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config module refactor

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This commit is contained in:
jevans 2014-09-22 21:15:12 -04:00
commit 4ac5b575d2
1 changed files with 7 additions and 12 deletions
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19
glymur/lib/config.py
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@ -73,7 +73,6 @@ def load_openjpeg(path):
return load_library_handle(path) return load_library_handle(path)
def load_openjp2(path): def load_openjp2(path):
"""Load the openjp2 library, falling back on defaults if necessary. """Load the openjp2 library, falling back on defaults if necessary.
""" """
@ -100,7 +99,7 @@ def load_openjp2(path):
def load_library_handle(path): def load_library_handle(path):
"""Load the library, return the ctypes handle.""" """Load the library, return the ctypes handle."""
if path is None: if path is None or path in ['None', 'none']:
# Either could not find a library via ctypes or user-configuration-file, # Either could not find a library via ctypes or user-configuration-file,
# or we could not find it in any of the default locations. # or we could not find it in any of the default locations.
# This is probably a very old linux. # This is probably a very old linux.
@ -130,14 +129,11 @@ def read_config_file():
# Read the configuration file for the library location. # Read the configuration file for the library location.
parser = ConfigParser() parser = ConfigParser()
parser.read(filename) parser.read(filename)
try: for name in ['openjp2', 'openjpeg']:
lib['openjp2'] = parser.get('library', 'openjp2') try:
except NoOptionError: lib[name] = parser.get('library', name)
pass except NoOptionError:
try: pass
lib['openjpeg'] = parser.get('library', 'openjpeg')
except NoOptionError:
pass
return lib return lib
@ -150,8 +146,7 @@ def glymur_config():
libopenjpeg_handle = load_openjpeg(libs['openjpeg']) libopenjpeg_handle = load_openjpeg(libs['openjpeg'])
if libopenjp2_handle is None and libopenjpeg_handle is None: if libopenjp2_handle is None and libopenjpeg_handle is None:
msg = "Neither the openjp2 nor the openjpeg library could be loaded. " msg = "Neither the openjp2 nor the openjpeg library could be loaded. "
msg += "Operating in severely degraded mode." raise IOError(msg)
warnings.warn(msg, UserWarning)
return libopenjp2_handle, libopenjpeg_handle return libopenjp2_handle, libopenjpeg_handle