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Convert to Pathlib

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This commit is contained in:
Matthias 2018-11-24 20:39:16 +01:00
parent cc7b820978
commit 20de8c82e4
4 changed files with 20 additions and 22 deletions
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8
freqtrade/resolvers/hyperopt_resolver.py
View File

@ -4,7 +4,7 @@
This module load custom hyperopts
"""
import logging
from os import path
from pathlib import Path
from typing import Optional, Dict
from freqtrade.constants import DEFAULT_HYPEROPT
@ -40,16 +40,16 @@ class HyperOptResolver(IResolver):
:param extra_dir: additional directory to search for the given hyperopt
:return: HyperOpt instance or None
"""
current_path = path.join(path.dirname(path.dirname(path.realpath(__file__))), 'optimize')
current_path = Path(__file__).parent.parent.joinpath('optimize').resolve()
abs_paths = [
path.join(current_path, '..', '..', 'user_data', 'hyperopts'),
current_path.parent.parent.joinpath('user_data/hyperopts'),
current_path,
]
if extra_dir:
# Add extra hyperopt directory on top of search paths
abs_paths.insert(0, extra_dir)
abs_paths.insert(0, Path(extra_dir))
for _path in abs_paths:
hyperopt = self._search_object(directory=_path, object_type=IHyperOpt,

14
freqtrade/resolvers/iresolver.py
View File

@ -6,7 +6,7 @@ This module load custom objects
import importlib.util
import inspect
import logging
import os
from pathlib import Path
from typing import Optional, Dict, Type, Any
logger = logging.getLogger(__name__)
@ -25,7 +25,7 @@ class IResolver(object):
config = config or {}
@staticmethod
def _get_valid_objects(object_type, module_path: str,
def _get_valid_objects(object_type, module_path: Path,
object_name: str) -> Optional[Type[Any]]:
"""
Returns a list of all possible objects for the given module_path of type oject_type
@ -36,7 +36,7 @@ class IResolver(object):
"""
# Generate spec based on absolute path
spec = importlib.util.spec_from_file_location('unknown', module_path)
spec = importlib.util.spec_from_file_location('unknown', str(module_path))
module = importlib.util.module_from_spec(spec)
spec.loader.exec_module(module) # type: ignore # importlib does not use typehints
@ -47,7 +47,7 @@ class IResolver(object):
return next(valid_objects_gen, None)
@staticmethod
def _search_object(directory: str, object_type, object_name: str,
def _search_object(directory: Path, object_type, object_name: str,
kwargs: dict = {}) -> Optional[Any]:
"""
Search for the objectname in the given directory
@ -55,13 +55,13 @@ class IResolver(object):
:return: object instance
"""
logger.debug('Searching for %s %s in \'%s\'', object_type.__name__, object_name, directory)
for entry in os.listdir(directory):
for entry in directory.iterdir():
# Only consider python files
if not entry.endswith('.py'):
if not str(entry).endswith('.py'):
logger.debug('Ignoring %s', entry)
continue
obj = IResolver._get_valid_objects(
object_type, os.path.abspath(os.path.join(directory, entry)), object_name
object_type, Path.resolve(directory.joinpath(entry)), object_name
)
if obj:
return obj(**kwargs)

15
freqtrade/resolvers/strategy_resolver.py
View File

@ -5,7 +5,6 @@ This module load custom strategies
"""
import inspect
import logging
from os import getcwd, path
import tempfile
from base64 import urlsafe_b64decode
from collections import OrderedDict
@ -103,16 +102,16 @@ class StrategyResolver(IResolver):
:param extra_dir: additional directory to search for the given strategy
:return: Strategy instance or None
"""
current_path = path.join(path.dirname(path.dirname(path.realpath(__file__))), 'strategy')
current_path = Path(__file__).parent.parent.joinpath('strategy').resolve()
abs_paths = [
path.join(getcwd(), 'user_data', 'strategies'),
Path.cwd().joinpath('user_data/strategies'),
current_path,
]
if extra_dir:
# Add extra strategy directory on top of search paths
abs_paths.insert(0, extra_dir)
abs_paths.insert(0, Path(extra_dir).resolve())
if ":" in strategy_name:
logger.info("loading base64 endocded strategy")
@ -125,17 +124,17 @@ class StrategyResolver(IResolver):
temp.joinpath(name).write_text(urlsafe_b64decode(strat[1]).decode('utf-8'))
temp.joinpath("__init__.py").touch()
strategy_name = path.splitext(name)[0]
strategy_name = strat[0]
# register temp path with the bot
abs_paths.insert(0, str(temp.resolve()))
abs_paths.insert(0, temp.resolve())
for _path in abs_paths:
try:
strategy = self._search_object(directory=_path, object_type=IStrategy,
object_name=strategy_name, kwargs={'config': config})
if strategy:
logger.info('Using resolved strategy %s from \'%s\'', strategy_name, path)
logger.info('Using resolved strategy %s from \'%s\'', strategy_name, _path)
strategy._populate_fun_len = len(
inspect.getfullargspec(strategy.populate_indicators).args)
strategy._buy_fun_len = len(
@ -145,7 +144,7 @@ class StrategyResolver(IResolver):
return import_strategy(strategy, config=config)
except FileNotFoundError:
logger.warning('Path "%s" does not exist', _path)
logger.warning('Path "%s" does not exist', _path.relative_to(Path.cwd()))
raise ImportError(
"Impossible to load Strategy '{}'. This class does not exist"

5
freqtrade/tests/strategy/test_strategy.py
View File

@ -2,6 +2,7 @@
import logging
from base64 import urlsafe_b64encode
from os import path
from pathlib import Path
import warnings
import pytest
@ -40,9 +41,7 @@ def test_import_strategy(caplog):
def test_search_strategy():
default_config = {}
default_location = path.join(path.dirname(
path.realpath(__file__)), '..', '..', 'strategy'
)
default_location = Path(__file__).parent.parent.joinpath('strategy').resolve()
assert isinstance(
StrategyResolver._search_object(
directory=default_location,