This error is fixed in repository /Stefan On Tue, Feb 11, 2020 at 8:17 AM david larsson <david.lars...@selfhosted.xyz> wrote:
> On 2020-02-10 21:11, Stefan Israelsson Tampe wrote: > > I have now added the bytes constructor that was not working. > > Thanks! > > > > > To compile from source please try use the git repository at: > > > > https://gitlab.com/python-on-guile/python-on-guile/ > > > > see readme for how to compile and what dependencies you have. > > I was able to build and install: > - guile-persist: commit ebebb66ae6d6c47dbc406cdbcaccb5ffed2e463a > - stis-parser: commit 7673dd576abb445fbcfce8c4b6ae961ee860902e > > but for python-on-guile Im getting this error on make: > > -------------- > > Makefile:1390: warning: overriding recipe for target 'python' > Makefile:771: warning: ignoring old recipe for target 'python' > GEN language/python/guilemod.go > guile: warning: failed to install locale > warning: failed to install locale: Invalid argument > ice-9/boot-9.scm:752:25: In procedure dispatch-exception: > Syntax error: > language/python/guilemod.scm:271:0: cond-expand: unfulfilled cond-expand > in form (cond-expand (guile-3.0 (define-set-M lookup-warning-type > lookup-warning-type) (define-set-M warning warning) (set! %warning-types > w-types)) (guile-2.0 or guile-2.2 (define-M %warning-types w-types) > (define-exp-M lookup-warning-type (lambda (name) "Return the warning > type NAME or `#f' if not found." ((M find) (lambda (wt) (eq? name ((M > warning-type-name) wt))) (M %warning-types)))))) > make: *** [Makefile:1385: language/python/guilemod.go] Error 1 > > --------------- > > Im compiling with guile2.2 > > Regards, > David > > > > > Regards > > Stefan > > > > On Mon, Feb 10, 2020 at 1:14 PM david larsson > > <david.lars...@selfhosted.xyz> wrote: > > > >> On 2020-02-09 21:36, Stefan Israelsson Tampe wrote: > >>> in sys that is > >>> > >>> On Sun, Feb 9, 2020 at 9:36 PM Stefan Israelsson Tampe > >>> <stefan.ita...@gmail.com> wrote: > >>> > >>>> OKey, I changed the values from immutable lists to lists. > >>>> > >> > >> Great! > >> > >>>> On Sun, Feb 9, 2020 at 9:27 PM Stefan Israelsson Tampe > >>>> <stefan.ita...@gmail.com> wrote: > >>>> > >>>> Note that a lot of things are untested because I'm alone on the > >>>> development. > >> > >> Ok, I understand. > >> > >> I haven't been able to build a recent version, but if you can share > >> some > >> updated instructions, then I could perhaps help out with some > >> occasional > >> testing. I have only managed to build from the old commit fc0d7a9 by > >> > >> updating the current python-on-guile guix package locally. > >> > >>>> > >>>> netlib is not included, you can test to add the python module > >> file > >>>> to a (language python module) directory > >> > >> What's been working for me so far is only (load "path/to/file.py") > >> and > >> (load-compiled "path/to/file.go"). > >> > >> (use-modules (a b c)) did not work for me, except to load modules > >> already shipped with python-on-guile repo; (language python module > >> python) etc. > >> > >>>> > >>>> I have recently added much more of the python stdlib aka 3.7 but > >> not > >>>> all. > >>>> > >>>> Not sure what you mean by .scm file and .py fle when it comes to > >>>> base64 > >>>> using that module in scheme gives > >>>> scheme@(guile-user)> (b64decode (b64encode "abc")) > >>>> $2 = b'abc' > >>>> scheme@(guile-user)> (b64decode (b64encode #(1 2 3))) > >>>> $3 = b'\x01\x02\x03' > >>>> > >>>> Which return a bytevector if you want a string back you need to > >>>> interpret the bytevector back to a string > >> > >> Im getting weird results when trying to output the base64 > >> representation > >> of a string, take btest.py: > >> #import sys > >> import base64 > >> def mybmethod(x): > >> mybytes = bytes(x, "utf-8") > >> encodedbytes = base64.b64encode(mybytes) > >> myb64string = str(encodedbytes, "utf-8") > >> return myb64string > >> #print(myb64string) > >> #mybmethod(sys.argv[1]) > >> > >> and assume btest.scm using it with: > >> (add-to-load-path (dirname (current-filename))) > >> (use-modules (language python module python)) > >> (load "btest.py") > >> (define-public (mybmethodscm cmdline) > >> (display (mybmethod (cadr cmdline)))) > >> > >> With this it will not work to run the scheme file with > >> guile -e mybmethodscm btest.scm dfasdf > >> > >> The error I got indicated that btest.py uses the bytes procedure > >> from > >> within python-on-guile instead of from the python3 base64 lib: > >> > >> ------------------- > >> > >> In > >> > > /home/user1/VirtualHome/src/code_guile/python-on-guile-test/btest.scm: > >> 18:11 4 (mybmethodscm _) > >> In btest.py: > >> 10:584 3 (_ "dfasdf" . _) > >> In oop/pf-objects.scm: > >> 584:15 2 (create-object _ _) > >> 567:11 1 (the-create-object _ _) > >> In language/python/bytes.scm: > >> 99:6 0 Exception thrown while printing backtrace: > >> Unbound slot in object Error while printing exception. > >> > >> language/python/bytes.scm:99:6: Wrong number of arguments to > >> #<procedure > >> 7f2bab5d4560 at language/python/bytes.scm:92:0 (self) | (self s)> > >> > >> ------------------- > >> > >> For a moment though, I could run: > >> > >> guile -e mybmethodscm btest.scm dfasdf | rev | base64 -d | rev > >> # gives: dfasdf > >> > >> which was also strange. > >> > >>>> > >>>> modules are a bit difficult as I use the guile module system and > >> the > >>>> python modules are different. > >>>> So nested modules needs some work. The best is to test and see. > >> > >> Ok, got it! > >> > >>>> > >>>> I will look into the sys thingies > >>>> > >>>> Regards > >>>> Stefan > >>>> > >>>> On Sun, Feb 9, 2020 at 8:40 PM david larsson > >>>> <david.lars...@selfhosted.xyz> wrote: > >>>> Thanks for your explanations, but unfortunately I still can't > >> figure > >>>> out > >>>> how to use this except in the simplest of cases. > >>>> > >>>> I am using the guix package python-on-guile 0.1.0-3.00a51a2 - > >> maybe > >>>> thats outdated? > >>>> > >>>> The simple things I have managed to do, are like: > >>>> > >>>> (add-to-load-path (dirname (current-filename))) > >>>> (load-compiled python-test.go) > >>>> > >>>> where python-test.go is compiled with: > >>>> > >>>> guild compile python-test.py --output=python-test.go > >>>> --from=python > >>>> > >>>> and contains simple things, like: > >>>> > >>>> f(s): > >>>> a = s + 1 > >>>> return a > >>>> > >>>> but if I add statements to python-test.py like: > >>>> > >>>> import netaddr > >>>> def myfun(a) > >>>> <something using netaddr> > >>>> > >>>> (netaddr is a module installed via: pip3 install --user netaddr) > >>>> > >>>> I receive an error about not finding the module. > >>>> > >>>> I am able to add only the modules which exist in the > >> python-on-guile > >>>> > >>>> repo, like: > >>>> > >>>> import sys > >>>> import base64 > >>>> > >>>> but Im getting errors, for example Im not able to use things from > >>>> sys, > >>>> like: > >>>> > >>>> sys.path.append(<somepath>) > >>>> sys.path.insert(0, <somepath>) > >>>> > >>>> I was able to use some things from base64 but I only received > >> weird > >>>> results when converting between bytevectors and strings between > >> the > >>>> .scm > >>>> file and .py file. What works fine using python3 python-test.py > >> do > >>>> not > >>>> usually work when passing either a bytevector or string to the > >> same > >>>> go-compiled file from the .scm file using the python-code. Not > >> sure > >>>> whether there's a problem using python3 vs python2 here? > >>>> > >>>> Essentially, what Im looking for is how to proceed if I want to > >> use > >>>> modules installed via the pip package manager from guile, and > >> what > >>>> paths > >>>> and imports I need to make, and how I might need to wrap them > >>>> correctly > >>>> in the scheme and python files to invoke a pip package procedure > >>>> from > >>>> guile. > >>>> > >>>> Best regards, > >>>> David > >>>> > >>>> On 2020-02-09 18:59, Stefan Israelsson Tampe wrote: > >>>>> I'm the author of that lib. > >>>>> > >>>>> 1) > >>>>> > >>>>> The main bindings are reachable through (language python module > >>>>> python) > >>>>> > >>>>> So you could now go ahead and do > >>>>>> (use-modules (language python module python)) > >>>>>> ;L python > >>>>> > >>>>> And you will get a python shell that works quite ok for one > >> liners > >>>>> > >>>>> 2) > >>>>> > >>>>> If you write a module and place it in a/b/c.py > >>>>> you can use the classes and functions theirin by > >>>>> > >>>>> (use-modules (a b c)) > >>>>> > >>>>> 3) > >>>>> you can load a .py file as (i hope this work) > >>>>> (load "a.py") > >>>>> > >>>>> 4) > >>>>> If you place a module in (language python module a.py) you can > >>>> import > >>>>> ir as a usual mode as > >>>>>> from a import * > >>>>> > >>>>> The documentation is for the macro framework that enables you to > >>>> work > >>>>> with python classes and idioms like python iteration. > >>>>> > >>>>> Hope this helps > >>>>> /Stefan > >>>>> > >>>>> On Sun, Feb 9, 2020 at 6:31 PM david larsson > >>>>> <david.lars...@selfhosted.xyz> wrote: > >>>>> > >>>>>> Hi everyone, > >>>>>> I am trying to wrap my head around how to use the > >> python-on-guile > >>>>>> library, but Im struggling. Does anyone have example code that > >>>> might > >>>>>> > >>>>>> help, and which isn't too advanced? > >>>>>> > >>>>>> All tips and suggestions appreciated! > >>>>>> > >>>>>> Best regards, > >>>>>> David >
