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fix glib prefix on windows #550

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merged 1 commit into from
Aug 27, 2025
Merged

fix glib prefix on windows #550

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17 changes: 11 additions & 6 deletions pyvips/__init__.py
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Original file line number Diff line number Diff line change
Expand Up @@ -10,16 +10,16 @@
# user code can override this null handler
logger.addHandler(logging.NullHandler())

def library_name(name, abi_number):
def library_name(name, abi_number, lib_prefix='lib'):
is_windows = os.name == 'nt'
is_mac = sys.platform == 'darwin'

if is_windows:
return f'lib{name}-{abi_number}.dll'
return f'{lib_prefix}{name}-{abi_number}.dll'
elif is_mac:
return f'lib{name}.{abi_number}.dylib'
return f'{lib_prefix}{name}.{abi_number}.dylib'
else:
return f'lib{name}.so.{abi_number}'
return f'{lib_prefix}{name}.so.{abi_number}'

# pull in our module version number
from .version import __version__
Expand Down Expand Up @@ -103,8 +103,13 @@ def library_name(name, abi_number):
is_unified = False

if not is_unified:
glib_lib = ffi.dlopen(library_name('glib-2.0', 0))
gobject_lib = ffi.dlopen(library_name('gobject-2.0', 0))
try:
glib_lib = ffi.dlopen(library_name('glib-2.0', 0))
gobject_lib = ffi.dlopen(library_name('gobject-2.0', 0))
except Exception:
# on windows glib maybe named glib-2.0-0.dll instead of libglib-2.0-0.dll
glib_lib = ffi.dlopen(library_name('glib-2.0', 0, lib_prefix=''))
gobject_lib = ffi.dlopen(library_name('gobject-2.0', 0, lib_prefix=''))

logger.debug('Loaded lib %s', glib_lib)
logger.debug('Loaded lib %s', gobject_lib)
Expand Down