def find_unused_packages(self):
""" finds unused packages """
all_packages = Pkg.all_list()['list']
for pkg in all_packages:
try:
if Pkg.is_installed(pkg.data['name']):
if not Pkg.is_installed_manual(pkg.data['name']):
has_any_reverse_depends = False
reverse_depends = Pkg.load_version(
pkg.data['name'],
Pkg.installed_version(
pkg.data['name'])).get_reverse_depends()
for rdep in reverse_depends:
if rdep.installed():
rdep_is_in_unused_packages = False
for upkg in self.unused_packages:
if upkg.data['name'] == rdep.data['name']:
rdep_is_in_unused_packages = True
if not rdep_is_in_unused_packages:
has_any_reverse_depends = True
if not has_any_reverse_depends:
self.unused_packages.append(pkg)
except:
pass
def show(data: dict):
"""
shows package information from data dictonary.
Args:
data: (dict) package data dictonary
"""
output = ''
output += 'Name: ' + ansi.green + data['name'] + ansi.reset + '\n'
output += 'Version: ' + ansi.blue + data['version'] + ansi.reset + '\n'
output += 'Arch: ' + ansi.yellow + data['arch'] + ansi.reset + '\n'
try:
author = data['author']
output += 'Author: ' + ansi.header + author + ansi.reset + '\n'
except:
pass
try:
maintainer = data['maintainer']
output += 'Maintainer: ' + ansi.cyan + maintainer + ansi.reset + '\n'
except:
pass
try:
changed_by = data['changed-by']
output += 'Changed-By: ' + changed_by + '\n'
except:
pass
try:
uploaders = data['uploaders']
except:
uploaders = []
if uploaders:
output += 'Uploaders: '
for uploader in uploaders:
output += uploader + ', '
output = output[:len(output) - 2]
output += '\n'
try:
channel = data['channel']
output += 'Channel: ' + ansi.red + channel + ansi.reset + '\n'
except:
pass
try:
homepage = data['homepage']
output += 'Homepage: ' + ansi.blue + homepage + ansi.reset + '\n'
except:
pass
try:
category = data['category']
if category:
output += 'Categories: '
i = 0
while i < len(category):
output += ansi.bold + category[i] + ansi.reset
if i < len(category) - 1:
output += ', '
i += 1
output += '\n'
except:
pass
try:
description = data['description']
output += 'Description: ' + description + '\n'
except:
pass
try:
changes = data['changes']
output += 'Changes: ' + description + '\n'
except:
pass
try:
date = data['date']
output += 'Last-Update-Date: ' + date + '\n'
except:
pass
try:
urgency = data['urgency']
output += 'Update-Level: ' + urgency + '\n'
except:
pass
try:
essential = data['essential']
if essential:
essential = 'Yes'
else:
essential = 'No'
output += 'Essential: ' + essential + '\n'
except:
pass
try:
file_size = Pkg.get_download_size_str(data['file_size'])
output += 'Download-Size: ' + str(file_size) + '\n'
except:
pass
try:
installed_size = Pkg.get_download_size_str(data['installed-size'])
output += 'Installed-Size: ' + str(installed_size) + '\n'
except:
pass
try:
repo = data['repo']
output += 'Repository: ' + repo + '\n'
except:
pass
try:
depends = data['depends']
except:
depends = []
if depends:
output += 'Depends: '
for dep in depends:
output += ansi.bold + dep + ansi.reset + ', '
output = output[:len(output) - 2]
output += '\n'
try:
recommends = data['recommends']
except:
recommends = []
if recommends:
output += 'Recommends: '
for rec in recommends:
output += ansi.bold + rec + ansi.reset + ', '
output = output[:len(output) - 2]
output += '\n'
try:
conflicts = data['conflicts']
except:
conflicts = []
if conflicts:
output += 'Conflicts: '
for conflict in conflicts:
output += ansi.bold + conflict + ansi.reset + ', '
output = output[:len(output) - 2]
output += '\n'
try:
suggests = data['suggests']
except:
suggests = []
if suggests:
output += 'Suggests: '
for suggest in suggests:
output += ansi.bold + suggest + ansi.reset + ', '
output = output[:len(output) - 2]
output += '\n'
try:
enhances = data['enhances']
except:
enhances = []
if enhances:
output += 'Enhances: '
for enhance in enhances:
output += ansi.bold + enhance + ansi.reset + ', '
output = output[:len(output) - 2]
output += '\n'
try:
provides = data['provides']
except:
provides = []
if provides:
output += 'Provides: '
for provide in provides:
output += ansi.bold + provide + ansi.reset + ', '
output = output[:len(output) - 2]
output += '\n'
if Pkg.is_installed(data['name']):
installed_version = Pkg.installed_version(data['name'])
if Pkg.is_installed_manual(data['name']):
output += 'Installed-Manual: ' + installed_version + '\n'
else:
output += 'Installed: ' + installed_version + '\n'
# show user defined fields
for k in data:
if k[0] == 'x' or k[0] == 'X':
# that fields start with `x` character are user defined fields
output += '\n' + k + ': ' + data[k]
if output[-1] == '\n':
output = output[:len(output) - 1]
pr.p(output.strip())