fdroid-server/fdroidserver/lint.py

841 lines
26 KiB
Python

#!/usr/bin/env python3
#
# lint.py - part of the FDroid server tool
# Copyright (C) 2013-2014 Daniel Martí <mvdan@mvdan.cc>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# 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 th
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public Licen
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from argparse import ArgumentParser
import glob
import os
import re
import sys
import urllib.parse
from . import _
from . import common
from . import metadata
from . import rewritemeta
config = None
options = None
def enforce_https(domain):
return (re.compile(r'^http://([^/]*\.)?' + re.escape(domain) + r'(/.*)?', re.IGNORECASE),
domain + " URLs should always use https://")
https_enforcings = [
enforce_https('github.com'),
enforce_https('gitlab.com'),
enforce_https('bitbucket.org'),
enforce_https('apache.org'),
enforce_https('google.com'),
enforce_https('git.code.sf.net'),
enforce_https('svn.code.sf.net'),
enforce_https('anongit.kde.org'),
enforce_https('savannah.nongnu.org'),
enforce_https('git.savannah.nongnu.org'),
enforce_https('download.savannah.nongnu.org'),
enforce_https('savannah.gnu.org'),
enforce_https('git.savannah.gnu.org'),
enforce_https('download.savannah.gnu.org'),
enforce_https('github.io'),
enforce_https('gitlab.io'),
enforce_https('githubusercontent.com'),
]
def forbid_shortener(domain):
return (re.compile(r'https?://[^/]*' + re.escape(domain) + r'/.*'),
_("URL shorteners should not be used"))
http_url_shorteners = [
forbid_shortener('1url.com'),
forbid_shortener('adf.ly'),
forbid_shortener('bc.vc'),
forbid_shortener('bit.do'),
forbid_shortener('bit.ly'),
forbid_shortener('bitly.com'),
forbid_shortener('budurl.com'),
forbid_shortener('buzurl.com'),
forbid_shortener('cli.gs'),
forbid_shortener('cur.lv'),
forbid_shortener('cutt.us'),
forbid_shortener('db.tt'),
forbid_shortener('filoops.info'),
forbid_shortener('goo.gl'),
forbid_shortener('is.gd'),
forbid_shortener('ity.im'),
forbid_shortener('j.mp'),
forbid_shortener('l.gg'),
forbid_shortener('lnkd.in'),
forbid_shortener('moourl.com'),
forbid_shortener('ow.ly'),
forbid_shortener('para.pt'),
forbid_shortener('po.st'),
forbid_shortener('q.gs'),
forbid_shortener('qr.ae'),
forbid_shortener('qr.net'),
forbid_shortener('rdlnk.com'),
forbid_shortener('scrnch.me'),
forbid_shortener('short.nr'),
forbid_shortener('sn.im'),
forbid_shortener('snipurl.com'),
forbid_shortener('su.pr'),
forbid_shortener('t.co'),
forbid_shortener('tiny.cc'),
forbid_shortener('tinyarrows.com'),
forbid_shortener('tinyurl.com'),
forbid_shortener('tr.im'),
forbid_shortener('tweez.me'),
forbid_shortener('twitthis.com'),
forbid_shortener('twurl.nl'),
forbid_shortener('tyn.ee'),
forbid_shortener('u.bb'),
forbid_shortener('u.to'),
forbid_shortener('ur1.ca'),
forbid_shortener('urlof.site'),
forbid_shortener('v.gd'),
forbid_shortener('vzturl.com'),
forbid_shortener('x.co'),
forbid_shortener('xrl.us'),
forbid_shortener('yourls.org'),
forbid_shortener('zip.net'),
forbid_shortener('✩.ws'),
forbid_shortener('➡.ws'),
]
http_checks = https_enforcings + http_url_shorteners + [
(re.compile(r'^(?!https?://)[^/]+'),
_("URL must start with https:// or http://")),
(re.compile(r'^https://(github|gitlab)\.com(/[^/]+){2,3}\.git'),
_("Appending .git is not necessary")),
(re.compile(r'^https://[^/]*(github|gitlab|bitbucket|rawgit|githubusercontent)\.[a-zA-Z]+/([^/]+/){2,3}master/'),
_("Use /HEAD instead of /master to point at a file in the default branch")),
]
regex_checks = {
'WebSite': http_checks,
