py3: synced _vendor with vcsserver py3 changes

rhodecode/lib/_vendor/jsonlogger/__init__.py

@@ -1,236 +1,236 b''
 '''
 This library is provided to allow standard python logging
 to output log data as JSON formatted strings
 '''
 import logging
 import json
 import re
 from datetime import date, datetime, time, tzinfo, timedelta
 import traceback
 import importlib
 
 from inspect import istraceback
 
 from collections import OrderedDict
 from rhodecode.lib.logging_formatter import _inject_req_id, ExceptionAwareFormatter
 
 ZERO = timedelta(0)
 HOUR = timedelta(hours=1)
 
 
 class UTC(tzinfo):
     """UTC"""
 
     def utcoffset(self, dt):
         return ZERO
 
     def tzname(self, dt):
         return "UTC"
 
     def dst(self, dt):
         return ZERO
 
 utc = UTC()
 
 
 # skip natural LogRecord attributes
 # http://docs.python.org/library/logging.html#logrecord-attributes
 RESERVED_ATTRS = (
     'args', 'asctime', 'created', 'exc_info', 'exc_text', 'filename',
     'funcName', 'levelname', 'levelno', 'lineno', 'module',
     'msecs', 'message', 'msg', 'name', 'pathname', 'process',
     'processName', 'relativeCreated', 'stack_info', 'thread', 'threadName')
 
 
 def merge_record_extra(record, target, reserved):
     """
     Merges extra attributes from LogRecord object into target dictionary
 
     :param record: logging.LogRecord
     :param target: dict to update
     :param reserved: dict or list with reserved keys to skip
     """
     for key, value in record.__dict__.items():
         # this allows to have numeric keys
         if (key not in reserved
             and not (hasattr(key, "startswith")
                      and key.startswith('_'))):
             target[key] = value
     return target
 
 
 class JsonEncoder(json.JSONEncoder):
     """
     A custom encoder extending the default JSONEncoder
     """
 
     def default(self, obj):
         if isinstance(obj, (date, datetime, time)):
             return self.format_datetime_obj(obj)
 
         elif istraceback(obj):
             return ''.join(traceback.format_tb(obj)).strip()
 
         elif type(obj) == Exception \
                 or isinstance(obj, Exception) \
                 or type(obj) == type:
             return str(obj)
 
         try:
             return super(JsonEncoder, self).default(obj)
 
         except TypeError:
             try:
                 return str(obj)
 
             except Exception:
                 return None
 
     def format_datetime_obj(self, obj):
         return obj.isoformat()
 
 
 class JsonFormatter(ExceptionAwareFormatter):
     """
     A custom formatter to format logging records as json strings.
     Extra values will be formatted as str() if not supported by
     json default encoder
     """
 
     def __init__(self, *args, **kwargs):
         """
         :param json_default: a function for encoding non-standard objects
             as outlined in http://docs.python.org/2/library/json.html
         :param json_encoder: optional custom encoder
         :param json_serializer: a :meth:`json.dumps`-compatible callable
             that will be used to serialize the log record.
         :param json_indent: an optional :meth:`json.dumps`-compatible numeric value
             that will be used to customize the indent of the output json.
         :param prefix: an optional string prefix added at the beginning of
             the formatted string
         :param json_indent: indent parameter for json.dumps
         :param json_ensure_ascii: ensure_ascii parameter for json.dumps
         :param reserved_attrs: an optional list of fields that will be skipped when
             outputting json log record. Defaults to all log record attributes:
             http://docs.python.org/library/logging.html#logrecord-attributes
         :param timestamp: an optional string/boolean field to add a timestamp when
             outputting the json log record. If string is passed, timestamp will be added
             to log record using string as key. If True boolean is passed, timestamp key
             will be "timestamp". Defaults to False/off.
         """
         self.json_default = self._str_to_fn(kwargs.pop("json_default", None))
         self.json_encoder = self._str_to_fn(kwargs.pop("json_encoder", None))
         self.json_serializer = self._str_to_fn(kwargs.pop("json_serializer", json.dumps))
         self.json_indent = kwargs.pop("json_indent", None)
         self.json_ensure_ascii = kwargs.pop("json_ensure_ascii", True)
         self.prefix = kwargs.pop("prefix", "")
         reserved_attrs = kwargs.pop("reserved_attrs", RESERVED_ATTRS)
-        self.reserved_attrs = dict(zip(reserved_attrs, reserved_attrs))
+        self.reserved_attrs = dict(list(zip(reserved_attrs, reserved_attrs)))
         self.timestamp = kwargs.pop("timestamp", True)
 
         # super(JsonFormatter, self).__init__(*args, **kwargs)
         logging.Formatter.__init__(self, *args, **kwargs)
         if not self.json_encoder and not self.json_default:
             self.json_encoder = JsonEncoder
 
         self._required_fields = self.parse()
-        self._skip_fields = dict(zip(self._required_fields,
-                                     self._required_fields))
+        self._skip_fields = dict(list(zip(self._required_fields,
+                                      self._required_fields)))
         self._skip_fields.update(self.reserved_attrs)
 
     def _str_to_fn(self, fn_as_str):
         """
         If the argument is not a string, return whatever was passed in.
         Parses a string such as package.module.function, imports the module
         and returns the function.
 
         :param fn_as_str: The string to parse. If not a string, return it.
         """
         if not isinstance(fn_as_str, str):
             return fn_as_str
 
         path, _, function = fn_as_str.rpartition('.')
         module = importlib.import_module(path)
         return getattr(module, function)
 
     def parse(self):
         """
         Parses format string looking for substitutions
 
         This method is responsible for returning a list of fields (as strings)
         to include in all log messages.
         """
         standard_formatters = re.compile(r'\((.+?)\)', re.IGNORECASE)
         return standard_formatters.findall(self._fmt)
 
     def add_fields(self, log_record, record, message_dict):
         """
         Override this method to implement custom logic for adding fields.
         """
         for field in self._required_fields:
             log_record[field] = record.__dict__.get(field)
         log_record.update(message_dict)
         merge_record_extra(record, log_record, reserved=self._skip_fields)
 
         if self.timestamp:
             key = self.timestamp if type(self.timestamp) == str else 'timestamp'
             log_record[key] = datetime.fromtimestamp(record.created, tz=utc)
 
     def process_log_record(self, log_record):
         """
         Override this method to implement custom logic
         on the possibly ordered dictionary.
         """
         return log_record
 
     def jsonify_log_record(self, log_record):
         """Returns a json string of the log record."""
         return self.json_serializer(log_record,
                                     default=self.json_default,
                                     cls=self.json_encoder,
                                     indent=self.json_indent,
                                     ensure_ascii=self.json_ensure_ascii)
 
     def serialize_log_record(self, log_record):
         """Returns the final representation of the log record."""
         return "%s%s" % (self.prefix, self.jsonify_log_record(log_record))
 
     def format(self, record):
         """Formats a log record and serializes to json"""
         message_dict = {}
         # FIXME: logging.LogRecord.msg and logging.LogRecord.message in typeshed
         #        are always type of str. We shouldn't need to override that.
         if isinstance(record.msg, dict):
             message_dict = record.msg
             record.message = None
         else:
             record.message = record.getMessage()
         # only format time if needed
         if "asctime" in self._required_fields:
             record.asctime = self.formatTime(record, self.datefmt)
 
         # Display formatted exception, but allow overriding it in the
         # user-supplied dict.
         if record.exc_info and not message_dict.get('exc_info'):
             message_dict['exc_info'] = self.formatException(record.exc_info)
         if not message_dict.get('exc_info') and record.exc_text:
             message_dict['exc_info'] = record.exc_text
         # Display formatted record of stack frames
         # default format is a string returned from :func:`traceback.print_stack`
         try:
             if record.stack_info and not message_dict.get('stack_info'):
                 message_dict['stack_info'] = self.formatStack(record.stack_info)
         except AttributeError:
             # Python2.7 doesn't have stack_info.
             pass
 
         try:
             log_record = OrderedDict()
         except NameError:
             log_record = {}
 
         _inject_req_id(record, with_prefix=False)
         self.add_fields(log_record, record, message_dict)
         log_record = self.process_log_record(log_record)
 
         return self.serialize_log_record(log_record)

rhodecode/lib/_vendor/redis_lock/__init__.py

@@ -1,390 +1,384 b''
 import sys
 import threading
 import weakref
 from base64 import b64encode
 from logging import getLogger
 from os import urandom
 
 from redis import StrictRedis
 
 __version__ = '3.7.0'
 
 loggers = {
     k: getLogger("rhodecode." + ".".join((__name__, k)))
     for k in [
         "acquire",
         "refresh.thread.start",
         "refresh.thread.stop",
         "refresh.thread.exit",
         "refresh.start",
         "refresh.shutdown",
         "refresh.exit",
         "release",
     ]
 }
 
-PY3 = sys.version_info[0] == 3
-
-if PY3:
-    text_type = str
-    binary_type = bytes
-else:
-    text_type = unicode  # noqa
-    binary_type = str
+text_type = str
+binary_type = bytes
 
 
 # Check if the id match. If not, return an error code.
 UNLOCK_SCRIPT = b"""
     if redis.call("get", KEYS[1]) ~= ARGV[1] then
         return 1
     else
         redis.call("del", KEYS[2])
         redis.call("lpush", KEYS[2], 1)
         redis.call("pexpire", KEYS[2], ARGV[2])
         redis.call("del", KEYS[1])
         return 0
     end
 """
 
 # Covers both cases when key doesn't exist and doesn't equal to lock's id
 EXTEND_SCRIPT = b"""
     if redis.call("get", KEYS[1]) ~= ARGV[1] then
         return 1
     elseif redis.call("ttl", KEYS[1]) < 0 then
         return 2
     else
         redis.call("expire", KEYS[1], ARGV[2])
         return 0
     end
 """
 
 RESET_SCRIPT = b"""
     redis.call('del', KEYS[2])
     redis.call('lpush', KEYS[2], 1)
     redis.call('pexpire', KEYS[2], ARGV[2])
     return redis.call('del', KEYS[1])
 """
 
 RESET_ALL_SCRIPT = b"""
     local locks = redis.call('keys', 'lock:*')
     local signal
     for _, lock in pairs(locks) do
         signal = 'lock-signal:' .. string.sub(lock, 6)
         redis.call('del', signal)
         redis.call('lpush', signal, 1)
         redis.call('expire', signal, 1)
         redis.call('del', lock)
     end
     return #locks
 """
 
 
 class AlreadyAcquired(RuntimeError):
     pass
 
 
 class NotAcquired(RuntimeError):
     pass
 
 
 class AlreadyStarted(RuntimeError):
     pass
 
 
 class TimeoutNotUsable(RuntimeError):
     pass
 
 
 class InvalidTimeout(RuntimeError):
     pass
 
 
 class TimeoutTooLarge(RuntimeError):
     pass
 
 
 class NotExpirable(RuntimeError):
     pass
 
 
 class Lock(object):
     """
     A Lock context manager implemented via redis SETNX/BLPOP.
     """
     unlock_script = None
     extend_script = None
     reset_script = None
     reset_all_script = None
 
     def __init__(self, redis_client, name, expire=None, id=None, auto_renewal=False, strict=True, signal_expire=1000):
         """
         :param redis_client:
             An instance of :class:`~StrictRedis`.
         :param name:
             The name (redis key) the lock should have.
         :param expire:
             The lock expiry time in seconds. If left at the default (None)
             the lock will not expire.
         :param id:
             The ID (redis value) the lock should have. A random value is
             generated when left at the default.
 
             Note that if you specify this then the lock is marked as "held". Acquires
             won't be possible.
         :param auto_renewal:
             If set to ``True``, Lock will automatically renew the lock so that it
             doesn't expire for as long as the lock is held (acquire() called
             or running in a context manager).
 
