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Swallow warnings during anonymous compilation of source

This commit is contained in:
Anthony Sottile 2018-10-28 16:44:34 -07:00
parent 8c475a45bb
commit 0d1f142b1c
2 changed files with 7 additions and 1 deletions
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1
changelog/4260.bugfix.rst Normal file
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@ -0,0 +1 @@
Swallow warnings during anonymous compilation of source.

7
src/_pytest/_code/source.py
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@ -8,6 +8,7 @@ import linecache
import sys import sys
import textwrap import textwrap
import tokenize import tokenize
import warnings
from ast import PyCF_ONLY_AST as _AST_FLAG from ast import PyCF_ONLY_AST as _AST_FLAG
from bisect import bisect_right from bisect import bisect_right
@ -288,7 +289,11 @@ def get_statement_startend2(lineno, node):
def getstatementrange_ast(lineno, source, assertion=False, astnode=None): def getstatementrange_ast(lineno, source, assertion=False, astnode=None):
if astnode is None: if astnode is None:
content = str(source) content = str(source)
astnode = compile(content, "source", "exec", _AST_FLAG) # See #4260:
# don't produce duplicate warnings when compiling source to find ast
with warnings.catch_warnings():
warnings.simplefilter("ignore")
astnode = compile(content, "source", "exec", _AST_FLAG)
start, end = get_statement_startend2(lineno, astnode) start, end = get_statement_startend2(lineno, astnode)
# we need to correct the end: # we need to correct the end: