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python bindings: core — PEP8 compliance

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* Fixed most of the PEP8 errors in core.py
* Those remaining may need more than little edits and are a bit
  strange (too clearly the result of a programmer who has spent far
  too much time dealing with Lisp so that for Python it looks
  ... strange).
This commit is contained in:
Ben McGinnes 2018-06-17 15:58:44 +10:00
parent 5a80e75500
commit a5b24ae46c
1 changed files with 101 additions and 77 deletions
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164
lang/python/src/core.py
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@ -1,3 +1,19 @@
# -*- coding: utf-8 -*-
import re
import os
import warnings
import weakref
from . import gpgme
from .errors import errorcheck, GPGMEError
from . import constants
from . import errors
from . import util
from __future__ import absolute_import, print_function, unicode_literals
del absolute_import, print_function, unicode_literals
# Copyright (C) 2016-2017 g10 Code GmbH # Copyright (C) 2016-2017 g10 Code GmbH
# Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net> # Copyright (C) 2004,2008 Igor Belyi <belyi@users.sourceforge.net>
# Copyright (C) 2002 John Goerzen <jgoerzen@complete.org> # Copyright (C) 2002 John Goerzen <jgoerzen@complete.org>
@ -24,18 +40,6 @@ and the 'Data' class describing buffers of data.
""" """
from __future__ import absolute_import, print_function, unicode_literals
del absolute_import, print_function, unicode_literals
import re
import os
import warnings
import weakref
from . import gpgme
from .errors import errorcheck, GPGMEError
from . import constants
from . import errors
from . import util
class GpgmeWrapper(object): class GpgmeWrapper(object):
"""Base wrapper class """Base wrapper class
@ -64,7 +68,7 @@ class GpgmeWrapper(object):
return hash(repr(self.wrapped)) return hash(repr(self.wrapped))
def __eq__(self, other): def __eq__(self, other):
if other == None: if other is None:
return False return False
else: else:
return repr(self.wrapped) == repr(other.wrapped) return repr(self.wrapped) == repr(other.wrapped)
@ -102,8 +106,10 @@ class GpgmeWrapper(object):
"{}get_{}".format(self._cprefix, key)) "{}get_{}".format(self._cprefix, key))
set_func = getattr(gpgme, set_func = getattr(gpgme,
"{}set_{}".format(self._cprefix, key)) "{}set_{}".format(self._cprefix, key))
def get(slf): def get(slf):
return bool(get_func(slf.wrapped)) return bool(get_func(slf.wrapped))
def set_(slf, value): def set_(slf, value):
set_func(slf.wrapped, bool(value)) set_func(slf.wrapped, bool(value))
@ -116,9 +122,10 @@ class GpgmeWrapper(object):
return get(self) return get(self)
_munge_docstring = re.compile(r'gpgme_([^(]*)\(([^,]*), (.*\) -> .*)') _munge_docstring = re.compile(r'gpgme_([^(]*)\(([^,]*), (.*\) -> .*)')
def __getattr__(self, key): def __getattr__(self, key):
"""On-the-fly generation of wrapper methods and properties""" """On-the-fly generation of wrapper methods and properties"""
if key[0] == '_' or self._cprefix == None: if key[0] == '_' or self._cprefix is None:
return None return None
if key in self._boolean_properties: if key in self._boolean_properties:
@ -160,6 +167,7 @@ class GpgmeWrapper(object):
else: else:
super(GpgmeWrapper, self).__setattr__(key, value) super(GpgmeWrapper, self).__setattr__(key, value)
class Context(GpgmeWrapper): class Context(GpgmeWrapper):
"""Context for cryptographic operations """Context for cryptographic operations
@ -212,7 +220,7 @@ class Context(GpgmeWrapper):
Helper function to retrieve the results of an operation, or Helper function to retrieve the results of an operation, or
None if SINK is given. None if SINK is given.
