def __set_dynamic_defaults(config: dict) -> dict:
"""Fill configuration dictionary with some preset values."""
if 'mediawords' not in config or config['mediawords'] is None:
raise McConfigException('Configuration does not have "mediawords" key')
if 'data_dir' not in config['mediawords'] or config['mediawords']['data_dir'] is None:
# FIXME create a helper in 'paths'
config['mediawords']['data_dir'] = os.path.join(mc_root_path(), 'data')
# FIXME probably not needed
if 'session' not in config or config['session'] is None:
config['session'] = {}
if 'storage' not in config['session'] or config['session']['storage'] is None:
config['session']['storage'] = os.path.join(os.path.expanduser('~'), "tmp", "mediacloud-session")
# MC_REWRITE_TO_PYTHON: probably not needed after Python rewrite
if 'Plugin::Authentication' not in config or config['Plugin::Authentication'] is None:
config['Plugin::Authentication'] = {
"default_realm": 'users',
"users": {
"credential": {
"class": 'MediaWords'
},
"store": {
"class": 'MediaWords'
}
}
}
return config
def __templates_path() -> str:
"""Return path to Jinja2 email templates."""
root_path = mc_root_path()
email_templates_path = os.path.join(
root_path, 'lib', 'MediaWords', 'Util', 'Mail', 'Message', 'Templates', 'email-templates'
)
if not os.path.isdir(email_templates_path):
raise McMailTemplatesNotFound('Templates directory was not found at "%s".' % email_templates_path)
return email_templates_path
def __templates_path() -> str:
"""Return path to Jinja2 email templates."""
root_path = mc_root_path()
email_templates_path = os.path.join(root_path, 'lib', 'MediaWords',
'Util', 'Mail', 'Message',
'Templates', 'email-templates')
if not os.path.isdir(email_templates_path):
raise McMailTemplatesNotFound(
'Templates directory was not found at "%s".' %
email_templates_path)
return email_templates_path
def get_config() -> dict:
"""Get configuration dictionary."""
global __CONFIG
if __CONFIG is not None:
return __CONFIG
# FIXME: This should be standardized
set_config_file(os.path.join(mc_root_path(), "mediawords.yml"))
# noinspection PyTypeChecker
# FIXME inspection could still be enabled here
return __CONFIG
def get_config() -> dict:
"""Get configuration dictionary."""
global __CONFIG
if __CONFIG is not None:
return __CONFIG
# FIXME: This should be standardized
set_config_file(os.path.join(mc_root_path(), "mediawords.yml"))
# noinspection PyTypeChecker
# FIXME inspection could still be enabled here
return __CONFIG
def rotate_supervisor_logs():
root_path = mc_root_path()
l.debug('Media Cloud root path: %s' % root_path)
config = py_get_config()
child_log_dir = config['supervisor']['childlogdir']
l.debug('Child log directory: %s' % child_log_dir)
supervisor_logs_dir = os.path.join(root_path, child_log_dir)
l.info('Supervisor logs path: %s' % supervisor_logs_dir)
logrotate_state_file = os.path.join(supervisor_logs_dir, 'logrotate.state')
l.debug('logrotate state file: %s' % logrotate_state_file)
if not os.path.isdir(supervisor_logs_dir):
raise Exception(
'Supervisor logs directory does not exist at path: %s' %
supervisor_logs_dir)
logrotate_config = '''
%(supervisor_logs_dir)s/*.log {
size %(log_max_size)d
rotate %(old_log_count)d
copytruncate
compress
missingok
notifempty
}
''' % {
'supervisor_logs_dir': supervisor_logs_dir,
'log_max_size': __LOG_MAX_SIZE,
'old_log_count': __OLD_LOG_COUNT,
}
logrotate_temp_fd, logrotate_temp_config_path = tempfile.mkstemp(
suffix='.conf', prefix='logrotate')
l.debug('Temporary logtorate config path: %s' % logrotate_temp_config_path)
with os.fdopen(logrotate_temp_fd, 'w') as tmp:
tmp.write(logrotate_config)
l.info('Running logrotate...')
subprocess.check_call([
'logrotate', '--verbose', '--state', logrotate_state_file,
logrotate_temp_config_path
])
l.debug('Cleaning up temporary logrotate config...')
