| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| """Library information.""" |
| import sys |
| import os |
| |
| |
| def split_env_var(env_var, split): |
| """Splits environment variable string. |
| |
| Parameters |
| ---------- |
| env_var : str |
| Name of environment variable. |
| |
| split : str |
| String to split env_var on. |
| |
| Returns |
| ------- |
| splits : list(string) |
| If env_var exists, split env_var. Otherwise, empty list. |
| """ |
| if os.environ.get(env_var, None): |
| return [p.strip() for p in os.environ[env_var].split(split)] |
| return [] |
| |
| |
| def get_dll_directories(): |
| """Get the possible dll directories""" |
| # NB: This will either be the source directory (if TVM is run |
| # inplace) or the install directory (if TVM is installed). |
| # An installed TVM's curr_path will look something like: |
| # $PREFIX/lib/python3.6/site-packages/tvm/_ffi |
| ffi_dir = os.path.dirname(os.path.realpath(os.path.expanduser(__file__))) |
| source_dir = os.path.join(ffi_dir, "..", "..", "..") |
| install_lib_dir = os.path.join(ffi_dir, "..", "..", "..", "..") |
| |
| dll_path = [] |
| |
| if os.environ.get("TVM_LIBRARY_PATH", None): |
| dll_path.append(os.environ["TVM_LIBRARY_PATH"]) |
| |
| if sys.platform.startswith("linux") or sys.platform.startswith("freebsd"): |
| dll_path.extend(split_env_var("LD_LIBRARY_PATH", ":")) |
| dll_path.extend(split_env_var("PATH", ":")) |
| elif sys.platform.startswith("darwin"): |
| dll_path.extend(split_env_var("DYLD_LIBRARY_PATH", ":")) |
| dll_path.extend(split_env_var("PATH", ":")) |
| elif sys.platform.startswith("win32"): |
| dll_path.extend(split_env_var("PATH", ";")) |
| |
| # Pip lib directory |
| dll_path.append(os.path.join(ffi_dir, "..")) |
| # Default cmake build directory |
| dll_path.append(os.path.join(source_dir, "build")) |
| dll_path.append(os.path.join(source_dir, "build", "Release")) |
| # Default make build directory |
| dll_path.append(os.path.join(source_dir, "lib")) |
| |
| dll_path.append(install_lib_dir) |
| |
| if os.path.isdir(source_dir): |
| dll_path.append(os.path.join(source_dir, "web", "dist", "wasm")) |
| dll_path.append(os.path.join(source_dir, "web", "dist")) |
| |
| dll_path = [os.path.realpath(x) for x in dll_path] |
| return [x for x in dll_path if os.path.isdir(x)] |
| |
| |
| def find_lib_path(name=None, search_path=None, optional=False): |
| """Find dynamic library files. |
| |
| Parameters |
| ---------- |
| name : list of str |
| List of names to be found. |
| |
| Returns |
| ------- |
| lib_path : list(string) |
| List of all found path to the libraries |
| """ |
| use_runtime = os.environ.get("TVM_USE_RUNTIME_LIB", False) |
| dll_path = get_dll_directories() |
| |
| if search_path is not None: |
| if isinstance(search_path, list): |
| dll_path = dll_path + search_path |
| else: |
| dll_path.append(search_path) |
| |
| if name is not None: |
| if isinstance(name, list): |
| lib_dll_path = [] |
| for n in name: |
| lib_dll_path += [os.path.join(p, n) for p in dll_path] |
| else: |
| lib_dll_path = [os.path.join(p, name) for p in dll_path] |
| runtime_dll_path = [] |
| else: |
| if sys.platform.startswith("win32"): |
| lib_dll_names = ["libtvm.dll", "tvm.dll"] |
| runtime_dll_names = ["libtvm_runtime.dll", "tvm_runtime.dll"] |
| elif sys.platform.startswith("darwin"): |
| lib_dll_names = ["libtvm.dylib"] |
| runtime_dll_names = ["libtvm_runtime.dylib"] |
