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<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def find(self, path, match, flags): """ find every matching child path under path """
try: match = re.compile(match, flags) except sre_constants.error as ex: print("Bad regexp: %s" % (ex)) return offset = len(path) for cpath in Tree(self, path).get(): if match.search(cpath[offset:]): yield cpath
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def grep(self, path, content, flags): """ grep every child path under path for content """
try: match = re.compile(content, flags) except sre_constants.error as ex: print("Bad regexp: %s" % (ex)) return for gpath, matches in self.do_grep(path, match): yield (gpath, matches)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def do_grep(self, path, match): """ grep's work horse """
try: children = self.get_children(path) except (NoNodeError, NoAuthError): children = [] for child in children: full_path = os.path.join(path, child) try: value, _ = self.get(full_path) except (NoNodeError, NoAuthError...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def tree(self, path, max_depth, full_path=False, include_stat=False): """DFS generator which starts from a given path and goes up to a max depth. :param path: pa...
for child_level_stat in self.do_tree(path, max_depth, 0, full_path, include_stat): yield child_level_stat
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def do_tree(self, path, max_depth, level, full_path, include_stat): """ tree's work horse """
try: children = self.get_children(path) except (NoNodeError, NoAuthError): children = [] for child in children: cpath = os.path.join(path, child) if full_path else child if include_stat: yield cpath, level, self.stat(os.path.join(...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def equal(self, path_a, path_b): """ compare if a and b have the same bytes """
content_a, _ = self.get_bytes(path_a) content_b, _ = self.get_bytes(path_b) return content_a == content_b
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def stat(self, path): """ safely gets the Znode's Stat """
try: stat = self.exists(str(path)) except (NoNodeError, NoAuthError): stat = None return stat
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def reconnect(self): """ forces a reconnect by shutting down the connected socket return True if the reconnect happened, False otherwise """
state_change_event = self.handler.event_object() def listener(state): if state is KazooState.SUSPENDED: state_change_event.set() self.add_listener(listener) self._connection._socket.shutdown(socket.SHUT_RDWR) state_change_event.wait(1) if ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def dump_by_server(self, hosts): """Returns the output of dump for each server. :param hosts: comma separated lists of members of the ZK ensemble. :returns: A di...
dump_by_endpoint = {} for endpoint in self._to_endpoints(hosts): try: out = self.cmd([endpoint], "dump") except self.CmdFailed as ex: out = "" dump_by_endpoint[endpoint] = out return dump_by_endpoint
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def ephemerals_info(self, hosts): """Returns ClientInfo per path. :param hosts: comma separated lists of members of the ZK ensemble. :returns: A dictionary of (p...
info_by_path, info_by_id = {}, {} for server_endpoint, dump in self.dump_by_server(hosts).items(): server_ip, server_port = server_endpoint sid = None for line in dump.split("\n"): mat = self.SESSION_REGEX.match(line) if mat: ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def sessions_info(self, hosts): """Returns ClientInfo per session. :param hosts: comma separated lists of members of the ZK ensemble. :returns: A dictionary of (...
info_by_id = {} for server_endpoint, dump in self.dump_by_server(hosts).items(): server_ip, server_port = server_endpoint for line in dump.split("\n"): mat = self.IP_PORT_REGEX.match(line) if mat is None: continue ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def update(self, path, verbose=False): """ if the path isn't being watched, start watching it if it is, stop watching it """
if path in self._by_path: self.remove(path) else: self.add(path, verbose)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def from_string(cls, string, exists=False, asynchronous=False, verbose=False): """ if exists is bool, then check it either exists or it doesn't. if exists is Non...
