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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# Copyright (C) 2009-2012, Benjamin Drung # # Permission to use, copy, modify, and/or distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, 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. """provides information about Ubuntu's and Debian's distributions""" import csv import datetime import os import typing def convert_date(string: str) -> datetime.date: """Convert a date string in ISO 8601 into a datetime object.""" parts = [int(x) for x in string.split("-")] if len(parts) == 3: (year, month, day) = parts return datetime.date(year, month, day) if len(parts) == 2: (year, month) = parts if month == 12: return datetime.date(year, month, 31) return datetime.date(year, month + 1, 1) - datetime.timedelta(1) raise ValueError("Date not in ISO 8601 format.") def _get_data_dir() -> str: """Get the data directory based on the module location.""" return "/usr/share/distro-info" class DistroDataOutdated(Exception): """Distribution data outdated.""" def __init__(self) -> None: super().__init__( "Distribution data outdated. Please check for an update for distro-info-data. " "See /usr/share/doc/distro-info-data/README.Debian for details." ) class DistroRelease: """Represents a distributions release""" # pylint: disable=too-few-public-methods # pylint: disable=too-many-instance-attributes def __init__( self, version: str, codename: str, series: str, created: datetime.date, release: typing.Optional[datetime.date] = None, eol: typing.Optional[datetime.date] = None, eol_esm: typing.Optional[datetime.date] = None, eol_lts: typing.Optional[datetime.date] = None, eol_elts: typing.Optional[datetime.date] = None, eol_server: typing.Optional[datetime.date] = None, ) -> None: # pylint: disable=too-many-arguments self.version = version self.codename = codename self.series = series self.created = created self.release = release self.eol = eol self.eol_lts = eol_lts self.eol_elts = eol_elts self.eol_esm = eol_esm self.eol_server = eol_server def is_supported(self, date: datetime.date) -> bool: """Check whether this release is supported on the given date.""" return date >= self.created and ( self.eol is None or date <= self.eol or (self.eol_server is not None and date <= self.eol_server) ) def _get_date(row: dict[str, str], column: str) -> typing.Optional[datetime.date]: date_string = row.get(column) if not date_string: return None return convert_date(date_string) class DistroInfo: """Base class for distribution information. Use DebianDistroInfo or UbuntuDistroInfo instead of using this directly. """ def __init__(self, distro: str) -> None: self._distro = distro filename = os.path.join(_get_data_dir(), distro.lower() + ".csv") with open(filename, encoding="utf-8") as csvfile: csv_reader = csv.DictReader(csvfile) self._releases = [] for row in csv_reader: release = DistroRelease( row["version"], row["codename"], row["series"], convert_date(row["created"]), _get_date(row, "release"), _get_date(row, "eol"), _get_date(row, "eol-esm"), _get_date(row, "eol-lts"), _get_date(row, "eol-elts"), _get_date(row, "eol-server"), ) self._releases.append(release) self._date = datetime.date.today() @property def all(self) -> list[str]: """List codenames of all known distributions.""" return [x.series for x in self._releases] def get_all(self, result: str = "codename") -> list[typing.Union[DistroRelease, str]]: """List all known distributions.""" return [self._format(result, x) for x in self._releases] def _avail(self, date: datetime.date) -> list[DistroRelease]: """Return all distributions that were available on the given date.""" return [x for x in self._releases if date >= x.created] def codename( self, release: str, date: typing.Optional[datetime.date] = None, default: typing.Optional[str] = None, ) -> typing.Union[DistroRelease, str, None]: """Map codename aliases to the codename they describe.""" # pylint: disable=no-self-use,unused-argument return release def version(self, name: str, default: typing.Optional[str] = None) -> typing.Optional[str]: """Map codename or series to version""" for release in self._releases: if name in (release.codename, release.series): return release.version return default def devel( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> typing.Union[DistroRelease, str]: """Get latest development distribution based on the given date.""" if date is None: date = self._date distros = [ x for x in self._avail(date) if x.release is None or (date < x.release and (x.eol is None or date <= x.eol)) ] if not distros: raise DistroDataOutdated() return self._format(result, distros[-1]) def _format( self, format_string: str, release: DistroRelease ) -> typing.Union[DistroRelease, str]: """Format a given distribution entry.""" if format_string == "object": return release if format_string == "codename": return release.series if format_string == "fullname": return self._distro + " " + release.version + ' "' + release.codename + '"' if format_string == "release": return release.version raise ValueError( "Only codename, fullname, object, and release are allowed " "result values, but not '" + format_string + "'." ) def stable( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> typing.Union[DistroRelease, str]: """Get latest stable distribution