os.unlink(logrotate_temp_config_path)
def rotate_supervisor_logs():
root_path = mc_root_path()
l.debug('Media Cloud root path: %s' % root_path)
config = get_config()
child_log_dir = config['supervisor']['childlogdir']
l.debug('Child log directory: %s' % child_log_dir)
supervisor_logs_dir = os.path.join(root_path, child_log_dir)
l.info('Supervisor logs path: %s' % supervisor_logs_dir)
logrotate_state_file = os.path.join(supervisor_logs_dir, 'logrotate.state')
l.debug('logrotate state file: %s' % logrotate_state_file)
if not os.path.isdir(supervisor_logs_dir):
raise Exception('Supervisor logs directory does not exist at path: %s' % supervisor_logs_dir)
logrotate_config = '''
%(supervisor_logs_dir)s/*.log {
size %(log_max_size)d
rotate %(old_log_count)d
copytruncate
compress
missingok
notifempty
}
''' % {
'supervisor_logs_dir': supervisor_logs_dir,
'log_max_size': __LOG_MAX_SIZE,
'old_log_count': __OLD_LOG_COUNT,
}
logrotate_temp_fd, logrotate_temp_config_path = tempfile.mkstemp(suffix='.conf', prefix='logrotate')
l.debug('Temporary logtorate config path: %s' % logrotate_temp_config_path)
with os.fdopen(logrotate_temp_fd, 'w') as tmp:
tmp.write(logrotate_config)
l.info('Running logrotate...')
subprocess.check_call([
'logrotate',
'--verbose',
'--state', logrotate_state_file,
logrotate_temp_config_path
])
l.debug('Cleaning up temporary logrotate config...')
os.unlink(logrotate_temp_config_path)
def get_path_to_data_files(subdirectory: str = '') -> str:
"""Get path to where data file(s) should be stored."""
subdirectory = decode_object_from_bytes_if_needed(subdirectory)
path = os.path.join(mc_root_path(), 't', 'data', subdirectory)
# Try to create just the base directory
if not os.path.isdir(path):
log.warning("Creating test data directory '{}'...".format(path))
os.mkdir(path)
if not os.path.isdir(path):
raise McGetPathToDataFilesException(
"Test data file path '{}' is not a directory (or doesn't exist at all).".format(path)
)
return path
def get_path_to_data_files(subdirectory: str = '') -> str:
"""Get path to where data file(s) should be stored."""
subdirectory = decode_object_from_bytes_if_needed(subdirectory)
path = os.path.join(mc_root_path(), 't', 'data', subdirectory)
# Try to create just the base directory
if not os.path.isdir(path):
log.warning("Creating test data directory '{}'...".format(path))
os.mkdir(path)
if not os.path.isdir(path):
raise McGetPathToDataFilesException(
"Test data file path '{}' is not a directory (or doesn't exist at all)."
.format(path))
return path
def schema_is_up_to_date(self) -> bool:
"""Checks if the database schema is up-to-date"""
root_dir = mc_root_path()
# Check if the database is empty
db_vars_table_exists = len(
self.query("""
-- noinspection SqlResolve
SELECT *
FROM information_schema.tables
WHERE table_name = 'database_variables'
""").flat()) > 0
if not db_vars_table_exists:
l.info(
"Database table 'database_variables' does not exist, probably the database is empty at this point."
)
return True
# Current schema version
(current_schema_version, ) = self.query("""
SELECT value AS schema_version
FROM database_variables
WHERE name = 'database-schema-version'
LIMIT 1
""").flat()
current_schema_version = int(current_schema_version)
if current_schema_version == 0:
raise McSchemaIsUpToDateException("Current schema version is 0")
# Target schema version
sql = open(os.path.join(root_dir, 'schema', 'mediawords.sql'),
'r').read()
target_schema_version = schema_version_from_lines(sql)
if not target_schema_version:
raise McSchemaIsUpToDateException("Invalid target schema version.")