result = cls.parse(string) if result.scheme not in cls.TYPES: raise CopyError("Invalid scheme: %s" % (result.scheme)) return cls.TYPES[result.scheme](result, exists, asynchronous, verbose)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def zk_walk(self, root_path, branch_path): """ skip ephemeral znodes since there's no point in copying those """
full_path = os.path.join(root_path, branch_path) if branch_path else root_path try: children = self.client.get_children(full_path) except NoNodeError: children = set() except NoAuthError: raise AuthError("read children", full_path) for child...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def write_path(self, path_value): """ this will overwrite dst path - be careful """
parent_dir = os.path.dirname(self.path) try: os.makedirs(parent_dir) except OSError: pass with open(self.path, "w") as fph: fph.write(path_value.value)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def get(self, exclude_recurse=None): """ Paths matching exclude_recurse will not be recursed. """
reqs = Queue() pending = 1 path = self.path zk = self.zk def child_of(path): return zk.get_children_async(path) def dispatch(path): return Request(path, child_of(path)) stat = zk.exists(path) if stat is None or stat.numChildren ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def to_type(value, ptype): """ Convert value to ptype """
if ptype == 'str': return str(value) elif ptype == 'int': return int(value) elif ptype == 'float': return float(value) elif ptype == 'bool': if value.lower() == 'true': return True elif value.lower() == 'false': return False raise ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def validate_one(cls, keystr): """ validates one key string """
regex = r'%s$' % cls.ALLOWED_KEY if re.match(regex, keystr) is None: raise cls.Bad("Bad key syntax for: %s. Should be: key1.key2..." % (keystr)) return True
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def validate(cls, keystr): """ raises cls.Bad if keys has errors """
if "#{" in keystr: # it's a template with keys vars keys = cls.from_template(keystr) for k in keys: cls.validate_one(cls.extract(k)) else: # plain keys str cls.validate_one(keystr)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def fetch(cls, obj, keys): """ fetches the value corresponding to keys from obj """
current = obj for key in keys.split("."): if type(current) == list: try: key = int(key) except TypeError: raise cls.Missing(key) try: current = current[key] except (IndexError, K...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def value(cls, obj, keystr): """ gets the value corresponding to keys from obj. if keys is a template string, it extrapolates the keys in it """
if "#{" in keystr: # it's a template with keys vars keys = cls.from_template(keystr) for k in keys: v = cls.fetch(obj, cls.extract(k)) keystr = keystr.replace(k, str(v)) value = keystr else: # plain keys str ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def set(cls, obj, keys, value, fill_list_value=None): """ sets the value for the given keys on obj. if any of the given keys does not exist, create the intermedi...
current = obj keys_list = keys.split(".") for idx, key in enumerate(keys_list, 1): if type(current) == list: # Validate this key works with a list. try: key = int(key) except ValueError: raise c...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def pretty_bytes(num): """ pretty print the given number of bytes """
for unit in ['', 'KB', 'MB', 'GB']: if num < 1024.0: if unit == '': return "%d" % (num) else: return "%3.1f%s" % (num, unit) num /= 1024.0 return "%3.1f%s" % (num, 'TB')
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def valid_ipv4(ip): """ check if ip is a valid ipv4 """
match = _valid_ipv4.match(ip) if match is None: return False octets = match.groups() if len(octets) != 4: return False first = int(octets[0]) if first < 1 or first > 254: return False for i in range(1, 4): octet = int(octets[i]) if octet < 0 or o...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def valid_host(host): """ check valid hostname """
for part in host.split("."): if not _valid_host_part.match(part): return False return True
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def valid_host_with_port(hostport): """ matches hostname or an IP, optionally with a port """
host, port = hostport.rsplit(":", 1) if ":" in hostport else (hostport, None) # first, validate host or IP if not valid_ipv4(host) and not valid_host(host): return False # now, validate port if port is not None and not valid_port(port): return False return True
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def split(path): """ splits path into parent, child """
if path == '/': return ('/', None) parent, child = path.rsplit('/', 1) if parent == '': parent = '/' return (parent, child)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def find_outliers(group, delta): """ given a list of values, find those that are apart from the rest by `delta`. the indexes for the outliers is returned, if any...
with_pos = sorted([pair for pair in enumerate(group)], key=lambda p: p[1]) outliers_start = outliers_end = -1 for i in range(0, len(with_pos) - 1): cur = with_pos[i][1] nex = with_pos[i + 1][1] if nex - cur > delta: # depending on where we are, outliers are the remaini...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def get_matching(content, match): """ filters out lines that don't include match """
if match != "": lines = [line for line in content.split("\n") if match in line] content = "\n".join(lines) return content
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def load_remote_db(self): """ Load remote S3 DB """
signature_version = self.settings_dict.get("SIGNATURE_VERSION", "s3v4") s3 = boto3.resource( 's3', config=botocore.client.Config(signature_version=signature_version), ) if '/tmp/' not in self.settings_dict['NAME']: try: etag = '' ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def close(self, *args, **kwargs): """ Engine closed, copy file to DB if it has changed """
super(DatabaseWrapper, self).close(*args, **kwargs) signature_version = self.settings_dict.get("SIGNATURE_VERSION", "s3v4") s3 = boto3.resource( 's3', config=botocore.client.Config(signature_version=signature_version), ) try: with open(self....
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def id(self): # pylint: disable=invalid-name,too-many-branches,too-many-return-statements """Return a unique id for the detected chip, if any."""
# There are some times we want to trick the platform detection # say if a raspberry pi doesn't have the right ID, or for testing try: return os.environ['BLINKA_FORCECHIP'] except KeyError: # no forced chip, continue with testing! pass # Special case, if ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _linux_id(self): """Attempt to detect the CPU on a computer running the Linux kernel."""
linux_id = None hardware = self.detector.get_cpuinfo_field("Hardware") if hardware is None: vendor_id = self.detector.get_cpuinfo_field("vendor_id") if vendor_id in ("GenuineIntel", "AuthenticAMD"): linux_id = GENERIC_X86 compatible = self....
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def id(self): """Return a unique id for the detected board, if any."""
# There are some times we want to trick the platform detection # say if a raspberry pi doesn't have the right ID, or for testing try: return os.environ['BLINKA_FORCEBOARD'] except KeyError: # no forced board, continue with testing! pass chip_id = self.de...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _pi_id(self): """Try to detect id of a Raspberry Pi."""
# Check for Pi boards: pi_rev_code = self._pi_rev_code() if pi_rev_code: for model, codes in _PI_REV_CODES.items(): if pi_rev_code in codes: return model return None
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _pi_rev_code(self): """Attempt to find a Raspberry Pi revision code for this board."""
# 2708 is Pi 1 # 2709 is Pi 2 # 2835 is Pi 3 (or greater) on 4.9.x kernel # Anything else is not a Pi. if self.detector.chip.id != ap_chip.BCM2XXX: # Something else, not a Pi. return None return self.detector.get_cpuinfo_field('Revision')
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _beaglebone_id(self): """Try to detect id of a Beaglebone."""
try: with open("/sys/bus/nvmem/devices/0-00500/nvmem", "rb") as eeprom: eeprom_bytes = eeprom.read(16) except FileNotFoundError: return None if eeprom_bytes[:4] != b'\xaaU3\xee': return None id_string = eeprom_bytes[4:].decode("ascii...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _tegra_id(self): """Try to detect the id of aarch64 board."""
board_value = self.detector.get_device_model() if 'tx1' in board_value: return JETSON_TX1 elif 'quill' in board_value: return JETSON_TX2 elif 'xavier' in board_value: return JETSON_XAVIER elif 'nano' in board_value: return JETSON_N...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def any_embedded_linux(self): """Check whether the current board is any embedded Linux device."""
return self.any_raspberry_pi or self.any_beaglebone or \ self.any_orange_pi or self.any_giant_board or self.any_jetson_board
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: async def middleware(request, handler): """ Main middleware function, deals with all the X-Ray segment logic """
# Create X-Ray headers xray_header = construct_xray_header(request.headers) # Get name of service or generate a dynamic one from host name = calculate_segment_name(request.headers['host'].split(':', 1)[0], xray_recorder) sampling_req = { 'host': request.headers['host'], 'method': r...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def to_id(self): """ Convert TraceId object to a string. """
return "%s%s%s%s%s" % (TraceId.VERSION, TraceId.DELIMITER, format(self.start_time, 'x'), TraceId.DELIMITER, self.__number)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def unpatch(): """ Unpatch any previously patched modules. This operation is idempotent. """
_PATCHED_MODULES.discard('httplib') setattr(httplib, PATCH_FLAG, False) # _send_request encapsulates putrequest, putheader[s], and endheaders unwrap(httplib.HTTPConnection, '_send_request') unwrap(httplib.HTTPConnection, 'getresponse') unwrap(httplib.HTTPResponse, 'read')
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def task_factory(loop, coro): """ Task factory function Fuction closely mirrors the logic inside of asyncio.BaseEventLoop.create_task. Then if there is a current...
task = asyncio.Task(coro, loop=loop) if task._source_traceback: # flake8: noqa del task._source_traceback[-1] # flake8: noqa # Share context with new task if possible current_task = asyncio.Task.current_task(loop=loop) if current_task is not None and hasattr(current_task, 'context'): ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def match(self, sampling_req): """ Determines whether or not this sampling rule applies to the incoming request based on some of the request's parameters. Any ``...
