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# -*- coding: utf-8 -*- 
import os
 
import pytest 
 
from jinja2 import Environment
from jinja2 import loaders 
from jinja2.utils import have_async_gen 
 
 
def pytest_ignore_collect(path):
    if "async" in path.basename and not have_async_gen:
        return True 
    return False 
 
 
@pytest.fixture 
def env(): 
    """returns a new environment."""
    return Environment() 
 
 
@pytest.fixture 
def dict_loader(): 
    """returns DictLoader"""
    return loaders.DictLoader({"justdict.html": "FOO"})
 
 
@pytest.fixture 
def package_loader(): 
    """returns PackageLoader initialized from templates"""
    return loaders.PackageLoader("res", "templates")
 
 
@pytest.fixture 
def filesystem_loader(): 
    """returns FileSystemLoader initialized to res/templates directory"""
    try:
        import yatest.common
        here =  yatest.common.test_source_path()
    except ImportError:
        here = os.path.dirname(os.path.abspath(__file__))
    return loaders.FileSystemLoader(here + "/res/templates")
 
 
@pytest.fixture 
def function_loader(): 
    """returns a FunctionLoader"""
    return loaders.FunctionLoader({"justfunction.html": "FOO"}.get)
 
 
@pytest.fixture 
def choice_loader(dict_loader, package_loader): 
    """returns a ChoiceLoader"""
    return loaders.ChoiceLoader([dict_loader, package_loader]) 
 
 
@pytest.fixture 
def prefix_loader(filesystem_loader, dict_loader): 
    """returns a PrefixLoader"""
    return loaders.PrefixLoader({"a": filesystem_loader, "b": dict_loader})