1
0
Fork 0
Old engine for Continuous Time Bayesian Networks. Superseded by reCTBN. 🐍 https://github.com/madlabunimib/PyCTBN
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
This repo is archived. You can view files and clone it, but cannot push or open issues/pull-requests.
PyCTBN/venv/lib/python3.9/site-packages/pandas/tests/io/parser/conftest.py

123 lines
2.7 KiB

import os
from typing import List, Optional
import pytest
from pandas import read_csv, read_table
class BaseParser:
engine: Optional[str] = None
low_memory = True
float_precision_choices: List[Optional[str]] = []
def update_kwargs(self, kwargs):
kwargs = kwargs.copy()
kwargs.update(dict(engine=self.engine, low_memory=self.low_memory))
return kwargs
def read_csv(self, *args, **kwargs):
kwargs = self.update_kwargs(kwargs)
return read_csv(*args, **kwargs)
def read_table(self, *args, **kwargs):
kwargs = self.update_kwargs(kwargs)
return read_table(*args, **kwargs)
class CParser(BaseParser):
engine = "c"
float_precision_choices = [None, "high", "round_trip"]
class CParserHighMemory(CParser):
low_memory = False
class CParserLowMemory(CParser):
low_memory = True
class PythonParser(BaseParser):
engine = "python"
float_precision_choices = [None]
@pytest.fixture
def csv_dir_path(datapath):
"""
The directory path to the data files needed for parser tests.
"""
return datapath("io", "parser", "data")
@pytest.fixture
def csv1(datapath):
"""
The path to the data file "test1.csv" needed for parser tests.
"""
return os.path.join(datapath("io", "data", "csv"), "test1.csv")
_cParserHighMemory = CParserHighMemory()
_cParserLowMemory = CParserLowMemory()
_pythonParser = PythonParser()
_py_parsers_only = [_pythonParser]
_c_parsers_only = [_cParserHighMemory, _cParserLowMemory]
_all_parsers = [*_c_parsers_only, *_py_parsers_only]
_py_parser_ids = ["python"]
_c_parser_ids = ["c_high", "c_low"]
_all_parser_ids = [*_c_parser_ids, *_py_parser_ids]
@pytest.fixture(params=_all_parsers, ids=_all_parser_ids)
def all_parsers(request):
"""
Fixture all of the CSV parsers.
"""
return request.param
@pytest.fixture(params=_c_parsers_only, ids=_c_parser_ids)
def c_parser_only(request):
"""
Fixture all of the CSV parsers using the C engine.
"""
return request.param
@pytest.fixture(params=_py_parsers_only, ids=_py_parser_ids)
def python_parser_only(request):
"""
Fixture all of the CSV parsers using the Python engine.
"""
return request.param
_utf_values = [8, 16, 32]
_encoding_seps = ["", "-", "_"]
_encoding_prefixes = ["utf", "UTF"]
_encoding_fmts = [
f"{prefix}{sep}" + "{0}" for sep in _encoding_seps for prefix in _encoding_prefixes
]
@pytest.fixture(params=_utf_values)
def utf_value(request):
"""
Fixture for all possible integer values for a UTF encoding.
"""
return request.param
@pytest.fixture(params=_encoding_fmts)
def encoding_fmt(request):
"""
Fixture for all possible string formats of a UTF encoding.
"""
return request.param