id int32 0 252k | repo stringlengths 7 55 | path stringlengths 4 127 | func_name stringlengths 1 88 | original_string stringlengths 75 19.8k | language stringclasses 1
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234,300 | hyperledger/indy-plenum | plenum/server/node.py | Node.processOrdered | def processOrdered(self, ordered: Ordered):
"""
Execute ordered request
:param ordered: an ordered request
:return: whether executed
"""
if ordered.instId not in self.instances.ids:
logger.warning('{} got ordered request for instance {} which '
... | python | def processOrdered(self, ordered: Ordered):
"""
Execute ordered request
:param ordered: an ordered request
:return: whether executed
"""
if ordered.instId not in self.instances.ids:
logger.warning('{} got ordered request for instance {} which '
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234,301 | hyperledger/indy-plenum | plenum/server/node.py | Node.force_process_ordered | def force_process_ordered(self):
"""
Take any messages from replica that have been ordered and process
them, this should be done rarely, like before catchup starts
so a more current LedgerStatus can be sent.
can be called either
1. when node is participating, this happens... | python | def force_process_ordered(self):
"""
Take any messages from replica that have been ordered and process
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234,302 | hyperledger/indy-plenum | plenum/server/node.py | Node.processEscalatedException | def processEscalatedException(self, ex):
"""
Process an exception escalated from a Replica
"""
if isinstance(ex, SuspiciousNode):
self.reportSuspiciousNodeEx(ex)
else:
raise RuntimeError("unhandled replica-escalated exception") from ex | python | def processEscalatedException(self, ex):
"""
Process an exception escalated from a Replica
"""
if isinstance(ex, SuspiciousNode):
self.reportSuspiciousNodeEx(ex)
else:
raise RuntimeError("unhandled replica-escalated exception") from ex | [
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234,303 | hyperledger/indy-plenum | plenum/server/node.py | Node.lost_master_primary | def lost_master_primary(self):
"""
Schedule an primary connection check which in turn can send a view
change message
"""
self.primaries_disconnection_times[self.master_replica.instId] = time.perf_counter()
self._schedule_view_change() | python | def lost_master_primary(self):
"""
Schedule an primary connection check which in turn can send a view
change message
"""
self.primaries_disconnection_times[self.master_replica.instId] = time.perf_counter()
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234,304 | hyperledger/indy-plenum | plenum/server/node.py | Node.executeBatch | def executeBatch(self, three_pc_batch: ThreePcBatch,
valid_reqs_keys: List, invalid_reqs_keys: List,
audit_txn_root) -> None:
"""
Execute the REQUEST sent to this Node
:param view_no: the view number (See glossary)
:param pp_time: the time at wh... | python | def executeBatch(self, three_pc_batch: ThreePcBatch,
valid_reqs_keys: List, invalid_reqs_keys: List,
audit_txn_root) -> None:
"""
Execute the REQUEST sent to this Node
:param view_no: the view number (See glossary)
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234,305 | hyperledger/indy-plenum | plenum/server/node.py | Node.addNewRole | def addNewRole(self, txn):
"""
Adds a new client or steward to this node based on transaction type.
"""
# If the client authenticator is a simple authenticator then add verkey.
# For a custom authenticator, handle appropriately.
# NOTE: The following code should not be u... | python | def addNewRole(self, txn):
"""
Adds a new client or steward to this node based on transaction type.
"""
# If the client authenticator is a simple authenticator then add verkey.
# For a custom authenticator, handle appropriately.
# NOTE: The following code should not be u... | [
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234,306 | hyperledger/indy-plenum | plenum/server/node.py | Node.ensureKeysAreSetup | def ensureKeysAreSetup(self):
"""
Check whether the keys are setup in the local STP keep.
Raises KeysNotFoundException if not found.
"""
if not areKeysSetup(self.name, self.keys_dir):
raise REx(REx.reason.format(self.name) + self.keygenScript) | python | def ensureKeysAreSetup(self):
"""
Check whether the keys are setup in the local STP keep.
Raises KeysNotFoundException if not found.
"""
if not areKeysSetup(self.name, self.keys_dir):
raise REx(REx.reason.format(self.name) + self.keygenScript) | [
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234,307 | hyperledger/indy-plenum | plenum/server/node.py | Node.reportSuspiciousNodeEx | def reportSuspiciousNodeEx(self, ex: SuspiciousNode):
"""
Report suspicion on a node on the basis of an exception
"""
self.reportSuspiciousNode(ex.node, ex.reason, ex.code, ex.offendingMsg) | python | def reportSuspiciousNodeEx(self, ex: SuspiciousNode):
"""
Report suspicion on a node on the basis of an exception
"""
self.reportSuspiciousNode(ex.node, ex.reason, ex.code, ex.offendingMsg) | [
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234,308 | hyperledger/indy-plenum | plenum/server/node.py | Node.reportSuspiciousNode | def reportSuspiciousNode(self,
nodeName: str,
reason=None,
code: int = None,
offendingMsg=None):
"""
Report suspicion on a node and add it to this node's blacklist.
:param nodeNam... | python | def reportSuspiciousNode(self,
nodeName: str,
reason=None,
code: int = None,
offendingMsg=None):
"""
Report suspicion on a node and add it to this node's blacklist.
:param nodeNam... | [
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234,309 | hyperledger/indy-plenum | plenum/server/node.py | Node.reportSuspiciousClient | def reportSuspiciousClient(self, clientName: str, reason):
"""
Report suspicion on a client and add it to this node's blacklist.
:param clientName: name of the client to report suspicion on
:param reason: the reason for suspicion
"""
logger.warning("{} raised suspicion o... | python | def reportSuspiciousClient(self, clientName: str, reason):
"""
Report suspicion on a client and add it to this node's blacklist.
:param clientName: name of the client to report suspicion on
:param reason: the reason for suspicion
"""
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234,310 | hyperledger/indy-plenum | plenum/server/node.py | Node.blacklistClient | def blacklistClient(self, clientName: str,
reason: str = None, code: int = None):
"""
Add the client specified by `clientName` to this node's blacklist
"""
msg = "{} blacklisting client {}".format(self, clientName)
if reason:
msg += " for reaso... | python | def blacklistClient(self, clientName: str,
reason: str = None, code: int = None):
"""
Add the client specified by `clientName` to this node's blacklist
"""
msg = "{} blacklisting client {}".format(self, clientName)
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234,311 | hyperledger/indy-plenum | plenum/server/node.py | Node.blacklistNode | def blacklistNode(self, nodeName: str, reason: str = None, code: int = None):
"""
Add the node specified by `nodeName` to this node's blacklist
"""
msg = "{} blacklisting node {}".format(self, nodeName)
if reason:
msg += " for reason {}".format(reason)
if code... | python | def blacklistNode(self, nodeName: str, reason: str = None, code: int = None):
"""
Add the node specified by `nodeName` to this node's blacklist
"""
msg = "{} blacklisting node {}".format(self, nodeName)
if reason:
msg += " for reason {}".format(reason)
if code... | [
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234,312 | hyperledger/indy-plenum | plenum/server/node.py | Node.logstats | def logstats(self):
"""
Print the node's current statistics to log.
"""
lines = [
"node {} current stats".format(self),
"--------------------------------------------------------",
"node inbox size : {}".format(len(self.nodeInBox)),
... | python | def logstats(self):
"""
Print the node's current statistics to log.