'SourceCode': http_checks,
'Repo': https_enforcings,
'UpdateCheckMode': https_enforcings,
'IssueTracker': http_checks + [
(re.compile(r'.*github\.com/[^/]+/[^/]+/*$'),
_("/issues is missing")),
(re.compile(r'.*gitlab\.com/[^/]+/[^/]+/*$'),
_("/issues is missing")),
],
'Donate': http_checks + [
(re.compile(r'.*flattr\.com'),
_("Flattr donation methods belong in the FlattrID: field")),
(re.compile(r'.*liberapay\.com'),
_("Liberapay donation methods belong in the Liberapay: field")),
(re.compile(r'.*opencollective\.com'),
_("OpenCollective donation methods belong in the OpenCollective: field")),
],
'Changelog': http_checks,
'Author Name': [
(re.compile(r'^\s'),
_("Unnecessary leading space")),
(re.compile(r'.*\s$'),
_("Unnecessary trailing space")),
],
'Summary': [
(re.compile(r'.*\b(free software|open source)\b.*', re.IGNORECASE),
_("No need to specify that the app is Free Software")),
(re.compile(r'.*((your|for).*android|android.*(app|device|client|port|version))', re.IGNORECASE),
_("No need to specify that the app is for Android")),
(re.compile(r'.*[a-z0-9][.!?]( |$)'),
_("Punctuation should be avoided")),
(re.compile(r'^\s'),
_("Unnecessary leading space")),
(re.compile(r'.*\s$'),
_("Unnecessary trailing space")),
],
'Description': https_enforcings + http_url_shorteners + [
(re.compile(r'\s*[*#][^ .]'),
_("Invalid bulleted list")),
(re.compile(r'https://f-droid.org/[a-z][a-z](_[A-Za-z]{2,4})?/'),
_("Locale included in f-droid.org URL")),
(re.compile(r'^\s'),
_("Unnecessary leading space")),
(re.compile(r'.*\s$'),
_("Unnecessary trailing space")),
(re.compile(r'.*<(applet|base|body|button|embed|form|head|html|iframe|img|input|link|object|picture|script|source|style|svg|video).*', re.IGNORECASE),
_("Forbidden HTML tags")),
(re.compile(r'''.*\s+src=["']javascript:.*'''),
_("Javascript in HTML src attributes")),
],
}
locale_pattern = re.compile(r'^[a-z]{2,3}(-[A-Z][A-Z])?$')
def check_regexes(app):
for f, checks in regex_checks.items():
for m, r in checks:
v = app.get(f)
t = metadata.fieldtype(f)
if t == metadata.TYPE_MULTILINE:
for line in v.splitlines():
if m.match(line):
yield "%s at line '%s': %s" % (f, line, r)
else:
if v is None:
continue
if m.match(v):
yield "%s '%s': %s" % (f, v, r)
def get_lastbuild(builds):
lowest_vercode = -1
lastbuild = None
for build in builds:
if not build.disable:
vercode = int(build.versionCode)
if lowest_vercode == -1 or vercode < lowest_vercode:
lowest_vercode = vercode
if not lastbuild or int(build.versionCode) > int(lastbuild.versionCode):
lastbuild = build
return lastbuild
def check_update_check_data_url(app):
"""UpdateCheckData must have a valid HTTPS URL to protect checkupdates runs
"""
if app.UpdateCheckData:
urlcode, codeex, urlver, verex = app.UpdateCheckData.split('|')
for url in (urlcode, urlver):
if url != '.':
parsed = urllib.parse.urlparse(url)
if not parsed.scheme or not parsed.netloc:
yield _('UpdateCheckData not a valid URL: {url}').format(url=url)
if parsed.scheme != 'https':
yield _('UpdateCheckData must use HTTPS URL: {url}').format(url=url)
def check_vercode_operation(app):
if app.VercodeOperation and not common.VERCODE_OPERATION_RE.match(app.VercodeOperation):
yield _('Invalid VercodeOperation: {field}').format(field=app.VercodeOperation)
def check_ucm_tags(app):
lastbuild = get_lastbuild(app.builds)
if (lastbuild is not None
and lastbuild.commit
and app.UpdateCheckMode == 'RepoManifest'
and not lastbuild.commit.startswith('unknown')
and lastbuild.versionCode == app.CurrentVersionCode
and not lastbuild.forcevercode
and any(s in lastbuild.commit for s in '.,_-/')):
