It's easy to miss that verify can take a list of keys. Make it more
obvious to the average python dev who reads docstrings.
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
In the course of trying to address https://dev.gnupg.org/T4271, i
discovered that gpg.Context.decrypt() has a bit of superfluous code.
This changeset is intended to simplify the code without making any
functional changes.
Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
* added warning that he Windows C runtime issues will also affect use
with Cython and that relying on binary installers would remove that
possible use case.
* The make.bat file incorrectly triggers the trailing whitespace check
in the git repo (it doesn't actually have any trailing whitespace,
but triggers the error on every line).
* Will need to add a script to handle future org-mode conversions of
the index page anyway, so will get that script to deal with this
problem too by generating the make.bat file if the platform is
detected as Windows.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Added framework from sphinx-quickstart to lang/python/doc/rst/ so
that Python developers already using Sphinx can use the generated
reST files with existing documentation systems.
* Note that when generating source files from Org-mode, the index page
will require manual intervention to match the Sphinx requirements.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Expanded the section on issues with Windows installations, with
greater detail of which versions of Visual Studio are needed
depending on which version of CPython is to be used.
* Included a recommendation which is a bit harsh without being totally
prickish.
* Updated all files to not link to author's key or related data in
order to make them all consistent with the changes in commit
649b196881.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/cpp/src/Makefile.am, lang/qt/src/Makefile.am (AM_CPPFLAGS):
Add suggest-override and zero-as-null-pointer-constant warnings.
* lang/cpp/src/*, lang/qt/src/*: Consistenly use nullptr and override.
--
This was especially important for the headers so that downstream
users of GpgME++ or QGpgME do not get flooded by warnings if
they have these warnings enabled.
It also improves compiler errors/warnings in case of accidental
mistakes.
* Added long description to setup.py.in.
* Added maintenance mode details with clarification for what type of
things would be a bug as far as MM is concerned and what wouldn't
be.
** Includes a not too subtle hint directed towards the donations page.
* Miscellaneous tightening of documentation.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Added instructions for checking key certifications or key
signatures (depending on preferred terminology).
* Added pendulum module to recommended installations, but not to
requirements.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Added documentation for the new methods added to gpgme.version.
* Removed the Flask based advanced use case from the what-is-new
section as that type of code will not be added here.
* lang/python/version.py.in: added gpg.version.versionintlist
* If gpg.version.versionintlist[2] ever returns -1 then there's a
serious problem with the build and it should be lodged as a bug if
it's repeatable. Seeing this should never happen, but checking for
it is better than not doing so.
* Fixed bug T4242 and tested that dropping "Import" in favour of
"import_type" does indeed work just fine.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/src/constants/__init__.py: dropped use of Import
capitalisation and renamed lang/python/src/constants/import.py to
lang/python/src/constants/import_type.py to address bug T4242.
* lang/python/doc/src/gpgme-python-howto: minor docs updates.
* Continued restructuring as part of moving beyond mere;y the HOWTO
file.
* Generated the alternative source files for reST and Texinfo.
* Fixed some errors and updated links after moving the what's new
section to two new files (yes, two).
* lang/cpp/tests/run-verify.cpp: New.
* lang/cpp/tests/Makefile.am: Update accordingly.
--
Add another test runner which helps to find problems on windows.
* lang/cpp/src/context.cpp (Context::create): New.
* lang/cpp/src/context.h: Update accordingly.
* lang/cpp/src/key.cpp, lang/cpp/src/key.h:
(Key::isBad, Subkey::isBad, UserID::isBad)
(UserID::Signature::isBad): Add shorthand for the isX checks.
* NEWS: Mention it.
--
I don't know how often I wrote:
if (key.isNull() || key.isExpired() || key.isRevoked() ...
And for the context it is good practice to use a unique ptr
so the API should make it easy.
* Fixed a minor error in how the reST version of the HOWTO is
generated.
* Updated the help() in __init__.py with a little more detail as to
why not to use the lower level functions.
* lang/python/tests/t-callbacks.py: Updated test logic to try
generating a key which expires in 2099 and if that fails then
fallback to an expiration in 2037 in an attempt to catch the 32-bit
systems.
