add initial version of “aur check” script

This commit is contained in:
coderkun 2016-07-25 12:25:05 +02:00
parent 7b55a6e29f
commit fff4d1296a
3 changed files with 395 additions and 0 deletions

195
arch.py Normal file
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import tarfile
class ArchDatabase:
"""Representation of an Arch Linux package database."""
FILE_EXTENSION = ".db.tar.gz"
def __init__(self, filename):
"""Construct a new database object and read all containing packages."""
self.filename = filename
self.packages = []
self._parse()
def get_fielname(self):
"""Get filename of database."""
return self.filename
def get_name(self):
"""Get simple name of database."""
return os.path.basename(self.filename)[0:-len(ArchDatabase.FILE_EXTENSION)]
def get_packages(self):
"""Get list of packages contained in the database."""
return self.packages
def _parse(self):
"""Read and parse database content."""
with tarfile.open(name=self.filename) as tf:
for f in tf:
if f.isfile() and os.path.basename(f.name) == "desc":
df = tf.extractfile(f)
s = df.read().decode('utf-8')
d = dict(item.split("\n")[:2] for item in s.split("\n\n")[:-1])
archPackage = ArchPackage(d["%NAME%"])
archPackage.set_filename(d["%FILENAME%"])
archPackage.set_version(d["%VERSION%"])
archPackage.set_desc(d["%DESC%"])
archPackage.set_csize(d["%CSIZE%"])
archPackage.set_isize(d["%ISIZE%"])
archPackage.set_url(d["%URL%"])
archPackage.set_license(d["%LICENSE%"])
archPackage.set_arch(d["%ARCH%"])
archPackage.set_builddate(d["%BUILDDATE%"])
archPackage.set_packager(d["%PACKAGER%"])
self.packages.append(archPackage)
def find_databases(directory):
"""Find all database files in a directory, including subdirectories."""
databases = []
for root, dirs, files in os.walk(directory):
for file in files:
if file.endswith(ArchDatabase.FILE_EXTENSION):
archDatabase = ArchDatabase(os.path.join(root, file))
databases.append(archDatabase)
return databases
class ArchPackage:
"""Representation of an Arch Linux package."""
def __init__(self, name):
"""Construct a new package."""
self.name = name
self.filename = None
self.version = None
self.desc = None
self.csize = None
self.isize = None
self.url = None
self.license = None
self.arch = None
self.builddate = None
self.packager = None
def get_name(self):
"""Get the package name."""
return self.name
def set_filename(self, filename):
"""Set package filename."""
self.filename = filename
def get_filename(self):
"""Get package filename."""
return self.filename
def set_version(self, version):
"""Set version."""
self.version = version
def get_version(self):
"""Get version."""
return self.version
def set_desc(self, desc):
"""Set description."""
self.desc = desc
def get_desc(self):
"""Get description."""
return self.desc
def set_csize(self, csize):
"""Set csize."""
self.csize = csize
def get_csize(self):
"""Get csize."""
return self.csize
def set_isize(self, isize):
"""Set isize."""
self.isize = isize
def get_isize(self):
"""Get isize."""
return self.isize
def set_url(self, url):
"""Set upstream URL."""
self.url = url
def get_url(self):
"""Get upstream URL."""
return self.url
def set_license(self, license):
"""Set license."""
self.license = license
def get_license(self):
"""Get license."""
return self.license
def set_arch(self, arch):
"""Set architecture."""
self.arch = arch
def get_arch(self):
"""Get architecture."""
return self.arch
def set_builddate(self, builddate):
"""Set build date."""
self.builddate = builddate
def get_builddate(self):
"""Get build date."""
return self.builddate
def set_packager(self, packager):
"""Set name of packager."""
self.packager = packager
def get_packager(self):
"""Get name of packager."""
return self.packager