yield _("Last used commit '{commit}' looks like a tag, but Update Check Mode is '{ucm}'")\
.format(commit=lastbuild.commit, ucm=app.UpdateCheckMode)
def check_char_limits(app):
limits = config['char_limits']
if len(app.Summary) > limits['summary']:
yield _("Summary of length {length} is over the {limit} char limit")\
.format(length=len(app.Summary), limit=limits['summary'])
if len(app.Description) > limits['description']:
yield _("Description of length {length} is over the {limit} char limit")\
.format(length=len(app.Description), limit=limits['description'])
def check_old_links(app):
usual_sites = [
'github.com',
'gitlab.com',
'bitbucket.org',
]
old_sites = [
'gitorious.org',
'code.google.com',
]
if any(s in app.Repo for s in usual_sites):
for f in ['WebSite', 'SourceCode', 'IssueTracker', 'Changelog']:
v = app.get(f)
if any(s in v for s in old_sites):
yield _("App is in '{repo}' but has a link to {url}")\
.format(repo=app.Repo, url=v)
def check_useless_fields(app):
if app.UpdateCheckName == app.id:
yield _("Update Check Name is set to the known app id - it can be removed")
filling_ucms = re.compile(r'^(Tags.*|RepoManifest.*)')
def check_checkupdates_ran(app):
if filling_ucms.match(app.UpdateCheckMode):
if not app.AutoName and not app.CurrentVersion and app.CurrentVersionCode == '0':
yield _("UCM is set but it looks like checkupdates hasn't been run yet")
def check_empty_fields(app):
if not app.Categories:
yield _("Categories are not set")
all_categories = set([
"Connectivity",
"Development",
"Games",
"Graphics",
"Internet",
"Money",
"Multimedia",
"Navigation",
"Phone & SMS",
"Reading",
"Science & Education",
"Security",
"Sports & Health",
"System",
"Theming",
"Time",
"Writing",
])
def check_categories(app):
for categ in app.Categories:
if categ not in all_categories:
yield _("Categories '%s' is not valid" % categ)
def check_duplicates(app):
if app.Name and app.Name == app.AutoName:
yield _("Name '%s' is just the auto name - remove it") % app.Name
links_seen = set()
for f in ['Source Code', 'Web Site', 'Issue Tracker', 'Changelog']:
v = app.get(f)
if not v:
continue
v = v.lower()
if v in links_seen:
yield _("Duplicate link in '{field}': {url}").format(field=f, url=v)
else:
links_seen.add(v)
name = app.Name or app.AutoName
if app.Summary and name:
if app.Summary.lower() == name.lower():
yield _("Summary '%s' is just the app's name") % app.Summary
if app.Summary and app.Description and len(app.Description) == 1:
if app.Summary.lower() == app.Description[0].lower():
yield _("Description '%s' is just the app's summary") % app.Summary
seenlines = set()
for line in app.Description.splitlines():
if len(line) < 1:
continue
if line in seenlines:
yield _("Description has a duplicate line")
seenlines.add(line)
desc_url = re.compile(r'(^|[^[])\[([^ ]+)( |\]|$)')
def check_mediawiki_links(app):
wholedesc = ' '.join(app.Description)
for um in desc_url.finditer(wholedesc):
url = um.group(1)
for m, r in http_checks:
if m.match(url):
yield _("URL {url} in Description: {error}").format(url=url, error=r)
def check_bulleted_lists(app):
validchars = ['*', '#']
lchar = ''
lcount = 0
for line in app.Description.splitlines():
if len(line) < 1:
lcount = 0
continue
if line[0] == lchar and line[1] == ' ':
lcount += 1
if lcount > 2 and lchar not in validchars:
yield _("Description has a list (%s) but it isn't bulleted (*) nor numbered (#)") % lchar
break
else:
lchar = line[0]
lcount = 1
def check_builds(app):
supported_flags = set(metadata.build_flags)
# needed for YAML and JSON
for build in app.builds:
if build.disable:
if build.disable.startswith('Generated by import.py'):