* lang/python/gpgme.i: ignore HAVE_CXX11 in SWIG interface
--
If there are two distinct builds (a) and (b) of gpgme which both build
python bindings, and build (a) also happens to build the C++ bindings,
then the generated gpg/gpgme.py file from build (a) will not be usable
with the .so generated in build (b), despite them being exactly the
same, and having nothing to do with C++.
In particular, it will fail with:
-----------
File "…/gpg/__init__.py", line 99, in <module>
from . import core
File "…/gpg/core.py", line 10, in <module>
from . import gpgme
File "…/gpg/gpgme.py", line 152, in <module>
HAVE_CXX11 = _gpgme.HAVE_CXX11
AttributeError: module 'gpg._gpgme' has no attribute 'HAVE_CXX11'
-----------
By asking SWIG to ignore this definition, we stabilize the generated
.py and the .so, ensuring that they are more cleanly interoperable.
--
* Use wrapper types calling translation functions instead of
TRANSLATE-{FROM,TO}-FOREIGN methods as they seem not to be
called in some cases.
* Use the (:STRUCT SOME-C-STRUCT) notation instead of the
deprecated direct reference to SOME-C-STRUCT.
* Add missing values in enums and bit fields.
* Use cffi-grovel to define system types (SIZE-T, OFF-T, etc).
* Wrap GPGME-DATA-T in a class (like contexts).
* Use the FINALIZE function from trivial-garbage to free the
C objects for contexts, keys and data automatically.
* Make DATA-READ-CB and DATA-WRITE-CB run faster.
* Update the README file.
Signed-off-by: Guillaume LE VAILLANT <glv@posteo.net>
* lang/cpp/Makefile.am: Add tests subdir.
* lang/cpp/tests/Makefile.am: New.
* lang/cpp/tests/README,
lang/cpp/tests/run-getkey.cpp,
lang/cpp/tests/run-keylist.cpp: New.
* configure.ac: Configure tests makefile.
--
The autotests for c++ live in lang/qt/tests these
tests are more for manual experiments to validate some
functionality.
* lang/cpp/src/context.cpp (Context::startKeyListing),
(Context::keyListResult, Context::signingKeys): Initialize key.
--
"Should" not be neccessary but it's cleaner and would have
covered the case of the previous commit.
* configure.ac: Bump core LT version to C32/A21/R0. Bump C++ LT
version to C14/A8/R0.
* lang/qt/tests/Makefile.am (CLEANFILES): Add reader status files.
* Makefile.am (EXTRA_DIST): Add conf/whatisthis.
Signed-off-by: Werner Koch <wk@gnupg.org>
* conf/: New dir.
* configure.ac (AC_CONFIG_HEADER): Move header to conf dir.
* doc/Makefile.am (mkdefsinc): Adjust rule.
* lang/python/Makefile.am (copystamp): Ditto.
--
C++ uses those stupid files without a suffix and thus the new standard
header <version> as included by newer other libc++ versions may
conflict with the VERSION file in out top directory. This change
should solve the problem.
GnuPG-bug-id: 4168
Signed-off-by: Werner Koch <wk@gnupg.org>
* lang/python/doc/meta/TODO.org: Added the two major documentation
build system tasks to the TODO list.
* Added an index page in preparation for sorting out the second of
those TODO lists (Docutils is a lot easier to handle than Texinfo).
* Meanwhile, have confirmed that it all builds just fine under
GNU/Linux, OS X and FreeBSD while retaining the documentation, so
that's a nice improvement from 1.11.1.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* doc/Makefile.am: Removed a bit I forgot about.
* Renamed lang/python/docs to lang/python/doc bvecause apparently
automake cares about that too.
* Decided to be extra explicit in the manifest because if I don't then
all sorts of things get deleted ... like lang/python
* Tested on an external linux system just in case my osx workstation
introduces too much weirdness.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/Makefile.am: Attempting to remove the docs/meta
directory did a lot worse than I thought it was doing, so better to
just be sure the documentation is available than destroy the entire
bindings directory.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/Makefile.am: Now that gpg2 has been renamed back to gpg
and gpg1 is semi-deprecated, we should check what the actual gpg
binary is with gpgconf and use that rather than make assumptions per
system.