""" """
if sink or data == None: if sink or data is None:
return None return None
data.seek(0, os.SEEK_SET) data.seek(0, os.SEEK_SET)
return data.read() return data.read()
@ -267,10 +275,11 @@ class Context(GpgmeWrapper):
flags |= expect_sign * constants.ENCRYPT_EXPECT_SIGN flags |= expect_sign * constants.ENCRYPT_EXPECT_SIGN
flags |= (not compress) * constants.ENCRYPT_NO_COMPRESS flags |= (not compress) * constants.ENCRYPT_NO_COMPRESS
if passphrase != None: if passphrase is not None:
old_pinentry_mode = self.pinentry_mode old_pinentry_mode = self.pinentry_mode
old_passphrase_cb = getattr(self, '_passphrase_cb', None) old_passphrase_cb = getattr(self, '_passphrase_cb', None)
self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK
def passphrase_cb(hint, desc, prev_bad, hook=None): def passphrase_cb(hint, desc, prev_bad, hook=None):
return passphrase return passphrase
self.set_passphrase_cb(passphrase_cb) self.set_passphrase_cb(passphrase_cb)
@ -301,7 +310,7 @@ class Context(GpgmeWrapper):
e.results = results e.results = results
raise e raise e
finally: finally:
if passphrase != None: if passphrase is not None:
self.pinentry_mode = old_pinentry_mode self.pinentry_mode = old_pinentry_mode
if old_passphrase_cb: if old_passphrase_cb:
self.set_passphrase_cb(*old_passphrase_cb[1:]) self.set_passphrase_cb(*old_passphrase_cb[1:])
@ -344,10 +353,11 @@ class Context(GpgmeWrapper):
""" """
plaintext = sink if sink else Data() plaintext = sink if sink else Data()
if passphrase != None: if passphrase is not None:
old_pinentry_mode = self.pinentry_mode old_pinentry_mode = self.pinentry_mode
old_passphrase_cb = getattr(self, '_passphrase_cb', None) old_passphrase_cb = getattr(self, '_passphrase_cb', None)
self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK
def passphrase_cb(hint, desc, prev_bad, hook=None): def passphrase_cb(hint, desc, prev_bad, hook=None):
return passphrase return passphrase
self.set_passphrase_cb(passphrase_cb) self.set_passphrase_cb(passphrase_cb)
@ -365,7 +375,7 @@ class Context(GpgmeWrapper):
result, verify_result) result, verify_result)
raise e raise e
finally: finally:
if passphrase != None: if passphrase is not None:
self.pinentry_mode = old_pinentry_mode self.pinentry_mode = old_pinentry_mode
if old_passphrase_cb: if old_passphrase_cb:
self.set_passphrase_cb(*old_passphrase_cb[1:]) self.set_passphrase_cb(*old_passphrase_cb[1:])
@ -382,7 +392,7 @@ class Context(GpgmeWrapper):
for s in verify_result.signatures): for s in verify_result.signatures):
raise errors.BadSignatures(verify_result, results=results) raise errors.BadSignatures(verify_result, results=results)
if verify and verify != True: if not verify: # was: if verify and verify != True:
missing = list() missing = list()
for key in verify: for key in verify:
ok = False ok = False
@ -592,8 +602,8 @@ class Context(GpgmeWrapper):
self.op_keylist_end() self.op_keylist_end()
def create_key(self, userid, algorithm=None, expires_in=0, expires=True, def create_key(self, userid, algorithm=None, expires_in=0, expires=True,
sign=False, encrypt=False, certify=False, authenticate=False, sign=False, encrypt=False, certify=False,
passphrase=None, force=False): authenticate=False, passphrase=None, force=False):
"""Create a primary key """Create a primary key
Create a primary key for the user id USERID. Create a primary key for the user id USERID.