"""
lines = [
"node {} current stats".format(self),
"--------------------------------------------------------",
"node inbox size : {}".format(len(self.nodeInBox)),
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234,313 | hyperledger/indy-plenum | plenum/server/node.py | Node.logNodeInfo | def logNodeInfo(self):
"""
Print the node's info to log for the REST backend to read.
"""
self.nodeInfo['data'] = self.collectNodeInfo()
with closing(open(os.path.join(self.ledger_dir, 'node_info'), 'w')) \
as logNodeInfoFile:
logNodeInfoFile.write(js... | python | def logNodeInfo(self):
"""
Print the node's info to log for the REST backend to read.
"""
self.nodeInfo['data'] = self.collectNodeInfo()
with closing(open(os.path.join(self.ledger_dir, 'node_info'), 'w')) \
as logNodeInfoFile:
logNodeInfoFile.write(js... | [
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234,314 | hyperledger/indy-plenum | plenum/common/perf_util.py | get_collection_sizes | def get_collection_sizes(obj, collections: Optional[Tuple]=None,
get_only_non_empty=False):
"""
Iterates over `collections` of the gives object and gives its byte size
and number of items in collection
"""
from pympler import asizeof
collections = collections or (list, d... | python | def get_collection_sizes(obj, collections: Optional[Tuple]=None,
get_only_non_empty=False):
"""
Iterates over `collections` of the gives object and gives its byte size
and number of items in collection
"""
from pympler import asizeof
collections = collections or (list, d... | [
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234,315 | hyperledger/indy-plenum | ledger/error.py | returns_true_or_raises | def returns_true_or_raises(f):
"""A safety net.
Decorator for functions that are only allowed to return True or raise
an exception.
Args:
f: A function whose only expected return value is True.
Returns:
A wrapped functions whose guaranteed only return value is True.
"""
@f... | python | def returns_true_or_raises(f):
"""A safety net.
Decorator for functions that are only allowed to return True or raise
an exception.
Args:
f: A function whose only expected return value is True.
Returns:
A wrapped functions whose guaranteed only return value is True.
"""
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234,316 | hyperledger/indy-plenum | plenum/server/instances.py | Instances.backupIds | def backupIds(self) -> Sequence[int]:
"""
Return the list of replicas that don't belong to the master protocol
instance
"""
return [id for id in self.started.keys() if id != 0] | python | def backupIds(self) -> Sequence[int]:
"""
Return the list of replicas that don't belong to the master protocol
instance
"""
return [id for id in self.started.keys() if id != 0] | [
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234,317 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger._hasViewChangeQuorum | def _hasViewChangeQuorum(self):
# This method should just be present for master instance.
"""
Checks whether n-f nodes completed view change and whether one
of them is the next primary
"""
num_of_ready_nodes = len(self._view_change_done)
diff = self.quorum - num_o... | python | def _hasViewChangeQuorum(self):
# This method should just be present for master instance.
"""
Checks whether n-f nodes completed view change and whether one
of them is the next primary
"""
num_of_ready_nodes = len(self._view_change_done)
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234,318 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger.process_instance_change_msg | def process_instance_change_msg(self, instChg: InstanceChange, frm: str) -> None:
"""
Validate and process an instance change request.
:param instChg: the instance change request
:param frm: the name of the node that sent this `msg`
"""
if frm not in self.provider.connec... | python | def process_instance_change_msg(self, instChg: InstanceChange, frm: str) -> None:
"""
Validate and process an instance change request.
:param instChg: the instance change request
:param frm: the name of the node that sent this `msg`
"""
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234,319 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger.process_vchd_msg | def process_vchd_msg(self, msg: ViewChangeDone, sender: str) -> bool:
"""
Processes ViewChangeDone messages. Once n-f messages have been
received, decides on a primary for specific replica.
:param msg: ViewChangeDone message
:param sender: the name of the node from which this me... | python | def process_vchd_msg(self, msg: ViewChangeDone, sender: str) -> bool:
"""
Processes ViewChangeDone messages. Once n-f messages have been
received, decides on a primary for specific replica.
:param msg: ViewChangeDone message
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234,320 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger.sendInstanceChange | def sendInstanceChange(self, view_no: int,
suspicion=Suspicions.PRIMARY_DEGRADED):
"""
Broadcast an instance change request to all the remaining nodes
:param view_no: the view number when the instance change is requested
"""
# If not found any sent in... | python | def sendInstanceChange(self, view_no: int,
suspicion=Suspicions.PRIMARY_DEGRADED):
"""
Broadcast an instance change request to all the remaining nodes
:param view_no: the view number when the instance change is requested
"""
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234,321 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger._canViewChange | def _canViewChange(self, proposedViewNo: int) -> (bool, str):
"""
Return whether there's quorum for view change for the proposed view
number and its view is less than or equal to the proposed view
"""
msg = None
quorum = self.quorums.view_change.value
if not self.... | python | def _canViewChange(self, proposedViewNo: int) -> (bool, str):
"""
Return whether there's quorum for view change for the proposed view
number and its view is less than or equal to the proposed view
"""
msg = None
quorum = self.quorums.view_change.value
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234,322 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger.start_view_change | def start_view_change(self, proposed_view_no: int, continue_vc=False):
"""
Trigger the view change process.
:param proposed_view_no: the new view number after view change.
"""
# TODO: consider moving this to pool manager
# TODO: view change is a special case, which can h... | python | def start_view_change(self, proposed_view_no: int, continue_vc=False):
"""
Trigger the view change process.
:param proposed_view_no: the new view number after view change.
"""
# TODO: consider moving this to pool manager
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234,323 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger._verify_primary | def _verify_primary(self, new_primary, ledger_info):
"""
This method is called when sufficient number of ViewChangeDone
received and makes steps to switch to the new primary
"""
expected_primary = self.provider.next_primary_name()
if new_primary != expected_primary:
... | python | def _verify_primary(self, new_primary, ledger_info):
"""
This method is called when sufficient number of ViewChangeDone
received and makes steps to switch to the new primary
"""
expected_primary = self.provider.next_primary_name()
if new_primary != expected_primary:
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234,324 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger._send_view_change_done_message | def _send_view_change_done_message(self):
"""
Sends ViewChangeDone message to other protocol participants
"""
new_primary_name = self.provider.next_primary_name()
ledger_summary = self.provider.ledger_summary()
message = ViewChangeDone(self.view_no,
... | python | def _send_view_change_done_message(self):
"""
Sends ViewChangeDone message to other protocol participants
"""
new_primary_name = self.provider.next_primary_name()
ledger_summary = self.provider.ledger_summary()
message = ViewChangeDone(self.view_no,
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234,325 | hyperledger/indy-plenum | plenum/server/view_change/view_changer.py | ViewChanger.get_msgs_for_lagged_nodes | def get_msgs_for_lagged_nodes(self) -> List[ViewChangeDone]:
# Should not return a list, only done for compatibility with interface
"""
Returns the last accepted `ViewChangeDone` message.
If no view change has happened returns ViewChangeDone
with view no 0 to a newly joined node
... | python | def get_msgs_for_lagged_nodes(self) -> List[ViewChangeDone]:
# Should not return a list, only done for compatibility with interface
"""
Returns the last accepted `ViewChangeDone` message.
If no view change has happened returns ViewChangeDone
with view no 0 to a newly joined node
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234,326 | hyperledger/indy-plenum | plenum/common/messages/fields.py | FieldBase.validate | def validate(self, val):
"""
Performs basic validation of field value and then passes it for
specific validation.
:param val: field value to validate
:return: error message or None
"""
if self.nullable and val is None:
return
type_er = self._... | python | def validate(self, val):
"""
Performs basic validation of field value and then passes it for
specific validation.