* Also, it means less worry if gpg3 is ever a thing. (Trust me, I
remember the Python 1 to 2 transition as well as the current 2 to 3
transition). ;)
Signed-off-by: Ben McGinnes <ben@adversary.org>
* More updates to the docs themselves and the versions to be available
with the next release.
* .texi and .rst copies of the HOWTO and the short history of (this
part) of the project.
* Restructured the docs directory to account for the GNU preferred
source doc format (.texi) and the Python preferred source doc
format (.rst) and the real source doc format (.org).
* Both the perceived source formats will need to be generated from the
.org files and included at this stage. Unfortunately there is not
yet a native org-to-rst transformation method in the org-mode
software in Emacs nor is there a a direct means of going from reST
to Org-mode from Docutils. There's only third party packages like
Pandoc and, while very good, there is no guarantee of consistency;
so we can't entirely automate this bit (yet).
* doc/Makefile.am: removed the python howto from this file, restoring
it to just the main project and the newer .js files.
* deleted: doc/gpgme-python-howto.texi
* renamed the Short_History.org file to short-history.org to keep the
naming conventions similar.
* All the Python files can (and should) live together.
* Changed the order of python versions the configure/make process
checks for, placing Python 3.7 ahead of 3.6.
* Updated the HOWTO documentation to reflect this change.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Tightened up the docs a little bit, updated the "what's new"
section, dropped the "-draft" version in preparation for GPGME
1.12.0's release.
* Exported another .texi version (and updated the draft copies to this
commit (which ought to be 1.11.1-beta313).
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/src/core.py: First restoring the exception to the being
just that.
* The means to manipulate the error output is temporarily in commented
out code, but ought to be added to a proper test later.
* In the mean time the original test, with a very slight change, works
again.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/src/core.py: Fixed methods of detecting whether verify
is a boolean variable or a list.
* Added methods of catching the missing keys exceptions.
* Still retained PEP8 compliance (which might have been where one or
two problems crept in).
* Though this is essentially the correct behaviour, it still does not
quite fit the otiginal test; so that will also require some adjustment.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/examples/howto/local-sign-group.py: added the bit where
specifying the signing key is actually used for signing rather than
just pruning the list of keys to certify.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* lang/python/examples/howto/local-sign-group.py: locally sign every
key in a group line except one's own keys. Intended to address the
sort of thing one might see on lists like PGPNET or other closed
groups amongst activists, journalists, etc. where everyone encrypts
to all recipients, but may not sign everyone's keys publicly..
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Fixed the final assertion to look for what will actually be reported
in that case instead of something else (i.e. it looks for an
IMPORT_ERROR status code).
* Sometimes you really do need or want punctuation in a heading, but
ideally without something else generating whitespace and other
annoyances to go with it.
* Trying a real decimal point instead.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Woumd up the "what's new" section.
* Added an example for sending a key to the keyservers via hkp4py.
* Updated the export key code to use a more complete check for the
$GNUPGHOME location.
* Expanded on the installation and reinstallation troubleshooting
section.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Added a What's New section to summarise changes since the last
release. There have been quite a few and some attention does need
to be drawn to some of them.
* Confirming certain issues with some platform builds, especially
BSD/OSX vs. Linux issues which will need to update the installation
troubleshooting guides.
* Added more comprehensive examples using hkp4py and added a couple
more example scripts for protonmail.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Mostly tightening up the details on the hkp4py example script.
* Also fixed a typo in the LGPL boiler plate text included in all the
other example scripts for the HOWTO.
* added a new example script to search the keyservers and import the
results, this time using Marcel Fest's hkp4py module.
* Updated the key importing section to match this addition.
* Tested with the current version of hkp4py from github.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* Confirmed that updates to the tests have significant'y improved that
output.
* Updated some of the additional notes for the section on hkp4py.