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aur-check.py Executable file
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
import argparse
import os
import subprocess
from arch import ArchDatabase, ArchPackage
from aur import AURPackage
class Styling:
"""Output styling constants."""
ENDC = '\033[0m'
BOLD = '\033[1m'
UPTODATE = '\033[32m'
NEEDS_UPDATE = '\033[31m'
FLAGGED = '\033[33m'
NEEDS_DOWNGRADE = '\033[34m'
URL = '\033[37m'
class AURChecker:
"""
Read local Arch Linux package databases/repositories and compare the
version of each containing package against the AUR package with the same
name to determine and print a status for each package.
"""
STATUS_UPTODATE = "uptodate"
STATUS_NEEDS_UPDATE = "needs update"
STATUS_NEEDS_DOWNGRADE = "needs downgrade"
def check(directory):
"""Check all databases/repositories in a directory."""
databases = ArchDatabase.find_databases(directory)
for database in databases:
AURChecker.check_database(database)
def check_database(database):
"""Check a database/repository."""
print(Styling.BOLD + "# repository {}".format(database.get_name()) + Styling.ENDC)
for package in database.get_packages():
aur_package = AURPackage(package.get_name())
status = AURChecker.compare(package, aur_package)
status_messages = {}
status_messages[AURChecker.STATUS_UPTODATE] = Styling.UPTODATE + "up-do-date" + Styling.ENDC
status_messages[AURChecker.STATUS_NEEDS_UPDATE] = Styling.NEEDS_UPDATE + "needs update to {}\n".format(aur_package.get_version()) + Styling.URL + " {}{}".format(AURPackage.AUR_URL, aur_package.get_url_path()) + Styling.ENDC
status_messages[AURChecker.STATUS_NEEDS_DOWNGRADE] = Styling.NEEDS_DOWNGRADE + "local is newer" + Styling.ENDC
message = " {} {}: {}".format(package.get_name(), package.get_version(), status_messages[status])
if aur_package.get_out_of_date():
message = Styling.FLAGGED + "{} (flagged)".format(message) + Styling.ENDC
print(message)
def compare(package, aur_package):
"""Compare package two versions and return status."""
result = subprocess.check_output(["vercmp", package.get_version(), aur_package.get_version()])
result = int(result)
if result < 0:
return AURChecker.STATUS_NEEDS_UPDATE
elif result > 0:
return AURChecker.STATUS_NEEDS_DOWNGRADE
else:
return AURChecker.STATUS_UPTODATE
if __name__ == "__main__":
parser = argparse.ArgumentParser("Read local Arch Linux package databases/repositories and compare the version of each containing package against the AUR package with the same name to determine and print a status for each package.")
parser.add_argument('folder', help="source folder containing one or several databases/repositories (subdirectories possible)")
args = parser.parse_args()
AURChecker.check(args.folder)

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aur.py Normal file
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import certifi
import json
import urllib3
class AURPackage:
"""Representation of an Arch Linux User Repsitory (AUR) package."""
"""URL of the [AUR] website"""
AUR_URL = 'https://aur.archlinux.org'
"""URL-path for packages"""
PACKAGE_PATH = 'packages'
"""URL-path of RPC"""
RPC_PATH = 'rpc.php'
"""Parameters of RPC"""
RPC_PARAMS = 'type=info&arg='
def __init__(self, name):
"""Construct a new AUR package representation."""
self.name = name
self.version = None
self.desc = None
self.url = None
self.license = None
self.maintainer = None
self.votes = None
self.url_path = None
self.package_base = None
self.out_of_date = None
self.last_modified = None
self._load(name)
def _load(self, name):
"""Load package via API."""
# Construct URL
url = "{}/{}?{}{}".format(AURPackage.AUR_URL, AURPackage.RPC_PATH, AURPackage.RPC_PARAMS, name)
# Call API via https
https = urllib3.PoolManager(ca_certs=certifi.where())
# Get and parse response
response = https.request('GET', url)
if response.status == 200:
data = json.loads(response.data.decode('utf-8'))
if data['resultcount'] > 0:
values = data['results']
self.version = values['Version']
self.desc = values['Description']
self.url = values['URL']
self.license = values['License']
self.maintainer = values['Maintainer']
self.votes = values['NumVotes']
self.url_path = values['URLPath']
self.package_base = values['PackageBase']
self.out_of_date = values['OutOfDate']
self.last_modified = values['LastModified']
else:
print("error:", response.status)
def get_name(self):
"""Get name."""
return self.name
def get_version(self):
"""Get version."""
return self.version
def get_desc(self):
"""Get description."""
return self.desc
def get_url(self):
"""Get URL."""
return self.url
def get_license(self):
"""Get license."""
return self.license
def get_maintainer(self):
"""Get maintainer."""
return self.maintainer
def get_votes(self):
"""Get number of votes."""
return self.votes
def get_url_path(self):
"""Get URL path."""
return self.url_path
def get_package_base(self):
"""Get package base."""
return self.package_base
def get_out_of_date(self):
"""Get date the package was flagged as out-of-date."""
return self.out_of_date
def get_last_modified(self):
"""Get date of last modification."""
return self.last_modified