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pygments.lexers._postgres_builtins.py Maven / Gradle / Ivy
"""
pygments.lexers._postgres_builtins
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Self-updating data files for PostgreSQL lexer.
:copyright: Copyright 2006-2012 by the Pygments team, see AUTHORS.
:license: BSD, see LICENSE for details.
"""
import re
import urllib
# One man's constant is another man's variable.
SOURCE_URL = 'https://github.com/postgres/postgres/raw/master'
KEYWORDS_URL = SOURCE_URL + '/doc/src/sgml/keywords.sgml'
DATATYPES_URL = SOURCE_URL + '/doc/src/sgml/datatype.sgml'
def update_myself():
data_file = list(fetch(DATATYPES_URL))
datatypes = parse_datatypes(data_file)
pseudos = parse_pseudos(data_file)
keywords = parse_keywords(fetch(KEYWORDS_URL))
update_consts(__file__, 'DATATYPES', datatypes)
update_consts(__file__, 'PSEUDO_TYPES', pseudos)
update_consts(__file__, 'KEYWORDS', keywords)
def parse_keywords(f):
kw = []
for m in re.finditer(
r'\s*([^<]+) ([^<]+) ', f.read()):
kw.append(m.group(1))
if not kw:
raise ValueError('no keyword found')
kw.sort()
return kw
def parse_datatypes(f):
dt = set()
re_entry = re.compile('\s*([^<]+) ' not in line:
continue
# Parse a string such as
# time [ (p ) ] [ without time zone ]
# into types "time" and "without time zone"
# remove all the tags
line = re.sub("[^<]+ ", "", line)
line = re.sub("<[^>]+>", "", line)
# Drop the parts containing braces
for tmp in [ t for tmp in line.split('[') for t in tmp.split(']') if "(" not in t ]:
for t in tmp.split(','):
t = t.strip()
if not t: continue
dt.add(" ".join(t.split()))
dt = list(dt)
dt.sort()
return dt
def parse_pseudos(f):
dt = []
re_start = re.compile(r'\s*')
re_entry = re.compile(r'\s*([^<]+)
')
f = iter(f)
for line in f:
if re_start.match(line) is not None:
break
else:
raise ValueError('pseudo datatypes table not found')
for line in f:
m = re_entry.match(line)
if m is not None:
dt.append(m.group(1))
if re_end.match(line) is not None:
break
else:
raise ValueError('end of pseudo datatypes table not found')
if not dt:
raise ValueError('pseudo datatypes not found')
return dt
def fetch(url):
return urllib.urlopen(url)
def update_consts(filename, constname, content):
f = open(filename)
lines = f.readlines()
f.close()
# Line to start/end inserting
re_start = re.compile(r'^%s\s*=\s*\[\s*$' % constname)
re_end = re.compile(r'^\s*\]\s*$')
start = [ n for n, l in enumerate(lines) if re_start.match(l) ]
if not start:
raise ValueError("couldn't find line containing '%s = ['" % constname)
if len(start) > 1:
raise ValueError("too many lines containing '%s = ['" % constname)
start = start[0] + 1
end = [ n for n, l in enumerate(lines) if n >= start and re_end.match(l) ]
if not end:
raise ValueError("couldn't find line containing ']' after %s " % constname)
end = end[0]
# Pack the new content in lines not too long
content = [repr(item) for item in content ]
new_lines = [[]]
for item in content:
if sum(map(len, new_lines[-1])) + 2 * len(new_lines[-1]) + len(item) + 4 > 75:
new_lines.append([])
new_lines[-1].append(item)
lines[start:end] = [ " %s,\n" % ", ".join(items) for items in new_lines ]
f = open(filename, 'w')
f.write(''.join(lines))
f.close()