yield _("Build generated by `fdroid import` - remove disable line once ready")
continue
for s in ['master', 'origin', 'HEAD', 'default', 'trunk']:
if build.commit and build.commit.startswith(s):
yield _("Branch '{branch}' used as commit in build '{versionName}'")\
.format(branch=s, versionName=build.versionName)
for srclib in build.srclibs:
if '@' in srclib:
ref = srclib.split('@')[1].split('/')[0]
if ref.startswith(s):
yield _("Branch '{branch}' used as commit in srclib '{srclib}'")\
.format(branch=s, srclib=srclib)
else:
yield _('srclibs missing name and/or @') + ' (srclibs: ' + srclib + ')'
for key in build.keys():
if key not in supported_flags:
yield _('%s is not an accepted build field') % key
def check_files_dir(app):
dir_path = os.path.join('metadata', app.id)
if not os.path.isdir(dir_path):
return
files = set()
for name in os.listdir(dir_path):
path = os.path.join(dir_path, name)
if not (os.path.isfile(path) or name == 'signatures' or locale_pattern.match(name)):
yield _("Found non-file at %s") % path
continue
files.add(name)
used = {'signatures', }
for build in app.builds:
for fname in build.patch:
if fname not in files:
yield _("Unknown file '{filename}' in build '{versionName}'")\
.format(filename=fname, versionName=build.versionName)
else:
used.add(fname)
for name in files.difference(used):
if locale_pattern.match(name):
continue
yield _("Unused file at %s") % os.path.join(dir_path, name)
def check_format(app):
if options.format and not rewritemeta.proper_format(app):
yield _("Run rewritemeta to fix formatting")
def check_license_tag(app):
'''Ensure all license tags contain only valid/approved values'''
if config['lint_licenses'] is None:
return
if app.License not in config['lint_licenses']:
if config['lint_licenses'] == APPROVED_LICENSES:
yield _('Unexpected license tag "{}"! Only use FSF or OSI '
'approved tags from https://spdx.org/license-list') \
.format(app.License)
else:
yield _('Unexpected license tag "{}"! Only use license tags '
'configured in your config file').format(app.License)
def check_extlib_dir(apps):
dir_path = os.path.join('build', 'extlib')
unused_extlib_files = set()
for root, dirs, files in os.walk(dir_path):
for name in files:
unused_extlib_files.add(os.path.join(root, name)[len(dir_path) + 1:])
used = set()
for app in apps:
for build in app.builds:
for path in build.extlibs:
if path not in unused_extlib_files:
yield _("{appid}: Unknown extlib {path} in build '{versionName}'")\
.format(appid=app.id, path=path, versionName=build.versionName)
else:
used.add(path)
for path in unused_extlib_files.difference(used):
if any(path.endswith(s) for s in [
'.gitignore',
'source.txt', 'origin.txt', 'md5.txt',
'LICENSE', 'LICENSE.txt',
'COPYING', 'COPYING.txt',
'NOTICE', 'NOTICE.txt',
]):
continue
yield _("Unused extlib at %s") % os.path.join(dir_path, path)
def check_app_field_types(app):
"""Check the fields have valid data types"""
for field in app.keys():
v = app.get(field)
t = metadata.fieldtype(field)
if v is None:
continue
elif field == 'builds':
if not isinstance(v, list):
yield(_("{appid}: {field} must be a '{type}', but it is a '{fieldtype}'!")
.format(appid=app.id, field=field,
type='list', fieldtype=v.__class__.__name__))
elif t == metadata.TYPE_LIST and not isinstance(v, list):
yield(_("{appid}: {field} must be a '{type}', but it is a '{fieldtype}!'")
.format(appid=app.id, field=field,
type='list', fieldtype=v.__class__.__name__))
elif t == metadata.TYPE_STRING and not type(v) in (str, bool, dict):
yield(_("{appid}: {field} must be a '{type}', but it is a '{fieldtype}'!")
