mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-10 19:16:34 +03:00
599432552a
ag -l Copyright | xargs sed -i \
"s/\(.*copyright (C) [0-9]\+\)\(-[0-9]\+\)\?\(.*\)/\1-$(date +%Y)\3/I"
142 lines
4.3 KiB
Python
Executable File
142 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python
|
|
"""Generate the errorcodes module starting from PostgreSQL documentation.
|
|
|
|
The script can be run at a new PostgreSQL release to refresh the module.
|
|
"""
|
|
|
|
# Copyright (C) 2010-2019 Daniele Varrazzo <daniele.varrazzo@gmail.com>
|
|
#
|
|
# 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.
|
|
from __future__ import print_function
|
|
|
|
import re
|
|
import sys
|
|
import urllib2
|
|
from collections import defaultdict
|
|
|
|
|
|
def main():
|
|
if len(sys.argv) != 2:
|
|
print("usage: %s /path/to/errorcodes.py" % sys.argv[0], file=sys.stderr)
|
|
return 2
|
|
|
|
filename = sys.argv[1]
|
|
|
|
file_start = read_base_file(filename)
|
|
# If you add a version to the list fix the docs (in errorcodes.rst)
|
|
classes, errors = fetch_errors(
|
|
['9.1', '9.2', '9.3', '9.4', '9.5', '9.6', '10', '11'])
|
|
|
|
f = open(filename, "w")
|
|
for line in file_start:
|
|
print(line, file=f)
|
|
for line in generate_module_data(classes, errors):
|
|
print(line, file=f)
|
|
|
|
|
|
def read_base_file(filename):
|
|
rv = []
|
|
for line in open(filename):
|
|
rv.append(line.rstrip("\n"))
|
|
if line.startswith("# autogenerated"):
|
|
return rv
|
|
|
|
raise ValueError("can't find the separator. Is this the right file?")
|
|
|
|
|
|
def parse_errors_txt(url):
|
|
classes = {}
|
|
errors = defaultdict(dict)
|
|
|
|
page = urllib2.urlopen(url)
|
|
for line in page:
|
|
# Strip comments and skip blanks
|
|
line = line.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 publically visible
|
|
if not spec:
|
|
continue
|
|
errlabel = spec.upper()
|
|
errors[class_][errcode] = errlabel
|
|
continue
|
|
|
|
# We don't expect anything else
|
|
raise ValueError("unexpected line:\n%s" % 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 = '%s%s_STABLE' % (
|
|
(tver[0] >= 10 and 'REL_' or 'REL'),
|
|
version.replace('.', '_'))
|
|
c1, e1 = parse_errors_txt(errors_txt_url % tag)
|
|
classes.update(c1)
|
|
|
|
# This error was in old server versions but probably never used
|
|
# https://github.com/postgres/postgres/commit/12f87b2c82
|
|
errors['22']['22020'] = 'INVALID_LIMIT_VALUE'
|
|
|
|
# TODO: this error was added in PG 10 beta 1 but dropped in the
|
|
# final release. It doesn't harm leaving it in the file. Check if it
|
|
# will be added back in PG 12.
|
|
# https://github.com/postgres/postgres/commit/28e0727076
|
|
errors['55']['55P04'] = 'UNSAFE_NEW_ENUM_VALUE_USAGE'
|
|
|
|
for c, cerrs in e1.items():
|
|
errors[c].update(cerrs)
|
|
|
|
return classes, errors
|
|
|
|
|
|
def generate_module_data(classes, errors):
|
|
yield ""
|
|
yield "# Error classes"
|
|
for clscode, clslabel in sorted(classes.items()):
|
|
err = clslabel.split(" - ")[1].split("(")[0] \
|
|
.strip().replace(" ", "_").replace('/', "_").upper()
|
|
yield "CLASS_%s = %r" % (err, clscode)
|
|
|
|
for clscode, clslabel in sorted(classes.items()):
|
|
yield ""
|
|
yield "# %s" % clslabel
|
|
|
|
for errcode, errlabel in sorted(errors[clscode].items()):
|
|
yield "%s = %r" % (errlabel, errcode)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main())
|