             Implementation note: Renewal will happen using a daemon thread with
             an interval of ``expire*2/3``. If wishing to use a different renewal
             time, subclass Lock, call ``super().__init__()`` then set
             ``self._lock_renewal_interval`` to your desired interval.
         :param strict:
             If set ``True`` then the ``redis_client`` needs to be an instance of ``redis.StrictRedis``.
         :param signal_expire:
             Advanced option to override signal list expiration in milliseconds. Increase it for very slow clients. Default: ``1000``.
         """
         if strict and not isinstance(redis_client, StrictRedis):
             raise ValueError("redis_client must be instance of StrictRedis. "
                              "Use strict=False if you know what you're doing.")
         if auto_renewal and expire is None:
             raise ValueError("Expire may not be None when auto_renewal is set")
 
         self._client = redis_client
 
         if expire:
             expire = int(expire)
             if expire < 0:
                 raise ValueError("A negative expire is not acceptable.")
         else:
             expire = None
         self._expire = expire
 
         self._signal_expire = signal_expire
         if id is None:
             self._id = b64encode(urandom(18)).decode('ascii')
         elif isinstance(id, binary_type):
             try:
                 self._id = id.decode('ascii')
             except UnicodeDecodeError:
                 self._id = b64encode(id).decode('ascii')
         elif isinstance(id, text_type):
             self._id = id
         else:
             raise TypeError("Incorrect type for `id`. Must be bytes/str not %s." % type(id))
         self._name = 'lock:' + name
         self._signal = 'lock-signal:' + name
         self._lock_renewal_interval = (float(expire) * 2 / 3
                                        if auto_renewal
                                        else None)
         self._lock_renewal_thread = None
 
         self.register_scripts(redis_client)
 
     @classmethod
     def register_scripts(cls, redis_client):
         global reset_all_script
         if reset_all_script is None:
             reset_all_script = redis_client.register_script(RESET_ALL_SCRIPT)
             cls.unlock_script = redis_client.register_script(UNLOCK_SCRIPT)
             cls.extend_script = redis_client.register_script(EXTEND_SCRIPT)
             cls.reset_script = redis_client.register_script(RESET_SCRIPT)
             cls.reset_all_script = redis_client.register_script(RESET_ALL_SCRIPT)
 
     @property
     def _held(self):
         return self.id == self.get_owner_id()
 
     def reset(self):
         """
         Forcibly deletes the lock. Use this with care.
         """
         self.reset_script(client=self._client, keys=(self._name, self._signal), args=(self.id, self._signal_expire))
 
     @property
     def id(self):
         return self._id
 
     def get_owner_id(self):
         owner_id = self._client.get(self._name)
         if isinstance(owner_id, binary_type):
             owner_id = owner_id.decode('ascii', 'replace')
         return owner_id
 
     def acquire(self, blocking=True, timeout=None):
         """
         :param blocking:
             Boolean value specifying whether lock should be blocking or not.
         :param timeout:
             An integer value specifying the maximum number of seconds to block.
         """
         logger = loggers["acquire"]
 
         logger.debug("Getting blocking: %s acquire on %r ...", blocking, self._name)
 
         if self._held:
             owner_id = self.get_owner_id()
             raise AlreadyAcquired("Already acquired from this Lock instance. Lock id: {}".format(owner_id))
 
         if not blocking and timeout is not None:
             raise TimeoutNotUsable("Timeout cannot be used if blocking=False")
 
         if timeout:
             timeout = int(timeout)
             if timeout < 0:
                 raise InvalidTimeout("Timeout (%d) cannot be less than or equal to 0" % timeout)
 
             if self._expire and not self._lock_renewal_interval and timeout > self._expire:
                 raise TimeoutTooLarge("Timeout (%d) cannot be greater than expire (%d)" % (timeout, self._expire))
 
         busy = True
         blpop_timeout = timeout or self._expire or 0
         timed_out = False
         while busy:
             busy = not self._client.set(self._name, self._id, nx=True, ex=self._expire)
             if busy:
                 if timed_out:
                     return False
                 elif blocking:
                     timed_out = not self._client.blpop(self._signal, blpop_timeout) and timeout
                 else:
                     logger.warning("Failed to get %r.", self._name)
                     return False
 
         logger.debug("Got lock for %r.", self._name)
         if self._lock_renewal_interval is not None:
             self._start_lock_renewer()
         return True
 
     def extend(self, expire=None):
         """Extends expiration time of the lock.
 