:param val: field value to validate
:return: error message or None
"""
if self.nullable and val is None:
return
type_er = self._... | [
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234,327 | hyperledger/indy-plenum | plenum/common/signer_did.py | DidSigner.sign | def sign(self, msg: Dict) -> Dict:
"""
Return a signature for the given message.
"""
ser = serialize_msg_for_signing(msg, topLevelKeysToIgnore=[f.SIG.nm])
bsig = self.naclSigner.signature(ser)
sig = base58.b58encode(bsig).decode("utf-8")
return sig | python | def sign(self, msg: Dict) -> Dict:
"""
Return a signature for the given message.
"""
ser = serialize_msg_for_signing(msg, topLevelKeysToIgnore=[f.SIG.nm])
bsig = self.naclSigner.signature(ser)
sig = base58.b58encode(bsig).decode("utf-8")
return sig | [
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234,328 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.lastPrePrepareSeqNo | def lastPrePrepareSeqNo(self, n):
"""
This will _lastPrePrepareSeqNo to values greater than its previous
values else it will not. To forcefully override as in case of `revert`,
directly set `self._lastPrePrepareSeqNo`
"""
if n > self._lastPrePrepareSeqNo:
self... | python | def lastPrePrepareSeqNo(self, n):
"""
This will _lastPrePrepareSeqNo to values greater than its previous
values else it will not. To forcefully override as in case of `revert`,
directly set `self._lastPrePrepareSeqNo`
"""
if n > self._lastPrePrepareSeqNo:
self... | [
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234,329 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.primaryName | def primaryName(self, value: Optional[str]) -> None:
"""
Set the value of isPrimary.
:param value: the value to set isPrimary to
"""
if value is not None:
self.warned_no_primary = False
self.primaryNames[self.viewNo] = value
self.compact_primary_names... | python | def primaryName(self, value: Optional[str]) -> None:
"""
Set the value of isPrimary.
:param value: the value to set isPrimary to
"""
if value is not None:
self.warned_no_primary = False
self.primaryNames[self.viewNo] = value
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234,330 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.get_lowest_probable_prepared_certificate_in_view | def get_lowest_probable_prepared_certificate_in_view(
self, view_no) -> Optional[int]:
"""
Return lowest pp_seq_no of the view for which can be prepared but
choose from unprocessed PRE-PREPAREs and PREPAREs.
"""
# TODO: Naive implementation, dont need to iterate over ... | python | def get_lowest_probable_prepared_certificate_in_view(
self, view_no) -> Optional[int]:
"""
Return lowest pp_seq_no of the view for which can be prepared but
choose from unprocessed PRE-PREPAREs and PREPAREs.
"""
# TODO: Naive implementation, dont need to iterate over ... | [
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234,331 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.is_primary_in_view | def is_primary_in_view(self, viewNo: int) -> Optional[bool]:
"""
Return whether this replica was primary in the given view
"""
if viewNo not in self.primaryNames:
return False
return self.primaryNames[viewNo] == self.name | python | def is_primary_in_view(self, viewNo: int) -> Optional[bool]:
"""
Return whether this replica was primary in the given view
"""
if viewNo not in self.primaryNames:
return False
return self.primaryNames[viewNo] == self.name | [
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234,332 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.processReqDuringBatch | def processReqDuringBatch(
self,
req: Request,
cons_time: int):
"""
This method will do dynamic validation and apply requests.
If there is any errors during validation it would be raised
"""
if self.isMaster:
self.node.doDynamicVali... | python | def processReqDuringBatch(
self,
req: Request,
cons_time: int):
"""
This method will do dynamic validation and apply requests.
If there is any errors during validation it would be raised
"""
if self.isMaster:
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234,333 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.serviceQueues | def serviceQueues(self, limit=None):
"""
Process `limit` number of messages in the inBox.
:param limit: the maximum number of messages to process
:return: the number of messages successfully processed
"""
# TODO should handle SuspiciousNode here
r = self.dequeue_... | python | def serviceQueues(self, limit=None):
"""
Process `limit` number of messages in the inBox.
:param limit: the maximum number of messages to process
:return: the number of messages successfully processed
"""
# TODO should handle SuspiciousNode here
r = self.dequeue_... | [
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234,334 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.tryPrepare | def tryPrepare(self, pp: PrePrepare):
"""
Try to send the Prepare message if the PrePrepare message is ready to
be passed into the Prepare phase.
"""
rv, msg = self.canPrepare(pp)
if rv:
self.doPrepare(pp)
else:
self.logger.debug("{} cannot... | python | def tryPrepare(self, pp: PrePrepare):
"""
Try to send the Prepare message if the PrePrepare message is ready to
be passed into the Prepare phase.
"""
rv, msg = self.canPrepare(pp)
if rv:
self.doPrepare(pp)
else:
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234,335 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.processPrepare | def processPrepare(self, prepare: Prepare, sender: str) -> None:
"""
Validate and process the PREPARE specified.
If validation is successful, create a COMMIT and broadcast it.
:param prepare: a PREPARE msg
:param sender: name of the node that sent the PREPARE
"""
... | python | def processPrepare(self, prepare: Prepare, sender: str) -> None:
"""
Validate and process the PREPARE specified.
If validation is successful, create a COMMIT and broadcast it.
:param prepare: a PREPARE msg
:param sender: name of the node that sent the PREPARE
"""
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234,336 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.processCommit | def processCommit(self, commit: Commit, sender: str) -> None:
"""
Validate and process the COMMIT specified.
If validation is successful, return the message to the node.
:param commit: an incoming COMMIT message
:param sender: name of the node that sent the COMMIT
"""
... | python | def processCommit(self, commit: Commit, sender: str) -> None:
"""
Validate and process the COMMIT specified.
If validation is successful, return the message to the node.
:param commit: an incoming COMMIT message
:param sender: name of the node that sent the COMMIT
"""
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234,337 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.tryCommit | def tryCommit(self, prepare: Prepare):
"""
Try to commit if the Prepare message is ready to be passed into the
commit phase.
"""
rv, reason = self.canCommit(prepare)
if rv:
self.doCommit(prepare)
else:
self.logger.debug("{} cannot send COMM... | python | def tryCommit(self, prepare: Prepare):
"""
Try to commit if the Prepare message is ready to be passed into the
commit phase.
"""
rv, reason = self.canCommit(prepare)
if rv:
self.doCommit(prepare)
else:
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234,338 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.tryOrder | def tryOrder(self, commit: Commit):
"""
Try to order if the Commit message is ready to be ordered.
"""
canOrder, reason = self.canOrder(commit)
if canOrder:
self.logger.trace("{} returning request to node".format(self))
self.doOrder(commit)
else:
... | python | def tryOrder(self, commit: Commit):
"""
Try to order if the Commit message is ready to be ordered.
"""
canOrder, reason = self.canOrder(commit)
if canOrder:
self.logger.trace("{} returning request to node".format(self))
self.doOrder(commit)
else:
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234,339 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.nonFinalisedReqs | def nonFinalisedReqs(self, reqKeys: List[Tuple[str, int]]):
"""
Check if there are any requests which are not finalised, i.e for
which there are not enough PROPAGATEs
"""
return {key for key in reqKeys if not self.requests.is_finalised(key)} | python | def nonFinalisedReqs(self, reqKeys: List[Tuple[str, int]]):
"""
Check if there are any requests which are not finalised, i.e for
which there are not enough PROPAGATEs
"""
return {key for key in reqKeys if not self.requests.is_finalised(key)} | [
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234,340 | hyperledger/indy-plenum | plenum/server/replica.py | Replica._can_process_pre_prepare | def _can_process_pre_prepare(self, pre_prepare: PrePrepare, sender: str) -> Optional[int]:
"""
Decide whether this replica is eligible to process a PRE-PREPARE.