# Check if the current schema is up-to-date
if current_schema_version != target_schema_version:
return self.__should_continue_with_outdated_schema(
current_schema_version, target_schema_version)
else:
# Things are fine at this point.
return True
def schema_is_up_to_date(self) -> bool:
"""Checks if the database schema is up-to-date"""
root_dir = mc_root_path()
# Check if the database is empty
db_vars_table_exists = len(self.query("""
-- noinspection SqlResolve
SELECT *
FROM information_schema.tables
WHERE table_name = 'database_variables'
""").flat()) > 0
if not db_vars_table_exists:
l.info("Database table 'database_variables' does not exist, probably the database is empty at this point.")
return True
# Current schema version
(current_schema_version,) = self.query("""
SELECT value AS schema_version
FROM database_variables
WHERE name = 'database-schema-version'
LIMIT 1
""").flat()
current_schema_version = int(current_schema_version)
if current_schema_version == 0:
raise Exception("Current schema version is 0")
# Target schema version
sql = open(os.path.join(root_dir, 'schema', 'mediawords.sql'), 'r').read()
target_schema_version = schema_version_from_lines(sql)
if not target_schema_version:
raise Exception("Invalid target schema version.")
# Check if the current schema is up-to-date
if current_schema_version != target_schema_version:
return self.__should_continue_with_outdated_schema(current_schema_version, target_schema_version)
else:
# Things are fine at this point.
return True
def __set_dynamic_defaults(config: dict) -> dict:
"""Fill configuration dictionary with some preset values."""
if 'mediawords' not in config or config['mediawords'] is None:
raise McConfigException('Configuration does not have "mediawords" key')
if 'data_dir' not in config['mediawords'] or config['mediawords']['data_dir'] is None:
# FIXME create a helper in 'paths'
config['mediawords']['data_dir'] = os.path.join(mc_root_path(), 'data')
# MC_REWRITE_TO_PYTHON: probably not needed after Python rewrite
if 'Plugin::Authentication' not in config or config['Plugin::Authentication'] is None:
config['Plugin::Authentication'] = {
"default_realm": 'users',
"users": {
"credential": {
"class": 'MediaWords'
},
"store": {
"class": 'MediaWords'
}
}
}
return config
class McChineseTokenizer(object):
"""Chinese language tokenizer that uses jieba."""
# Path to jieba dictionary(ies)
__dict_path = os.path.join(mc_root_path(),
'lib/MediaWords/Languages/resources/zh/')
__jieba_dict_path = os.path.join(__dict_path, 'dict.txt.big')
__jieba_userdict_path = os.path.join(__dict_path, 'userdict.txt')
# jieba instance
__jieba = None
# Text -> sentence tokenizer for Chinese text
__chinese_sentence_tokenizer = RegexpTokenizer(
r'([^！？。]*[！？。])',
gaps=True, # don't discard non-Chinese text
discard_empty=True,
)
# Text -> sentence tokenizer for non-Chinese (e.g. English) text
__non_chinese_sentence_tokenizer = PunktSentenceTokenizer()
def __init__(self):
"""Initialize jieba tokenizer."""
self.__jieba = JiebaTokenizer()
if not os.path.isdir(self.__dict_path):
raise McChineseTokenizerException("""
jieba dictionary directory was not found: %s
Maybe you forgot to initialize Git submodules?
""" % self.__dict_path)
if not os.path.isfile(self.__jieba_dict_path):
raise McChineseTokenizerException("""
Default dictionary not found in jieba dictionary directory: %s
Maybe you forgot to run jieba installation script?
""" % self.__dict_path)
if not os.path.isfile(self.__jieba_userdict_path):
raise McChineseTokenizerException("""
User dictionary not found in jieba dictionary directory: %s
Maybe you forgot to run jieba installation script?
""" % self.__dict_path)
try:
# loading dictionary is part of the init process
self.__jieba.set_dictionary(os.path.join(self.__jieba_dict_path))
self.__jieba.load_userdict(os.path.join(
self.__jieba_userdict_path))
except Exception as ex:
raise McChineseTokenizerException(
"Unable to initialize jieba: %s" % str(ex))
def tokenize_text_to_sentences(self, text: str) -> list:
"""Tokenize Chinese text into sentences."""
text = decode_object_from_bytes_if_needed(text)
if text is None:
log.warning("Text to tokenize into sentences is None.")
return []
text = text.strip()
if len(text) == 0:
return []
# First split Chinese text
chinese_sentences = self.__chinese_sentence_tokenizer.tokenize(text)
sentences = []
for sentence in chinese_sentences:
# Split paragraphs separated by two line breaks denoting a list
paragraphs = re.split("\n\s*?\n", sentence)
for paragraph in paragraphs:
# Split lists separated by "* "
list_items = re.split("\n\s*?(?=\* )", paragraph)
for list_item in list_items:
# Split non-Chinese text
non_chinese_sentences = self.__non_chinese_sentence_tokenizer.tokenize(
list_item)
sentences += non_chinese_sentences
# Trim whitespace
sentences = [sentence.strip() for sentence in sentences]
return sentences
def tokenize_sentence_to_words(self, sentence: str) -> list:
"""Tokenize Chinese sentence into words.
Removes punctuation."""
sentence = decode_object_from_bytes_if_needed(sentence)
if sentence is None:
log.warning("Sentence to tokenize into words is None.")
return []
sentence = sentence.strip()
if len(sentence) == 0:
return []
parsed_text = self.__jieba.lcut(sentence, cut_all=False)
parsed_tokens = [x for x in parsed_text if x.strip()]
words = []
for parsed_token in parsed_tokens:
if re.search(r'\w+', parsed_token, flags=re.UNICODE) is not None:
words.append(parsed_token)
else:
pass
return words
def test_mc_root_path():
root_path = mc_paths.mc_root_path()
assert os.path.exists(root_path)
assert os.path.isdir(root_path)
assert os.path.isfile(os.path.join(root_path, 'mediawords.yml.dist'))
def __read_static_defaults() -> dict:
"""Return configuration defaults dictionary."""
defaults_file_yml = os.path.join(mc_root_path(), "mediawords.yml.dist")
static_defaults = __parse_yaml(defaults_file_yml)
return static_defaults
def rotate_http_request_log():
root_path = mc_root_path()
l.debug("Media Cloud root path: %s" % root_path)
logs_dir = os.path.join(root_path, "data", "logs")
if not os.path.isdir(logs_dir):
raise Exception("Logs directory does not exist at path: %s" % logs_dir)
l.debug("Logs path: %s" % logs_dir)
try:
path_to_xz = subprocess.check_output(["/bin/bash", "-c", "command -v xz"]).decode("utf-8").strip()
except subprocess.CalledProcessError as ex:
raise Exception('"xz" not found on the system: %s' % str(ex))
l.info('Path to "xz": %s' % path_to_xz)
try:
path_to_unxz = subprocess.check_output(["/bin/bash", "-c", "command -v unxz"]).decode("utf-8").strip()
except subprocess.CalledProcessError as ex:
raise Exception('"unxz" not found on the system: %s' % str(ex))
l.info('Path to "unxz": %s' % path_to_unxz)
http_request_log_path = os.path.join(logs_dir, "http_request.log")
if not os.path.isfile(http_request_log_path):
raise Exception("HTTP request log does not exist at path: %s" % http_request_log_path)
l.info("HTTP request log path: %s" % http_request_log_path)
logrotate_state_file = os.path.join(logs_dir, "http_request-logrotate.state")
l.debug("logrotate state file: %s" % logrotate_state_file)
logrotate_config = """
%(http_request_log_path)s {
daily
size %(log_max_size)d
rotate %(old_log_count)d
copytruncate
compress
compresscmd %(path_to_xz)s
compressext .xz
compressoptions -9
uncompresscmd %(path_to_unxz)s
missingok
notifempty
}
""" % {
"http_request_log_path": http_request_log_path,
"log_max_size": __LOG_MAX_SIZE,
"old_log_count": __OLD_LOG_COUNT,
"path_to_xz": path_to_xz,
"path_to_unxz": path_to_unxz,
}
logrotate_temp_fd, logrotate_temp_config_path = tempfile.mkstemp(suffix=".conf", prefix="logrotate")
l.debug("Temporary logtorate config path: %s" % logrotate_temp_config_path)
with os.fdopen(logrotate_temp_fd, "w") as tmp:
tmp.write(logrotate_config)
l.info("Running logrotate...")
subprocess.check_call(["logrotate", "--verbose", "--state", logrotate_state_file, logrotate_temp_config_path])
l.debug("Cleaning up temporary logrotate config...")
