aboutsummaryrefslogtreecommitdiff
path: root/.venv/lib/python3.12/site-packages/cffi/ffiplatform.py
diff options
context:
space:
mode:
Diffstat (limited to '.venv/lib/python3.12/site-packages/cffi/ffiplatform.py')
-rw-r--r--.venv/lib/python3.12/site-packages/cffi/ffiplatform.py113
1 files changed, 113 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/cffi/ffiplatform.py b/.venv/lib/python3.12/site-packages/cffi/ffiplatform.py
new file mode 100644
index 00000000..adca28f1
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/cffi/ffiplatform.py
@@ -0,0 +1,113 @@
+import sys, os
+from .error import VerificationError
+
+
+LIST_OF_FILE_NAMES = ['sources', 'include_dirs', 'library_dirs',
+ 'extra_objects', 'depends']
+
+def get_extension(srcfilename, modname, sources=(), **kwds):
+ from cffi._shimmed_dist_utils import Extension
+ allsources = [srcfilename]
+ for src in sources:
+ allsources.append(os.path.normpath(src))
+ return Extension(name=modname, sources=allsources, **kwds)
+
+def compile(tmpdir, ext, compiler_verbose=0, debug=None):
+ """Compile a C extension module using distutils."""
+
+ saved_environ = os.environ.copy()
+ try:
+ outputfilename = _build(tmpdir, ext, compiler_verbose, debug)
+ outputfilename = os.path.abspath(outputfilename)
+ finally:
+ # workaround for a distutils bugs where some env vars can
+ # become longer and longer every time it is used
+ for key, value in saved_environ.items():
+ if os.environ.get(key) != value:
+ os.environ[key] = value
+ return outputfilename
+
+def _build(tmpdir, ext, compiler_verbose=0, debug=None):
+ # XXX compact but horrible :-(
+ from cffi._shimmed_dist_utils import Distribution, CompileError, LinkError, set_threshold, set_verbosity
+
+ dist = Distribution({'ext_modules': [ext]})
+ dist.parse_config_files()
+ options = dist.get_option_dict('build_ext')
+ if debug is None:
+ debug = sys.flags.debug
+ options['debug'] = ('ffiplatform', debug)
+ options['force'] = ('ffiplatform', True)
+ options['build_lib'] = ('ffiplatform', tmpdir)
+ options['build_temp'] = ('ffiplatform', tmpdir)
+ #
+ try:
+ old_level = set_threshold(0) or 0
+ try:
+ set_verbosity(compiler_verbose)
+ dist.run_command('build_ext')
+ cmd_obj = dist.get_command_obj('build_ext')
+ [soname] = cmd_obj.get_outputs()
+ finally:
+ set_threshold(old_level)
+ except (CompileError, LinkError) as e:
+ raise VerificationError('%s: %s' % (e.__class__.__name__, e))
+ #
+ return soname
+
+try:
+ from os.path import samefile
+except ImportError:
+ def samefile(f1, f2):
+ return os.path.abspath(f1) == os.path.abspath(f2)
+
+def maybe_relative_path(path):
+ if not os.path.isabs(path):
+ return path # already relative
+ dir = path
+ names = []
+ while True:
+ prevdir = dir
+ dir, name = os.path.split(prevdir)
+ if dir == prevdir or not dir:
+ return path # failed to make it relative
+ names.append(name)
+ try:
+ if samefile(dir, os.curdir):
+ names.reverse()
+ return os.path.join(*names)
+ except OSError:
+ pass
+
+# ____________________________________________________________
+
+try:
+ int_or_long = (int, long)
+ import cStringIO
+except NameError:
+ int_or_long = int # Python 3
+ import io as cStringIO
+
+def _flatten(x, f):
+ if isinstance(x, str):
+ f.write('%ds%s' % (len(x), x))
+ elif isinstance(x, dict):
+ keys = sorted(x.keys())
+ f.write('%dd' % len(keys))
+ for key in keys:
+ _flatten(key, f)
+ _flatten(x[key], f)
+ elif isinstance(x, (list, tuple)):
+ f.write('%dl' % len(x))
+ for value in x:
+ _flatten(value, f)
+ elif isinstance(x, int_or_long):
+ f.write('%di' % (x,))
+ else:
+ raise TypeError(
+ "the keywords to verify() contains unsupported object %r" % (x,))
+
+def flatten(x):
+ f = cStringIO.StringIO()
+ _flatten(x, f)
+ return f.getvalue()