.format(appid=app.id, field=field,
type='str', fieldtype=v.__class__.__name__))
def check_for_unsupported_metadata_files(basedir=""):
"""Checks whether any non-metadata files are in metadata/"""
global config
return_value = False
formats = config['accepted_formats']
for f in glob.glob(basedir + 'metadata/*') + glob.glob(basedir + 'metadata/.*'):
if os.path.isdir(f):
exists = False
for t in formats:
exists = exists or os.path.exists(f + '.' + t)
if not exists:
print(_('"%s/" has no matching metadata file!') % f)
return_value = True
elif os.path.splitext(f)[1][1:] in formats:
packageName = os.path.splitext(os.path.basename(f))[0]
if not common.is_valid_package_name(packageName):
print('"' + packageName + '" is an invalid package name!\n'
+ 'https://developer.android.com/studio/build/application-id')
return_value = True
else:
print('"' + f.replace(basedir, '')
+ '" is not a supported file format: (' + ','.join(formats) + ')')
return_value = True
return return_value
def check_current_version_code(app):
"""Check that the CurrentVersionCode is currently available"""
archive_policy = app.get('ArchivePolicy')
if archive_policy and archive_policy.split()[0] == "0":
return
cv = app.get('CurrentVersionCode')
if cv is not None and int(cv) == 0:
return
builds = app.get('builds')
active_builds = 0
min_versionCode = None
if builds:
for build in builds:
vc = int(build['versionCode'])
if min_versionCode is None or min_versionCode > vc:
min_versionCode = vc
if not build.get('disable'):
active_builds += 1
if cv == build['versionCode']:
break
if active_builds == 0:
return # all builds are disabled
if cv is not None and int(cv) < min_versionCode:
yield(_('CurrentVersionCode {cv} is less than oldest build entry {versionCode}')
.format(cv=cv, versionCode=min_versionCode))
def main():
global config, options
# Parse command line...
parser = ArgumentParser(usage="%(prog)s [options] [APPID [APPID ...]]")
common.setup_global_opts(parser)
parser.add_argument("-f", "--format", action="store_true", default=False,
help=_("Also warn about formatting issues, like rewritemeta -l"))
parser.add_argument('--force-yamllint', action="store_true", default=False,
help=_("When linting the entire repository yamllint is disabled by default. "
"This option forces yamllint regardless."))
parser.add_argument("appid", nargs='*', help=_("applicationId in the form APPID"))
metadata.add_metadata_arguments(parser)
options = parser.parse_args()
metadata.warnings_action = options.W
config = common.read_config(options)
# Get all apps...
allapps = metadata.read_metadata(xref=True)
apps = common.read_app_args(options.appid, allapps, False)
anywarns = check_for_unsupported_metadata_files()
apps_check_funcs = []
if len(options.appid) == 0:
# otherwise it finds tons of unused extlibs
apps_check_funcs.append(check_extlib_dir)
for check_func in apps_check_funcs:
for warn in check_func(apps.values()):
anywarns = True
print(warn)
for appid, app in apps.items():
if app.Disabled:
continue
if options.force_yamllint:
import yamllint # throw error if it is not installed
yamllint # make pyflakes ignore this
# only run yamllint when linting individual apps.
if len(options.appid) > 0 or options.force_yamllint:
# run yamllint on app metadata
ymlpath = os.path.join('metadata', appid + '.yml')
if os.path.isfile(ymlpath):
yamllintresult = common.run_yamllint(ymlpath)
if yamllintresult != '':
print(yamllintresult)