os.unlink(logrotate_temp_config_path)
def __read_static_defaults() -> dict:
"""Return configuration defaults dictionary."""
defaults_file_yml = os.path.join(mc_root_path(), "mediawords.yml.dist")
static_defaults = __parse_yaml(defaults_file_yml)
return static_defaults
def _word2vec_test_data_dir() -> str:
"""Return path to word2vec testing data directory."""
return os.path.join(mc_root_path(), 'mediacloud', 'test-data', 'word2vec')
def rotate_http_request_log():
root_path = mc_root_path()
log.debug('Media Cloud root path: %s' % root_path)
logs_dir = os.path.join(root_path, 'data', 'logs')
if not os.path.isdir(logs_dir):
raise Exception('Logs directory does not exist at path: %s' % logs_dir)
log.debug('Logs path: %s' % logs_dir)
try:
path_to_xz = subprocess.check_output(['/bin/bash', '-c', 'command -v xz']).decode('utf-8').strip()
except subprocess.CalledProcessError as ex:
raise Exception('"xz" not found on the system: %s' % str(ex))
log.info('Path to "xz": %s' % path_to_xz)
try:
path_to_unxz = subprocess.check_output(['/bin/bash', '-c', 'command -v unxz']).decode('utf-8').strip()
except subprocess.CalledProcessError as ex:
raise Exception('"unxz" not found on the system: %s' % str(ex))
log.info('Path to "unxz": %s' % path_to_unxz)
http_request_log_path = os.path.join(logs_dir, 'http_request.log')
if not os.path.isfile(http_request_log_path):
raise Exception('HTTP request log does not exist at path: %s' % http_request_log_path)
log.info('HTTP request log path: %s' % http_request_log_path)
logrotate_state_file = os.path.join(logs_dir, 'http_request-logrotate.state')
log.debug('logrotate state file: %s' % logrotate_state_file)
logrotate_config = '''
%(http_request_log_path)s {
daily
size %(log_max_size)d
rotate %(old_log_count)d
copytruncate
compress
compresscmd %(path_to_xz)s
compressext .xz
compressoptions -9
uncompresscmd %(path_to_unxz)s
missingok
notifempty
}
''' % {
'http_request_log_path': http_request_log_path,
'log_max_size': __LOG_MAX_SIZE,
'old_log_count': __OLD_LOG_COUNT,
'path_to_xz': path_to_xz,
'path_to_unxz': path_to_unxz,
}
logrotate_temp_fd, logrotate_temp_config_path = tempfile.mkstemp(suffix='.conf', prefix='logrotate')
log.debug('Temporary logtorate config path: %s' % logrotate_temp_config_path)
with os.fdopen(logrotate_temp_fd, 'w') as tmp:
tmp.write(logrotate_config)
log.info('Running logrotate...')
subprocess.check_call([
'logrotate',
'--verbose',
'--state', logrotate_state_file,
logrotate_temp_config_path
])
log.debug('Cleaning up temporary logrotate config...')
os.unlink(logrotate_temp_config_path)
def _word2vec_test_data_dir() -> str:
"""Return path to word2vec testing data directory."""
return os.path.join(mc_root_path(), 'mediacloud', 'test-data', 'word2vec')
class McJapaneseTokenizer(object):
"""Japanese language tokenizer that uses MeCab."""
# Path to MeCab dictionary
# (protected and not private because used by the unit test)
_MECAB_DICTIONARY_PATH = os.path.join(
mc_root_path(),
'lib/MediaWords/Languages/resources/ja/mecab-ipadic-neologd/')
# MeCab instance
__mecab = None
# Text -> sentence tokenizer for Japanese text
__japanese_sentence_tokenizer = RegexpTokenizer(
r'([^！？。]*[！？。])',
gaps=True, # don't discard non-Japanese text
discard_empty=True,
)
# Text -> sentence tokenizer for non-Japanese (e.g. English) text
__non_japanese_sentence_tokenizer = PunktSentenceTokenizer()
__MECAB_TOKEN_POS_SEPARATOR = random_string(
length=16) # for whatever reason tab doesn't work
__MECAB_EOS_MARK = 'EOS'
def __init__(self):
"""Initialize MeCab tokenizer."""
if not os.path.isdir(self._MECAB_DICTIONARY_PATH):
raise McJapaneseTokenizerException("""
MeCab dictionary directory was not found: %s
Maybe you forgot to initialize Git submodules?