# Autogenerated: please edit them if you like wasting your time.
KEYWORDS = [
'ABORT', 'ABSOLUTE', 'ACCESS', 'ACTION', 'ADD', 'ADMIN', 'AFTER',
'AGGREGATE', 'ALL', 'ALSO', 'ALTER', 'ALWAYS', 'ANALYSE', 'ANALYZE',
'AND', 'ANY', 'ARRAY', 'AS', 'ASC', 'ASSERTION', 'ASSIGNMENT',
'ASYMMETRIC', 'AT', 'ATTRIBUTE', 'AUTHORIZATION', 'BACKWARD', 'BEFORE',
'BEGIN', 'BETWEEN', 'BIGINT', 'BINARY', 'BIT', 'BOOLEAN', 'BOTH', 'BY',
'CACHE', 'CALLED', 'CASCADE', 'CASCADED', 'CASE', 'CAST', 'CATALOG',
'CHAIN', 'CHAR', 'CHARACTER', 'CHARACTERISTICS', 'CHECK', 'CHECKPOINT',
'CLASS', 'CLOSE', 'CLUSTER', 'COALESCE', 'COLLATE', 'COLLATION',
'COLUMN', 'COMMENT', 'COMMENTS', 'COMMIT', 'COMMITTED', 'CONCURRENTLY',
'CONFIGURATION', 'CONNECTION', 'CONSTRAINT', 'CONSTRAINTS', 'CONTENT',
'CONTINUE', 'CONVERSION', 'COPY', 'COST', 'CREATE', 'CROSS', 'CSV',
'CURRENT', 'CURRENT_CATALOG', 'CURRENT_DATE', 'CURRENT_ROLE',
'CURRENT_SCHEMA', 'CURRENT_TIME', 'CURRENT_TIMESTAMP', 'CURRENT_USER',
'CURSOR', 'CYCLE', 'DATA', 'DATABASE', 'DAY', 'DEALLOCATE', 'DEC',
'DECIMAL', 'DECLARE', 'DEFAULT', 'DEFAULTS', 'DEFERRABLE', 'DEFERRED',
'DEFINER', 'DELETE', 'DELIMITER', 'DELIMITERS', 'DESC', 'DICTIONARY',
'DISABLE', 'DISCARD', 'DISTINCT', 'DO', 'DOCUMENT', 'DOMAIN', 'DOUBLE',
'DROP', 'EACH', 'ELSE', 'ENABLE', 'ENCODING', 'ENCRYPTED', 'END',
'ENUM', 'ESCAPE', 'EXCEPT', 'EXCLUDE', 'EXCLUDING', 'EXCLUSIVE',
'EXECUTE', 'EXISTS', 'EXPLAIN', 'EXTENSION', 'EXTERNAL', 'EXTRACT',
'FALSE', 'FAMILY', 'FETCH', 'FIRST', 'FLOAT', 'FOLLOWING', 'FOR',
'FORCE', 'FOREIGN', 'FORWARD', 'FREEZE', 'FROM', 'FULL', 'FUNCTION',
'FUNCTIONS', 'GLOBAL', 'GRANT', 'GRANTED', 'GREATEST', 'GROUP',
'HANDLER', 'HAVING', 'HEADER', 'HOLD', 'HOUR', 'IDENTITY', 'IF',
'ILIKE', 'IMMEDIATE', 'IMMUTABLE', 'IMPLICIT', 'IN', 'INCLUDING',
'INCREMENT', 'INDEX', 'INDEXES', 'INHERIT', 'INHERITS', 'INITIALLY',
'INLINE', 'INNER', 'INOUT', 'INPUT', 'INSENSITIVE', 'INSERT', 'INSTEAD',
'INT', 'INTEGER', 'INTERSECT', 'INTERVAL', 'INTO', 'INVOKER', 'IS',
'ISNULL', 'ISOLATION', 'JOIN', 'KEY', 'LABEL', 'LANGUAGE', 'LARGE',
'LAST', 'LC_COLLATE', 'LC_CTYPE', 'LEADING', 'LEAST', 'LEFT', 'LEVEL',
'LIKE', 'LIMIT', 'LISTEN', 'LOAD', 'LOCAL', 'LOCALTIME',
'LOCALTIMESTAMP', 'LOCATION', 'LOCK', 'MAPPING', 'MATCH', 'MAXVALUE',
'MINUTE', 'MINVALUE', 'MODE', 'MONTH', 'MOVE', 'NAME', 'NAMES',
'NATIONAL', 'NATURAL', 'NCHAR', 'NEXT', 'NO', 'NONE', 'NOT', 'NOTHING',
'NOTIFY', 'NOTNULL', 'NOWAIT', 'NULL', 'NULLIF', 'NULLS', 'NUMERIC',
'OBJECT', 'OF', 'OFF', 'OFFSET', 'OIDS', 'ON', 'ONLY', 'OPERATOR',
'OPTION', 'OPTIONS', 'OR', 'ORDER', 'OUT', 'OUTER', 'OVER', 'OVERLAPS',
'OVERLAY', 'OWNED', 'OWNER', 'PARSER', 'PARTIAL', 'PARTITION',
