eccodes/deprecated/python/create_errors.py.sh

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#!/usr/bin/env perl
# This script is used to generate the file "python/gribapi/errors.py"
# It reads "src/grib_errors.c" which it expects to be up-to-date with
# all the error codes.
$|=1;
my $input = '../src/grib_errors.c';
my $print_class = 1;
my %errmap = ();
# Print header
# -------------------------------------
my $header = <<'END_HEADER';
"""
Exception class hierarchy
"""
import gribapi_swig as _internal
class GribInternalError(Exception):
"""
@brief Wrap errors coming from the C API in a Python exception object.
Base class for all exceptions
"""
def __init__(self, value):
# Call the base class constructor with the parameters it needs
Exception.__init__(self, value)
if type(value) is int:
err, self.msg = _internal.grib_c_get_error_string(value, 1024)
assert err == 0
else:
self.msg = value
def __str__(self):
return self.msg
END_HEADER
print $header;
# Print the exception classes
# -------------------------------------
while (<>) {
# Example of input line
# "Passed array is too small", /* -6 GRIB_ARRAY_TOO_SMALL */
if (/^"(.*)",\s+\/\* (.*) (.*) \*\//) {
$desc = $1;
$code = $2;
$name = $3;
next if ($code == 0);
$name =~ s/GRIB_//;
$name_lc = $name;
$name_lc =~ s/_/ /g;
$name_lc = lc $name_lc;
$name_lc =~ s/(\w+)/\u$1/g;
$name_lc =~ s/ //g;
$name = $name_lc;
if ($name !~ /Error$/) {
$name = $name . "Error";
}
$name = 'FunctionNotImplementedError' if ($name eq 'NotImplementedError');
$name = 'MessageEndNotFoundError' if ($name eq '7777NotFoundError');
$name = 'IOProblemError' if ($name eq 'IoProblemError');
$name = 'MessageInvalidError' if ($name eq 'InvalidMessageError');
$name = 'GeocalculusError' if ($name eq 'GeocalculusProblemError');
$name = 'InvalidOrderByError' if ($name eq 'InvalidOrderbyError');
$name = 'InvalidBitsPerValueError' if ($name eq 'InvalidBpvError');
$name = 'KeyValueNotFoundError' if ($name eq 'NotFoundError');
$name = 'MemoryAllocationError' if ($name eq 'OutOfMemoryError');
# Print the class declaration
print "class ${name}(GribInternalError):\n";
print " \"\"\"${desc}.\"\"\"\n";
$errmap{$code} = $name; # store for later
}
}
# Print the map
# -------------------------------------
my $size = keys %errmap;
print "\nERROR_MAP = {\n";
my $i = 0;
for $key (sort { $a <=> $b } keys %errmap) {
$i++;
my $ktext = sprintf("%-3d", $key);
print " $ktext : $errmap{$key}";
print ",\n" if ($i < $size);
}
print "\n}\n\n";
# Print footer
# -------------------------------------
my $footer = <<'END_FOOTER';
def raise_grib_error(errid):
"""
Raise the GribInternalError corresponding to ``errid``.
"""
raise ERROR_MAP[errid](errid)
END_FOOTER
print $footer;