if sampling_req is None: return False host = sampling_req.get('host', None) method = sampling_req.get('method', None) path = sampling_req.get('path', None) service = sampling_req.get('service', None) service_type = sampling_req.get('service_type', None) ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def merge(self, rule): """ Migrate all stateful attributes from the old rule """
with self._lock: self._request_count = rule.request_count self._borrow_count = rule.borrow_count self._sampled_count = rule.sampled_count self._reservoir = rule.reservoir rule.reservoir = None
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def borrow_or_take(self, now, can_borrow): """ Decide whether to borrow or take one quota from the reservoir. Return ``False`` if it can neither borrow nor take....
with self._lock: return self._borrow_or_take(now, can_borrow)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def close(self, end_time=None): """ Close the trace entity by setting `end_time` and flip the in progress flag to False. :param int end_time: Epoch in seconds. I...
self._check_ended() if end_time: self.end_time = end_time else: self.end_time = time.time() self.in_progress = False
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def add_subsegment(self, subsegment): """ Add input subsegment as a child subsegment. """
self._check_ended() subsegment.parent_id = self.id self.subsegments.append(subsegment)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def put_http_meta(self, key, value): """ Add http related metadata. :param str key: Currently supported keys are: * url * method * user_agent * client_ip * statu...
self._check_ended() if value is None: return if key == http.STATUS: if isinstance(value, string_types): value = int(value) self.apply_status_code(value) if key in http.request_keys: if 'request' not in self.http: ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def put_annotation(self, key, value): """ Annotate segment or subsegment with a key-value pair. Annotations will be indexed for later search query. :param str ke...
self._check_ended() if not isinstance(key, string_types): log.warning("ignoring non string type annotation key with type %s.", type(key)) return if not isinstance(value, annotation_value_types): log.warning("ignoring unsupported annotation value type %s.", ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def put_metadata(self, key, value, namespace='default'): """ Add metadata to segment or subsegment. Metadata is not indexed but can be later retrieved by BatchGe...
self._check_ended() if not isinstance(namespace, string_types): log.warning("ignoring non string type metadata namespace") return if namespace.startswith('AWS.'): log.warning("Prefix 'AWS.' is reserved, drop metadata with namespace %s", namespace) ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def add_exception(self, exception, stack, remote=False): """ Add an exception to trace entities. :param Exception exception: the catched exception. :param list s...
self._check_ended() self.add_fault_flag() if hasattr(exception, '_recorded'): setattr(self, 'cause', getattr(exception, '_cause_id')) return exceptions = [] exceptions.append(Throwable(exception, stack, remote)) self.cause['exceptions'] = excep...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def serialize(self): """ Serialize to JSON document that can be accepted by the X-Ray backend service. It uses jsonpickle to perform serialization. """
try: return jsonpickle.encode(self, unpicklable=False) except Exception: log.exception("got an exception during serialization")
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _delete_empty_properties(self, properties): """ Delete empty properties before serialization to avoid extra keys with empty values in the output json. """
if not self.parent_id: del properties['parent_id'] if not self.subsegments: del properties['subsegments'] if not self.aws: del properties['aws'] if not self.http: del properties['http'] if not self.cause: del properties...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def reload_settings(*args, **kwargs): """ Reload X-Ray user settings upon Django server hot restart """
global settings setting, value = kwargs['setting'], kwargs['value'] if setting == XRAY_NAMESPACE: settings = XRaySettings(value)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def add_subsegment(self, subsegment): """ Add input subsegment as a child subsegment and increment reference counter and total subsegments counter. """
super(Segment, self).add_subsegment(subsegment) self.increment()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def remove_subsegment(self, subsegment): """ Remove the reference of input subsegment. """
super(Segment, self).remove_subsegment(subsegment) self.decrement_subsegments_size()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def set_user(self, user): """ set user of a segment. One segment can only have one user. User is indexed and can be later queried. """
super(Segment, self)._check_ended() self.user = user
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def set_rule_name(self, rule_name): """ Add the matched centralized sampling rule name if a segment is sampled because of that rule. This method should be only u...
if not self.aws.get('xray', None): self.aws['xray'] = {} self.aws['xray']['sampling_rule_name'] = rule_name
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def inject_trace_header(headers, entity): """ Extract trace id, entity id and sampling decision from the input entity and inject these information to headers. :p...
