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Make file generation saving atomic (#792)

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* Make file generation saving atomic

* Lint

* Python 2 Compat

* Fix

* Handle file not found error
This commit is contained in:
Otto Winter
2019-10-24 21:53:42 +02:00
parent 6b3c7b0854
commit 327ccb241e
6 changed files with 123 additions and 77 deletions
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esphome/py_compat.py
+12 -12
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@@ -1,5 +1,6 @@
import functools
import sys
import codecs
PYTHON_MAJOR = sys.version_info[0]
IS_PY2 = PYTHON_MAJOR == 2
@@ -75,15 +76,14 @@ def indexbytes(buf, i):
return ord(buf[i])
if IS_PY2:
def decode_text(data, encoding='utf-8', errors='strict'):
# type: (str, str, str) -> unicode
if isinstance(data, unicode):
return data
return unicode(data, encoding=encoding, errors=errors)
else:
def decode_text(data, encoding='utf-8', errors='strict'):
# type: (bytes, str, str) -> str
if isinstance(data, str):
return data
return data.decode(encoding=encoding, errors=errors)
def decode_text(data, encoding='utf-8', errors='strict'):
if isinstance(data, text_type):
return data
return codecs.decode(data, encoding, errors)
def encode_text(data, encoding='utf-8', errors='strict'):
if isinstance(data, binary_type):
return data
return codecs.encode(data, encoding, errors)