[format] Using Black (#7769)

This commit is contained in:
John Bodley
2019-06-25 13:34:48 -07:00
committed by GitHub
parent 0c9e6d0985
commit 5c58fd1802
270 changed files with 15592 additions and 14772 deletions

View File

@@ -23,12 +23,10 @@ from sqlparse.sql import Identifier, IdentifierList, remove_quotes, Token, Token
from sqlparse.tokens import Keyword, Name, Punctuation, String, Whitespace
from sqlparse.utils import imt
RESULT_OPERATIONS = {'UNION', 'INTERSECT', 'EXCEPT', 'SELECT'}
ON_KEYWORD = 'ON'
PRECEDES_TABLE_NAME = {
'FROM', 'JOIN', 'DESCRIBE', 'WITH', 'LEFT JOIN', 'RIGHT JOIN',
}
CTE_PREFIX = 'CTE__'
RESULT_OPERATIONS = {"UNION", "INTERSECT", "EXCEPT", "SELECT"}
ON_KEYWORD = "ON"
PRECEDES_TABLE_NAME = {"FROM", "JOIN", "DESCRIBE", "WITH", "LEFT JOIN", "RIGHT JOIN"}
CTE_PREFIX = "CTE__"
class ParsedQuery(object):
@@ -38,7 +36,7 @@ class ParsedQuery(object):
self._alias_names = set()
self._limit = None
logging.info('Parsing with sqlparse statement {}'.format(self.sql))
logging.info("Parsing with sqlparse statement {}".format(self.sql))
self._parsed = sqlparse.parse(self.stripped())
for statement in self._parsed:
self.__extract_from_token(statement)
@@ -54,24 +52,24 @@ class ParsedQuery(object):
return self._limit
def is_select(self):
return self._parsed[0].get_type() == 'SELECT'
return self._parsed[0].get_type() == "SELECT"
def is_explain(self):
return self.stripped().upper().startswith('EXPLAIN')
return self.stripped().upper().startswith("EXPLAIN")
def is_readonly(self):
"""Pessimistic readonly, 100% sure statement won't mutate anything"""
return self.is_select() or self.is_explain()
def stripped(self):
return self.sql.strip(' \t\n;')
return self.sql.strip(" \t\n;")
def get_statements(self):
"""Returns a list of SQL statements as strings, stripped"""
statements = []
for statement in self._parsed:
if statement:
sql = str(statement).strip(' \n;\t')
sql = str(statement).strip(" \n;\t")
if sql:
statements.append(sql)
return statements
@@ -98,11 +96,11 @@ class ParsedQuery(object):
tokens = tlist.tokens[:idx]
if (
len(tokens) in (1, 3, 5) and
all(imt(token, t=[Name, String]) for token in tokens[0::2]) and
all(imt(token, m=(Punctuation, '.')) for token in tokens[1::2])
len(tokens) in (1, 3, 5)
and all(imt(token, t=[Name, String]) for token in tokens[0::2])
and all(imt(token, m=(Punctuation, ".")) for token in tokens[1::2])
):
return '.'.join([remove_quotes(token.value) for token in tokens[0::2]])
return ".".join([remove_quotes(token.value) for token in tokens[0::2]])
return None
@@ -112,7 +110,7 @@ class ParsedQuery(object):
def __process_tokenlist(self, tlist: TokenList):
# exclude subselects
if '(' not in str(tlist):
if "(" not in str(tlist):
table_name = self.__get_full_name(tlist)
if table_name and not table_name.startswith(CTE_PREFIX):
self._table_names.add(table_name)
@@ -138,15 +136,15 @@ class ParsedQuery(object):
:param overwrite, boolean, table table_name will be dropped if true
:return: string, create table as query
"""
exec_sql = ''
exec_sql = ""
sql = self.stripped()
if overwrite:
exec_sql = f'DROP TABLE IF EXISTS {table_name};\n'
exec_sql += f'CREATE TABLE {table_name} AS \n{sql}'
exec_sql = f"DROP TABLE IF EXISTS {table_name};\n"
exec_sql += f"CREATE TABLE {table_name} AS \n{sql}"
return exec_sql
def __extract_from_token(self, token, depth=0):
if not hasattr(token, 'tokens'):
if not hasattr(token, "tokens"):
return
table_name_preceding_token = False
@@ -155,11 +153,10 @@ class ParsedQuery(object):
if item.is_group and not self.__is_identifier(item):
self.__extract_from_token(item, depth=depth + 1)
if (
item.ttype in Keyword and (
item.normalized in PRECEDES_TABLE_NAME or
item.normalized.endswith(' JOIN')
)):
if item.ttype in Keyword and (
item.normalized in PRECEDES_TABLE_NAME
or item.normalized.endswith(" JOIN")
):
table_name_preceding_token = True
continue
@@ -180,7 +177,7 @@ class ParsedQuery(object):
self.__extract_from_token(item, depth=depth + 1)
def _extract_limit_from_query(self, statement):
idx, _ = statement.token_next_by(m=(Keyword, 'LIMIT'))
idx, _ = statement.token_next_by(m=(Keyword, "LIMIT"))
if idx is not None:
_, token = statement.token_next(idx=idx)
if token:
@@ -193,23 +190,23 @@ class ParsedQuery(object):
"""returns the query with the specified limit"""
"""does not change the underlying query"""
if not self._limit:
return f'{self.stripped()}\nLIMIT {new_limit}'
return f"{self.stripped()}\nLIMIT {new_limit}"
limit_pos = None
tokens = self._parsed[0].tokens
# Add all items to before_str until there is a limit
for pos, item in enumerate(tokens):
if item.ttype in Keyword and item.value.lower() == 'limit':
if item.ttype in Keyword and item.value.lower() == "limit":
limit_pos = pos
break
limit = tokens[limit_pos + 2]
if limit.ttype == sqlparse.tokens.Literal.Number.Integer:
tokens[limit_pos + 2].value = new_limit
elif limit.is_group:
tokens[limit_pos + 2].value = (
'{}, {}'.format(next(limit.get_identifiers()), new_limit)
tokens[limit_pos + 2].value = "{}, {}".format(
next(limit.get_identifiers()), new_limit
)
str_res = ''
str_res = ""
for i in tokens:
str_res += str(i.value)
return str_res