# run yamllint on srclib metadata
srclibs = set()
for build in app.builds:
for srclib in build.srclibs:
srclibs.add(srclib)
for srclib in srclibs:
name, ref, number, subdir = common.parse_srclib_spec(srclib)
srclibpath = os.path.join('srclibs', name + '.yml')
if os.path.isfile(srclibpath):
yamllintresult = common.run_yamllint(srclibpath)
if yamllintresult != '':
print(yamllintresult)
app_check_funcs = [
check_app_field_types,
check_regexes,
check_update_check_data_url,
check_vercode_operation,
check_ucm_tags,
check_char_limits,
check_old_links,
check_checkupdates_ran,
check_useless_fields,
check_empty_fields,
check_categories,
check_duplicates,
check_mediawiki_links,
check_bulleted_lists,
check_builds,
check_files_dir,
check_format,
check_license_tag,
check_current_version_code,
]
for check_func in app_check_funcs:
for warn in check_func(app):
anywarns = True
print("%s: %s" % (appid, warn))
if anywarns:
sys.exit(1)
# A compiled, public domain list of official SPDX license tags. generated
# using: `python3 -m spdx_license_list print --filter-fsf-or-osi` Only contains
# licenes approved by either FSF to be free/libre software or OSI to be open
# source
APPROVED_LICENSES = [
'0BSD',
'AAL',
'AFL-1.1',
'AFL-1.2',
'AFL-2.0',
'AFL-2.1',
'AFL-3.0',
'AGPL-3.0-only',
'AGPL-3.0-or-later',
'APL-1.0',
'APSL-1.0',
'APSL-1.1',
'APSL-1.2',
'APSL-2.0',
'Apache-1.0',
'Apache-1.1',
'Apache-2.0',
'Artistic-1.0',
'Artistic-1.0-Perl',
'Artistic-1.0-cl8',
'Artistic-2.0',
'Beerware',
'BSD-2-Clause',
'BSD-2-Clause-FreeBSD',
'BSD-2-Clause-Patent',
'BSD-3-Clause',
'BSD-3-Clause-Clear',
'BSD-3-Clause-LBNL',
'BSD-4-Clause',
'BSL-1.0',
'BitTorrent-1.1',
'CATOSL-1.1',
'CC-BY-4.0',
'CC-BY-SA-4.0',
'CC0-1.0',
'CDDL-1.0',
'CECILL-2.0',
'CECILL-2.1',
'CECILL-B',
'CECILL-C',
'CNRI-Python',
'CPAL-1.0',
'CPL-1.0',
'CUA-OPL-1.0',
'ClArtistic',
'Condor-1.1',
'ECL-1.0',
'ECL-2.0',
'EFL-1.0',
'EFL-2.0',
'EPL-1.0',
'EPL-2.0',
'EUDatagrid',
'EUPL-1.1',
'EUPL-1.2',
'Entessa',
'FSFAP',
'FTL',
'Fair',
'Frameworx-1.0',
'GFDL-1.1-only',
'GFDL-1.1-or-later',
'GFDL-1.2-only',
'GFDL-1.2-or-later',
'GFDL-1.3-only',
'GFDL-1.3-or-later',
'GPL-2.0-only',
'GPL-2.0-or-later',
'GPL-3.0-only',
'GPL-3.0-or-later',
'HPND',
'IJG',
'IPA',
'IPL-1.0',
'ISC',
'Imlib2',
'Intel',
'LGPL-2.0-only',
'LGPL-2.0-or-later',
'LGPL-2.1-only',
'LGPL-2.1-or-later',
'LGPL-3.0-only',
'LGPL-3.0-or-later',
'LPL-1.0',
'LPL-1.02',
'LPPL-1.2',
'LPPL-1.3a',
'LPPL-1.3c',
'LiLiQ-P-1.1',
'LiLiQ-R-1.1',
'LiLiQ-Rplus-1.1',
'MIT',
'MIT-0',
'MIT-CMU',
'MPL-1.0',
'MPL-1.1',
'MPL-2.0',
'MPL-2.0-no-copyleft-exception',
'MS-PL',
'MS-RL',
'MirOS',
'Motosoto',
'Multics',
'NASA-1.3',
'NCSA',
'NGPL',
'NOSL',
'NPL-1.0',
'NPL-1.1',
'NPOSL-3.0',
'NTP',
'Naumen',
'Nokia',
'OCLC-2.0',
'ODbL-1.0',
'OFL-1.0',
'OFL-1.1',
'OGTSL',
'OLDAP-2.3',
'OLDAP-2.7',
'OSET-PL-2.1',
'OSL-1.0',
'OSL-1.1',
'OSL-2.0',
'OSL-2.1',
'OSL-3.0',
'OpenSSL',
'PHP-3.0',
'PHP-3.01',
'PostgreSQL',
'Python-2.0',
'QPL-1.0',
'RPL-1.1',
'RPL-1.5',
'RPSL-1.0',
'RSCPL',
'Ruby',
'SGI-B-2.0',
'SISSL',
'SMLNJ',
'SPL-1.0',
'SimPL-2.0',
'Sleepycat',
'UPL-1.0',
'Unlicense',
'VSL-1.0',
'Vim',
'W3C',
'WTFPL',
'Watcom-1.0',
'X11',
'XFree86-1.1',
'Xnet',
'XSkat',
'YPL-1.1',
'ZPL-2.0',
'ZPL-2.1',
'Zend-2.0',
'Zimbra-1.3',
'Zlib',
'gnuplot',
'iMatix',
'xinetd',
]
# an F-Droid addition, until we can enforce a better option
APPROVED_LICENSES.append("PublicDomain")
if __name__ == "__main__":
main()