:param pre_prepare: a PRE-PREPARE msg to process
:param sender: the name of the node that sent the PRE-PREPARE msg
"""... | python | def _can_process_pre_prepare(self, pre_prepare: PrePrepare, sender: str) -> Optional[int]:
"""
Decide whether this replica is eligible to process a PRE-PREPARE.
:param pre_prepare: a PRE-PREPARE msg to process
:param sender: the name of the node that sent the PRE-PREPARE msg
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234,341 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.addToPrePrepares | def addToPrePrepares(self, pp: PrePrepare) -> None:
"""
Add the specified PRE-PREPARE to this replica's list of received
PRE-PREPAREs and try sending PREPARE
:param pp: the PRE-PREPARE to add to the list
"""
key = (pp.viewNo, pp.ppSeqNo)
self.prePrepares[key] = p... | python | def addToPrePrepares(self, pp: PrePrepare) -> None:
"""
Add the specified PRE-PREPARE to this replica's list of received
PRE-PREPAREs and try sending PREPARE
:param pp: the PRE-PREPARE to add to the list
"""
key = (pp.viewNo, pp.ppSeqNo)
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234,342 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.canPrepare | def canPrepare(self, ppReq) -> (bool, str):
"""
Return whether the batch of requests in the PRE-PREPARE can
proceed to the PREPARE step.
:param ppReq: any object with identifier and requestId attributes
"""
if self.has_sent_prepare(ppReq):
return False, 'has ... | python | def canPrepare(self, ppReq) -> (bool, str):
"""
Return whether the batch of requests in the PRE-PREPARE can
proceed to the PREPARE step.
:param ppReq: any object with identifier and requestId attributes
"""
if self.has_sent_prepare(ppReq):
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234,343 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.validatePrepare | def validatePrepare(self, prepare: Prepare, sender: str) -> bool:
"""
Return whether the PREPARE specified is valid.
:param prepare: the PREPARE to validate
:param sender: the name of the node that sent the PREPARE
:return: True if PREPARE is valid, False otherwise
"""
... | python | def validatePrepare(self, prepare: Prepare, sender: str) -> bool:
"""
Return whether the PREPARE specified is valid.
:param prepare: the PREPARE to validate
:param sender: the name of the node that sent the PREPARE
:return: True if PREPARE is valid, False otherwise
"""
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234,344 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.addToPrepares | def addToPrepares(self, prepare: Prepare, sender: str):
"""
Add the specified PREPARE to this replica's list of received
PREPAREs and try sending COMMIT
:param prepare: the PREPARE to add to the list
"""
# BLS multi-sig:
self._bls_bft_replica.process_prepare(prep... | python | def addToPrepares(self, prepare: Prepare, sender: str):
"""
Add the specified PREPARE to this replica's list of received
PREPAREs and try sending COMMIT
:param prepare: the PREPARE to add to the list
"""
# BLS multi-sig:
self._bls_bft_replica.process_prepare(prep... | [
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234,345 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.canCommit | def canCommit(self, prepare: Prepare) -> (bool, str):
"""
Return whether the specified PREPARE can proceed to the Commit
step.
Decision criteria:
- If this replica has got just n-f-1 PREPARE requests then commit request.
- If less than n-f-1 PREPARE requests then probab... | python | def canCommit(self, prepare: Prepare) -> (bool, str):
"""
Return whether the specified PREPARE can proceed to the Commit
step.
Decision criteria:
- If this replica has got just n-f-1 PREPARE requests then commit request.
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234,346 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.validateCommit | def validateCommit(self, commit: Commit, sender: str) -> bool:
"""
Return whether the COMMIT specified is valid.
:param commit: the COMMIT to validate
:return: True if `request` is valid, False otherwise
"""
key = (commit.viewNo, commit.ppSeqNo)
if not self.has_p... | python | def validateCommit(self, commit: Commit, sender: str) -> bool:
"""
Return whether the COMMIT specified is valid.
:param commit: the COMMIT to validate
:return: True if `request` is valid, False otherwise
"""
key = (commit.viewNo, commit.ppSeqNo)
if not self.has_p... | [
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234,347 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.addToCommits | def addToCommits(self, commit: Commit, sender: str):
"""
Add the specified COMMIT to this replica's list of received
commit requests.
:param commit: the COMMIT to add to the list
:param sender: the name of the node that sent the COMMIT
"""
# BLS multi-sig:
... | python | def addToCommits(self, commit: Commit, sender: str):
"""
Add the specified COMMIT to this replica's list of received
commit requests.
:param commit: the COMMIT to add to the list
:param sender: the name of the node that sent the COMMIT
"""
# BLS multi-sig:
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234,348 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.canOrder | def canOrder(self, commit: Commit) -> Tuple[bool, Optional[str]]:
"""
Return whether the specified commitRequest can be returned to the node.
Decision criteria:
- If have got just n-f Commit requests then return request to node
- If less than n-f of commit requests then probabl... | python | def canOrder(self, commit: Commit) -> Tuple[bool, Optional[str]]:
"""
Return whether the specified commitRequest can be returned to the node.
Decision criteria:
- If have got just n-f Commit requests then return request to node
- If less than n-f of commit requests then probabl... | [
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Decision criteria:
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- If less than n-f of commit requests then probably don't have
consensus on the request; don't return request to node
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234,349 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.all_prev_ordered | def all_prev_ordered(self, commit: Commit):
"""
Return True if all previous COMMITs have been ordered
"""
# TODO: This method does a lot of work, choose correct data
# structures to make it efficient.
viewNo, ppSeqNo = commit.viewNo, commit.ppSeqNo
if self.last_... | python | def all_prev_ordered(self, commit: Commit):
"""
Return True if all previous COMMITs have been ordered
"""
