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Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ# # checkversions.py - Find if the installed version of a package is the latest # # Written by Chris Lawrence # (C) 2002-08 Chris Lawrence # Copyright (C) 2008-2022 Sandro Tosi # # This program is freely distributable per the following license: # # Permission to use, copy, modify, and distribute this software and its # documentation for any purpose and without fee is hereby granted, # provided that the above copyright notice appears in all copies and that # both that copyright notice and this permission notice appear in # supporting documentation. # # I DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL I # BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY # DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, # WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, # ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS # SOFTWARE. import sys import urllib.error from . import utils from .urlutils import open_url from reportbug.exceptions import ( NoNetwork, ) # needed to parse new.822 from debian.deb822 import Deb822 from debian import debian_support RMADISON_URL = 'https://qa.debian.org/madison.php?package=%s&text=on' NEWQUEUE_URL = 'http://ftp-master.debian.org/new.822' def compare_versions(current, upstream): """ Compare package version strings This is a wrapper around `debian_support.version_compare()` that returns 0 if one if the versions is empty. Parameters ---------- current : str version assumed to be currently installed upstream : str version assumed to be available upstream Returns ------- int 1 if upstream is newer than current, -1 if current is newer than upstream, and 0 if the same. """ if not current or not upstream: return 0 return debian_support.version_compare(upstream, current) def later_version(a, b): """ Pick the later version of two version strings This is a helper function originally used in :func:`get_incoming_version()`, but currently not used. Parameters ---------- a : str first package version b : str second package version Returns ------- str the later (higher) version string """ if compare_versions(a, b) > 0: return b return a def get_versions_available(package, timeout, dists=None, http_proxy=None, arch='i386'): """ Get package versions available. If `dists` is not given, get versions from all dists known to the version lookup service at https://qa.debian.org/madison.php Parameters ---------- package : str package name timeout : int connection timeout in seconds dists : (str, ...), optional tuple of dist names ('stable', 'testing' etc.) to check http_proxy : str, optional http proxy url arch : str, optional architecture name Returns ------- {str: str, ...} dictionary with found dists as keys and versions as values, e.g.,: { "oldstable": "46.1", "stable": "1:26.1+1-3.2+deb10u1", "testing": "1:26.1+1-4", "unstable": "1:26.3+1-1" } """ arch = utils.get_arch() url = RMADISON_URL % package if dists: url += '&s=' + ','.join(dists) # select only those lines that refers to source pkg # or to binary packages available on the current arch url += '&a=source,all,' + arch try: page = open_url(url, http_proxy, timeout) except NoNetwork: return {} except urllib.error.HTTPError as x: print("Warning:", x, file=sys.stderr) return {} if not page: return {} # The page looks like this: # # $ wget -qO- 'https://qa.debian.org/madison.php?package=emacs&text=on&s=oldstable,stable,testing,unstable,experimental&a=source,all,x86_64' # emacs | 46.1 | stretch | all # emacs | 1:26.1+1-3.2+deb10u1 | buster | source, all # emacs | 1:26.1+1-4 | bullseye | source, all # emacs | 1:26.1+1-4 | sid | source, all # emacs | 1:26.3+1-1 | sid | source, all # read the content of the page, remove spaces, empty lines content = page.replace(' ', '').strip() versions = {} for line in content.split('\n'): try: p, v, d, a = line.split('|') # skip lines not having the right number of fields except ValueError: continue if a == 'source': continue # map suites name (returned by madison, e.g. "bullseye") to # dist name (e.g. "testing"). dist = utils.CODENAME2SUITE.get(d, d) versions[dist] = v return versions def get_newqueue_available(package, timeout, dists=None, http_proxy=None, arch='i386'): """ Get package versions available in the NEW queue If `dists` is not given, get versions from unstable (NEW queue). This is a helper function for :func:`check_available()`. Parameters ---------- package : str package name timeout : int connection timeout in seconds dists : (str, ...), optional tuple of dist names ('stable', 'testing' etc.) to check http_proxy : str, optional http proxy url arch : str, optional unused Returns ------- {str: str, ...} dictionary with found dists as keys and versions as values """ if dists is None: dists = ('unstable (new queue)',) try: page = open_url(NEWQUEUE_URL, http_proxy, timeout) except NoNetwork: return {} except urllib.error.HTTPError as x: print("Warning:", x, file=sys.stderr) return {} if not page: return {} versions = {} # iter over the entries, one paragraph at a time for para in Deb822.iter_paragraphs(page): if para['Source'] == package: k = para['Distribution'] + ' (' + para['Queue'] + ')' # in case of multiple versions, choose the bigger versions[k] = max(para['Version'].split()) return versions def check_available(package, version, timeout, dists=None, check_incoming=True, check_newqueue=True, http_proxy=None, arch='i386'): """ Check a package version against other available versions The package archive contains many different versions of most packages. This function determines whether a given package version is newer than all versions available in the archive, and (if not) which available versions are newer. Parameters ---------- package : str package name version : str package version timeout : int connection timeout in seconds dists : (str, ...), optional tuple of dist names ('stable', 'testing' etc.) to check check_incoming : bool unused/ignored check_newqueue : bool True if the NEW queue should be checked for new versions http_proxy : str, optional http proxy url arch : str, optional architecture name Returns ------- (dict, bool) Tuple with a dictionary and a bool. The dictionary contains the versions found to be newer than the given version. E.g., {"unstable": "42.1", "testing": "42.0"} The bool indicates whether the checked (installed) version is strictly newer than all available versions. """ avail = {} stuff = get_versions_available(package, timeout, dists, http_proxy, arch) avail.update(stuff) if check_newqueue: srcpackage = utils.get_source_name(package) if srcpackage is None: srcpackage = package stuff = get_newqueue_available(srcpackage, timeout, dists, http_proxy, arch) avail.update(stuff) # print gc.garbage, stuff new = {} # Number of distributions that are outdated compared to our # current version. newer = 0 for dist in avail: comparison = compare_versions(version, avail[dist]) if comparison > 0: # The available version is newer than our version. new[dist] = avail[dist] elif comparison < 0: # Our version is newer than the available version. newer += 1 too_new = (newer and newer == len(avail)) return new, too_new