** This is in anticipation adding at least import examples using that
module as well. It may also include adding examples of exporting a
key and uploading it to the keyservers.
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
* src/gpgme.h.in: Obsolete "class" also for Python.
* lang/python/gpgme.i: Silenece a swig warning. Silence a gcc
warning.
Signed-off-by: Werner Koch <wk@gnupg.org>
* Added some material on using the new-ish hkp4py module with GPGME.
* Example code will be added later once a couple of little issues are
addressed.
Signed-off-by: Ben McGinnes <ben@adversary.org>
* src/gpgme-json.c (op_createkey): Remove subkey-algo param.
(GPG_AGENT_ALLOWS_KEYGEN_TRHOUGH_BROWSER): Fix typo.
* lang/js/src/Keyring.js: Remove subkey-algo support.
* lang/js/src/permittedOperations.js: Ditto.
--
We do not want to expose details of the protocol's key generation and
thus the subkey-algo does not make sense. Right now we support only
the default and future-default algorithms. A user can configure them
anyway using new-default-key-algo in gpg.conf. Eventually we may
officially support a more flexible way of creating special structured
OpenPGP keys but right now that is not part of the API.
Signed-off-by: Werner Koch <wk@gnupg.org>
--
* src/index.js: Added an optional configuration object for the startup.
* configuration: timeout - the initial check for a connection ran into
timeouts on slower testing machines. 500ms for initial startup is
not sufficient everywhere. The default timeout was raised to 1000ms,
and as an option this timeout can be increased even further.
* BrowsertestExtension: Set the initial connection timeouts to 2
seconds, to be able to test on slower machines.
* Sanitized the shell command examples of extraneous whitespace.
* Removed keycount.c as sanitising it is pointless and it will be
generated by Cython when the example is followed.
* Regenerated the .texi version.
* Added new advanced section with an example of using the Python
bindings with CPython code compiled back to C code using Cython.
* Though it may seem a bit counter-intuitive to use the bindings just
to go back to C via a different route, this is not actually stupid.
* Added examples/howto/advanced/cython/ directory.
* Added keycount.pyx, setup.py and the keycount.c file which the first
two generated with Cython. Not including the .so and .o files from
the build.
* Exported the .texi version of the howto for the main docs.
* lang/python/docs/gpgme-python-howto.org: more tweaks and edits,
along with another build of output formats.
* doc/gpgme-python-howto.texi: updated texinfo version for parent docs.
* lang/python/docs/gpgme-python-howto.org: Identified and fixed the
headings which kept generating lines with trailing whitespace when
exporting to Texinfo format and adjusted them to prevent that.
* lang/python/docs/gpgme-python-howto.org: Renamed file to better fit
the rest of the project's docs.
* Added a section on the very unofficial drafts I periodically post
links to since they're often the easiest way to get a web version in
front of someone in a hurry.
* lang/python/docs/GPGMEpythonHOWTOen.org: Added corresponding GPGME
version number to table at the start and cut the shortcut from the
groups.py example.
* doc/gpgme-python-howto.texi: New export of Texinfo file for docs
build.
* lang/python/docs/GPGMEpythonHOWTOen.org: Fixed a few errors in the
newer sections.
* Updated code in the examples using secret key exporting and group
lines to reflect the Python 2.7 compatibility fixes added.
* lang/python/examples/howto/export-secret-keys.py and groups.py:
Updated the backwards compatibility adjustments to account for
unicode differences between python 2 and 3.
* lang/python/examples/howto/groups.py: subprocess update
* lang/python/examples/howto/export-secret-keys.py: subprocess update
Both of these try the nice and easy method of getting the subprocess
output available in Python 3, but will fall back to the older Popen
method if it doesn't work. Essentially this is to be a little nicer
to Python 2.7.15 (even though the examples are filled with warnings
that py2 support is not guaranteed with the examples).
--
* src/Helpers.js: GPGME_Keys were not parsed as valid, as their
fingerprint getter is not a fingerprint 'property'.
* BrowserTestExtension: fixed a dsplay typo in counting of tests.