# TODO: This method does a lot of work, choose correct data
# structures to make it efficient.
viewNo, ppSeqNo = commit.viewNo, commit.ppSeqNo
if self.last_... | [
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234,350 | hyperledger/indy-plenum | plenum/server/replica.py | Replica.process_checkpoint | def process_checkpoint(self, msg: Checkpoint, sender: str) -> bool:
"""
Process checkpoint messages
:return: whether processed (True) or stashed (False)
"""
self.logger.info('{} processing checkpoint {} from {}'.format(self, msg, sender))
result, reason = self.validator.... | python | def process_checkpoint(self, msg: Checkpoint, sender: str) -> bool:
"""
Process checkpoint messages
:return: whether processed (True) or stashed (False)
"""
self.logger.info('{} processing checkpoint {} from {}'.format(self, msg, sender))
result, reason = self.validator.... | [
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234,351 | hyperledger/indy-plenum | plenum/server/replica.py | Replica._process_stashed_pre_prepare_for_time_if_possible | def _process_stashed_pre_prepare_for_time_if_possible(
self, key: Tuple[int, int]):
"""
Check if any PRE-PREPAREs that were stashed since their time was not
acceptable, can now be accepted since enough PREPAREs are received
"""
self.logger.debug('{} going to process s... | python | def _process_stashed_pre_prepare_for_time_if_possible(
self, key: Tuple[int, int]):
"""
Check if any PRE-PREPAREs that were stashed since their time was not
acceptable, can now be accepted since enough PREPAREs are received
"""
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234,352 | hyperledger/indy-plenum | plenum/server/replica.py | Replica._remove_till_caught_up_3pc | def _remove_till_caught_up_3pc(self, last_caught_up_3PC):
"""
Remove any 3 phase messages till the last ordered key and also remove
any corresponding request keys
"""
outdated_pre_prepares = {}
for key, pp in self.prePrepares.items():
if compare_3PC_keys(key, ... | python | def _remove_till_caught_up_3pc(self, last_caught_up_3PC):
"""
Remove any 3 phase messages till the last ordered key and also remove
any corresponding request keys
"""
outdated_pre_prepares = {}
for key, pp in self.prePrepares.items():
if compare_3PC_keys(key, ... | [
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234,353 | hyperledger/indy-plenum | plenum/server/replica.py | Replica._remove_ordered_from_queue | def _remove_ordered_from_queue(self, last_caught_up_3PC=None):
"""
Remove any Ordered that the replica might be sending to node which is
less than or equal to `last_caught_up_3PC` if `last_caught_up_3PC` is
passed else remove all ordered, needed in catchup
"""
to_remove =... | python | def _remove_ordered_from_queue(self, last_caught_up_3PC=None):
"""
Remove any Ordered that the replica might be sending to node which is
less than or equal to `last_caught_up_3PC` if `last_caught_up_3PC` is
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234,354 | hyperledger/indy-plenum | plenum/server/replica.py | Replica._remove_stashed_checkpoints | def _remove_stashed_checkpoints(self, till_3pc_key=None):
"""
Remove stashed received checkpoints up to `till_3pc_key` if provided,
otherwise remove all stashed received checkpoints
"""
if till_3pc_key is None:
self.stashedRecvdCheckpoints.clear()
self.log... | python | def _remove_stashed_checkpoints(self, till_3pc_key=None):
"""
Remove stashed received checkpoints up to `till_3pc_key` if provided,
otherwise remove all stashed received checkpoints
"""
if till_3pc_key is None:
self.stashedRecvdCheckpoints.clear()
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234,355 | hyperledger/indy-plenum | stp_core/network/util.py | checkPortAvailable | def checkPortAvailable(ha):
"""Checks whether the given port is available"""
# Not sure why OS would allow binding to one type and not other.
# Checking for port available for TCP and UDP.
sockTypes = (socket.SOCK_DGRAM, socket.SOCK_STREAM)
for typ in sockTypes:
sock = socket.socket(socket.A... | python | def checkPortAvailable(ha):
"""Checks whether the given port is available"""
# Not sure why OS would allow binding to one type and not other.
# Checking for port available for TCP and UDP.
sockTypes = (socket.SOCK_DGRAM, socket.SOCK_STREAM)
for typ in sockTypes:
sock = socket.socket(socket.A... | [
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234,356 | hyperledger/indy-plenum | stp_core/network/util.py | evenCompare | def evenCompare(a: str, b: str) -> bool:
"""
A deterministic but more evenly distributed comparator than simple alphabetical.
Useful when comparing consecutive strings and an even distribution is needed.
Provides an even chance of returning true as often as false
"""
ab = a.encode('utf-8')
b... | python | def evenCompare(a: str, b: str) -> bool:
"""
A deterministic but more evenly distributed comparator than simple alphabetical.
Useful when comparing consecutive strings and an even distribution is needed.
Provides an even chance of returning true as often as false
"""
ab = a.encode('utf-8')
b... | [
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234,357 | kylejusticemagnuson/pyti | pyti/keltner_bands.py | center_band | def center_band(close_data, high_data, low_data, period):
"""
Center Band.
Formula:
CB = SMA(TP)
"""
tp = typical_price(close_data, high_data, low_data)
cb = sma(tp, period)
return cb | python | def center_band(close_data, high_data, low_data, period):
"""
Center Band.
Formula:
CB = SMA(TP)
"""
tp = typical_price(close_data, high_data, low_data)
cb = sma(tp, period)
return cb | [
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234,358 | kylejusticemagnuson/pyti | pyti/simple_moving_average.py | simple_moving_average | def simple_moving_average(data, period):
"""
Simple Moving Average.
Formula:
SUM(data / N)
"""
catch_errors.check_for_period_error(data, period)
# Mean of Empty Slice RuntimeWarning doesn't affect output so it is
# supressed
with warnings.catch_warnings():
warnings.simplefil... | python | def simple_moving_average(data, period):
"""
Simple Moving Average.
Formula:
SUM(data / N)
"""
catch_errors.check_for_period_error(data, period)
# Mean of Empty Slice RuntimeWarning doesn't affect output so it is
# supressed
with warnings.catch_warnings():
warnings.simplefil... | [
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] | 2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2 | https://github.com/kylejusticemagnuson/pyti/blob/2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2/pyti/simple_moving_average.py#L9-L23 |
234,359 | kylejusticemagnuson/pyti | pyti/average_true_range_percent.py | average_true_range_percent | def average_true_range_percent(close_data, period):
"""
Average True Range Percent.
Formula:
ATRP = (ATR / CLOSE) * 100
"""
catch_errors.check_for_period_error(close_data, period)
atrp = (atr(close_data, period) / np.array(close_data)) * 100
return atrp | python | def average_true_range_percent(close_data, period):
"""
Average True Range Percent.
Formula:
ATRP = (ATR / CLOSE) * 100
"""
catch_errors.check_for_period_error(close_data, period)
atrp = (atr(close_data, period) / np.array(close_data)) * 100
return atrp | [
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234,360 | kylejusticemagnuson/pyti | pyti/on_balance_volume.py | on_balance_volume | def on_balance_volume(close_data, volume):
"""
On Balance Volume.
Formula:
start = 1
if CLOSEt > CLOSEt-1
obv = obvt-1 + volumet
elif CLOSEt < CLOSEt-1
obv = obvt-1 - volumet
elif CLOSEt == CLOSTt-1
obv = obvt-1
"""
catch_errors.check_for_input_len_diff(close... | python | def on_balance_volume(close_data, volume):
"""
On Balance Volume.
Formula:
start = 1
if CLOSEt > CLOSEt-1
obv = obvt-1 + volumet
elif CLOSEt < CLOSEt-1
obv = obvt-1 - volumet
elif CLOSEt == CLOSTt-1
obv = obvt-1
"""
catch_errors.check_for_input_len_diff(close... | [
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Formula:
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obv = obvt-1 + volumet
elif CLOSEt < CLOSEt-1
obv = obvt-1 - volumet
elif CLOSEt == CLOSTt-1
obv = obvt-1 | [
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234,361 | kylejusticemagnuson/pyti | pyti/rate_of_change.py | rate_of_change | def rate_of_change(data, period):
"""
Rate of Change.
Formula:
(Close - Close n periods ago) / (Close n periods ago) * 100
"""
catch_errors.check_for_period_error(data, period)
rocs = [((data[idx] - data[idx - (period - 1)]) /
data[idx - (period - 1)]) * 100 for idx in range(perio... | python | def rate_of_change(data, period):
"""
Rate of Change.
Formula:
(Close - Close n periods ago) / (Close n periods ago) * 100
"""
catch_errors.check_for_period_error(data, period)
rocs = [((data[idx] - data[idx - (period - 1)]) /
data[idx - (period - 1)]) * 100 for idx in range(perio... | [
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Formula:
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234,362 | kylejusticemagnuson/pyti | pyti/average_true_range.py | average_true_range | def average_true_range(close_data, period):
"""
Average True Range.
