Source code for woob.core.repositories

# Copyright(C) 2010-2023 Romain Bignon
# This file is part of woob.
# woob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# woob is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# GNU Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public License
# along with woob. If not, see <>.

import importlib
import posixpath
import shutil
import re
import sys
import os
import subprocess
import hashlib
from compileall import compile_dir
from contextlib import closing, contextmanager
from datetime import datetime
from io import BytesIO, StringIO
from pathlib import Path
from tempfile import NamedTemporaryFile, mkdtemp
from urllib.request import getproxies
from configparser import RawConfigParser, DEFAULTSECT
import tarfile

import packaging.version
from packaging.specifiers import SpecifierSet

from woob.browser.browsers import Browser
from woob.browser.profiles import Woob as WoobProfile
from woob.exceptions import BrowserHTTPError, BrowserHTTPNotFound, ModuleInstallError
from import getLogger
from import get_backtrace, to_unicode, find_exe
from import parse_requirements

from .modules import LoadedModule, _add_in_modules_path

[docs]@contextmanager def open_for_config(filename): f = NamedTemporaryFile( mode='w', encoding='utf-8', dir=os.path.dirname(filename), delete=False ) with f: yield f os.replace(, filename)
[docs]class ModuleInfo: """ Information about a module available on a repository. """ def __init__(self, name): = name # path to the local directory containing this module. self.path = None self.url = None self.repo_url = None self.signed = False self.version = 0 self.capabilities = () self.dependencies = () self.description = '' self.maintainer = '' self.license = '' self.icon = '' self.woob_spec = None
[docs] def load(self, items): self.version = int(items['version']) self.capabilities = items['capabilities'].split() self.dependencies = items.get('dependencies', '').split() self.description = to_unicode(items['description']) self.maintainer = to_unicode(items['maintainer']) self.license = to_unicode(items['license']) self.icon = items['icon'].strip() or None self.woob_spec = SpecifierSet(items.get('woob_spec', ''))
[docs] def has_caps(self, *caps): """Return True if module implements at least one of the caps.""" if len(caps) == 1 and isinstance(caps[0], (list, tuple)): caps = caps[0] for c in caps: if type(c) == type: c = c.__name__ if c in self.capabilities: return True return False
[docs] def is_installed(self): return self.path is not None
[docs] def is_local(self): return self.url is None
[docs] def dump(self): return (('version', self.version), ('capabilities', ' '.join(self.capabilities)), ('dependencies', ' '.join(self.dependencies)), ('description', self.description), ('maintainer', self.maintainer), ('license', self.license), ('icon', self.icon or ''), ('woob_spec', str(self.woob_spec)), )
[docs]class RepositoryUnavailable(Exception): """ Repository in not available. """
[docs]class Repository: """ Represents a repository. """ INDEX = 'modules.list' KEYDIR = '.keys' KEYRING = 'trusted.gpg' def __init__(self, url): self.url = url = '' self.update = 0 self.maintainer = '' self.local = None self.signed = False self.key_update = 0 self.obsolete = False self.logger = getLogger(f'{__name__}.repository') self.errors = {} self.modules = {} if self.url.startswith('file://'): self.local = True elif re.match('https?://.*', self.url): self.local = False else: # This is probably a file in ~/.woob/repositories/, we # don't know if this is a local or a remote repository. with open(self.url, 'r', encoding='utf-8') as fp: self.parse_index(fp) def __repr__(self): return f'<Repository {}>'
[docs] def localurl2path(self): """ Get a local path of a file:// URL. """ assert self.local is True if self.url.startswith('file://'): return self.url[len('file://'):] return self.url
[docs] def retrieve_index(self, browser, repo_path): """ Retrieve the index file of this repository. It can use network if this is a remote repository. :param repo_path: path to save the downloaded index file (if any). :type repo_path: str or None """ built = False if self.local: # Repository is local, open the file. filename = os.path.join(self.localurl2path(), self.INDEX) try: fp = open(filename, 'r', encoding='utf-8') except IOError: # This local repository doesn't contain a built modules.list index. = Repositories.url2filename(self.url) self.build_index(self.localurl2path(), filename) built = True fp = open(filename, 'r', encoding='utf-8') else: # This is a remote repository, download file try: fp = StringIO(, self.INDEX)).text) except BrowserHTTPError as e: raise RepositoryUnavailable(str(e)) from e self.parse_index(fp) fp.close() # this value can be changed by parse_index if self.local and not built: # Always rebuild index of a local repository. self.build_index(self.localurl2path(), filename) # Save the repository index in ~/.woob/repositories/ if repo_path:, private=True)