@ -630,9 +640,10 @@ class Context(GpgmeWrapper):
encrypt -- request the encryption capability (see above) encrypt -- request the encryption capability (see above)
certify -- request the certification capability (see above) certify -- request the certification capability (see above)
authenticate -- request the authentication capability (see above) authenticate -- request the authentication capability (see above)
passphrase -- protect the key with a passphrase (default: no passphrase) passphrase -- protect the key with a passphrase (default: no
force -- force key creation even if a key with the same userid exists passphrase)
(default: False) force -- force key creation even if a key with the same userid
exists (default: False)
Returns: Returns:
-- an object describing the result of the key creation -- an object describing the result of the key creation
@ -645,6 +656,7 @@ class Context(GpgmeWrapper):
old_pinentry_mode = self.pinentry_mode old_pinentry_mode = self.pinentry_mode
old_passphrase_cb = getattr(self, '_passphrase_cb', None) old_passphrase_cb = getattr(self, '_passphrase_cb', None)
self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK
def passphrase_cb(hint, desc, prev_bad, hook=None): def passphrase_cb(hint, desc, prev_bad, hook=None):
return passphrase return passphrase
self.set_passphrase_cb(passphrase_cb) self.set_passphrase_cb(passphrase_cb)
@ -658,7 +670,7 @@ class Context(GpgmeWrapper):
| (constants.create.ENCR if encrypt else 0) | (constants.create.ENCR if encrypt else 0)
| (constants.create.CERT if certify else 0) | (constants.create.CERT if certify else 0)
| (constants.create.AUTH if authenticate else 0) | (constants.create.AUTH if authenticate else 0)
| (constants.create.NOPASSWD if passphrase == None else 0) | (constants.create.NOPASSWD if passphrase is None else 0)
| (0 if expires else constants.create.NOEXPIRE) | (0 if expires else constants.create.NOEXPIRE)
| (constants.create.FORCE if force else 0))) | (constants.create.FORCE if force else 0)))
finally: finally:
@ -670,7 +682,8 @@ class Context(GpgmeWrapper):
return self.op_genkey_result() return self.op_genkey_result()
def create_subkey(self, key, algorithm=None, expires_in=0, expires=True, def create_subkey(self, key, algorithm=None, expires_in=0, expires=True,
sign=False, encrypt=False, authenticate=False, passphrase=None): sign=False, encrypt=False, authenticate=False,
passphrase=None):
"""Create a subkey """Create a subkey
Create a subkey for the given KEY. As subkeys are a concept Create a subkey for the given KEY. As subkeys are a concept
@ -706,7 +719,8 @@ class Context(GpgmeWrapper):
sign -- request the signing capability (see above) sign -- request the signing capability (see above)
encrypt -- request the encryption capability (see above) encrypt -- request the encryption capability (see above)
authenticate -- request the authentication capability (see above) authenticate -- request the authentication capability (see above)
passphrase -- protect the subkey with a passphrase (default: no passphrase) passphrase -- protect the subkey with a passphrase (default: no
passphrase)
Returns: Returns:
-- an object describing the result of the subkey creation -- an object describing the result of the subkey creation
@ -719,6 +733,7 @@ class Context(GpgmeWrapper):
old_pinentry_mode = self.pinentry_mode old_pinentry_mode = self.pinentry_mode
old_passphrase_cb = getattr(self, '_passphrase_cb', None) old_passphrase_cb = getattr(self, '_passphrase_cb', None)
self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK self.pinentry_mode = constants.PINENTRY_MODE_LOOPBACK
def passphrase_cb(hint, desc, prev_bad, hook=None): def passphrase_cb(hint, desc, prev_bad, hook=None):
return passphrase return passphrase
self.set_passphrase_cb(passphrase_cb) self.set_passphrase_cb(passphrase_cb)
@ -731,7 +746,7 @@ class Context(GpgmeWrapper):
| (constants.create.ENCR if encrypt else 0) | (constants.create.ENCR if encrypt else 0)
| (constants.create.AUTH if authenticate else 0) | (constants.create.AUTH if authenticate else 0)
| (constants.create.NOPASSWD | (constants.create.NOPASSWD
if passphrase == None else 0) if passphrase is None else 0)
| (0 if expires else constants.create.NOEXPIRE))) | (0 if expires else constants.create.NOEXPIRE)))
finally: finally:
if util.is_a_string(passphrase): if util.is_a_string(passphrase):
@ -792,8 +807,8 @@ class Context(GpgmeWrapper):
""" """
flags = 0 flags = 0
if uids == None or util.is_a_string(uids): if uids is None or util.is_a_string(uids):
pass#through unchanged pass # through unchanged
else: else:
flags |= constants.keysign.LFSEP flags |= constants.keysign.LFSEP
uids = "\n".join(uids) uids = "\n".join(uids)
@ -883,10 +898,10 @@ class Context(GpgmeWrapper):
GPGMEError -- as signaled by the underlying library GPGMEError -- as signaled by the underlying library
""" """
if key == None: if key is None:
raise ValueError("First argument cannot be None") raise ValueError("First argument cannot be None")
if sink == None: if sink is None:
sink = Data() sink = Data()
if fnc_value: if fnc_value:
@ -904,6 +919,7 @@ class Context(GpgmeWrapper):
def signers(self): def signers(self):
"""Keys used for signing""" """Keys used for signing"""
return [self.signers_enum(i) for i in range(self.signers_count())] return [self.signers_enum(i) for i in range(self.signers_count())]
@signers.setter @signers.setter
def signers(self, signers): def signers(self, signers):
old = self.signers old = self.signers
@ -919,6 +935,7 @@ class Context(GpgmeWrapper):
def pinentry_mode(self): def pinentry_mode(self):
"""Pinentry mode""" """Pinentry mode"""
return self.get_pinentry_mode() return self.get_pinentry_mode()
@pinentry_mode.setter @pinentry_mode.setter
def pinentry_mode(self, value): def pinentry_mode(self, value):
self.set_pinentry_mode(value) self.set_pinentry_mode(value)
@ -927,6 +944,7 @@ class Context(GpgmeWrapper):
def protocol(self): def protocol(self):
"""Protocol to use""" """Protocol to use"""
return self.get_protocol() return self.get_protocol()
@protocol.setter @protocol.setter
def protocol(self, value): def protocol(self, value):
errorcheck(gpgme.gpgme_engine_check_version(value)) errorcheck(gpgme.gpgme_engine_check_version(value))
@ -936,6 +954,7 @@ class Context(GpgmeWrapper):
def home_dir(self): def home_dir(self):
"""Engine's home directory""" """Engine's home directory"""
return self.engine_info.home_dir return self.engine_info.home_dir
@home_dir.setter @home_dir.setter
def home_dir(self, value): def home_dir(self, value):
self.set_engine_info(self.protocol, home_dir=value) self.set_engine_info(self.protocol, home_dir=value)
@ -949,24 +968,14 @@ class Context(GpgmeWrapper):
# #
# $ grep '^gpgme_error_t ' obj/lang/python/python3.5-gpg/gpgme.h \ # $ grep '^gpgme_error_t ' obj/lang/python/python3.5-gpg/gpgme.h \
# | grep -v _op_ | awk "/\(gpgme_ctx/ { printf (\"'%s',\\n\", \$2) } " # | grep -v _op_ | awk "/\(gpgme_ctx/ { printf (\"'%s',\\n\", \$2) } "
return ((name.startswith('gpgme_op_') return ((name.startswith('gpgme_op_') and not
and not name.endswith('_result')) name.endswith('_result')) or name in {'gpgme_new',
or name in { 'gpgme_set_ctx_flag', 'gpgme_set_protocol',
'gpgme_new', 'gpgme_set_sub_protocol', 'gpgme_set_keylist_mode',
'gpgme_set_ctx_flag', 'gpgme_set_pinentry_mode', 'gpgme_set_locale',
'gpgme_set_protocol', 'gpgme_ctx_set_engine_info', 'gpgme_signers_add',
'gpgme_set_sub_protocol', 'gpgme_sig_notation_add', 'gpgme_set_sender', 'gpgme_cancel',
'gpgme_set_keylist_mode', 'gpgme_cancel_async', 'gpgme_get_key'})
'gpgme_set_pinentry_mode',
'gpgme_set_locale',
'gpgme_ctx_set_engine_info',
'gpgme_signers_add',
'gpgme_sig_notation_add',
'gpgme_set_sender',
'gpgme_cancel',
'gpgme_cancel_async',
'gpgme_get_key',
})
_boolean_properties = {'armor', 'textmode', 'offline'} _boolean_properties = {'armor', 'textmode', 'offline'}
@ -985,6 +994,7 @@ class Context(GpgmeWrapper):