Formula:
ATRt = ATRt-1 * (n - 1) + TRt / n
"""
tr = true_range(close_data, period)
atr = smoothed_moving_average(tr, period)
atr[0:period-1] = tr[0:period-1]
return atr | python | def average_true_range(close_data, period):
"""
Average True Range.
Formula:
ATRt = ATRt-1 * (n - 1) + TRt / n
"""
tr = true_range(close_data, period)
atr = smoothed_moving_average(tr, period)
atr[0:period-1] = tr[0:period-1]
return atr | [
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Formula:
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234,363 | kylejusticemagnuson/pyti | pyti/relative_strength_index.py | relative_strength_index | def relative_strength_index(data, period):
"""
Relative Strength Index.
Formula:
RSI = 100 - (100 / 1 + (prevGain/prevLoss))
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
changes = [data_tup[1] - data_tup[0] for data_tup in zip(data[::1], data[1::1])]
... | python | def relative_strength_index(data, period):
"""
Relative Strength Index.
Formula:
RSI = 100 - (100 / 1 + (prevGain/prevLoss))
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
changes = [data_tup[1] - data_tup[0] for data_tup in zip(data[::1], data[1::1])]
... | [
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Formula:
RSI = 100 - (100 / 1 + (prevGain/prevLoss)) | [
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] | 2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2 | https://github.com/kylejusticemagnuson/pyti/blob/2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2/pyti/relative_strength_index.py#L9-L51 |
234,364 | kylejusticemagnuson/pyti | pyti/vertical_horizontal_filter.py | vertical_horizontal_filter | def vertical_horizontal_filter(data, period):
"""
Vertical Horizontal Filter.
Formula:
ABS(pHIGH - pLOW) / SUM(ABS(Pi - Pi-1))
"""
catch_errors.check_for_period_error(data, period)
vhf = [abs(np.max(data[idx+1-period:idx+1]) -
np.min(data[idx+1-period:idx+1])) /
sum([ab... | python | def vertical_horizontal_filter(data, period):
"""
Vertical Horizontal Filter.
Formula:
ABS(pHIGH - pLOW) / SUM(ABS(Pi - Pi-1))
"""
catch_errors.check_for_period_error(data, period)
vhf = [abs(np.max(data[idx+1-period:idx+1]) -
np.min(data[idx+1-period:idx+1])) /
sum([ab... | [
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... | Vertical Horizontal Filter.
Formula:
ABS(pHIGH - pLOW) / SUM(ABS(Pi - Pi-1)) | [
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] | 2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2 | https://github.com/kylejusticemagnuson/pyti/blob/2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2/pyti/vertical_horizontal_filter.py#L8-L22 |
234,365 | kylejusticemagnuson/pyti | pyti/ultimate_oscillator.py | buying_pressure | def buying_pressure(close_data, low_data):
"""
Buying Pressure.
Formula:
BP = current close - min()
"""
catch_errors.check_for_input_len_diff(close_data, low_data)
bp = [close_data[idx] - np.min([low_data[idx], close_data[idx-1]]) for idx in range(1, len(close_data))]
bp = fill_for_nonc... | python | def buying_pressure(close_data, low_data):
"""
Buying Pressure.
Formula:
BP = current close - min()
"""
catch_errors.check_for_input_len_diff(close_data, low_data)
bp = [close_data[idx] - np.min([low_data[idx], close_data[idx-1]]) for idx in range(1, len(close_data))]
bp = fill_for_nonc... | [
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Formula:
BP = current close - min() | [
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234,366 | kylejusticemagnuson/pyti | pyti/ultimate_oscillator.py | ultimate_oscillator | def ultimate_oscillator(close_data, low_data):
"""
Ultimate Oscillator.
Formula:
UO = 100 * ((4 * AVG7) + (2 * AVG14) + AVG28) / (4 + 2 + 1)
"""
a7 = 4 * average_7(close_data, low_data)
a14 = 2 * average_14(close_data, low_data)
a28 = average_28(close_data, low_data)
uo = 100 * ((a7... | python | def ultimate_oscillator(close_data, low_data):
"""
Ultimate Oscillator.
Formula:
UO = 100 * ((4 * AVG7) + (2 * AVG14) + AVG28) / (4 + 2 + 1)
"""
a7 = 4 * average_7(close_data, low_data)
a14 = 2 * average_14(close_data, low_data)
a28 = average_28(close_data, low_data)
uo = 100 * ((a7... | [
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... | Ultimate Oscillator.
Formula:
UO = 100 * ((4 * AVG7) + (2 * AVG14) + AVG28) / (4 + 2 + 1) | [
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] | 2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2 | https://github.com/kylejusticemagnuson/pyti/blob/2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2/pyti/ultimate_oscillator.py#L62-L73 |
234,367 | kylejusticemagnuson/pyti | pyti/aroon.py | aroon_up | def aroon_up(data, period):
"""
Aroon Up.
Formula:
AROONUP = (((PERIOD) - (PERIODS since PERIOD high)) / (PERIOD)) * 100
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
a_up = [((period -
list(reversed(data[idx+1-period:idx+1])).index(np.max(data[... | python | def aroon_up(data, period):
"""
Aroon Up.
Formula:
AROONUP = (((PERIOD) - (PERIODS since PERIOD high)) / (PERIOD)) * 100
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
a_up = [((period -
list(reversed(data[idx+1-period:idx+1])).index(np.max(data[... | [
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... | Aroon Up.
Formula:
AROONUP = (((PERIOD) - (PERIODS since PERIOD high)) / (PERIOD)) * 100 | [
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] | 2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2 | https://github.com/kylejusticemagnuson/pyti/blob/2f78430dfd60a0d20f4e7fc0cb4588c03107c4b2/pyti/aroon.py#L8-L22 |
234,368 | kylejusticemagnuson/pyti | pyti/aroon.py | aroon_down | def aroon_down(data, period):
"""
Aroon Down.
Formula:
AROONDWN = (((PERIOD) - (PERIODS SINCE PERIOD LOW)) / (PERIOD)) * 100
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
a_down = [((period -
list(reversed(data[idx+1-period:idx+1])).index(np.min... | python | def aroon_down(data, period):
"""
Aroon Down.
Formula:
AROONDWN = (((PERIOD) - (PERIODS SINCE PERIOD LOW)) / (PERIOD)) * 100
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
a_down = [((period -
list(reversed(data[idx+1-period:idx+1])).index(np.min... | [
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Formula:
AROONDWN = (((PERIOD) - (PERIODS SINCE PERIOD LOW)) / (PERIOD)) * 100 | [
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234,369 | kylejusticemagnuson/pyti | pyti/price_channels.py | upper_price_channel | def upper_price_channel(data, period, upper_percent):
"""
Upper Price Channel.
Formula:
upc = EMA(t) * (1 + upper_percent / 100)
"""
catch_errors.check_for_period_error(data, period)
emas = ema(data, period)
upper_channel = [val * (1+float(upper_percent)/100) for val in emas]
retur... | python | def upper_price_channel(data, period, upper_percent):
"""
Upper Price Channel.
Formula:
upc = EMA(t) * (1 + upper_percent / 100)
"""
catch_errors.check_for_period_error(data, period)
emas = ema(data, period)
upper_channel = [val * (1+float(upper_percent)/100) for val in emas]
retur... | [
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Formula:
upc = EMA(t) * (1 + upper_percent / 100) | [
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234,370 | kylejusticemagnuson/pyti | pyti/price_channels.py | lower_price_channel | def lower_price_channel(data, period, lower_percent):
"""
Lower Price Channel.