[docs] def retrieve_keyring(self, browser, keyring_path, progress): # ignore local if self.local: return keyring = Keyring(keyring_path) # prevent previously signed repos from going unsigned if not self.signed and keyring.exists(): raise RepositoryUnavailable('Previously signed repository can not go unsigned') if not self.signed: return if not keyring.exists() or self.key_update > keyring.version: # This is a remote repository, download file try: keyring_data =, self.KEYRING)).content sig_data =, self.KEYRING + '.sig')).content except BrowserHTTPError as e: raise RepositoryUnavailable(str(e)) from e if keyring.exists(): if not keyring.is_valid(keyring_data, sig_data): raise InvalidSignature('the keyring itself') progress.progress(0.0, 'The keyring was updated (and validated by the previous one).') elif not progress.prompt( f'The repository {self.url} isn\'t trusted yet.\n' f'Fingerprint of keyring is {hashlib.sha1(keyring_data).hexdigest()}\n' 'Are you sure you want to continue?' ): raise RepositoryUnavailable('Repository not trusted'), self.key_update) progress.progress(0.0, str(keyring))
[docs] def parse_index(self, fp): """ Parse index of a repository :param fp: file descriptor to read :type fp: buffer """ config = RawConfigParser() config.read_file(fp) # Read default parameters items = dict(config.items(DEFAULTSECT)) try: = items['name'] self.update = int(items['update']) self.maintainer = items['maintainer'] self.signed = bool(int(items.get('signed', '0'))) self.key_update = int(items.get('key_update', '0')) self.obsolete = bool(int(items.get('obsolete', '0'))) except KeyError as e: raise RepositoryUnavailable(f'Missing global parameters in repository: {e}') from e except ValueError as e: raise RepositoryUnavailable(f'Incorrect value in repository parameters: {e}') from e if len( == 0: raise RepositoryUnavailable('Name is empty') if 'url' in items: self.url = items['url'] self.local = self.url.startswith('file://') elif self.local is None: raise RepositoryUnavailable('Missing "url" key in settings') # Load modules self.modules.clear() for section in config.sections(): module = ModuleInfo(section) module.load(dict(config.items(section))) if not self.local: module.url = posixpath.join(self.url, f'{}.tar.gz') module.repo_url = self.url module.signed = self.signed self.modules[section] = module
[docs] def build_index(self, path, filename): """ Rebuild index of modules of repository. :param path: path of the repository :type path: str :param filename: file to save index :type filename: str """ self.logger.debug('Rebuild index') self.modules.clear() self.errors.clear() _add_in_modules_path(path) if os.path.isdir(os.path.join(path, self.KEYDIR)): self.signed = True self.key_update = self.get_tree_mtime(os.path.join(path, self.KEYDIR), True) else: self.signed = False self.key_update = 0 for name in sorted(os.listdir(path)): module_path = os.path.join(path, name) # Check for special cases. if ( name.startswith('.') # ".", "..", and private files and dirs or name.startswith('_') or name.endswith('_') or name == self.KEYDIR ): continue # Check if the module is indeed a module. if os.path.isdir(module_path): if not os.path.exists(os.path.join(module_path, '')): continue else: basename = os.path.basename(module_path).casefold() if not basename.endswith('.py') or len(basename) < 3: continue name = name[:-3] try: pymodule = importlib.import_module(f'woob_modules.{name}') module = LoadedModule(pymodule) except Exception as e: # noqa self.logger.warning('Unable to build module %s: [%s] %s', name, type(e).__name__, e) bt = get_backtrace(e) self.logger.debug(bt) self.errors[name] = bt else: m = ModuleInfo( m.version = self.get_tree_mtime(module_path) m.capabilities = list({c.__name__ for c in module.iter_caps()}) m.dependencies = module.dependencies m.description = module.description m.maintainer = module.maintainer m.license = module.license m.icon = module.icon or '' module_path = Path(module.path) if not os.path.isdir(module_path): module_path = module_path.parent requirements = parse_requirements(module_path / 'requirements.txt') m.woob_spec = requirements.get('woob', '') self.modules[] = m self.update = int('%Y%m%d%H%M'))