--
* BrowsertestExtension/tests/decryptTest.js: There were cases in which
file names returned in a wrong encoding from decryption. The test
cases here are a 'Hello World' in a text file with different names,
then being encrypted with cli gnupg.
--
* src/Helpers.js: This additional escape should 'repair' special
characters like spaces in filenames. In the strange world of
encoding there is little hope that this captures all cases, or
that it will never fail to return some value, let alone meaningful.
In my test cases it worked.
--
* BrowserTestExtension/tests:
- decryptTest.js: Check Decryption and return values of binary data
- encryptTest.js: Return data type of armored/non-armored encryption
- added a small encoded input png for testing
* DemoExtension/maindemo.js: Fixed unexpected usage of the Demo encrypt
(non-armored)
--
* src/gpgme.js: In case the encryption was done unarmored, the result
is binary data. Added an option to either return the binary data as
base64-encoded string or as Uint8Array, similar to return values of
decrypt
--
* src/Connection.js; src/permittedOperations.js: To avoid further
encoding problems, data sent by gpgme is now sorted as either
'payload' or 'info'. Payload data may come in any encoding, and here
the 'expected' and 'format' options are used, 'info' data may
contain text created by gnupg which may need re-encoding, but this
should not be affected by 'expected' and 'format'
* lang/python/src/core.py: Adjusted new_from_estream function to alias
new_from_stream instead of fd.
* fixed the _gpgme import errors introduced in commit
08cd34afb7 by changing the exported
functions/types to match the inner module where all the work is
done, rather than the outer one(s).
Tested-by: Ben McGinnes <ben@adversary.org>
Signed-off-by: Ben McGinnes <ben@adversary.org>
--
* src/gpgmejs.js/encrypt: the encrypted data were converted back to a
(incorrect) string, whereas they should be data with no encoding
specified. Returning base64 data is the expected way.
* DemoExtension: caught yet another usage of old syntax.
* lang/python/docs/GPGMEpythonHOWTOen.org: Updated links to the
ProtonMail keyserver import scripts and added a warning regarding
being unable to update third party keys.
* lang/python/examples/howto/pmkey-import-alt.py: added usage.
* lang/python/examples/howto/pmkey-import.py: added usage.
--
* src/Helpers.js: As non-payload data might come in different
encodings, a conversion has been introduced that worked in most
cases. Data like the userid might come in different encodings,
which we don't know of. For now, a try..catch returns the data
as they are if the utf-8 decoding fails. Sometimes this yields the
correct result, sometimes it may not work, but it won't stop the
whole operation anymore.
--
* destructuring just takes the input argument and treats it as object.
In cases like in src/Keyring/generateKey, where I forgot to change
the old syntax, the fingerprint as string was destructured into an
object without "pattern", which caused all Keys to be retrieved.
So, methods with a destructuring now check if the first argument is
an object and get a default empty object if no parameter is
submitted. This allows the further use of destructured parameters,
while still ensuring nothing vastly incorrect is used.
* src/Kering.js, unittsets.js: fixed old syntax in method usage
--
* src/Connection.js: resulting data, if not pure ascii, is base64
encoded in the result message. A further decoding attempt into
javascript 'string' will be attempted by default, unless specified
at the decrypt() method. The return value 'format' now shows which
of the possibilities has been applied. The old boolean 'base64'
now turns into format:'base64' if the returned payload is a base64
string after decryption.
--
* reflecting the new optional strings accepted by the backend.
'file_name' and 'sender' can be used via the 'additional'
parameter in encrypt operations
--
* recent changes in parameter calling led to a forgotten internal call
in getDefaultKey using old syntax (and failing in case a default key
is configured)
--
* src/gpgmejs.js: Setting the default to 'always trust' assumes that
most api users will already have made their internal checks, but may
not have the gnupg web-of-trust model implemented, thus trusting the
key themselves, without gnupg having full or even any information.
Still it should stay an option to have gnupg decide.
--
* src/Keyring.js: Adapted Keyring.getDefaultKey() to my current
understanding of a default signing key: either the default key set
in the gpg config, or 'the first usable private key' - usability
meaning 'not invalid, expired, revoked, and can be used for
signing'. It should be the same key used as in command line when
doing a --sign operation.
