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author | 2015-08-24 10:51:13 +0300 | |
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committer | 2015-08-24 10:51:13 +0300 | |
commit | d3f26ece7d4383df0b22fe9c3cb3e695381ec737 (patch) | |
tree | ba42ddb547d363e92b1846df8a8712433981ddac /src/console/zmq/backend/cffi/_cffi.py | |
parent | 651a7d779551e193bd9dbadbe8b2a02bdab231b4 (diff) |
Initial push to external_lib migration
Diffstat (limited to 'src/console/zmq/backend/cffi/_cffi.py')
-rwxr-xr-x | src/console/zmq/backend/cffi/_cffi.py | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/src/console/zmq/backend/cffi/_cffi.py b/src/console/zmq/backend/cffi/_cffi.py deleted file mode 100755 index c73ebf83..00000000 --- a/src/console/zmq/backend/cffi/_cffi.py +++ /dev/null @@ -1,127 +0,0 @@ -# coding: utf-8 -"""The main CFFI wrapping of libzmq""" - -# Copyright (C) PyZMQ Developers -# Distributed under the terms of the Modified BSD License. - - -import json -import os -from os.path import dirname, join -from cffi import FFI - -from zmq.utils.constant_names import all_names, no_prefix - - -base_zmq_version = (3,2,2) - -def load_compiler_config(): - """load pyzmq compiler arguments""" - import zmq - zmq_dir = dirname(zmq.__file__) - zmq_parent = dirname(zmq_dir) - - fname = join(zmq_dir, 'utils', 'compiler.json') - if os.path.exists(fname): - with open(fname) as f: - cfg = json.load(f) - else: - cfg = {} - - cfg.setdefault("include_dirs", []) - cfg.setdefault("library_dirs", []) - cfg.setdefault("runtime_library_dirs", []) - cfg.setdefault("libraries", ["zmq"]) - - # cast to str, because cffi can't handle unicode paths (?!) - cfg['libraries'] = [str(lib) for lib in cfg['libraries']] - for key in ("include_dirs", "library_dirs", "runtime_library_dirs"): - # interpret paths relative to parent of zmq (like source tree) - abs_paths = [] - for p in cfg[key]: - if p.startswith('zmq'): - p = join(zmq_parent, p) - abs_paths.append(str(p)) - cfg[key] = abs_paths - return cfg - - -def zmq_version_info(): - """Get libzmq version as tuple of ints""" - major = ffi.new('int*') - minor = ffi.new('int*') - patch = ffi.new('int*') - - C.zmq_version(major, minor, patch) - - return (int(major[0]), int(minor[0]), int(patch[0])) - - -cfg = load_compiler_config() -ffi = FFI() - -def _make_defines(names): - _names = [] - for name in names: - define_line = "#define %s ..." % (name) - _names.append(define_line) - - return "\n".join(_names) - -c_constant_names = [] -for name in all_names: - if no_prefix(name): - c_constant_names.append(name) - else: - c_constant_names.append("ZMQ_" + name) - -# load ffi definitions -here = os.path.dirname(__file__) -with open(os.path.join(here, '_cdefs.h')) as f: - _cdefs = f.read() - -with open(os.path.join(here, '_verify.c')) as f: - _verify = f.read() - -ffi.cdef(_cdefs) -ffi.cdef(_make_defines(c_constant_names)) - -try: - C = ffi.verify(_verify, - modulename='_cffi_ext', - libraries=cfg['libraries'], - include_dirs=cfg['include_dirs'], - library_dirs=cfg['library_dirs'], - runtime_library_dirs=cfg['runtime_library_dirs'], - ) - _version_info = zmq_version_info() -except Exception as e: - raise ImportError("PyZMQ CFFI backend couldn't find zeromq: %s\n" - "Please check that you have zeromq headers and libraries." % e) - -if _version_info < (3,2,2): - raise ImportError("PyZMQ CFFI backend requires zeromq >= 3.2.2," - " but found %i.%i.%i" % _version_info - ) - -nsp = new_sizet_pointer = lambda length: ffi.new('size_t*', length) - -new_uint64_pointer = lambda: (ffi.new('uint64_t*'), - nsp(ffi.sizeof('uint64_t'))) -new_int64_pointer = lambda: (ffi.new('int64_t*'), - nsp(ffi.sizeof('int64_t'))) -new_int_pointer = lambda: (ffi.new('int*'), - nsp(ffi.sizeof('int'))) -new_binary_data = lambda length: (ffi.new('char[%d]' % (length)), - nsp(ffi.sizeof('char') * length)) - -value_uint64_pointer = lambda val : (ffi.new('uint64_t*', val), - ffi.sizeof('uint64_t')) -value_int64_pointer = lambda val: (ffi.new('int64_t*', val), - ffi.sizeof('int64_t')) -value_int_pointer = lambda val: (ffi.new('int*', val), - ffi.sizeof('int')) -value_binary_data = lambda val, length: (ffi.new('char[%d]' % (length + 1), val), - ffi.sizeof('char') * length) - -IPC_PATH_MAX_LEN = C.get_ipc_path_max_len() |