# Implement the context manager protocol. # Implement the context manager protocol.
def __enter__(self): def __enter__(self):
return self return self
def __exit__(self, type, value, tb): def __exit__(self, type, value, tb):
self.__del__() self.__del__()
@ -1079,10 +1089,10 @@ class Context(GpgmeWrapper):
Please see the GPGME manual for more information. Please see the GPGME manual for more information.
""" """
if func == None: if func is None:
hookdata = None hookdata = None
else: else:
if hook == None: if hook is None:
hookdata = (weakref.ref(self), func) hookdata = (weakref.ref(self), func)
else: else:
hookdata = (weakref.ref(self), func, hook) hookdata = (weakref.ref(self), func, hook)
@ -1104,10 +1114,10 @@ class Context(GpgmeWrapper):
Please see the GPGME manual for more information. Please see the GPGME manual for more information.
""" """
if func == None: if func is None:
hookdata = None hookdata = None
else: else:
if hook == None: if hook is None:
hookdata = (weakref.ref(self), func) hookdata = (weakref.ref(self), func)
else: else:
hookdata = (weakref.ref(self), func, hook) hookdata = (weakref.ref(self), func, hook)
@ -1128,10 +1138,10 @@ class Context(GpgmeWrapper):
Please see the GPGME manual for more information. Please see the GPGME manual for more information.
""" """
if func == None: if func is None:
hookdata = None hookdata = None
else: else:
if hook == None: if hook is None:
hookdata = (weakref.ref(self), func) hookdata = (weakref.ref(self), func)
else: else:
hookdata = (weakref.ref(self), func, hook) hookdata = (weakref.ref(self), func, hook)
@ -1229,7 +1239,8 @@ class Data(GpgmeWrapper):
# This list is compiled using # This list is compiled using
# #
# $ grep -v '^gpgme_error_t ' obj/lang/python/python3.5-gpg/gpgme.h \ # $ grep -v '^gpgme_error_t ' obj/lang/python/python3.5-gpg/gpgme.h \
# | awk "/\(gpgme_data_t/ { printf (\"'%s',\\n\", \$2) } " | sed "s/'\\*/'/" # | awk "/\(gpgme_data_t/ { printf (\"'%s',\\n\", \$2) } " \
# | sed "s/'\\*/'/"
return name not in { return name not in {
'gpgme_data_read', 'gpgme_data_read',
'gpgme_data_write', 'gpgme_data_write',
@ -1286,13 +1297,13 @@ class Data(GpgmeWrapper):
super(Data, self).__init__(None) super(Data, self).__init__(None)
self.data_cbs = None self.data_cbs = None
if cbs != None: if cbs is not None:
self.new_from_cbs(*cbs) self.new_from_cbs(*cbs)
elif string != None: elif string is not None:
self.new_from_mem(string, copy) self.new_from_mem(string, copy)
elif file != None and offset != None and length != None: elif file is not None and offset is not None and length is not None:
self.new_from_filepart(file, offset, length) self.new_from_filepart(file, offset, length)
elif file != None: elif file is not None:
if util.is_a_string(file): if util.is_a_string(file):
self.new_from_file(file, copy) self.new_from_file(file, copy)
else: else:
@ -1305,7 +1316,7 @@ class Data(GpgmeWrapper):
