Comments (4)
inariksit
commented on August 20, 2024
1
Hello @Saibo-creator, thanks for reporting the issue!
What is your GF version? Does it work with any other PGF?
You can download this (Foods grammar compiled on my computer) to make sure that the problem isn't in your GF compiler. https://listenmaa.fi/b/Foods.pgf
If that doesn't help, you can try to install the Python bindings manually, following the steps below.
1. Install the C runtime
1.1 Download the source code at gf-core.
1.2 Go to the directory gf-core/src/runtime/c, where you find installation instructions. Follow them to install the C runtime.
2) Install the Python bindings
After installing the C runtime at gf-core/src/runtime/c, go to gf-core/src/runtime/python and run the following commands:
$ python setup.py build
$ sudo python setup.py installfrom gf-core.
krangelov
commented on August 20, 2024
1
With "pip install" you probably got pgf-2.2 which is not compatible with
the default binary installers for the GF compiler.
Try this:
pip uninstall pgf
pip install pgf==1.0
This is more likely to work but again it also depends on where you got the
compiler from.
Best Regards,
Krasimir
…On Thu, 9 Mar 2023 at 19:26, Saibo-creator ***@***.***> wrote:
Hello GF team,
I just started to try GF with python. I tried to run the starting example
showed here
https://github.com/GrammaticalFramework/gf-core/blob/master/src/runtime/python/examples/translation_pipeline.py
But I get an error and I don't know how to fix it. Thank you so much for
the help!
OS: Ubuntu 20.04 (It produces the same error on MacOS Monterey as well)
Python version:3.8.3
Reproduction
Install pyg with pip install pgf
create the following toy grammar files:
Food.gf
abstract Food = {
flags startcat = Phrase ;
cat
Phrase ; Item ; Kind ; Quality ;
fun
Is : Item -> Quality -> Phrase ;
This, That : Kind -> Item ;
QKind : Quality -> Kind -> Kind ;
Wine, Cheese, Fish : Kind ;
Very : Quality -> Quality ;
Fresh, Warm, Italian, Expensive, Delicious, Boring : Quality ;
}
FoodEng.gf
concrete FoodEng of Food = {
lincat
Phrase, Item, Kind, Quality = {s : Str} ;
lin
Is item quality = {s = item.s ++ "is" ++ quality.s} ;
This kind = {s = "this" ++ kind.s} ;
That kind = {s = "that" ++ kind.s} ;
QKind quality kind = {s = quality.s ++ kind.s} ;
Wine = {s = "wine"} ;
Cheese = {s = "cheese"} ;
Fish = {s = "fish"} ;
Very quality = {s = "very" ++ quality.s} ;
Fresh = {s = "fresh"} ;
Warm = {s = "warm"} ;
Italian = {s = "Italian"} ;
Expensive = {s = "expensive"} ;
Delicious = {s = "delicious"} ;
Boring = {s = "boring"} ;
}
compile into a pgf file:
gf -make FoodEng.gf
Get the following message
linking ... OK
Writing Food.pgf...
Try to load the pgf file in python.
import pgfpgffile = "./Food.pgf"grammar = pgf.readPGF(pgffile)
Error message
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
pgf.PGFError: Unknown expression tag
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Saibo-creator
commented on August 20, 2024
1
Hello @Saibo-creator, thanks for reporting the issue!
What is your GF version? Does it work with any other PGF? You can download this (Foods grammar compiled on my computer) to make sure that the problem isn't in your GF compiler. https://listenmaa.fi/b/Foods.pgf
If that doesn't help, you can try to install the Python bindings manually, following the steps below.
1. Install the C runtime
1.1 Download the source code at gf-core.
1.2 Go to the directory
gf-core/src/runtime/c, where you find installation instructions. Follow them to install the C runtime.2) Install the Python bindings
After installing the C runtime at
gf-core/src/runtime/c, go togf-core/src/runtime/pythonand run the following commands:$ python setup.py build $ sudo python setup.py install
Hello @inariksit , I confirm that I get the same error with https://listenmaa.fi/b/Foods.pgf
I tried to reinstall from source by following your instruction, and I get the following error message when run python setup.py build
(pgf_from_source) ➜ python git:(master) ✗ python setup.py build
In file included from pypgf.c:5:
In file included from /usr/local/include/gu/mem.h:9:
/usr/local/include/gu/defs.h:195:12: warning: this function declaration is not a prototype [-Wstrict-prototypes]
void (*fp)();
^
void
In file included from pypgf.c:5:
In file included from /usr/local/include/gu/mem.h:10:
/usr/local/include/gu/fun.h:6:21: warning: this function declaration is not a prototype [-Wstrict-prototypes]
typedef void (*GuFn)();
^
void
In file included from pypgf.c:9:
In file included from /usr/local/include/pgf/pgf.h:49:
In file included from /usr/local/include/pgf/expr.h:7:
/usr/local/include/gu/seq.h:19:13: warning: this function declaration is not a prototype [-Wstrict-prototypes]
gu_empty_seq();
^
void
pypgf.c:1740:77: error: too many arguments to function call, expected 6, have 7
pgf_complete(self->concr, type, sentence, prefix, prefix_bind, parse_err, pyres->pool);
~~~~~~~~~~~~ ^~~~~~~~~~~
/usr/local/include/pgf/pgf.h:253:1: note: 'pgf_complete' declared here
pgf_complete(PgfConcr* concr, PgfType* type, GuString string,
^
3 warnings and 1 error generated.
error: command '/usr/bin/gcc' failed with exit code 1
It seems that install pgf==1.0 indeed fixed the error, but I guess the error when installing from source may still be an issue ?
from gf-core.
Saibo-creator
commented on August 20, 2024
Hello @krangelov , indeed, it works with pgf==1.0
from gf-core.
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