In case the user has a smartcard plugged in, we currently
won't know of this here, so our choice may differ. But as we do all
javascript-binding sign operations with the key fingerprint
explicitly set, this should not be a real problem. This method is
seen more as a convenience to tell using librarys which key
represents the main user.
--
* As a decrypt result cannot be known beforehand, the decrypt operation
may add an 'expect' property, taking either 'uint8' or 'base64',
which will return the decrypted data in the appropiate formats.
the return property 'format' will give a feedback on which option
was taken.
A test was added to reflect these changes.
--
* As requested by using parties, the options to be passed into the
methods are now objects, with the objects' properties better
describing what they do, and to avoid the need to type several nulls
in a method call if one wants the last parameter.
- src/Keyring.js, src/gpgme.js: Changed parameters and their
validations
- BrowserTest/*.js Had to adapt quite some calls to the new format
--
* src/Connection.js, src/Helpers.js: performance of decoding incoming
base64 data was improved to about 4 times the speed by introducing
two more efficient functions (thanks to rrenkert@intevation.de for
finding and testing them)
* src/gpgmejs.js: Decrypted data will now return as Uint8Array, if the
caller does not wish for a decoding. Decoding binary data will return
invalid data, and a Uint8Array may be desired. This can be indicated
by using the (new) 'binary' option in decrypt.
* src/Errors.js A new error in case this decoding fails
* src/Message.js, src/Connection.js: expected is change from base64
to binary, to avoid confusion later on.
--
* src/Signature.js/get fingerprint: A signature with no fingerprint
should not happen, but if it does, we should throw an error here,
as the method is a getter.
This adds a new language binding "gpgme.js" to GPGME. It
serves as a bridge between the native-messaging service "gpgme-json"
and JavaScript Applications.
The first user of this binding will be Mailvelope which will
see GnuPG integration in the near future.
GnuPG-Bug-Id: T4107
--
* synchronous functions should throw errors if something goes wrong,
Promises should reject. This commit changes some error cases that
returned Error objects instead of throwing them
- src/Key.js: createKey() and sync Key.get() throw errors
- src/Error.js: Exporting the list of errors to be able to test and
compare against these strings
- src/Keyring.js: Setting a null value in pattern is not useful, and
now caused an error with the new changes.
- src/Message.js: createMessage and Message.setParameter now throw
errors
--
* src/gpgmejs.js: Decrypt now parses additional optional dec_info
information, as well as any verify information, if present
* src/permittedOperations: Now decrypt also expect the new return
object dec_inf (containing info such as is_mime and file_name)
--
* src/Keyring.js: Changed key ecpiration from Date to seconds from
creation, as in gpgme. The Date parameter used before was due to a
misunderstanding in documentation and requests from potential users.
--
* undoes 94ee0988d4 and
e16a87e839.
I do not fully understand why my approach was bad, but I am not in
a position to argue. This revert was requested to me after a review,
and I'm doing it in the assumption that more experienced people know
better than me.
* unittests: Also changed some outdated tests that stopped working
since 754e799d35 (as GPGME_Key is not
exported, one cannot check for instanceof in the tests anymore)
* import-key.py: fixed a minor typo.
* pmkey-import.py: locates and imports keys from the ProtonMail keyserver.
* pmkey-import-alt.py: the same as the previous except with setting an
alternative $GNUPGHOME directory.
* Moved the build import back up where it belongs.
* Included comments indicating how to build and install for multiple
Python versions beyond the first 2 on the same system.
* lang/python/version.py.in: Fixed most things, but there's still an
issue near the build portion with the existing Python bugs referenced.
* lang/python/setup.py.in: Now PEP8 compliant.
* PEP8 compliance for all constants except the globals in
src/constants/__init__.py depending on whether the import sequence
affects the globals themselves.
--
* Arriving strings (i.e. user id names, error messages) are not
always in javascript encoding. This is an attempt to go through
the whole gpgme answer (with the exception of payload data) and
to fix the encoding of these