""" % self._MECAB_DICTIONARY_PATH)
if not os.path.isfile(
os.path.join(self._MECAB_DICTIONARY_PATH, 'sys.dic')):
raise McJapaneseTokenizerException("""
MeCab dictionary directory does not contain a dictionary: %s
Maybe you forgot to run ./install/install_mecab-ipadic-neologd.sh?
""" % self._MECAB_DICTIONARY_PATH)
try:
self.__mecab = MeCab.Tagger(
'--dicdir=%(dictionary_path)s '
'--node-format=%%m%(token_pos_separator)s%%h\\n '
'--eos-format=%(eos_mark)s\\n' % {
'token_pos_separator': self.__MECAB_TOKEN_POS_SEPARATOR,
'eos_mark': self.__MECAB_EOS_MARK,
'dictionary_path': self._MECAB_DICTIONARY_PATH,
})
except Exception as ex:
raise McJapaneseTokenizerException(
"Unable to initialize MeCab: %s" % str(ex))
def tokenize_text_to_sentences(self, text: str) -> list:
"""Tokenize Japanese text into sentences."""
text = decode_object_from_bytes_if_needed(text)
if text is None:
l.warning("Text to tokenize into sentences is None.")
return []
text = text.strip()
if len(text) == 0:
return []
# First split Japanese text
japanese_sentences = self.__japanese_sentence_tokenizer.tokenize(text)
sentences = []
for sentence in japanese_sentences:
# Split paragraphs separated by two line breaks denoting a list
paragraphs = re.split("\n\s*?\n", sentence)
for paragraph in paragraphs:
# Split lists separated by "* "
list_items = re.split("\n\s*?(?=\* )", paragraph)
for list_item in list_items:
# Split non-Japanese text
non_japanese_sentences = self.__non_japanese_sentence_tokenizer.tokenize(
list_item)
sentences += non_japanese_sentences
# Trim whitespace
sentences = [sentence.strip() for sentence in sentences]
return sentences
@staticmethod
def _mecab_allowed_pos_ids() -> Dict[int, str]:
"""Return allowed MeCab part-of-speech IDs and their definitions from pos-id.def.
Definitions don't do much in the language module itself, they're used by unit tests to verify that pos-id.def
didn't change in some unexpected way and we're not missing out on newly defined POSes.
"""
return {
36: '名詞,サ変接続,*,*', # noun-verbal
38: '名詞,一般,*,*', # noun
40: '名詞,形容動詞語幹,*,*', # adjectival nouns or quasi-adjectives
41: '名詞,固有名詞,一般,*', # proper nouns
42: '名詞,固有名詞,人名,一般', # proper noun, names of people
43: '名詞,固有名詞,人名,姓', # proper noun, first name
44: '名詞,固有名詞,人名,名', # proper noun, last name
45: '名詞,固有名詞,組織,*', # proper noun, organization
46: '名詞,固有名詞,地域,一般', # proper noun in general
47: '名詞,固有名詞,地域,国', # proper noun, country name
}
def tokenize_sentence_to_words(self, sentence: str) -> list:
"""Tokenize Japanese sentence into words.
Removes punctuation and words that don't belong to part-of-speech whitelist."""
sentence = decode_object_from_bytes_if_needed(sentence)
if sentence is None:
l.warning("Sentence to tokenize into words is None.")
return []
sentence = sentence.strip()
if len(sentence) == 0:
return []
parsed_text = self.__mecab.parse(sentence).strip()
parsed_tokens = parsed_text.split("\n")
allowed_pos_ids = self._mecab_allowed_pos_ids()
words = []
for parsed_token_line in parsed_tokens:
if self.__MECAB_TOKEN_POS_SEPARATOR in parsed_token_line:
primary_form_and_pos_number = parsed_token_line.split(
self.__MECAB_TOKEN_POS_SEPARATOR)
primary_form = primary_form_and_pos_number[0]
pos_number = primary_form_and_pos_number[1]
if pos_number.isdigit():
pos_number = int(pos_number)
if pos_number in allowed_pos_ids:
words.append(primary_form)
else:
# Ignore all the "EOS" stuff
pass
return words
