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ConfigurationFileReader::ReadLine returns typing.Optional[str]#4

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2 changes: 1 addition & 1 deletionsrc/implementation/v00/configuration_base.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -3308,7 +3308,7 @@ def Helper__LoadFileContent(
lineData = fileContent.ReadLine()

if not lineData:
#assert lineData is None
assert lineData is None
break

assert type(lineData) == str
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3 changes: 2 additions & 1 deletionsrc/os/abstract/configuration_os_ops.py
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Expand Up@@ -6,14 +6,15 @@
from ...core.raise_error import RaiseError

import datetime
import typing


# //////////////////////////////////////////////////////////////////////////////
# class ConfigurationFileReader


class ConfigurationFileReader:
def ReadLine(self) -> str:
def ReadLine(self) ->typing.Optional[str]:
RaiseError.MethodIsNotImplemented(__class__, "ReadLine")


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12 changes: 10 additions & 2 deletionssrc/os/local/configuration_os_ops.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -8,6 +8,7 @@
import os
import io
import datetime
import typing

# //////////////////////////////////////////////////////////////////////////////
# class ConfigurationOsFile
Expand DownExpand Up@@ -49,9 +50,16 @@ def IsClosed(self) -> bool:
return self.m_file is None

# --------------------------------------------------------------------
def ReadLine(self) -> str:
def ReadLine(self) ->typing.Optional[str]:
assert isinstance(self.m_file, io.TextIOWrapper)
return self.m_file.readline()
r = self.m_file.readline()
assert type(r) == str # noqa: E721
if not r:
assert r == ""
return None

assert r != ""
return r

# --------------------------------------------------------------------
def Overwrite(self, text: str) -> None:
Expand Down
13 changes: 11 additions & 2 deletionstests/CfgFileReader.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -4,6 +4,7 @@
from src.os.abstract.configuration_os_ops import ConfigurationFileReader

import io
import typing

# //////////////////////////////////////////////////////////////////////////////
# class CfgFileReader
Expand All@@ -19,9 +20,17 @@ def __init__(self, text: str):
self.m_file = io.StringIO(text)

# --------------------------------------------------------------------
def ReadLine(self) -> str:
def ReadLine(self) ->typing.Optional[str]:
assert type(self.m_file) == io.StringIO
return self.m_file.readline()

r = self.m_file.readline()
assert type(r) == str # noqa: E721
if not r:
assert r == ""
return None

assert r != ""
return r


# //////////////////////////////////////////////////////////////////////////////
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