def __init__(self, stdin=None, stdout=None, stderr=None):
self.stdin = stdin or sys.stdin
self.stdout = stdout or sys.stdout
self.stderr = stderr or sys.stderr
self.arg_parser = self._arg_parse()
self.providermanager = ProviderManager()
self.formatters = self._load_formatter()
self.commandmanager = CommandManager()
class ProviderManagerTestCase(unittest.TestCase):
"""
Unit test case for provider manager.
"""
def setUp(self):
self.provider_manager = ProviderManager()
def test_add(self):
"""
Test add method for provider manager.
"""
self.provider_manager.add('dummy', DummyProvider)
self.assertTrue('dummy' in self.provider_manager._providers)
self.assertEqual(self.provider_manager.get('dummy'), DummyProvider)
def test_get(self):
"""
Test application get method.
"""
self.provider_manager.add('dummy', DummyProvider)
self.assertEqual(self.provider_manager.get('dummy'), DummyProvider)
def test_contain(self):
"""
Test if '__contains__' method is working.
"""
self.provider_manager.add('dummy', DummyProvider)
self.assertTrue('dummy' in self.provider_manager._providers)
self.assertFalse('bar' in self.provider_manager._providers)
class ProviderManagerTestCase(unittest.TestCase):
"""Unit test case for provider manager"""
def setUp(self):
"""Contain set up info for every single test."""
self.provider_manager = ProviderManager()
def test_load_commands(self):
"""Test _load_commands method for provider manager."""
self.provider_manager.add('any', AnyCommand)
message = 'An error occurs during the _load_commands method.'
self.assertTrue('accu' in self.provider_manager._commands, msg=message)
self.assertTrue('rp5' in self.provider_manager._commands, msg=message)
self.assertFalse('sinoptik' in self.provider_manager._commands,
msg=message)
class ProviderManagerTestCase(unittest.TestCase):
""" Unit test case for providers manager.
"""
def setUp(self):
self.provider_manager = ProviderManager()
def test_load_commands(self):
""" Test load commands method for providers manager.
"""
self.provider_manager.add('dummy', DummyCommand)
self.assertTrue('dummy' in self.provider_manager._commands)
self.assertEqual(self.provider_manager.get('dummy'), DummyCommand)
self.assertFalse('bar' in self.provider_manager)
self.assertIsNone(self.provider_manager.get('bar'))
class ProviderManagerTestCase(unittest.TestCase):
"""Unit test case for provider manager."""
def setUp(self):
"""Contain set up info for every single test."""
self.provider_manager = ProviderManager()
self.provider_manager.add('example', ExampleCommand)
def test_load_providers(self):
"""Test _load_providers method for provider manager."""
message = 'An error occurs during the _load_providers method.'
self.assertTrue('accu' in self.provider_manager._providers, msg=message)
self.assertTrue('rp5' in self.provider_manager._providers, msg=message)
self.assertTrue('sinoptik' in self.provider_manager._providers, msg=message)
def test_add(self):
"""Test add method for provider manager."""
self.assertTrue('example' in self.provider_manager._providers,
msg="Command 'example' is missing in provider manager.")
def test_get(self):
"""Test get method for provider manager."""
self.assertEqual(self.provider_manager.get('example'), ExampleCommand)
self.assertIsNone(self.provider_manager.get('bar'), ExampleCommand)
def test_contains(self):
"""Test if '__contains__' method is working."""
self.assertTrue('example' in self.provider_manager)
self.assertFalse('bar' in self.provider_manager)
def test_len(self):
"""Test if '__len__' method is working."""
self.assertEqual(4, len(self.provider_manager._providers))
class App:
"""
WeatherApp agregator
"""
logger = logging.getLogger(__name__)
LOG_LEVEL_MAP = {0: logging.WARNING,
1: logging.INFO,
2: logging.DEBUG}
def __init__(self, stdin=None, stdout=None, stderr=None):
self.stdin = stdin or sys.stdin
self.stdout = stdout or sys.stdout
self.stderr = stderr or sys.stderr
self.arg_parser = self._arg_parse()
self.providermanager = ProviderManager()
self.formatters = self._load_formatter()
self.commandmanager = CommandManager()
def place_settings(self):
"""
information about current settings
:return: info about change settings
"""
flag = False
for site_name in config.sites:
self.stdout.write(
'The site {} have installed place {} \n'.format(site_name,
self.providermanager.get(
site_name).read_settings()[
1]))
while True:
self.stdout.write(
'If you will change place for site - input "sitename"')
self.stdout.write('If you will exit? input "exit"')
site_name = input('If not need - input "No"')
if site_name.lower() == 'no':
break
elif site_name.lower() == 'exit':
sys.exit(1)
elif site_name in config.sites:
self.providermanager.get(site_name).chose_place()
flag = True
break
else:
print('Not correct data')
return flag
def _arg_parse(self):
"""
Initialize argument parser
"""
arg_parser = ArgumentParser(add_help=False)
arg_parser.add_argument('command',
help='Command',
nargs="?")