[docs] @staticmethod def get_tree_mtime(path, include_root=False): mtime = 0 if include_root or not os.path.isdir(path): mtime = int(datetime.fromtimestamp(os.path.getmtime(path)).strftime('%Y%m%d%H%M')) for root, _, files in os.walk(path): for f in files: if f.endswith('.pyc'): continue m = int(datetime.fromtimestamp(os.path.getmtime(os.path.join(root, f))).strftime('%Y%m%d%H%M')) mtime = max(mtime, m) return mtime
[docs] def save(self, filename, private=False): """ Save repository into a file (modules.list for example). :param filename: path to file to save repository. :type filename: str :param private: if enabled, save URL of repository. :type private: bool """ config = RawConfigParser() config.set(DEFAULTSECT, 'name', config.set(DEFAULTSECT, 'update', self.update) config.set(DEFAULTSECT, 'maintainer', self.maintainer) config.set(DEFAULTSECT, 'signed', int(self.signed)) config.set(DEFAULTSECT, 'key_update', self.key_update) if private: config.set(DEFAULTSECT, 'url', self.url) for module in self.modules.values(): config.add_section( for key, value in module.dump(): config.set(, key, value) with open_for_config(filename) as f: config.write(f)
[docs]class Versions: VERSIONS_LIST = 'versions.list' def __init__(self, path): self.path = path self.versions = {} config_filename = os.path.join(self.path, self.VERSIONS_LIST) try: with open(config_filename, 'r', encoding='utf-8') as fp: config = RawConfigParser() config.read_file(fp, config_filename) # Read default parameters for key, value in config.items(DEFAULTSECT): self.versions[key] = int(value) except IOError: pass
[docs] def get(self, name): return self.versions.get(name, None)
[docs] def set(self, name, version): self.versions[name] = int(version)
[docs] def save(self): config = RawConfigParser() for name, version in self.versions.items(): config.set(DEFAULTSECT, name, version) with open_for_config(os.path.join(self.path, self.VERSIONS_LIST)) as fp: config.write(fp)
[docs]class IProgress:
[docs] def progress(self, percent, message): raise NotImplementedError()
[docs] def error(self, message): raise NotImplementedError()
[docs] def prompt(self, message): raise NotImplementedError()
def __repr__(self): return f'<{self.__class__.__name__}>'
[docs]class PrintProgress(IProgress):
[docs] def progress(self, percent, message): print('=== [%3.0f%%] %s' % (percent*100, message), file=sys.stderr)
[docs] def error(self, message): print(f'ERROR: {message}', file=sys.stderr)
[docs] def prompt(self, message): print(f'{message} (Y/n): *** ASSUMING YES ***', file=sys.stderr) return True
[docs]class SubProgress(IProgress): def __init__(self, target, steps): = target self.steps = steps self.current = 0
[docs] def progress(self, percent, message): return + percent) / self.steps, message)
def __getattr__(self, attr): return getattr(, attr)
[docs]def recursive_deps(direct_deps, key, result=None): """ take a dict of direct dependencies and get all dependencies of an element >>> recursive_deps({1: {2, 3}, 2: {3}, 3: {4}, 4: set()}, 1) {2, 3, 4} """ if result is None: result = set() for sub in direct_deps[key]: if sub not in result: result.add(sub) recursive_deps(direct_deps, sub, result) return result
[docs]class DepList(list):
[docs] def move_value_after(self, val, afters): # push an element after all its dependencies for pos in range(len(self) - 1, -1, -1): if self[pos] == val: # already after return if self[pos] in afters: break else: raise AssertionError() current = self.index(val) self.insert(pos + 1, val) del self[current]
[docs]def dependency_sort(deps_rules): """ >>> dependency_sort({1: {2}, 2: {4}, 3: set(), 4: {3}}) [3, 4, 2, 1] """ # naive but maybe good enough? result = DepList(deps_rules) deps_rules = dict(deps_rules) for key in deps_rules: deps = recursive_deps(deps_rules, key) result.move_value_after(key, deps) return result
DEFAULT_SOURCES_LIST = \ """# List of woob repositories # # The entries below override the entries above (with # backends of the same name). # DEVELOPMENT # If you want to hack on woob modules, you may add a # reference to sources, for example: #file:///home/rom1/src/woob/woob_modules/ """