| else: |
| lib_dll_names = ["libtvm.so"] |
| runtime_dll_names = ["libtvm_runtime.so"] |
| |
| name = lib_dll_names + runtime_dll_names |
| lib_dll_path = [os.path.join(p, name) for name in lib_dll_names for p in dll_path] |
| runtime_dll_path = [os.path.join(p, name) for name in runtime_dll_names for p in dll_path] |
| |
| if not use_runtime: |
| # try to find lib_dll_path |
| lib_found = [p for p in lib_dll_path if os.path.exists(p) and os.path.isfile(p)] |
| lib_found += [p for p in runtime_dll_path if os.path.exists(p) and os.path.isfile(p)] |
| else: |
| # try to find runtime_dll_path |
| use_runtime = True |
| lib_found = [p for p in runtime_dll_path if os.path.exists(p) and os.path.isfile(p)] |
| |
| if not lib_found: |
| if not optional: |
| message = ( |
| f"Cannot find libraries: {name}\n" |
| + "List of candidates:\n" |
| + "\n".join(lib_dll_path + runtime_dll_path) |
| ) |
| raise RuntimeError(message) |
| return None |
| |
| if use_runtime: |
| sys.stderr.write("Loading runtime library %s... exec only\n" % lib_found[0]) |
| sys.stderr.flush() |
| return lib_found |
| |
| |
| def find_include_path(name=None, search_path=None, optional=False): |
| """Find header files for C compilation. |
| |
| Parameters |
| ---------- |
| name : list of str |
| List of directory names to be searched. |
| |
| Returns |
| ------- |
| include_path : list(string) |
| List of all found paths to header files. |
| """ |
| ffi_dir = os.path.dirname(os.path.abspath(os.path.expanduser(__file__))) |
| source_dir = os.path.join(ffi_dir, "..", "..", "..") |
| |
| third_party_dir = os.path.join(source_dir, "3rdparty") |
| |
| header_path = [] |
| |
| if os.environ.get("TVM_INCLUDE_PATH", None): |
| header_path.append(os.environ["TVM_INCLUDE_PATH"]) |
| |
| header_path.append(source_dir) |
| header_path.append(third_party_dir) |
| |
| header_path = [os.path.abspath(x) for x in header_path] |
| if search_path is not None: |
| if isinstance(search_path, list): |
| header_path = header_path + search_path |
| else: |
| header_path.append(search_path) |
| if name is not None: |
| if isinstance(name, list): |
| tvm_include_path = [] |
| for n in name: |
| tvm_include_path += [os.path.join(p, n) for p in header_path] |
| else: |
| tvm_include_path = [os.path.join(p, name) for p in header_path] |
| dlpack_include_path = [] |
| dmlc_include_path = [] |
| else: |
| tvm_include_path = [os.path.join(p, "include") for p in header_path] |
| dlpack_include_path = [os.path.join(p, "dlpack/include") for p in header_path] |
| dmlc_include_path = [os.path.join(p, "dmlc-core/include") for p in header_path] |
| |
| # try to find include path |
| include_found = [p for p in tvm_include_path if os.path.exists(p) and os.path.isdir(p)] |
| include_found += [p for p in dlpack_include_path if os.path.exists(p) and os.path.isdir(p)] |
| include_found += [p for p in dmlc_include_path if os.path.exists(p) and os.path.isdir(p)] |
| |
| if not include_found: |
| message = ( |
| "Cannot find the files.\n" |
| + "List of candidates:\n" |
| + str("\n".join(tvm_include_path + dlpack_include_path)) |
| ) |
| if not optional: |
| raise RuntimeError(message) |
| return None |
| |
| return include_found |
| |
| |
| # current version |
| # We use the version of the incoming release for code |
| # that is under development. |
| # The following line is set by tvm/python/update_version.py |
| __version__ = "0.11.1" |