'PASSING', 'PASSWORD', 'PLACING', 'PLANS', 'POSITION', 'PRECEDING',
'PRECISION', 'PREPARE', 'PREPARED', 'PRESERVE', 'PRIMARY', 'PRIOR',
'PRIVILEGES', 'PROCEDURAL', 'PROCEDURE', 'QUOTE', 'RANGE', 'READ',
'REAL', 'REASSIGN', 'RECHECK', 'RECURSIVE', 'REF', 'REFERENCES',
'REINDEX', 'RELATIVE', 'RELEASE', 'RENAME', 'REPEATABLE', 'REPLACE',
'REPLICA', 'RESET', 'RESTART', 'RESTRICT', 'RETURNING', 'RETURNS',
'REVOKE', 'RIGHT', 'ROLE', 'ROLLBACK', 'ROW', 'ROWS', 'RULE',
'SAVEPOINT', 'SCHEMA', 'SCROLL', 'SEARCH', 'SECOND', 'SECURITY',
'SELECT', 'SEQUENCE', 'SEQUENCES', 'SERIALIZABLE', 'SERVER', 'SESSION',
'SESSION_USER', 'SET', 'SETOF', 'SHARE', 'SHOW', 'SIMILAR', 'SIMPLE',
'SMALLINT', 'SOME', 'STABLE', 'STANDALONE', 'START', 'STATEMENT',
'STATISTICS', 'STDIN', 'STDOUT', 'STORAGE', 'STRICT', 'STRIP',
'SUBSTRING', 'SYMMETRIC', 'SYSID', 'SYSTEM', 'TABLE', 'TABLES',
'TABLESPACE', 'TEMP', 'TEMPLATE', 'TEMPORARY', 'TEXT', 'THEN', 'TIME',
'TIMESTAMP', 'TO', 'TRAILING', 'TRANSACTION', 'TREAT', 'TRIGGER',
'TRIM', 'TRUE', 'TRUNCATE', 'TRUSTED', 'TYPE', 'UNBOUNDED',
'UNCOMMITTED', 'UNENCRYPTED', 'UNION', 'UNIQUE', 'UNKNOWN', 'UNLISTEN',
'UNLOGGED', 'UNTIL', 'UPDATE', 'USER', 'USING', 'VACUUM', 'VALID',
'VALIDATE', 'VALIDATOR', 'VALUE', 'VALUES', 'VARCHAR', 'VARIADIC',
'VARYING', 'VERBOSE', 'VERSION', 'VIEW', 'VOLATILE', 'WHEN', 'WHERE',
'WHITESPACE', 'WINDOW', 'WITH', 'WITHOUT', 'WORK', 'WRAPPER', 'WRITE',
'XML', 'XMLATTRIBUTES', 'XMLCONCAT', 'XMLELEMENT', 'XMLEXISTS',
'XMLFOREST', 'XMLPARSE', 'XMLPI', 'XMLROOT', 'XMLSERIALIZE', 'YEAR',
'YES', 'ZONE',
]
DATATYPES = [
'bigint', 'bigserial', 'bit', 'bit varying', 'bool', 'boolean', 'box',
'bytea', 'char', 'character', 'character varying', 'cidr', 'circle',
'date', 'decimal', 'double precision', 'float4', 'float8', 'inet',
'int', 'int2', 'int4', 'int8', 'integer', 'interval', 'json', 'line',
'lseg', 'macaddr', 'money', 'numeric', 'path', 'point', 'polygon',
'real', 'serial', 'serial2', 'serial4', 'serial8', 'smallint',
'smallserial', 'text', 'time', 'timestamp', 'timestamptz', 'timetz',
'tsquery', 'tsvector', 'txid_snapshot', 'uuid', 'varbit', 'varchar',
'with time zone', 'without time zone', 'xml',
]
PSEUDO_TYPES = [
'any', 'anyelement', 'anyarray', 'anynonarray', 'anyenum', 'anyrange',
'cstring', 'internal', 'language_handler', 'fdw_handler', 'record',
'trigger', 'void', 'opaque',
]
# Remove 'trigger' from types
PSEUDO_TYPES = sorted(set(PSEUDO_TYPES) - set(map(str.lower, KEYWORDS)))
PLPGSQL_KEYWORDS = [
'ALIAS', 'CONSTANT', 'DIAGNOSTICS', 'ELSIF', 'EXCEPTION', 'EXIT',
'FOREACH', 'GET', 'LOOP', 'NOTICE', 'OPEN', 'PERFORM', 'QUERY', 'RAISE',
'RETURN', 'REVERSE', 'SQLSTATE', 'WHILE',
]
if __name__ == '__main__':
update_myself()