[docs]class Repositories: SOURCES_LIST = 'sources.list' MODULES_DIR = 'modules' MODULES_SUBDIR = 'woob_modules' REPOS_DIR = 'repositories' KEYRINGS_DIR = 'keyrings' ICONS_DIR = 'icons' SHARE_DIRS = [MODULES_DIR, REPOS_DIR, KEYRINGS_DIR, ICONS_DIR] def __init__(self, workdir, datadir, version): self.logger = getLogger(f"{__name__}.repositories") self.version = version self.browser = None self.workdir = workdir self.datadir = datadir self.sources_list = os.path.join(self.workdir, self.SOURCES_LIST) self.modules_dir = os.path.join(self.datadir, self.MODULES_DIR, self.version, self.MODULES_SUBDIR) self.repos_dir = os.path.join(self.datadir, self.REPOS_DIR) self.keyrings_dir = os.path.join(self.datadir, self.KEYRINGS_DIR) self.icons_dir = os.path.join(self.datadir, self.ICONS_DIR) self.create_dir(self.datadir) self.create_dir(self.modules_dir) self.create_namespace_package(self.modules_dir) self.create_dir(self.repos_dir) self.create_dir(self.keyrings_dir) self.create_dir(self.icons_dir) self.versions = Versions(self.modules_dir) self.repositories = [] if not os.path.exists(self.sources_list): with open_for_config(self.sources_list) as f: f.write(DEFAULT_SOURCES_LIST) self.update() else: self.load()
[docs] def load_browser(self): class WoobBrowser(Browser): PROFILE = WoobProfile(self.version) if self.browser is None: self.browser = WoobBrowser( logger=getLogger('browser', parent=self.logger), proxy=getproxies())
[docs] def create_dir(self, name): if not os.path.exists(name): os.makedirs(name) elif not os.path.isdir(name): self.logger.error('"%s" is not a directory', name)
namespace_package_content = "from pkgutil import extend_path\n__path__ = extend_path(__path__, __name__)\n"
[docs] def create_namespace_package(self, path): pypath = os.path.join(path, '') if os.path.exists(pypath): with open(pypath, 'r', encoding='utf-8') as fd: create_file = ( != self.namespace_package_content) else: create_file = True if create_file: with open(pypath, 'wt', encoding='utf-8') as fd: fd.write(self.namespace_package_content)
def _extend_module_info(self, repo, info): if repo.local: info.path = repo.localurl2path() elif self.versions.get( is not None: info.path = self.modules_dir return info
[docs] def get_all_modules_info(self, caps=None): """ Get all ModuleInfo instances available. :param caps: filter on capabilities: :type caps: list[str] :rtype: dict[:class:`ModuleInfo`] """ modules = {} for repos in reversed(self.repositories): for name, info in repos.modules.items(): if name not in modules and (not caps or info.has_caps(caps)): modules[name] = self._extend_module_info(repos, info) return modules
[docs] def get_module_info(self, name): """ Get ModuleInfo object of a module. It tries all repositories from last to first, and set the 'path' attribute of ModuleInfo if it is installed. """ for repos in reversed(self.repositories): if name in repos.modules: m = repos.modules[name] self._extend_module_info(repos, m) return m return None
[docs] def load(self): """ Load repositories from ~/.local/share/woob/repositories/. """ self.repositories = [] for name in sorted(os.listdir(self.repos_dir)): path = os.path.join(self.repos_dir, name) try: repository = Repository(path) self.repositories.append(repository) except RepositoryUnavailable as e: print(f'Unable to load repository {name} ({e}), try to update repositories.', file=sys.stderr)
[docs] def get_module_icon_path(self, module): return os.path.join(self.icons_dir, f'{}.png')
[docs] def retrieve_icon(self, module): """ Retrieve the icon of a module and save it in ~/.local/share/woob/icons/. """ self.load_browser() if not isinstance(module, ModuleInfo): module = self.get_module_info(module) dest_path = self.get_module_icon_path(module) icon_url = module.icon if not icon_url: if module.is_local(): icon_path = os.path.join(module.path,, 'favicon.png') if module.path and os.path.exists(icon_path): shutil.copy(icon_path, dest_path) return icon_url = module.url.replace('.tar.gz', '.png') try: icon = except BrowserHTTPNotFound: pass # no icon, no problem else: with open(dest_path, 'wb') as fp: fp.write(icon.content)
def _parse_source_list(self): l = [] with open(self.sources_list, 'r', encoding='utf-8') as f: for line in f: line = line.strip() % {'version': packaging.version.Version(self.version).major} m = re.match('(file|https?)://.*', line) if m: l.append(line) return l