# At interpreter shutdown, gpgme is set to NONE. # At interpreter shutdown, gpgme is set to NONE.
return return
if self.wrapped != None and gpgme.gpgme_data_release: if self.wrapped is not None and gpgme.gpgme_data_release:
gpgme.gpgme_data_release(self.wrapped) gpgme.gpgme_data_release(self.wrapped)
if self._callback_excinfo: if self._callback_excinfo:
gpgme.gpg_raise_callback_exception(self) gpgme.gpg_raise_callback_exception(self)
@ -1315,6 +1326,7 @@ class Data(GpgmeWrapper):
# Implement the context manager protocol. # Implement the context manager protocol.
def __enter__(self): def __enter__(self):
return self return self
def __exit__(self, type, value, tb): def __exit__(self, type, value, tb):
self.__del__() self.__del__()
@ -1329,7 +1341,8 @@ class Data(GpgmeWrapper):
def new_from_mem(self, string, copy=True): def new_from_mem(self, string, copy=True):
tmp = gpgme.new_gpgme_data_t_p() tmp = gpgme.new_gpgme_data_t_p()
errorcheck(gpgme.gpgme_data_new_from_mem(tmp,string,len(string),copy)) errorcheck(gpgme.gpgme_data_new_from_mem(tmp, string, len(string),
copy))
self.wrapped = gpgme.gpgme_data_t_p_value(tmp) self.wrapped = gpgme.gpgme_data_t_p_value(tmp)
gpgme.delete_gpgme_data_t_p(tmp) gpgme.delete_gpgme_data_t_p(tmp)
@ -1347,7 +1360,7 @@ class Data(GpgmeWrapper):
def new_from_cbs(self, read_cb, write_cb, seek_cb, release_cb, hook=None): def new_from_cbs(self, read_cb, write_cb, seek_cb, release_cb, hook=None):
tmp = gpgme.new_gpgme_data_t_p() tmp = gpgme.new_gpgme_data_t_p()
if hook != None: if hook is not None:
hookdata = (weakref.ref(self), hookdata = (weakref.ref(self),
read_cb, write_cb, seek_cb, release_cb, hook) read_cb, write_cb, seek_cb, release_cb, hook)
else: else:
@ -1374,8 +1387,8 @@ class Data(GpgmeWrapper):
filename = file filename = file
else: else:
fp = gpgme.fdopen(file.fileno(), file.mode) fp = gpgme.fdopen(file.fileno(), file.mode)
if fp == None: if fp is None:
raise ValueError("Failed to open file from %s arg %s" % \ raise ValueError("Failed to open file from %s arg %s" %
(str(type(file)), str(file))) (str(type(file)), str(file)))
errorcheck(gpgme.gpgme_data_new_from_filepart(tmp, filename, fp, errorcheck(gpgme.gpgme_data_new_from_filepart(tmp, filename, fp,
@ -1412,7 +1425,7 @@ class Data(GpgmeWrapper):
raise GPGMEError.fromSyserror() raise GPGMEError.fromSyserror()
return written return written
def read(self, size = -1): def read(self, size=-1):
"""Read at most size bytes, returned as bytes. """Read at most size bytes, returned as bytes.
If the size argument is negative or omitted, read until EOF is reached. If the size argument is negative or omitted, read until EOF is reached.