         :param expire:
             New expiration time. If ``None`` - `expire` provided during
             lock initialization will be taken.
         """
         if expire:
             expire = int(expire)
             if expire < 0:
                 raise ValueError("A negative expire is not acceptable.")
         elif self._expire is not None:
             expire = self._expire
         else:
             raise TypeError(
                 "To extend a lock 'expire' must be provided as an "
                 "argument to extend() method or at initialization time."
             )
 
         error = self.extend_script(client=self._client, keys=(self._name, self._signal), args=(self._id, expire))
         if error == 1:
             raise NotAcquired("Lock %s is not acquired or it already expired." % self._name)
         elif error == 2:
             raise NotExpirable("Lock %s has no assigned expiration time" % self._name)
         elif error:
             raise RuntimeError("Unsupported error code %s from EXTEND script" % error)
 
     @staticmethod
     def _lock_renewer(lockref, interval, stop):
         """
         Renew the lock key in redis every `interval` seconds for as long
         as `self._lock_renewal_thread.should_exit` is False.
         """
         while not stop.wait(timeout=interval):
             loggers["refresh.thread.start"].debug("Refreshing lock")
             lock = lockref()
             if lock is None:
                 loggers["refresh.thread.stop"].debug(
                     "The lock no longer exists, stopping lock refreshing"
                 )
                 break
             lock.extend(expire=lock._expire)
             del lock
         loggers["refresh.thread.exit"].debug("Exit requested, stopping lock refreshing")
 
     def _start_lock_renewer(self):
         """
         Starts the lock refresher thread.
         """
         if self._lock_renewal_thread is not None:
             raise AlreadyStarted("Lock refresh thread already started")
 
         loggers["refresh.start"].debug(
             "Starting thread to refresh lock every %s seconds",
             self._lock_renewal_interval
         )
         self._lock_renewal_stop = threading.Event()
         self._lock_renewal_thread = threading.Thread(
             group=None,
             target=self._lock_renewer,
             kwargs={'lockref': weakref.ref(self),
                     'interval': self._lock_renewal_interval,
                     'stop': self._lock_renewal_stop}
         )
         self._lock_renewal_thread.setDaemon(True)
         self._lock_renewal_thread.start()
 
     def _stop_lock_renewer(self):
         """
         Stop the lock renewer.
 
         This signals the renewal thread and waits for its exit.
         """
         if self._lock_renewal_thread is None or not self._lock_renewal_thread.is_alive():
             return
         loggers["refresh.shutdown"].debug("Signalling the lock refresher to stop")
         self._lock_renewal_stop.set()
         self._lock_renewal_thread.join()
         self._lock_renewal_thread = None
         loggers["refresh.exit"].debug("Lock refresher has stopped")
 
     def __enter__(self):
         acquired = self.acquire(blocking=True)
         assert acquired, "Lock wasn't acquired, but blocking=True"
         return self
 
     def __exit__(self, exc_type=None, exc_value=None, traceback=None):
         self.release()
 
     def release(self):
         """Releases the lock, that was acquired with the same object.
 
         .. note::
 
             If you want to release a lock that you acquired in a different place you have two choices:
 
             * Use ``Lock("name", id=id_from_other_place).release()``
             * Use ``Lock("name").reset()``
         """
         if self._lock_renewal_thread is not None:
             self._stop_lock_renewer()
         loggers["release"].debug("Releasing %r.", self._name)
         error = self.unlock_script(client=self._client, keys=(self._name, self._signal), args=(self._id, self._signal_expire))
         if error == 1:
             raise NotAcquired("Lock %s is not acquired or it already expired." % self._name)
         elif error:
             raise RuntimeError("Unsupported error code %s from EXTEND script." % error)
 
     def locked(self):
         """
         Return true if the lock is acquired.
 
         Checks that lock with same name already exists. This method returns true, even if
         lock have another id.
         """
         return self._client.exists(self._name) == 1
 
 
 reset_all_script = None
 
 
 def reset_all(redis_client):
     """
     Forcibly deletes all locks if its remains (like a crash reason). Use this with care.
 