[docs] def update_repositories(self, progress=PrintProgress()): """ Update list of repositories by downloading them and put them in ~/.local/share/woob/repositories/. :param progress: observer object. :type progress: :class:`IProgress` """ self.load_browser() self.repositories = [] for name in os.listdir(self.repos_dir): os.remove(os.path.join(self.repos_dir, name)) gpg_found = Keyring.find_gpg() or Keyring.find_gpgv() for line in self._parse_source_list(): progress.progress(0.0, f'Getting {line}') repository = Repository(line) filename = self.url2filename(repository.url) prio_filename = '%02d-%s' % (len(self.repositories), filename) repo_path = os.path.join(self.repos_dir, prio_filename) keyring_path = os.path.join(self.keyrings_dir, filename) try: repository.retrieve_index(self.browser, repo_path) if gpg_found: repository.retrieve_keyring(self.browser, keyring_path, progress) else: progress.error('Cannot find gpg or gpgv to check for repository authenticity.\n' 'You should install GPG for better security.') except RepositoryUnavailable as e: progress.error(f'Unable to load repository: {e}') else: self.repositories.append(repository) if repository.obsolete: last_update = datetime.strptime(str(repository.update), '%Y%m%d%H%M').strftime('%Y-%m-%d') progress.error( f'This repository does not receive updates anymore (since {last_update}).\n' 'Your woob version is probably obsolete and should be upgraded.' )
[docs] def check_repositories(self): """ Check if sources.list is consistent with repositories """ l = [] for line in self._parse_source_list(): repository = Repository(line) filename = self.url2filename(repository.url) prio_filename = '%02d-%s' % (len(l), filename) repo_path = os.path.join(self.repos_dir, prio_filename) if not os.path.isfile(repo_path): return False l.append(repository) return True
def _is_module_updatable(self, info): return not info.is_local() and info.is_installed() and self.versions.get( != info.version def _is_module_installable(self, info): return not info.is_local() and not info.is_installed() def _get_all_dependencies(self, modules): modules = list(modules) direct_deps = {} i = 0 while i < len(modules): current = modules[i] for dep_name in current.dependencies: if dep_name in direct_deps: # already handled continue dep = self.get_module_info(dep_name) if not dep: raise ModuleInstallError(f'Module "{dep_name}" does not exist') modules.append(dep) direct_deps[] = set(current.dependencies) i += 1 # install most depended-on first sorted_names = dependency_sort(direct_deps) return [self.get_module_info(name) for name in sorted_names]
[docs] def update(self, progress=PrintProgress()): """ Update repositories and install new packages versions. :param progress: observer object. :type progress: :class:`IProgress` """ self.update_repositories(progress) to_update = [] for info in self.get_all_modules_info().values(): if self._is_module_updatable(info): to_update.append(info) to_update = self._get_all_dependencies(to_update) to_update = [info for info in to_update if self._is_module_updatable(info) or self._is_module_installable(info)] if len(to_update) == 0: progress.progress(1.0, 'All modules are up-to-date.') return proxy_progress = SubProgress(progress, len(to_update)) for n, info in enumerate(to_update): proxy_progress.current = n try: self._install_one_module(info, proxy_progress) except ModuleInstallError as e: proxy_progress.progress(1.0, str(e))
[docs] def install(self, module, progress=PrintProgress()): if isinstance(module, ModuleInfo): info = module elif isinstance(module, str): progress.progress(0.0, f'Looking for module {module}') info = self.get_module_info(module) if not info: raise ModuleInstallError(f'Module "{module}" does not exist') else: raise ValueError(f'"module" parameter might be a ModuleInfo object or a string, not {module}') to_install = self._get_all_dependencies([info]) to_install = [ subinfo for subinfo in to_install if self._is_module_updatable(subinfo) or self._is_module_installable(subinfo) ] proxy_progress = SubProgress(progress, len(to_install)) for n, info in enumerate(to_install): proxy_progress.current = n self._install_one_module(info, proxy_progress)