arg_parser.add_argument('-r', '--refresh',
help='Bypass caches',
action='store_true')
arg_parser.add_argument('--debug',
action='store_true')
arg_parser.add_argument('-v', '--verbose',
action='count',
dest='verbose_level',
default=0,
help='Increase verbosity of output.')
arg_parser.add_argument('-f', '--formatter',
action='store',
nargs='*',
default=['table'],
help="Output format, defaults to table")
arg_parser.add_argument('-time',
action='store',
help="Change time cache")
return arg_parser
def configure_logging(self):
"""
Create logging handlers for any log output
"""
root_logger = logging.getLogger('')
root_logger.setLevel(App.LOG_LEVEL_MAP[0])
console_handler = logging.StreamHandler()
console_handler.setLevel(
App.LOG_LEVEL_MAP.get(self.options.verbose_level,
App.LOG_LEVEL_MAP[0]))
info_formater = logging.Formatter(
'%(asctime)s - %(levelname)s - %(funcName)s - %(message)s')
console_handler.setFormatter(info_formater)
root_logger.addHandler(console_handler)
@staticmethod
def _load_formatter():
return {'table': TableFormatter, 'csv': CSV_Formatter,
'txt': TXT_Formatter}
def produce_output(self, data):
"""
Print results.
"""
formatter = self.formatters.get(self.options.formatter[0], 'table')()
self.stdout.write(formatter.emit(data))
self.stdout.write('\n')
def run_command(self, name, argv):
"""
Run command
"""
command = self.commandmanager.get(name)
try:
command(self).run(argv)
except Exception:
msg = "Error during command: %s run"
if self.options.debug:
self.logger.exception(msg, name)
else:
self.logger.error(msg, name)
def run_provider(self, name):
"""
Run specified provider
"""
provider = self.providermanager.get(name)
data = list()
if provider:
data.append(provider.data_for_table())
self.produce_output(data)
def run_providers(self):
"""
Execute all available providers.
data for table = list(site_name, temperature, place, cond)
"""
data = list()
for name, provider in self.providermanager._providers.items():
provider = provider.data_for_table()
data.append(provider)
self.produce_output(data)
def run(self, argv):
self.options, remaining_args = self.arg_parser.parse_known_args(argv)
command_name = self.options.command
self.configure_logging()
if self.options.refresh == True:
Cache_controller.refresh_cache()
if self.options.time != None and self.options.time.isnumeric() == True:
Cache_controller.change_time_cache(self.options.time)
if not command_name:
# run all weather providers by default
self.run_providers()
if command_name in self.providermanager:
# run specific provider
self.run_provider(command_name)
if command_name in self.commandmanager:
# run specific provider
self.run_command(command_name, remaining_args)
def __del__(self):
pass
class App:
""" Weather aggregator application.
"""
logger = logging.getLogger(__name__)
LOG_LEVEL_MAP = {0: logging.WARNING, 1: logging.INFO, 2: logging.DEBUG}
def __init__(self, stdin=None, stdout=None, stderr=None):
self.stdin = stdin or sys.stdin
self.stdout = stdout or sys.stdout
self.stderr = stderr or sys.stderr
self.arg_parser = self._arg_parse()
self.providermanager = ProviderManager()
self.commandmanager = CommandManager()
self.formatters = self._load_formatters()
@staticmethod
def _arg_parse():
""" Initializes argument parser.