based on the given date.""" if date is None: date = self._date distros = [ x for x in self._avail(date) if x.release is not None and date >= x.release and (x.eol is None or date <= x.eol) ] if not distros: raise DistroDataOutdated() return self._format(result, distros[-1]) def supported( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all supported distributions based on the given date.""" raise NotImplementedError() def valid(self, codename: str) -> bool: """Check if the given codename is known.""" return codename in self.all def unsupported( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all unsupported distributions based on the given date.""" if date is None: date = self._date supported = self.supported(date) distros = [self._format(result, x) for x in self._avail(date) if x.series not in supported] return distros class DebianDistroInfo(DistroInfo): """provides information about Debian's distributions""" def __init__(self) -> None: super().__init__("Debian") def codename( self, release: str, date: typing.Optional[datetime.date] = None, default: typing.Optional[str] = None, ) -> typing.Union[DistroRelease, str, None]: """Map 'unstable', 'testing', etc. to their codenames.""" if release == "unstable": return self.devel(date) if release == "testing": return self.testing(date) if release == "stable": return self.stable(date) if release == "oldstable": return self.old(date) return default def devel( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> typing.Union[DistroRelease, str]: """Get latest development distribution based on the given date.""" if date is None: date = self._date distros = [ x for x in self._avail(date) if x.release is None or (date < x.release and (x.eol is None or date <= x.eol)) ] if len(distros) < 2: raise DistroDataOutdated() return self._format(result, distros[-2]) def old( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> typing.Union[DistroRelease, str]: """Get old (stable) Debian distribution based on the given date.""" if date is None: date = self._date distros = [x for x in self._avail(date) if x.release is not None and date >= x.release] if len(distros) < 2: raise DistroDataOutdated() return self._format(result, distros[-2]) def supported( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all supported Debian distributions based on the given date.""" if date is None: date = self._date distros = [ self._format(result, x) for x in self._avail(date) if x.eol is None or date <= x.eol ] return distros def lts_supported( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all LTS supported Debian distributions based on the given date.""" if date is None: date = self._date distros = [ self._format(result, x) for x in self._avail(date) if (x.eol is not None and date > x.eol) and (x.eol_lts is not None and date <= x.eol_lts) ] return distros def elts_supported( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all Extended LTS supported Debian distributions based on the given date.""" if date is None: date = self._date distros = [ self._format(result, x) for x in self._avail(date) if (x.eol_lts is not None and date > x.eol_lts) and (x.eol_elts is not None and date <= x.eol_elts) ] return distros def testing( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> typing.Union[DistroRelease, str]: """Get latest testing Debian distribution based on the given date.""" if date is None: date = self._date distros = [ x for x in self._avail(date) if (x.release is None and x.version) or (x.release is not None and date < x.release and (x.eol is None or date <= x.eol)) ] if not distros: raise DistroDataOutdated() return self._format(result, distros[-1]) def valid(self, codename: str) -> bool: """Check if the given codename is known.""" return DistroInfo.valid(self, codename) or codename in [ "unstable", "testing", "stable", "oldstable", ] class UbuntuDistroInfo(DistroInfo): """provides information about Ubuntu's distributions""" def __init__(self) -> None: super().__init__("Ubuntu") def lts( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> typing.Union[DistroRelease, str]: """Get latest long term support (LTS) Ubuntu distribution based on the given date.""" if date is None: date = self._date distros = [ x for x in self._releases if x.version.find("LTS") >= 0 and x.release and x.eol and x.release <= date <= x.eol ] if not distros: raise DistroDataOutdated() return self._format(result, distros[-1]) def is_lts(self, codename: str) -> bool: """Is codename an LTS release?""" distros = [x for x in self._releases if x.series == codename] if not distros: return False return "LTS" in distros[0].version def supported( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all supported Ubuntu distributions based on the given date.""" if date is None: date = self._date distros = [ self._format(result, x) for x in self._avail(date) if (x.eol and date <= x.eol) or (x.eol_server is not None and date <= x.eol_server) ] return distros def supported_esm( self, date: typing.Optional[datetime.date] = None, result: str = "codename" ) -> list[typing.Union[DistroRelease, str]]: """Get list of all ESM supported Ubuntu distributions based on the given date.""" if date is None: date = self._date distros = [ self._format(result, x) for x in self._avail(date) if x.eol_esm is not None and date <= x.eol_esm ] return distros