Formula:
lpc = EMA(t) * (1 - lower_percent / 100)
"""
catch_errors.check_for_period_error(data, period)
emas = ema(data, period)
lower_channel = [val * (1-float(lower_percent)/100) for val in emas]
retur... | python | def lower_price_channel(data, period, lower_percent):
"""
Lower Price Channel.
Formula:
lpc = EMA(t) * (1 - lower_percent / 100)
"""
catch_errors.check_for_period_error(data, period)
emas = ema(data, period)
lower_channel = [val * (1-float(lower_percent)/100) for val in emas]
retur... | [
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Formula:
lpc = EMA(t) * (1 - lower_percent / 100) | [
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234,371 | kylejusticemagnuson/pyti | pyti/exponential_moving_average.py | exponential_moving_average | def exponential_moving_average(data, period):
"""
Exponential Moving Average.
Formula:
p0 + (1 - w) * p1 + (1 - w)^2 * p2 + (1 + w)^3 * p3 +...
/ 1 + (1 - w) + (1 - w)^2 + (1 - w)^3 +...
where: w = 2 / (N + 1)
"""
catch_errors.check_for_period_error(data, period)
emas... | python | def exponential_moving_average(data, period):
"""
Exponential Moving Average.
Formula:
p0 + (1 - w) * p1 + (1 - w)^2 * p2 + (1 + w)^3 * p3 +...
/ 1 + (1 - w) + (1 - w)^2 + (1 - w)^3 +...
where: w = 2 / (N + 1)
"""
catch_errors.check_for_period_error(data, period)
emas... | [
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Formula:
p0 + (1 - w) * p1 + (1 - w)^2 * p2 + (1 + w)^3 * p3 +...
/ 1 + (1 - w) + (1 - w)^2 + (1 - w)^3 +...
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234,372 | kylejusticemagnuson/pyti | pyti/commodity_channel_index.py | commodity_channel_index | def commodity_channel_index(close_data, high_data, low_data, period):
"""
Commodity Channel Index.
Formula:
CCI = (TP - SMA(TP)) / (0.015 * Mean Deviation)
"""
catch_errors.check_for_input_len_diff(close_data, high_data, low_data)
catch_errors.check_for_period_error(close_data, period)
... | python | def commodity_channel_index(close_data, high_data, low_data, period):
"""
Commodity Channel Index.
Formula:
CCI = (TP - SMA(TP)) / (0.015 * Mean Deviation)
"""
catch_errors.check_for_input_len_diff(close_data, high_data, low_data)
catch_errors.check_for_period_error(close_data, period)
... | [
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Formula:
CCI = (TP - SMA(TP)) / (0.015 * Mean Deviation) | [
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234,373 | kylejusticemagnuson/pyti | pyti/williams_percent_r.py | williams_percent_r | def williams_percent_r(close_data):
"""
Williams %R.
Formula:
wr = (HighestHigh - close / HighestHigh - LowestLow) * -100
"""
highest_high = np.max(close_data)
lowest_low = np.min(close_data)
wr = [((highest_high - close) / (highest_high - lowest_low)) * -100 for close in close_data]
... | python | def williams_percent_r(close_data):
"""
Williams %R.
Formula:
wr = (HighestHigh - close / HighestHigh - LowestLow) * -100
"""
highest_high = np.max(close_data)
lowest_low = np.min(close_data)
wr = [((highest_high - close) / (highest_high - lowest_low)) * -100 for close in close_data]
... | [
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234,374 | kylejusticemagnuson/pyti | pyti/moving_average_convergence_divergence.py | moving_average_convergence_divergence | def moving_average_convergence_divergence(data, short_period, long_period):
"""
Moving Average Convergence Divergence.
Formula:
EMA(DATA, P1) - EMA(DATA, P2)
"""
catch_errors.check_for_period_error(data, short_period)
catch_errors.check_for_period_error(data, long_period)
macd = ema(da... | python | def moving_average_convergence_divergence(data, short_period, long_period):
"""
Moving Average Convergence Divergence.
Formula:
EMA(DATA, P1) - EMA(DATA, P2)
"""
catch_errors.check_for_period_error(data, short_period)
catch_errors.check_for_period_error(data, long_period)
macd = ema(da... | [
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Formula:
EMA(DATA, P1) - EMA(DATA, P2) | [
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234,375 | kylejusticemagnuson/pyti | pyti/money_flow_index.py | money_flow_index | def money_flow_index(close_data, high_data, low_data, volume, period):
"""
Money Flow Index.
Formula:
MFI = 100 - (100 / (1 + PMF / NMF))
"""
catch_errors.check_for_input_len_diff(
close_data, high_data, low_data, volume
)
catch_errors.check_for_period_error(close_data, peri... | python | def money_flow_index(close_data, high_data, low_data, volume, period):
"""
Money Flow Index.
Formula:
MFI = 100 - (100 / (1 + PMF / NMF))
"""
catch_errors.check_for_input_len_diff(
close_data, high_data, low_data, volume
)
catch_errors.check_for_period_error(close_data, peri... | [
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Formula:
MFI = 100 - (100 / (1 + PMF / NMF)) | [
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234,376 | kylejusticemagnuson/pyti | pyti/typical_price.py | typical_price | def typical_price(close_data, high_data, low_data):
"""
Typical Price.
Formula:
TPt = (HIGHt + LOWt + CLOSEt) / 3
"""
catch_errors.check_for_input_len_diff(close_data, high_data, low_data)
tp = [(high_data[idx] + low_data[idx] + close_data[idx]) / 3 for idx in range(0, len(close_data))]
... | python | def typical_price(close_data, high_data, low_data):
"""
Typical Price.
Formula:
TPt = (HIGHt + LOWt + CLOSEt) / 3
"""
catch_errors.check_for_input_len_diff(close_data, high_data, low_data)
tp = [(high_data[idx] + low_data[idx] + close_data[idx]) / 3 for idx in range(0, len(close_data))]
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Formula:
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234,377 | kylejusticemagnuson/pyti | pyti/true_range.py | true_range | def true_range(close_data, period):
"""
True Range.
Formula:
TRt = MAX(abs(Ht - Lt), abs(Ht - Ct-1), abs(Lt - Ct-1))
"""
catch_errors.check_for_period_error(close_data, period)
tr = [np.max([np.max(close_data[idx+1-period:idx+1]) -
np.min(close_data[idx+1-period:idx+1]),
... | python | def true_range(close_data, period):
"""
True Range.
Formula:
TRt = MAX(abs(Ht - Lt), abs(Ht - Ct-1), abs(Lt - Ct-1))
"""
catch_errors.check_for_period_error(close_data, period)
tr = [np.max([np.max(close_data[idx+1-period:idx+1]) -
np.min(close_data[idx+1-period:idx+1]),
... | [
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Formula:
TRt = MAX(abs(Ht - Lt), abs(Ht - Ct-1), abs(Lt - Ct-1)) | [
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234,378 | kylejusticemagnuson/pyti | pyti/double_smoothed_stochastic.py | double_smoothed_stochastic | def double_smoothed_stochastic(data, period):
"""
Double Smoothed Stochastic.
Formula:
dss = 100 * EMA(Close - Lowest Low) / EMA(Highest High - Lowest Low)
"""
catch_errors.check_for_period_error(data, period)
lows = [data[idx] - np.min(data[idx+1-period:idx+1]) for idx in range(period-1, ... | python | def double_smoothed_stochastic(data, period):
"""
Double Smoothed Stochastic.