def _install_one_module(self, module, progress): """ Install a module. :param module: module to install :type module: :class:`str` or :class:`ModuleInfo` :param progress: observer object :type progress: :class:`IProgress` """ if self.version not in module.woob_spec: raise ModuleInstallError( f"Module requires woob {module.woob_spec}, but you use woob {self.version}'.\n" "Hint: use 'woob update' or install a newer version of woob" ) self.load_browser() if module.is_local(): raise ModuleInstallError('%s is available on local.' % module_dir = os.path.join(self.modules_dir, installed = self.versions.get( if installed is None or not os.path.exists(module_dir): progress.progress(0.2, 'Module %s is not installed yet' % elif module.version > installed: progress.progress(0.2, 'A new version of %s is available' % else: raise ModuleInstallError('The latest version of %s is already installed' % progress.progress(0.3, 'Downloading module...') try: tardata = except BrowserHTTPError as e: raise ModuleInstallError('Unable to fetch module: %s' % e) # Check signature if module.signed and (Keyring.find_gpg() or Keyring.find_gpgv()): progress.progress(0.5, 'Checking module authenticity...') sig_data = + '.sig')).content keyring_path = os.path.join(self.keyrings_dir, self.url2filename(module.repo_url)) keyring = Keyring(keyring_path) if not keyring.exists(): raise ModuleInstallError('No keyring found, please update repos.') if not keyring.is_valid(tardata, sig_data): raise ModuleInstallError('Invalid signature for %s.' % # Extract module from tarball. if os.path.isdir(module_dir): shutil.rmtree(module_dir) progress.progress(0.7, 'Setting up module...') # TODO: remove tar.extractall() when not needed to prevent from potential archive attacks with closing('', 'r:gz', BytesIO(tardata))) as tar: tar.extractall(self.modules_dir) # nosec if not os.path.isdir(module_dir): raise ModuleInstallError(f'The archive for {} looks invalid.') # Precompile compile_dir(module_dir, quiet=True) self.versions.set(, module.version) progress.progress(0.9, 'Downloading icon...') self.retrieve_icon(module) progress.progress(1.0, f'Module {} has been installed!')
[docs] @staticmethod def url2filename(url): """ Get a safe file name for an URL. All non-alphanumeric characters are replaced by _. """ return ''.join([l if l.isalnum() else '_' for l in url])
def __iter__(self): for repository in self.repositories: yield repository @property def errors(self): errors = {} for repository in self: errors.update(repository.errors) return errors
[docs]class InvalidSignature(Exception): def __init__(self, filename): self.filename = filename super(InvalidSignature, self).__init__(f'Invalid signature for {filename}')
[docs]class Keyring: EXTENSION = '.gpg' def __init__(self, path): self.path = path + self.EXTENSION self.vpath = path + '.version' self.version = 0 if self.exists(): with open(self.vpath, 'r', encoding='utf-8') as f: self.version = int( else: if os.path.exists(self.path): os.remove(self.path) if os.path.exists(self.vpath): os.remove(self.vpath)
[docs] def exists(self): if not os.path.exists(self.vpath): return False if os.path.exists(self.path): # Check the file is not empty. # This is because there was a bug creating empty keyring files. with open(self.path, 'rb') as fp: if len( return True return False
[docs] def save(self, keyring_data, version): with open(self.path, 'wb') as fp: fp.write(keyring_data) self.version = version with open_for_config(self.vpath) as fp: fp.write(str(version))
[docs] @staticmethod def find_gpgv(): return find_exe('gpgv2') or find_exe('gpgv')
[docs] @staticmethod def find_gpg(): return find_exe('gpg2') or find_exe('gpg')
[docs] def is_valid(self, data, sigdata): """ Check if the data is signed by an accepted key. data and sigdata should be strings. """ gpg = self.find_gpg() gpgv = self.find_gpgv() if gpg: gpg_homedir = mkdtemp(prefix='woob_gpg_') verify_command = [ gpg, '--verify', '--no-options', '--no-default-keyring', '--quiet', '--homedir', gpg_homedir ] elif gpgv: verify_command = [gpgv] with NamedTemporaryFile(suffix='.sig', delete=False) as sigfile: temp_filename = return_code = None out = '' err = '' try: sigfile.write(sigdata) sigfile.flush() # very important sigfile.close() assert isinstance(data, bytes) # Yes, all of it is necessary with subprocess.Popen(verify_command + [ '--status-fd', '1', '--keyring', os.path.realpath(self.path), os.path.realpath(, '-' ], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE) as proc: out, err = proc.communicate(data) return_code = proc.returncode finally: os.unlink(temp_filename) if gpg: shutil.rmtree(gpg_homedir) if return_code or b'GOODSIG' not in out or b'VALIDSIG' not in out: print(out, err, file=sys.stderr) return False return True
def __str__(self): if self.exists(): with open(self.path, 'rb') as f: h = hashlib.sha1( return f'Keyring version {self.version}, checksum {h}' return 'NO KEYRING'