if not entity: return if hasattr(entity, 'type') and entity.type == 'subsegment': header = entity.parent_segment.get_origin_trace_header() else: header = entity.get_origin_trace_header() data = header.data if header else None to_insert = TraceHeader( root=entity.tr...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def calculate_sampling_decision(trace_header, recorder, sampling_req): """ Return 1 or the matched rule name if should sample and 0 if should not. The sampling d...
if trace_header.sampled is not None and trace_header.sampled != '?': return trace_header.sampled elif not recorder.sampling: return 1 else: decision = recorder.sampler.should_trace(sampling_req) return decision if decision else 0
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def construct_xray_header(headers): """ Construct a ``TraceHeader`` object from dictionary headers of the incoming request. This method should always return a ``...
header_str = headers.get(http.XRAY_HEADER) or headers.get(http.ALT_XRAY_HEADER) if header_str: return TraceHeader.from_header_str(header_str) else: return TraceHeader()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def calculate_segment_name(host_name, recorder): """ Returns the segment name based on recorder configuration and input host name. This is a helper generally use...
if recorder.dynamic_naming: return recorder.dynamic_naming.get_name(host_name) else: return recorder.service
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def prepare_response_header(origin_header, segment): """ Prepare a trace header to be inserted into response based on original header and the request segment. ""...
if origin_header and origin_header.sampled == '?': new_header = TraceHeader(root=segment.trace_id, sampled=segment.sampled) else: new_header = TraceHeader(root=segment.trace_id) return new_header.to_header_str()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def to_snake_case(name): """ Convert the input string to snake-cased string. """
s1 = first_cap_re.sub(r'\1_\2', name) # handle acronym words return all_cap_re.sub(r'\1_\2', s1).lower()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def patch(): """ Patch botocore client so it generates subsegments when calling AWS services. """
if hasattr(botocore.client, '_xray_enabled'): return setattr(botocore.client, '_xray_enabled', True) wrapt.wrap_function_wrapper( 'botocore.client', 'BaseClient._make_api_call', _xray_traced_botocore, ) wrapt.wrap_function_wrapper( 'botocore.endpoint', ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def configure(self, sampling=None, plugins=None, context_missing=None, sampling_rules=None, daemon_address=None, service=None, context=None, emitter=None, streami...
if sampling is not None: self.sampling = sampling if sampler: self.sampler = sampler if service: self.service = os.getenv(TRACING_NAME_KEY, service) if sampling_rules: self._load_sampling_rules(sampling_rules) if emitter: ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def begin_segment(self, name=None, traceid=None, parent_id=None, sampling=None): """ Begin a segment on the current thread and return it. The recorder only keeps...
seg_name = name or self.service if not seg_name: raise SegmentNameMissingException("Segment name is required.") # Sampling decision is None if not sampled. # In a sampled case it could be either a string or 1 # depending on if centralized or local sampling rule take...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def end_segment(self, end_time=None): """ End the current segment and send it to X-Ray daemon if it is ready to send. Ready means segment and all its subsegments...
self.context.end_segment(end_time) segment = self.current_segment() if segment and segment.ready_to_send(): self._send_segment()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def current_segment(self): """ Return the currently active segment. In a multithreading environment, this will make sure the segment returned is the one created ...
entity = self.get_trace_entity() if self._is_subsegment(entity): return entity.parent_segment else: return entity
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def begin_subsegment(self, name, namespace='local'): """ Begin a new subsegment. If there is open subsegment, the newly created subsegment will be the child of l...
segment = self.current_segment() if not segment: log.warning("No segment found, cannot begin subsegment %s." % name) return None if not segment.sampled: subsegment = DummySubsegment(segment, name) else: subsegment = Subsegment(name, name...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def end_subsegment(self, end_time=None): """ End the current active subsegment. If this is the last one open under its parent segment, the entire segment will be...
if not self.context.end_subsegment(end_time): return # if segment is already close, we check if we can send entire segment # otherwise we check if we need to stream some subsegments if self.current_segment().ready_to_send(): self._send_segment() else: ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def put_annotation(self, key, value): """ Annotate current active trace entity with a key-value pair. Annotations will be indexed for later search query. :param ...
entity = self.get_trace_entity() if entity and entity.sampled: entity.put_annotation(key, value)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def put_metadata(self, key, value, namespace='default'): """ Add metadata to the current active trace entity. Metadata is not indexed but can be later retrieved ...
