def mac_set_relative_dylib_deps(libname): """ On Mac OS X set relative paths to dynamic library dependencies of `libname`. Relative paths allow to avoid using environment variable DYLD_LIBRARY_PATH. There are known some issues with DYLD_LIBRARY_PATH. Relative paths is more flexible mechanism. Current location of dependend libraries is derived from the location of the executable (paths start with '@executable_path'). @executable_path or @loader_path fail in some situations (@loader_path - qt4 plugins, @executable_path - Python built-in hashlib module). """ from PyInstaller.lib.macholib import util from PyInstaller.lib.macholib.MachO import MachO # Ignore bootloader otherwise PyInstaller fails with exception like # 'ValueError: total_size > low_offset (288 > 0)' if os.path.basename(libname) in _BOOTLOADER_FNAMES: return def match_func(pth): """For system libraries is still used absolute path. It is unchanged.""" # Match non system dynamic libraries. if not util.in_system_path(pth): # Use relative path to dependend dynamic libraries bases on # location of the executable. return os.path.join('@executable_path', os.path.basename(pth)) # Rewrite mach headers with @executable_path. dll = MachO(libname) dll.rewriteLoadCommands(match_func) # Write changes into file. # Write code is based on macholib example. try: f = open(dll.filename, 'rb+') for header in dll.headers: f.seek(0) dll.write(f) f.seek(0, 2) f.flush() f.close() except Exception: pass
def mac_set_relative_dylib_deps(libname, distname): """ On Mac OS X set relative paths to dynamic library dependencies of `libname`. Relative paths allow to avoid using environment variable DYLD_LIBRARY_PATH. There are known some issues with DYLD_LIBRARY_PATH. Relative paths is more flexible mechanism. Current location of dependend libraries is derived from the location of the library path (paths start with '@loader_path'). 'distname' path of the library relative to dist directory of frozen executable. We need this to determine the level of directory level for @loader_path of binaries not found in dist directory. E.g. qt4 plugins are not in the same directory as Qt*.dylib files. Without using '@loader_path/../..' for qt plugins Mac OS X would not be able to resolve shared library dependencies and qt plugins will not be loaded. """ from PyInstaller.lib.macholib import util from PyInstaller.lib.macholib.MachO import MachO # Ignore bootloader otherwise PyInstaller fails with exception like # 'ValueError: total_size > low_offset (288 > 0)' if os.path.basename(libname) in _BOOTLOADER_FNAMES: return # Determine how many directories up is the directory with shared # dynamic libraries. '../' # E.g. ./qt4_plugins/images/ -> ./../../ parent_dir = '' # Check if distname is not only base filename. if os.path.dirname(distname): parent_level = len(os.path.dirname(distname).split(os.sep)) parent_dir = parent_level * (os.pardir + os.sep) def match_func(pth): """ For system libraries is still used absolute path. It is unchanged. """ # Match non system dynamic libraries. if not util.in_system_path(pth): # Use relative path to dependend dynamic libraries bases on # location of the executable. return os.path.join('@loader_path', parent_dir, os.path.basename(pth)) # Rewrite mach headers with @loader_path. dll = MachO(libname) dll.rewriteLoadCommands(match_func) # Write changes into file. # Write code is based on macholib example. try: f = open(dll.filename, 'rb+') for header in dll.headers: f.seek(0) dll.write(f) f.seek(0, 2) f.flush() f.close() except Exception: pass