mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-09-20 18:58:55 +03:00
138 lines
4.1 KiB
Python
Executable File
138 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
"""Generate the errors module from PostgreSQL source code.
|
|
|
|
The script can be run at a new PostgreSQL release to refresh the module.
|
|
"""
|
|
|
|
# Copyright (C) 2018-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
|
|
# Copyright (C) 2020-2021 The Psycopg Team
|
|
#
|
|
# psycopg2 is free software: you can redistribute it and/or modify it
|
|
# under the terms of the GNU Lesser General Public License as published
|
|
# by the Free Software Foundation, either version 3 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# psycopg2 is distributed in the hope that it will be useful, but WITHOUT
|
|
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
# License for more details.
|
|
|
|
import os
|
|
import re
|
|
import sys
|
|
from urllib.request import urlopen
|
|
from collections import defaultdict
|
|
|
|
|
|
def main():
|
|
filename = os.path.join(
|
|
os.path.dirname(__file__), "../psycopg/sqlstate_errors.h")
|
|
|
|
# If you add a version to the list fix the docs (in errors.rst)
|
|
classes, errors = fetch_errors(
|
|
'9.1 9.2 9.3 9.4 9.5 9.6 10 11 12 13 14 15'.split())
|
|
|
|
f = open(filename, "w")
|
|
print("/*\n * Autogenerated by 'scripts/make_errors.py'.\n */\n", file=f)
|
|
for line in generate_module_data(classes, errors):
|
|
print(line, file=f)
|
|
|
|
|
|
def parse_errors_txt(url):
|
|
classes = {}
|
|
errors = defaultdict(dict)
|
|
|
|
page = urlopen(url)
|
|
for line in page:
|
|
# Strip comments and skip blanks
|
|
line = line.decode('ascii').split('#')[0].strip()
|
|
if not line:
|
|
continue
|
|
|
|
# Parse a section
|
|
m = re.match(r"Section: (Class (..) - .+)", line)
|
|
if m:
|
|
label, class_ = m.groups()
|
|
classes[class_] = label
|
|
continue
|
|
|
|
# Parse an error
|
|
m = re.match(r"(.....)\s+(?:E|W|S)\s+ERRCODE_(\S+)(?:\s+(\S+))?$", line)
|
|
if m:
|
|
errcode, macro, spec = m.groups()
|
|
# skip errcodes without specs as they are not publicly visible
|
|
if not spec:
|
|
continue
|
|
errlabel = spec.upper()
|
|
errors[class_][errcode] = errlabel
|
|
continue
|
|
|
|
# We don't expect anything else
|
|
raise ValueError(f"unexpected line:\n{line}")
|
|
|
|
return classes, errors
|
|
|
|
|
|
errors_txt_url = \
|
|
"http://git.postgresql.org/gitweb/?p=postgresql.git;a=blob_plain;" \
|
|
"f=src/backend/utils/errcodes.txt;hb=%s"
|
|
|
|
|
|
def fetch_errors(versions):
|
|
classes = {}
|
|
errors = defaultdict(dict)
|
|
|
|
for version in versions:
|
|
print(version, file=sys.stderr)
|
|
tver = tuple(map(int, version.split()[0].split('.')))
|
|
tag = f"{tver[0] >= 10 and 'REL_' or 'REL'}{version.replace('.', '_')}_STABLE"
|
|
c1, e1 = parse_errors_txt(errors_txt_url % tag)
|
|
classes.update(c1)
|
|
|
|
for c, cerrs in e1.items():
|
|
errors[c].update(cerrs)
|
|
|
|
return classes, errors
|
|
|
|
|
|
def generate_module_data(classes, errors):
|
|
tmpl = '{"%(errcode)s", "%(cls)s"},'
|
|
specific = {
|
|
'38002': 'ModifyingSqlDataNotPermittedExt',
|
|
'38003': 'ProhibitedSqlStatementAttemptedExt',
|
|
'38004': 'ReadingSqlDataNotPermittedExt',
|
|
'39004': 'NullValueNotAllowedExt',
|
|
'XX000': 'InternalError_',
|
|
}
|
|
|
|
seen = set("""
|
|
Error Warning InterfaceError DataError DatabaseError ProgrammingError
|
|
IntegrityError InternalError NotSupportedError OperationalError
|
|
QueryCanceledError TransactionRollbackError
|
|
""".split())
|
|
|
|
for clscode, clslabel in sorted(classes.items()):
|
|
if clscode in ('00', '01'):
|
|
# success and warning - never raised
|
|
continue
|
|
|
|
yield f"\n/* {clslabel} */"
|
|
|
|
for errcode, errlabel in sorted(errors[clscode].items()):
|
|
if errcode in specific:
|
|
clsname = specific[errcode]
|
|
else:
|
|
clsname = errlabel.title().replace('_', '')
|
|
if clsname in seen:
|
|
raise Exception(f"class already existing: {clsname}")
|
|
seen.add(clsname)
|
|
|
|
yield tmpl % {
|
|
'cls': clsname,
|
|
'errcode': errcode
|
|
}
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|