     :param redis_client:
         An instance of :class:`~StrictRedis`.
     """
     Lock.register_scripts(redis_client)
 
     reset_all_script(client=redis_client)  # noqa

rhodecode/lib/_vendor/statsd/__init__.py

@@ -1,52 +1,52 b''
-from __future__ import absolute_import, division, unicode_literals
+
 
 import logging
 
 from .stream import TCPStatsClient, UnixSocketStatsClient  # noqa
 from .udp import StatsClient  # noqa
 
 HOST = 'localhost'
 PORT = 8125
 IPV6 = False
 PREFIX = None
 MAXUDPSIZE = 512
 
 log = logging.getLogger('rhodecode.statsd')
 
 
 def statsd_config(config, prefix='statsd.'):
     _config = {}
     for key in config.keys():
         if key.startswith(prefix):
             _config[key[len(prefix):]] = config[key]
     return _config
 
 
 def client_from_config(configuration, prefix='statsd.', **kwargs):
     from pyramid.settings import asbool
 
     _config = statsd_config(configuration, prefix)
     statsd_enabled = asbool(_config.pop('enabled', False))
     if not statsd_enabled:
         log.debug('statsd client not enabled by statsd.enabled =  flag, skipping...')
         return
 
     host = _config.pop('statsd_host', HOST)
     port = _config.pop('statsd_port', PORT)
     prefix = _config.pop('statsd_prefix', PREFIX)
     maxudpsize = _config.pop('statsd_maxudpsize', MAXUDPSIZE)
     ipv6 = asbool(_config.pop('statsd_ipv6', IPV6))
     log.debug('configured statsd client %s:%s', host, port)
 
     try:
         client = StatsClient(
             host=host, port=port, prefix=prefix, maxudpsize=maxudpsize, ipv6=ipv6)
     except Exception:
         log.exception('StatsD is enabled, but failed to connect to statsd server, fallback: disable statsd')
         client = None
 
     return client
 
 
 def get_statsd_client(request):
     return client_from_config(request.registry.settings)

rhodecode/lib/_vendor/statsd/base.py

@@ -1,156 +1,156 b''
-from __future__ import absolute_import, division, unicode_literals
+
 
 import re
 import random
 from collections import deque
 from datetime import timedelta
 from repoze.lru import lru_cache
 
 from .timer import Timer
 
 TAG_INVALID_CHARS_RE = re.compile(
     r"[^\w\d_\-:/\.]",
     #re.UNICODE
 )
 TAG_INVALID_CHARS_SUBS = "_"
 
 # we save and expose methods called by statsd for discovery
 buckets_dict = {
 
 }
 
 
 @lru_cache(maxsize=500)
 def _normalize_tags_with_cache(tag_list):
     return [TAG_INVALID_CHARS_RE.sub(TAG_INVALID_CHARS_SUBS, tag) for tag in tag_list]
 
 
 def normalize_tags(tag_list):
     # We have to turn our input tag list into a non-mutable tuple for it to
     # be hashable (and thus usable) by the @lru_cache decorator.
     return _normalize_tags_with_cache(tuple(tag_list))
 
 
 class StatsClientBase(object):
     """A Base class for various statsd clients."""
 
     def close(self):
         """Used to close and clean up any underlying resources."""
         raise NotImplementedError()
 
     def _send(self):
         raise NotImplementedError()
 
     def pipeline(self):
         raise NotImplementedError()
 
     def timer(self, stat, rate=1, tags=None, auto_send=True):
         """
         statsd = StatsdClient.statsd
         with statsd.timer('bucket_name', auto_send=True) as tmr:
             # This block will be timed.
             for i in range(0, 100000):
                 i ** 2
         # you can access time here...
         elapsed_ms = tmr.ms
         """
         return Timer(self, stat, rate, tags, auto_send=auto_send)
 
     def timing(self, stat, delta, rate=1, tags=None, use_decimals=True):
         """
         Send new timing information.
 
