Files
chatmail-core/python/src/deltachat/_build.py

110 lines
3.4 KiB
Python

import distutils.ccompiler
import distutils.log
import distutils.sysconfig
import tempfile
import platform
import os
import cffi
import shutil
from os.path import dirname as dn
from os.path import abspath
def ffibuilder():
projdir = os.environ.get('DCC_RS_DEV')
if not projdir:
p = dn(dn(dn(dn(abspath(__file__)))))
projdir = os.environ["DCC_RS_DEV"] = p
target = os.environ.get('DCC_RS_TARGET', 'release')
if projdir:
if platform.system() == 'Darwin':
libs = ['resolv', 'dl']
extra_link_args = [
'-framework', 'CoreFoundation',
'-framework', 'CoreServices',
'-framework', 'Security',
]
elif platform.system() == 'Linux':
libs = ['rt', 'dl', 'm']
extra_link_args = []
else:
raise NotImplementedError("Compilation not supported yet on Windows, can you help?")
target_dir = os.environ.get("CARGO_TARGET_DIR")
if target_dir is None:
target_dir = os.path.join(projdir, 'target')
objs = [os.path.join(target_dir, target, 'libdeltachat.a')]
assert os.path.exists(objs[0]), objs
incs = [os.path.join(projdir, 'deltachat-ffi')]
else:
libs = ['deltachat']
objs = []
incs = []
extra_link_args = []
builder = cffi.FFI()
builder.set_source(
'deltachat.capi',
"""
#include <deltachat.h>
const char * dupstring_helper(const char* string)
{
return strdup(string);
}
int dc_get_event_signature_types(int e)
{
int result = 0;
if (DC_EVENT_DATA1_IS_STRING(e))
result |= 1;
if (DC_EVENT_DATA2_IS_STRING(e))
result |= 2;
if (DC_EVENT_RETURNS_STRING(e))
result |= 4;
if (DC_EVENT_RETURNS_INT(e))
result |= 8;
return result;
}
""",
include_dirs=incs,
libraries=libs,
extra_objects=objs,
extra_link_args=extra_link_args,
)
builder.cdef("""
typedef int... time_t;
void free(void *ptr);
extern const char * dupstring_helper(const char* string);
extern int dc_get_event_signature_types(int);
""")
distutils.log.set_verbosity(distutils.log.INFO)
cc = distutils.ccompiler.new_compiler(force=True)
distutils.sysconfig.customize_compiler(cc)
tmpdir = tempfile.mkdtemp()
try:
src_name = os.path.join(tmpdir, "include.h")
dst_name = os.path.join(tmpdir, "expanded.h")
with open(src_name, "w") as src_fp:
src_fp.write('#include <deltachat.h>')
cc.preprocess(source=src_name,
output_file=dst_name,
include_dirs=incs,
macros=[('PY_CFFI', '1')])
with open(dst_name, "r") as dst_fp:
builder.cdef(dst_fp.read())
finally:
shutil.rmtree(tmpdir)
builder.cdef("""
extern "Python" uintptr_t py_dc_callback(
dc_context_t* context,
int event,
uintptr_t data1,
uintptr_t data2);
""")
return builder
if __name__ == '__main__':
import os.path
pkgdir = os.path.join(os.path.dirname(__file__), '..')
builder = ffibuilder()
builder.compile(tmpdir=pkgdir, verbose=True)