entity = self.get_trace_entity() if entity and entity.sampled: entity.put_metadata(key, value, namespace)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def stream_subsegments(self): """ Stream all closed subsegments to the daemon and remove reference to the parent segment. No-op for a not sampled segment. """
segment = self.current_segment() if self.streaming.is_eligible(segment): self.streaming.stream(segment, self._stream_subsegment_out)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _send_segment(self): """ Send the current segment to X-Ray daemon if it is present and sampled, then clean up context storage. The emitter will handle failur...
segment = self.current_segment() if not segment: return if segment.sampled: self.emitter.send_entity(segment) self.clear_trace_entities()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def applies(self, host, method, path): """ Determines whether or not this sampling rule applies to the incoming request based on some of the request's parameters...
return (not host or wildcard_match(self.host, host)) \ and (not method or wildcard_match(self.method, method)) \ and (not path or wildcard_match(self.path, path))
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def ready(self): """ Configure global XRay recorder based on django settings under XRAY_RECORDER namespace. This method could be called twice during server start...
if not settings.AWS_XRAY_TRACING_NAME: raise SegmentNameMissingException('Segment name is required.') xray_recorder.configure( daemon_address=settings.AWS_XRAY_DAEMON_ADDRESS, sampling=settings.SAMPLING, sampling_rules=settings.SAMPLING_RULES, ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def start(self): """ Start rule poller and target poller once X-Ray daemon address and context manager is in place. """
if not global_sdk_config.sdk_enabled(): return with self._lock: if not self._started: self._rule_poller.start() self._target_poller.start() self._started = True
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def should_trace(self, sampling_req=None): """ Return the matched sampling rule name if the sampler finds one and decide to sample. If no sampling rule matched, ...
if not global_sdk_config.sdk_enabled(): return False if not self._started: self.start() # only front-end that actually uses the sampler spawns poller threads now = int(time.time()) if sampling_req and not sampling_req.get('service_type', None): samp...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def patch(): """Patch PynamoDB so it generates subsegements when calling DynamoDB."""
import pynamodb if hasattr(botocore.vendored.requests.sessions, '_xray_enabled'): return setattr(botocore.vendored.requests.sessions, '_xray_enabled', True) wrapt.wrap_function_wrapper( 'botocore.vendored.requests.sessions', 'Session.send', _xray_traced_pynamodb, )
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def end_segment(self, end_time=None): """ End the current active segment. :param int end_time: epoch in seconds. If not specified the current system time will be...
entity = self.get_trace_entity() if not entity: log.warning("No segment to end") return if self._is_subsegment(entity): entity.parent_segment.close(end_time) else: entity.close(end_time)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def put_subsegment(self, subsegment): """ Store the subsegment created by ``xray_recorder`` to the context. If you put a new subsegment while there is already an...
entity = self.get_trace_entity() if not entity: log.warning("Active segment or subsegment not found. Discarded %s." % subsegment.name) return entity.add_subsegment(subsegment) self._local.entities.append(subsegment)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def end_subsegment(self, end_time=None): """ End the current active segment. Return False if there is no subsegment to end. :param int end_time: epoch in seconds...
subsegment = self.get_trace_entity() if self._is_subsegment(subsegment): subsegment.close(end_time) self._local.entities.pop() return True else: log.warning("No subsegment to end.") return False
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def handle_context_missing(self): """ Called whenever there is no trace entity to access or mutate. """
if self.context_missing == 'RUNTIME_ERROR': log.error(MISSING_SEGMENT_MSG) raise SegmentNotFoundException(MISSING_SEGMENT_MSG) else: log.error(MISSING_SEGMENT_MSG)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def check_in_lambda(): """ Return None if SDK is not loaded in AWS Lambda worker. Otherwise drop a touch file and return a lambda context. """
if not os.getenv(LAMBDA_TASK_ROOT_KEY): return None try: os.mkdir(TOUCH_FILE_DIR) except OSError: log.debug('directory %s already exists', TOUCH_FILE_DIR) try: f = open(TOUCH_FILE_PATH, 'w+') f.close() # utime force second parameter in python2.7 ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _refresh_context(self): """ Get current facade segment. To prevent resource leaking in Lambda worker, every time there is segment present, we compare its tra...
