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#
# Copyright (C) 2009-2020 the sqlparse authors and contributors
# <see AUTHORS file>
#
# This module is part of python-sqlparse and is released under
# the BSD License: https://opensource.org/licenses/BSD-3-Clause
from sqlparse import sql, tokens as T
class OutputFilter:
varname_prefix = ''
def __init__(self, varname='sql'):
self.varname = self.varname_prefix + varname
self.count = 0
def _process(self, stream, varname, has_nl):
raise NotImplementedError
def process(self, stmt):
self.count += 1
if self.count > 1:
varname = '{f.varname}{f.count}'.format(f=self)
else:
varname = self.varname
has_nl = len(str(stmt).strip().splitlines()) > 1
stmt.tokens = self._process(stmt.tokens, varname, has_nl)
return stmt
class OutputPythonFilter(OutputFilter):
def _process(self, stream, varname, has_nl):
# SQL query assignation to varname
if self.count > 1:
yield sql.Token(T.Whitespace, '\n')
yield sql.Token(T.Name, varname)
yield sql.Token(T.Whitespace, ' ')
yield sql.Token(T.Operator, '=')
yield sql.Token(T.Whitespace, ' ')
if has_nl:
yield sql.Token(T.Operator, '(')
yield sql.Token(T.Text, "'")
# Print the tokens on the quote
for token in stream:
# Token is a new line separator
if token.is_whitespace and '\n' in token.value:
# Close quote and add a new line
yield sql.Token(T.Text, " '")
yield sql.Token(T.Whitespace, '\n')
# Quote header on secondary lines
yield sql.Token(T.Whitespace, ' ' * (len(varname) + 4))
yield sql.Token(T.Text, "'")
# Indentation
after_lb = token.value.split('\n', 1)[1]
if after_lb:
yield sql.Token(T.Whitespace, after_lb)
continue
# Token has escape chars
elif "'" in token.value:
token.value = token.value.replace("'", "\\'")
# Put the token
yield sql.Token(T.Text, token.value)
# Close quote
yield sql.Token(T.Text, "'")
if has_nl:
yield sql.Token(T.Operator, ')')
class OutputPHPFilter(OutputFilter):
varname_prefix = '$'
def _process(self, stream, varname, has_nl):
# SQL query assignation to varname (quote header)
if self.count > 1:
yield sql.Token(T.Whitespace, '\n')
yield sql.Token(T.Name, varname)
yield sql.Token(T.Whitespace, ' ')
if has_nl:
yield sql.Token(T.Whitespace, ' ')
yield sql.Token(T.Operator, '=')
yield sql.Token(T.Whitespace, ' ')
yield sql.Token(T.Text, '"')
# Print the tokens on the quote
for token in stream:
# Token is a new line separator
if token.is_whitespace and '\n' in token.value:
# Close quote and add a new line
yield sql.Token(T.Text, ' ";')
yield sql.Token(T.Whitespace, '\n')
# Quote header on secondary lines
yield sql.Token(T.Name, varname)
yield sql.Token(T.Whitespace, ' ')
yield sql.Token(T.Operator, '.=')
yield sql.Token(T.Whitespace, ' ')
yield sql.Token(T.Text, '"')
# Indentation
after_lb = token.value.split('\n', 1)[1]
if after_lb:
yield sql.Token(T.Whitespace, after_lb)
continue
# Token has escape chars
elif '"' in token.value:
token.value = token.value.replace('"', '\\"')
# Put the token
yield sql.Token(T.Text, token.value)
# Close quote
yield sql.Token(T.Text, '"')
yield sql.Token(T.Punctuation, ';')
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