"""
arg_parser = ArgumentParser(add_help=False)
arg_parser.add_argument('command', help="Command", nargs='?')
arg_parser.add_argument('--refresh',
help="Bypass caches",
action='store_true')
arg_parser.add_argument('-f',
'--formatter',
action='store',
default='table',
help="Output format, defaults to table")
arg_parser.add_argument('-v',
'--verbose',
action='count',
dest='verbose_level',
default=config.DEFAULT_VERBOSE_LEVEL,
help='Increase verbosity of output')
arg_parser.add_argument('--debug',
action='store_true',
default=False,
help='Show tracebacks on errors')
return arg_parser
@staticmethod
def _load_formatters():
return {'table': TableFormatter}
def configure_logging(self):
""" Creates logging handlers for any log output.
"""
root_logger = logging.getLogger('')
root_logger.setLevel(logging.DEBUG)
console = logging.StreamHandler()
console_level = self.LOG_LEVEL_MAP.get(self.options.verbose_level,
logging.WARNING)
console.setLevel(console_level)
formatter = logging.Formatter(config.DEFAULT_MESSAGE_FORMAT)
console.setFormatter(formatter)
root_logger.addHandler(console)
def produce_output(self, title, location, data):
""" Prints results.
"""
formatter = self.formatters.get(self.options.formatter, 'table')()
columns = [title, location]
self.stdout.write(formatter.emit(columns, data))
self.stdout.write('\n')
def run_command(self, name, argv):
""" Runs command.
"""
command = self.commandmanager.get(name)
try:
command(self).run(argv)
except Exception:
msg = "Error during command: %s run"
if self.options.debug:
self.logger.exception(msg, name)
else:
self.logger.error(msg, name)
def run_provider(self, name, argv):
""" Runs specified provider.
"""
provider = self.providermanager.get(name)
if provider:
provider = provider(self)
self.produce_output(provider.title, provider.location,
provider.run(argv))
def run_providers(self, argv):
""" Executes all available providers.
"""
for name, provider in self.providermanager:
provider = provider(self)
self.produce_output(provider.title, provider.location,
provider.run(argv))
def run(self, argv):
""" Runs application.
:param argv: list of passed arguments
"""
self.options, remaining_args = self.arg_parser.parse_known_args(argv)
self.configure_logging()
command_name = self.options.command
if not command_name:
# runs all providers
return self.run_providers(remaining_args)
if command_name in self.commandmanager:
return self.run_command(command_name, remaining_args)
if command_name in self.providermanager:
return self.run_provider(command_name, remaining_args)
else:
self.stdout.write('Unknown command provided. \n')
sys.exit(1)
class App:
"""Weather aggregator application."""
def __init__(self, stdin=None, stdout=None, stderr=None):
self.stdin = stdin or sys.stdin
self.stdout = stdout or sys.stdout
self.stderr = stderr or sys.stderr
self.arg_parser = self._arg_parse()
self.providermanager = ProviderManager()
self.commandmanager = CommandManager()
self.formatters = self._load_formatters()
@staticmethod
def _arg_parse():
"""Initialize argument parser."""
arg_parser = ArgumentParser(description='Application information',
add_help=False)
arg_parser.add_argument('command', help='Command', nargs='?')
arg_parser.add_argument('--refresh',
help='Bypass caches',
action='store_true')
arg_parser.add_argument('--debug',
help='Info for developer',
action='store_true',
default=False)
arg_parser.add_argument('-f',
'--formatter',
help='Output format, defaults to table',
action='store',
default='table')
return arg_parser
@staticmethod
def configure_logging(fname='weatheapp'):
"""Set up logging for any log output."""
logger.add(f'{fname}_{{time:MM:DD}}.log', retention='5 days')
@staticmethod
def get_cache_directory():
"""Return path to the cache directory."""
return Path.home() / config.CACHE_DIR
def clear_app_cache(self):
"""Delete directory with cache."""
cache_dir = self.get_cache_directory()
try:
shutil.rmtree(cache_dir)
except FileNotFoundError:
msg = 'The cache directory is empty or not found'
if self.options.debug:
logger.exception(msg)
else:
logger.error(msg)
def delete_invalid_cache(self):
"""Delete all invalid (old) cache.