         `delta` can be either a number of milliseconds or a timedelta.
         """
         if isinstance(delta, timedelta):
             # Convert timedelta to number of milliseconds.
             delta = delta.total_seconds() * 1000.
         if use_decimals:
             fmt = '%0.6f|ms'
         else:
             fmt = '%s|ms'
         self._send_stat(stat, fmt % delta, rate, tags)
 
     def incr(self, stat, count=1, rate=1, tags=None):
         """Increment a stat by `count`."""
         self._send_stat(stat, '%s|c' % count, rate, tags)
 
     def decr(self, stat, count=1, rate=1, tags=None):
         """Decrement a stat by `count`."""
         self.incr(stat, -count, rate, tags)
 
     def gauge(self, stat, value, rate=1, delta=False, tags=None):
         """Set a gauge value."""
         if value < 0 and not delta:
             if rate < 1:
                 if random.random() > rate:
                     return
             with self.pipeline() as pipe:
                 pipe._send_stat(stat, '0|g', 1)
                 pipe._send_stat(stat, '%s|g' % value, 1)
         else:
             prefix = '+' if delta and value >= 0 else ''
             self._send_stat(stat, '%s%s|g' % (prefix, value), rate, tags)
 
     def set(self, stat, value, rate=1):
         """Set a set value."""
         self._send_stat(stat, '%s|s' % value, rate)
 
     def histogram(self, stat, value, rate=1, tags=None):
         """Set a histogram"""
         self._send_stat(stat, '%s|h' % value, rate, tags)
 
     def _send_stat(self, stat, value, rate, tags=None):
         self._after(self._prepare(stat, value, rate, tags))
 
     def _prepare(self, stat, value, rate, tags=None):
         global buckets_dict
         buckets_dict[stat] = 1
 
         if rate < 1:
             if random.random() > rate:
                 return
             value = '%s|@%s' % (value, rate)
 
         if self._prefix:
             stat = '%s.%s' % (self._prefix, stat)
 
         res = '%s:%s%s' % (
             stat,
             value,
             ("|#" + ",".join(normalize_tags(tags))) if tags else "",
         )
         return res
 
     def _after(self, data):
         if data:
             self._send(data)
 
 
 class PipelineBase(StatsClientBase):
 
     def __init__(self, client):
         self._client = client
         self._prefix = client._prefix
         self._stats = deque()
 
     def _send(self):
         raise NotImplementedError()
 
     def _after(self, data):
         if data is not None:
             self._stats.append(data)
 
     def __enter__(self):
         return self
 
     def __exit__(self, typ, value, tb):
         self.send()
 
     def send(self):
         if not self._stats:
             return
         self._send()
 
     def pipeline(self):
         return self.__class__(self)

rhodecode/lib/_vendor/statsd/stream.py

@@ -1,75 +1,75 b''
-from __future__ import absolute_import, division, unicode_literals
+
 
 import socket
 
 from .base import StatsClientBase, PipelineBase
 
 
 class StreamPipeline(PipelineBase):
     def _send(self):
         self._client._after('\n'.join(self._stats))
         self._stats.clear()
 
 
 class StreamClientBase(StatsClientBase):
     def connect(self):
         raise NotImplementedError()
 
     def close(self):
         if self._sock and hasattr(self._sock, 'close'):
             self._sock.close()
         self._sock = None
 
     def reconnect(self):
         self.close()
         self.connect()
 
     def pipeline(self):
         return StreamPipeline(self)
 
     def _send(self, data):
         """Send data to statsd."""
         if not self._sock:
             self.connect()
         self._do_send(data)
 
     def _do_send(self, data):
         self._sock.sendall(data.encode('ascii') + b'\n')
 
 
 class TCPStatsClient(StreamClientBase):
     """TCP version of StatsClient."""
 
     def __init__(self, host='localhost', port=8125, prefix=None,
                  timeout=None, ipv6=False):
         """Create a new client."""
         self._host = host
         self._port = port
         self._ipv6 = ipv6
         self._timeout = timeout
         self._prefix = prefix
         self._sock = None
 
     def connect(self):
         fam = socket.AF_INET6 if self._ipv6 else socket.AF_INET
         family, _, _, _, addr = socket.getaddrinfo(
             self._host, self._port, fam, socket.SOCK_STREAM)[0]
         self._sock = socket.socket(family, socket.SOCK_STREAM)
         self._sock.settimeout(self._timeout)
         self._sock.connect(addr)
 
 
 class UnixSocketStatsClient(StreamClientBase):
     """Unix domain socket version of StatsClient."""
 
