
for i in changelog_data["added_packages"]:
result.append("Package: %s" % i["nvr"])
result.append("Summary: %s" % i["summary"])
result.append("RPMs: %s" % " ".join(sorted(i["rpms"])))
result.append("Size: %s bytes" % i["size"])
result.append("")
result.append("")
result.append("===== DROPPED PACKAGES =====")
for i in changelog_data["dropped_packages"]:
result.append("Package: %s" % i["nvr"])
result.append("Summary: %s" % i["summary"])
result.append("RPMs: %s" % " ".join(sorted(i["rpms"])))
result.append("Size: %s bytes" % i["size"])
result.append("")
result.append("")
result.append("===== UPGRADED PACKAGES =====")
for i in changelog_data["upgraded_packages"]:
result.append("Package: %s" % i["nvr"])
result.append("Old package: %s" % i["old_nvr"])
result.append("Summary: %s" % i["summary"])
result.append("RPMs: %s" % " ".join(sorted(i["rpms"])))
if i["added_rpms"]:
result.append("Added RPMs: %s" % " ".join(i["added_rpms"]))
if i["dropped_rpms"]:
result.append("Dropped RPMs: %s" % " ".join(i["dropped_rpms"]))
result.append("Size: %s bytes" % i["size"])
result.append("Size change: %s bytes" % i["size_change"])
if i["changelog"]:
result.append("Changelog:")
for entry in i["changelog"]:
for line in entry.splitlines():
result.append(" %s" % line)
result.append("")
result.append("")
result.append("")
result.append("===== DOWNGRADED PACKAGES =====")
for i in changelog_data["downgraded_packages"]:
result.append("Package: %s" % i["nvr"])
result.append("Old package: %s" % i["old_nvr"])
result.append("Summary: %s" % i["summary"])
result.append("RPMs: %s" % " ".join(sorted(i["rpms"])))
if i["added_rpms"]:
result.append("Added RPMs: %s" % " ".join(i["added_rpms"]))
if i["dropped_rpms"]:
result.append("Dropped RPMs: %s" % " ".join(i["dropped_rpms"]))
result.append("Size: %s bytes" % i["size"])
result.append("Size change: %s bytes" % i["size_change"])
if i["changelog"]:
result.append("Changelog:")
for entry in i["changelog"]:
for line in entry.splitlines():
result.append(" %s" % line)
result.append("")
result.append("")
result.append("")
return "\n".join([to_utf8(i) for i in result])
def write(self, data, path=None, name=None):
if name:
name = "changelog-%s" % name
else:
name = "changelog"
name = name.replace(" ", "_")
name = name.replace("/", "_")
name = name.replace("\\", "_")
path = path or ""
# json
json_log = os.path.join(path, "%s.json" % name)
json.dump(data, open(json_log, "w"), sort_keys=True, indent=4)
# brief
brief_log = os.path.join(path, "%s.brief" % name)
open(brief_log, "w").write(self.get_brief_log(data))
# verbose
verbose_log = os.path.join(path, "%s.verbose" % name)
open(verbose_log, "w").write(self.get_verbose_log(data))

24
setup.py Normal file
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#!/usr/bin/env python
# -*- encoding: utf-8 -*-
from setuptools import setup
setup(
name='compose-utils',
version='0.1.0',
description='Utilities for working with composes',
url='https://pagure.io/compose-utils',
author='Lubomír Sedlář',
author_email='lsedlar@redhat.com',
packages=[
'compose_utils',
],
scripts=[
'bin/compose-changelog',
],
install_requires=[
'productmd>=1.0',
'kobo',
'kobo-rpmlib',
],
)

7
tox.ini Normal file
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[flake8]
exclude = doc,*.pyc,*.py~,*.in,*.spec,*.sh,*.rst
filename = *.py
ignore = E501
[run]
omit = tests/*