@ -1447,6 +1460,7 @@ class Data(GpgmeWrapper):
chunks.append(result) chunks.append(result)
return b''.join(chunks) return b''.join(chunks)
def pubkey_algo_string(subkey): def pubkey_algo_string(subkey):
"""Return short algorithm string """Return short algorithm string
@ -1459,6 +1473,7 @@ def pubkey_algo_string(subkey):
""" """
return gpgme.gpgme_pubkey_algo_string(subkey) return gpgme.gpgme_pubkey_algo_string(subkey)
def pubkey_algo_name(algo): def pubkey_algo_name(algo):
"""Return name of public key algorithm """Return name of public key algorithm
@ -1471,6 +1486,7 @@ def pubkey_algo_name(algo):
""" """
return gpgme.gpgme_pubkey_algo_name(algo) return gpgme.gpgme_pubkey_algo_name(algo)
def hash_algo_name(algo): def hash_algo_name(algo):
"""Return name of hash algorithm """Return name of hash algorithm
@ -1483,6 +1499,7 @@ def hash_algo_name(algo):
""" """
return gpgme.gpgme_hash_algo_name(algo) return gpgme.gpgme_hash_algo_name(algo)
def get_protocol_name(proto): def get_protocol_name(proto):
"""Get protocol description """Get protocol description
@ -1494,6 +1511,7 @@ def get_protocol_name(proto):
""" """
return gpgme.gpgme_get_protocol_name(proto) return gpgme.gpgme_get_protocol_name(proto)
def addrspec_from_uid(uid): def addrspec_from_uid(uid):
"""Return the address spec """Return the address spec
@ -1505,6 +1523,7 @@ def addrspec_from_uid(uid):
""" """
return gpgme.gpgme_addrspec_from_uid(uid) return gpgme.gpgme_addrspec_from_uid(uid)
def check_version(version=None): def check_version(version=None):
return gpgme.gpgme_check_version(version) return gpgme.gpgme_check_version(version)
@ -1514,13 +1533,15 @@ def check_version(version=None):
# it unless she really wants to check for a certain version. # it unless she really wants to check for a certain version.
check_version() check_version()
def engine_check_version (proto):
def engine_check_version(proto):
try: try:
errorcheck(gpgme.gpgme_engine_check_version(proto)) errorcheck(gpgme.gpgme_engine_check_version(proto))
return True return True
except errors.GPGMEError: except errors.GPGMEError:
return False return False
def get_engine_info(): def get_engine_info():
ptr = gpgme.new_gpgme_engine_info_t_p() ptr = gpgme.new_gpgme_engine_info_t_p()
try: try:
@ -1531,6 +1552,7 @@ def get_engine_info():
gpgme.delete_gpgme_engine_info_t_p(ptr) gpgme.delete_gpgme_engine_info_t_p(ptr)
return info return info
def set_engine_info(proto, file_name, home_dir=None): def set_engine_info(proto, file_name, home_dir=None):
"""Changes the default configuration of the crypto engine implementing """Changes the default configuration of the crypto engine implementing
the protocol 'proto'. 'file_name' is the file name of the protocol 'proto'. 'file_name' is the file name of
@ -1539,10 +1561,12 @@ def set_engine_info(proto, file_name, home_dir=None):
used if omitted).""" used if omitted)."""
errorcheck(gpgme.gpgme_set_engine_info(proto, file_name, home_dir)) errorcheck(gpgme.gpgme_set_engine_info(proto, file_name, home_dir))
def set_locale(category, value): def set_locale(category, value):
"""Sets the default locale used by contexts""" """Sets the default locale used by contexts"""
errorcheck(gpgme.gpgme_set_locale(None, category, value)) errorcheck(gpgme.gpgme_set_locale(None, category, value))
def wait(hang): def wait(hang):
"""Wait for asynchronous call on any Context to finish. """Wait for asynchronous call on any Context to finish.
Wait forever if hang is True. Wait forever if hang is True.
@ -1556,7 +1580,7 @@ def wait(hang):
context = gpgme.gpgme_wait(None, ptr, hang) context = gpgme.gpgme_wait(None, ptr, hang)
status = gpgme.gpgme_error_t_p_value(ptr) status = gpgme.gpgme_error_t_p_value(ptr)
gpgme.delete_gpgme_error_t_p(ptr) gpgme.delete_gpgme_error_t_p(ptr)
if context == None: if context is None:
errorcheck(status) errorcheck(status)
else: else:
context = Context(context) context = Context(context)