     def __init__(self, socket_path, prefix=None, timeout=None):
         """Create a new client."""
         self._socket_path = socket_path
         self._timeout = timeout
         self._prefix = prefix
         self._sock = None
 
     def connect(self):
         self._sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM)
         self._sock.settimeout(self._timeout)
         self._sock.connect(self._socket_path)

rhodecode/lib/_vendor/statsd/timer.py

@@ -1,75 +1,68 b''
 from __future__ import absolute_import, division, unicode_literals
 
 import functools
-
-# Use timer that's not susceptible to time of day adjustments.
-try:
-    # perf_counter is only present on Py3.3+
-    from time import perf_counter as time_now
-except ImportError:
-    # fall back to using time
-    from time import time as time_now
+from time import perf_counter as time_now
 
 
 def safe_wraps(wrapper, *args, **kwargs):
     """Safely wraps partial functions."""
     while isinstance(wrapper, functools.partial):
         wrapper = wrapper.func
     return functools.wraps(wrapper, *args, **kwargs)
 
 
 class Timer(object):
     """A context manager/decorator for statsd.timing()."""
 
     def __init__(self, client, stat, rate=1, tags=None, use_decimals=True, auto_send=True):
         self.client = client
         self.stat = stat
         self.rate = rate
         self.tags = tags
         self.ms = None
         self._sent = False
         self._start_time = None
         self.use_decimals = use_decimals
         self.auto_send = auto_send
 
     def __call__(self, f):
         """Thread-safe timing function decorator."""
         @safe_wraps(f)
         def _wrapped(*args, **kwargs):
             start_time = time_now()
             try:
                 return f(*args, **kwargs)
             finally:
                 elapsed_time_ms = 1000.0 * (time_now() - start_time)
                 self.client.timing(self.stat, elapsed_time_ms, self.rate, self.tags, self.use_decimals)
                 self._sent = True
         return _wrapped
 
     def __enter__(self):
         return self.start()
 
     def __exit__(self, typ, value, tb):
         self.stop(send=self.auto_send)
 
     def start(self):
         self.ms = None
         self._sent = False
         self._start_time = time_now()
         return self
 
     def stop(self, send=True):
         if self._start_time is None:
             raise RuntimeError('Timer has not started.')
         dt = time_now() - self._start_time
         self.ms = 1000.0 * dt  # Convert to milliseconds.
         if send:
             self.send()
         return self
 
     def send(self):
         if self.ms is None:
             raise RuntimeError('No data recorded.')
         if self._sent:
             raise RuntimeError('Already sent data.')
         self._sent = True
         self.client.timing(self.stat, self.ms, self.rate, self.tags, self.use_decimals)

rhodecode/lib/_vendor/statsd/udp.py

@@ -1,55 +1,55 b''
-from __future__ import absolute_import, division, unicode_literals
+
 
 import socket
 
 from .base import StatsClientBase, PipelineBase
 
 
 class Pipeline(PipelineBase):
 
     def __init__(self, client):
         super(Pipeline, self).__init__(client)
         self._maxudpsize = client._maxudpsize
 
     def _send(self):
         data = self._stats.popleft()
         while self._stats:
             # Use popleft to preserve the order of the stats.
             stat = self._stats.popleft()
             if len(stat) + len(data) + 1 >= self._maxudpsize:
                 self._client._after(data)
                 data = stat
             else:
                 data += '\n' + stat
         self._client._after(data)
 
 
 class StatsClient(StatsClientBase):
     """A client for statsd."""
 
     def __init__(self, host='localhost', port=8125, prefix=None,
                  maxudpsize=512, ipv6=False):
         """Create a new client."""
         fam = socket.AF_INET6 if ipv6 else socket.AF_INET
         family, _, _, _, addr = socket.getaddrinfo(
             host, port, fam, socket.SOCK_DGRAM)[0]
         self._addr = addr
         self._sock = socket.socket(family, socket.SOCK_DGRAM)
         self._prefix = prefix
         self._maxudpsize = maxudpsize
 
     def _send(self, data):
         """Send data to statsd."""
         try:
             self._sock.sendto(data.encode('ascii'), self._addr)
         except (socket.error, RuntimeError):
             # No time for love, Dr. Jones!
             pass
 
     def close(self):
         if self._sock and hasattr(self._sock, 'close'):
             self._sock.close()
         self._sock = None
 
     def pipeline(self):
         return Pipeline(self)