How to use pygeodiff - 10 common examples
To help you get started, we’ve selected a few pygeodiff examples, based on popular ways it is used in public projects.
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lutraconsulting / geodiff / pygeodiff / geodifflib.py View on Github 
def __init__(self, name):
if name is None:
self.libname = self.package_libname()
if not os.path.exists(self.libname):
# not found, try system library
self.libname = find_library("geodiff")
else:
self.libname = name
if self.libname is None:
raise GeoDiffLibVersionError("Unable to locate GeoDiff library, tried " + self.package_libname() + " and geodiff on system.")
self.lib = ctypes.CDLL(self.libname, use_errno=True)
self.init()
self.check_version()def has_changes(self, changeset):
func = self.lib.GEODIFF_hasChanges
func.argtypes = [ctypes.c_char_p]
func.restype = ctypes.c_int
# create byte objects from the strings
b_string1 = changeset.encode('utf-8')
nchanges = func(b_string1)
if nchanges < 0:
raise GeoDiffLibError("has_changes")
return nchanges == 1def _parse_return_code(rc, msg):
if rc == SUCCESS:
return
elif rc == ERROR:
raise GeoDiffLibError(msg)
elif rc == CONFLICT:
raise GeoDiffLibConflictError(msg)
elif rc == UNSUPPORTED_CHANGE:
raise GeoDiffLibUnsupportedChangeError(msg)
else:
raise GeoDiffLibVersionError("Internal error (enum " + str(rc) + " not handled)"):copyright: (c) 2019 Peter Petrik
:license: MIT, see LICENSE for more details.
'''
import ctypes
import os
import platform
from ctypes.util import find_library
from .__about__ import __version__
class GeoDiffLibError(Exception):
pass
class GeoDiffLibConflictError(GeoDiffLibError):
pass
class GeoDiffLibUnsupportedChangeError(GeoDiffLibError):
pass
class GeoDiffLibVersionError(GeoDiffLibError):
pass
# keep in sync with c-library
SUCCESS=0
ERROR=1
CONFLICT=2
UNSUPPORTED_CHANGE=3
def _parse_return_code(rc, msg):import ctypes
import os
import platform
from ctypes.util import find_library
from .__about__ import __version__
class GeoDiffLibError(Exception):
pass
class GeoDiffLibConflictError(GeoDiffLibError):
pass
class GeoDiffLibUnsupportedChangeError(GeoDiffLibError):
pass
class GeoDiffLibVersionError(GeoDiffLibError):
pass
# keep in sync with c-library
SUCCESS=0
ERROR=1
CONFLICT=2
UNSUPPORTED_CHANGE=3
def _parse_return_code(rc, msg):
if rc == SUCCESS:
return
elif rc == ERROR:import platform
from ctypes.util import find_library
from .__about__ import __version__
class GeoDiffLibError(Exception):
pass
class GeoDiffLibConflictError(GeoDiffLibError):
pass
class GeoDiffLibUnsupportedChangeError(GeoDiffLibError):
pass
class GeoDiffLibVersionError(GeoDiffLibError):
pass
# keep in sync with c-library
SUCCESS=0
ERROR=1
CONFLICT=2
UNSUPPORTED_CHANGE=3
def _parse_return_code(rc, msg):
if rc == SUCCESS:
return
elif rc == ERROR:
raise GeoDiffLibError(msg)
elif rc == CONFLICT:
raise GeoDiffLibConflictError(msg)def _parse_return_code(rc, msg):
if rc == SUCCESS:
return
elif rc == ERROR:
raise GeoDiffLibError(msg)
elif rc == CONFLICT:
raise GeoDiffLibConflictError(msg)
elif rc == UNSUPPORTED_CHANGE:
raise GeoDiffLibUnsupportedChangeError(msg)
else:
raise GeoDiffLibVersionError("Internal error (enum " + str(rc) + " not handled)")def check_version(self):
cversion = self.version()
pyversion = __version__
if cversion != pyversion:
raise GeoDiffLibVersionError("version mismatch (%s C vs %s PY)".format(cversion, pyversion))def _parse_return_code(rc, msg):
if rc == SUCCESS:
return
elif rc == ERROR:
raise GeoDiffLibError(msg)
elif rc == CONFLICT:
raise GeoDiffLibConflictError(msg)
elif rc == UNSUPPORTED_CHANGE:
raise GeoDiffLibUnsupportedChangeError(msg)
else:
raise GeoDiffLibVersionError("Internal error (enum " + str(rc) + " not handled)")def _parse_return_code(rc, msg):
if rc == SUCCESS:
return
elif rc == ERROR:
raise GeoDiffLibError(msg)
elif rc == CONFLICT:
raise GeoDiffLibConflictError(msg)
elif rc == UNSUPPORTED_CHANGE:
raise GeoDiffLibUnsupportedChangeError(msg)
else:
raise GeoDiffLibVersionError("Internal error (enum " + str(rc) + " not handled)")