header_str = os.getenv(LAMBDA_TRACE_HEADER_KEY) trace_header = TraceHeader.from_header_str(header_str) if not global_sdk_config.sdk_enabled(): trace_header._sampled = False segment = getattr(self._local, 'segment', None) if segment: # Ensure customers d...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _initialize_context(self, trace_header): """ Create a facade segment based on environment variables set by AWS Lambda and initialize storage for subsegments....
sampled = None if not global_sdk_config.sdk_enabled(): # Force subsequent subsegments to be disabled and turned into DummySegments. sampled = False elif trace_header.sampled == 0: sampled = False elif trace_header.sampled == 1: sampled = T...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def set_sdk_enabled(cls, value): """ Modifies the enabled flag if the "AWS_XRAY_SDK_ENABLED" environment variable is not set, otherwise, set the enabled flag to ...
# Environment Variables take precedence over hardcoded configurations. if cls.XRAY_ENABLED_KEY in os.environ: cls.__SDK_ENABLED = str(os.getenv(cls.XRAY_ENABLED_KEY, 'true')).lower() != 'false' else: if type(value) == bool: cls.__SDK_ENABLED = value ...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def _xray_register_type_fix(wrapped, instance, args, kwargs): """Send the actual connection or curser to register type."""
our_args = list(copy.copy(args)) if len(our_args) == 2 and isinstance(our_args[1], (XRayTracedConn, XRayTracedCursor)): our_args[1] = our_args[1].__wrapped__ return wrapped(*our_args, **kwargs)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def from_header_str(cls, header): """ Create a TraceHeader object from a tracing header string extracted from a http request headers. """
if not header: return cls() try: params = header.strip().split(HEADER_DELIMITER) header_dict = {} data = {} for param in params: entry = param.split('=') key = entry[0] if key in (ROOT, PARENT,...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def to_header_str(self): """ Convert to a tracing header string that can be injected to outgoing http request headers. """
h_parts = [] if self.root: h_parts.append(ROOT + '=' + self.root) if self.parent: h_parts.append(PARENT + '=' + self.parent) if self.sampled is not None: h_parts.append(SAMPLE + '=' + str(self.sampled)) if self.data: for key in sel...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def get_name(self, host_name): """ Returns the segment name based on the input host name. """
if wildcard_match(self._pattern, host_name): return host_name else: return self._fallback
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def set_daemon_address(self, address): """ Set up UDP ip and port from the raw daemon address string using ``DaemonConfig`` class utlities. """
if address: daemon_config = DaemonConfig(address) self._ip, self._port = daemon_config.udp_ip, daemon_config.udp_port
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def patch(): """ Patch aiobotocore client so it generates subsegments when calling AWS services. """
if hasattr(aiobotocore.client, '_xray_enabled'): return setattr(aiobotocore.client, '_xray_enabled', True) wrapt.wrap_function_wrapper( 'aiobotocore.client', 'AioBaseClient._make_api_call', _xray_traced_aiobotocore, ) wrapt.wrap_function_wrapper( 'aiobotoco...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def is_eligible(self, segment): """ A segment is eligible to have its children subsegments streamed if it is sampled and it breaches streaming threshold. """
if not segment or not segment.sampled: return False return segment.get_total_subsegments_size() > self.streaming_threshold
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def stream(self, entity, callback): """ Stream out all eligible children of the input entity. :param entity: The target entity to be streamed. :param callback: T...
with self._lock: self._stream(entity, callback)
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def parse_bind(bind): """Parses a connection string and creates SQL trace metadata"""
if isinstance(bind, Connection): engine = bind.engine else: engine = bind m = re.match(r"Engine\((.*?)\)", str(engine)) if m is not None: u = urlparse(m.group(1)) # Add Scheme to uses_netloc or // will be missing from url. uses_netloc.append(u.scheme) saf...
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def add_subsegment(self, subsegment): """ Add input subsegment as a child subsegment and increment reference counter and total subsegments counter of the parent ...
super(Subsegment, self).add_subsegment(subsegment) self.parent_segment.increment()
<SYSTEM_TASK:> Solve the following problem using Python, implementing the functions described below, one line at a time <END_TASK> <USER_TASK:> Description: def remove_subsegment(self, subsegment): """ Remove input subsegment from child subsegemnts and decrement parent segment total subsegments count. :param Subsegme...
super(Subsegment, self).remove_subsegment(subsegment) self.parent_segment.decrement_subsegments_size()