The time during which the cache is valid
can be changed in config.py
"""
cache_dir = self.get_cache_directory()
if cache_dir.exists():
path = Path(cache_dir)
dirs = os.listdir(path)
for file in dirs:
life_time = time.time() - (path / file).stat().st_mtime
if life_time > config.DAY_IN_SECONDS:
os.remove(path / file)
def get_weather_info_to_save(self, weather_site: str) -> dict:
"""Return information from weather site to save."""
if weather_site in self.providermanager:
provider = self.providermanager[weather_site]
provider_obj = provider(self)
_, content = self.get_city_name_page_content(weather_site)
weather_info = provider_obj.get_weather_info(content)
return weather_info
def write_info_to_csv(self, weather_site: str):
"""Write data to a CSV file."""
info = self.get_weather_info_to_save(weather_site)
with open('weather_data.csv', 'w', newline='') as output_file:
field_names = ['Parameters', 'Description']
writer = csv.DictWriter(output_file, fieldnames=field_names)
writer.writeheader()
for key, value in info.items():
writer.writerow({'Parameters': key, 'Description': value})
def get_city_name_page_content(self,
weather_site: str,
refresh: bool = False):
"""Return name of the city and page content."""
PlaceInfo = namedtuple('PlaceInfo', 'place_name page_content')
if weather_site in self.providermanager:
provider = self.providermanager[weather_site]
provider_obj = provider(self)
city_name, city_url = provider_obj.get_configuration()
content = provider_obj.get_page_from_server(city_url,
refresh=refresh)
place_info = PlaceInfo(city_name, content)
return place_info
@staticmethod
def _load_formatters():
return {'table': TableFormatter}
def program_output(self, title: str, city: str, info: dict):
"""Print the application output in readable form."""
formatter = self.formatters.get(self.options.formatter, 'table')()
columns = [title, city]
self.stdout.write(formatter.emit(columns, info))
self.stdout.write('\n')
def run_command(self, name, argv):
"""Run command"""
command = self.commandmanager.get(name)
try:
command(self).run(argv)
except Exception:
msg = f'Error during command: {name} run'
if self.options.debug:
logger.exception(msg)
else:
logger.error(msg)
def run_provider(self, name, argv):
"""Run specified provider."""
provider = self.providermanager.get(name)
if provider:
provider = provider(self)
self.program_output(provider.title, provider.location,
provider.run(argv))
def run_providers(self, argv):
"""Execute all available providers."""
for _, provider in self.providermanager:
provider = provider(self)
self.program_output(provider.title, provider.location,
provider.run(argv))
def run(self, argv):
"""Run application.
:param argv: list of passed arguments
"""
self.delete_invalid_cache()
self.options, remaining_args = self.arg_parser.parse_known_args(argv)
self.configure_logging()
logger.debug(f'Got the following args: {argv}')
command_name = self.options.command
if not command_name:
# run all providers
return self.run_providers(remaining_args)
if command_name in self.commandmanager:
return self.run_command(command_name, remaining_args)
if command_name in self.providermanager:
return self.run_provider(command_name, remaining_args)
if remaining_args:
weather_site = remaining_args[0]
if command_name == 'clear-cache':
self.clear_app_cache()
elif command_name == 'save-to-csv':
self.write_info_to_csv(weather_site)
else:
self.stdout.write('Unknown command provided. \n')
sys.exit(1)
def setUp(self):
"""Contain set up info for every single test."""
self.provider_manager = ProviderManager()
self.provider_manager.add('example', ExampleCommand)
def setUp(self):
self.provider_manager = ProviderManager()
class ProviderManagerTestCase(unittest.TestCase):
"""
Test case for ProviderManager
"""
def setUp(self):
self.provider_manager = ProviderManager()
def test_add(self):
"""
:return:
"""
self.provider_manager.add('dummy', DummyProvider)
self.assertTrue('dummy' in self.provider_manager._providers)
self.assertEqual(self.provider_manager.get('dummy'), DummyProvider)
def test_get(self):
"""
:return:
"""
self.provider_manager.add('dummy', DummyProvider)
self.assertEqual(self.provider_manager.get('dummy'), DummyProvider)
self.assertIsNone(self.provider_manager.get('any'))
def test_contains(self):
"""
:return:
"""
self.provider_manager.add('dummy', DummyProvider)
self.assertTrue('dummy' in self.provider_manager)
self.assertFalse('any' in self.provider_manager)
def test_iter(self):
"""
:return:
"""
self.provider_manager.add('dummy', DummyProvider)
for name in self.provider_manager:
self.assertTrue(name in self.provider_manager)
def setUp(self):
"""Contain set up info for every single test."""
self.provider_manager = ProviderManager()
