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-rw-r--r--src/_cffi_src/utils.py13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/_cffi_src/utils.py b/src/_cffi_src/utils.py
index d3dd18a4..eecd6ea1 100644
--- a/src/_cffi_src/utils.py
+++ b/src/_cffi_src/utils.py
@@ -4,6 +4,7 @@
from __future__ import absolute_import, division, print_function
+import os
import sys
from distutils.ccompiler import new_compiler
from distutils.dist import Distribution
@@ -11,6 +12,13 @@ from distutils.dist import Distribution
from cffi import FFI
+# Load the cryptography __about__ to get the current package version
+base_src = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+about = {}
+with open(os.path.join(base_src, "cryptography", "__about__.py")) as f:
+ exec(f.read(), about)
+
+
def build_ffi_for_binding(module_name, module_prefix, modules, libraries=[],
extra_compile_args=[], extra_link_args=[]):
"""
@@ -55,6 +63,11 @@ def build_ffi_for_binding(module_name, module_prefix, modules, libraries=[],
def build_ffi(module_name, cdef_source, verify_source, libraries=[],
extra_compile_args=[], extra_link_args=[]):
ffi = FFI()
+ # Always add the CRYPTOGRAPHY_PACKAGE_VERSION to the shared object
+ cdef_source += "\nstatic const char *const CRYPTOGRAPHY_PACKAGE_VERSION;"
+ verify_source += '\n#define CRYPTOGRAPHY_PACKAGE_VERSION "{}"'.format(
+ about["__version__"]
+ )
ffi.cdef(cdef_source)
ffi.set_source(
module_name,