Formula:
dss = 100 * EMA(Close - Lowest Low) / EMA(Highest High - Lowest Low)
"""
catch_errors.check_for_period_error(data, period)
lows = [data[idx] - np.min(data[idx+1-period:idx+1]) for idx in range(period-1, ... | [
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Formula:
dss = 100 * EMA(Close - Lowest Low) / EMA(Highest High - Lowest Low) | [
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234,379 | kylejusticemagnuson/pyti | pyti/volume_adjusted_moving_average.py | volume_adjusted_moving_average | def volume_adjusted_moving_average(close_data, volume, period):
"""
Volume Adjusted Moving Average.
Formula:
VAMA = SUM(CLOSE * VolumeRatio) / period
"""
catch_errors.check_for_input_len_diff(close_data, volume)
catch_errors.check_for_period_error(close_data, period)
avg_vol = np.mean(... | python | def volume_adjusted_moving_average(close_data, volume, period):
"""
Volume Adjusted Moving Average.
Formula:
VAMA = SUM(CLOSE * VolumeRatio) / period
"""
catch_errors.check_for_input_len_diff(close_data, volume)
catch_errors.check_for_period_error(close_data, period)
avg_vol = np.mean(... | [
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Formula:
VAMA = SUM(CLOSE * VolumeRatio) / period | [
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234,380 | kylejusticemagnuson/pyti | pyti/double_exponential_moving_average.py | double_exponential_moving_average | def double_exponential_moving_average(data, period):
"""
Double Exponential Moving Average.
Formula:
DEMA = 2*EMA - EMA(EMA)
"""
catch_errors.check_for_period_error(data, period)
dema = (2 * ema(data, period)) - ema(ema(data, period), period)
return dema | python | def double_exponential_moving_average(data, period):
"""
Double Exponential Moving Average.
Formula:
DEMA = 2*EMA - EMA(EMA)
"""
catch_errors.check_for_period_error(data, period)
dema = (2 * ema(data, period)) - ema(ema(data, period), period)
return dema | [
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Formula:
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234,381 | kylejusticemagnuson/pyti | pyti/triangular_moving_average.py | triangular_moving_average | def triangular_moving_average(data, period):
"""
Triangular Moving Average.
Formula:
TMA = SMA(SMA())
"""
catch_errors.check_for_period_error(data, period)
tma = sma(sma(data, period), period)
return tma | python | def triangular_moving_average(data, period):
"""
Triangular Moving Average.
Formula:
TMA = SMA(SMA())
"""
catch_errors.check_for_period_error(data, period)
tma = sma(sma(data, period), period)
return tma | [
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Formula:
TMA = SMA(SMA()) | [
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234,382 | kylejusticemagnuson/pyti | pyti/weighted_moving_average.py | weighted_moving_average | def weighted_moving_average(data, period):
"""
Weighted Moving Average.
Formula:
(P1 + 2 P2 + 3 P3 + ... + n Pn) / K
where K = (1+2+...+n) = n(n+1)/2 and Pn is the most recent price
"""
catch_errors.check_for_period_error(data, period)
k = (period * (period + 1)) / 2.0
wmas = []
... | python | def weighted_moving_average(data, period):
"""
Weighted Moving Average.
Formula:
(P1 + 2 P2 + 3 P3 + ... + n Pn) / K
where K = (1+2+...+n) = n(n+1)/2 and Pn is the most recent price
"""
catch_errors.check_for_period_error(data, period)
k = (period * (period + 1)) / 2.0
wmas = []
... | [
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234,383 | kylejusticemagnuson/pyti | pyti/ichimoku_cloud.py | conversion_base_line_helper | def conversion_base_line_helper(data, period):
"""
The only real difference between TenkanSen and KijunSen is the period value
"""
catch_errors.check_for_period_error(data, period)
cblh = [(np.max(data[idx+1-period:idx+1]) +
np.min(data[idx+1-period:idx+1])) / 2 for idx in range(period-1... | python | def conversion_base_line_helper(data, period):
"""
The only real difference between TenkanSen and KijunSen is the period value
"""
catch_errors.check_for_period_error(data, period)
cblh = [(np.max(data[idx+1-period:idx+1]) +
np.min(data[idx+1-period:idx+1])) / 2 for idx in range(period-1... | [
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234,384 | kylejusticemagnuson/pyti | pyti/chande_momentum_oscillator.py | chande_momentum_oscillator | def chande_momentum_oscillator(close_data, period):
"""
Chande Momentum Oscillator.
Formula:
cmo = 100 * ((sum_up - sum_down) / (sum_up + sum_down))
"""
catch_errors.check_for_period_error(close_data, period)
close_data = np.array(close_data)
moving_period_diffs = [[(close_data[idx+1-... | python | def chande_momentum_oscillator(close_data, period):
"""
Chande Momentum Oscillator.
Formula:
cmo = 100 * ((sum_up - sum_down) / (sum_up + sum_down))
"""
catch_errors.check_for_period_error(close_data, period)
close_data = np.array(close_data)
moving_period_diffs = [[(close_data[idx+1-... | [
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Formula:
cmo = 100 * ((sum_up - sum_down) / (sum_up + sum_down)) | [
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234,385 | kylejusticemagnuson/pyti | pyti/price_oscillator.py | price_oscillator | def price_oscillator(data, short_period, long_period):
"""
Price Oscillator.
Formula:
(short EMA - long EMA / long EMA) * 100
"""
catch_errors.check_for_period_error(data, short_period)
catch_errors.check_for_period_error(data, long_period)
ema_short = ema(data, short_period)
ema_l... | python | def price_oscillator(data, short_period, long_period):
"""
Price Oscillator.
Formula:
(short EMA - long EMA / long EMA) * 100
"""
catch_errors.check_for_period_error(data, short_period)
catch_errors.check_for_period_error(data, long_period)
ema_short = ema(data, short_period)
ema_l... | [
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Formula:
(short EMA - long EMA / long EMA) * 100 | [
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234,386 | kylejusticemagnuson/pyti | pyti/catch_errors.py | check_for_period_error | def check_for_period_error(data, period):
"""
Check for Period Error.
This method checks if the developer is trying to enter a period that is
larger than the data set being entered. If that is the case an exception is
raised with a custom message that informs the developer that their period
is ... | python | def check_for_period_error(data, period):
"""
Check for Period Error.
This method checks if the developer is trying to enter a period that is
larger than the data set being entered. If that is the case an exception is
raised with a custom message that informs the developer that their period
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234,387 | kylejusticemagnuson/pyti | pyti/catch_errors.py | check_for_input_len_diff | def check_for_input_len_diff(*args):
"""
Check for Input Length Difference.
This method checks if multiple data sets that are inputted are all the same
size. If they are not the same length an error is raised with a custom
message that informs the developer that the data set's lengths are not the
... | python | def check_for_input_len_diff(*args):
"""
Check for Input Length Difference.
This method checks if multiple data sets that are inputted are all the same
size. If they are not the same length an error is raised with a custom
message that informs the developer that the data set's lengths are not the
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234,388 | kylejusticemagnuson/pyti | pyti/bollinger_bands.py | upper_bollinger_band | def upper_bollinger_band(data, period, std_mult=2.0):
"""
Upper Bollinger Band.
Formula:
u_bb = SMA(t) + STD(SMA(t-n:t)) * std_mult
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
simple_ma = sma(data, period)[period-1:]
upper_bb = []
for idx in rang... | python | def upper_bollinger_band(data, period, std_mult=2.0):
"""
Upper Bollinger Band.
Formula:
u_bb = SMA(t) + STD(SMA(t-n:t)) * std_mult
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
simple_ma = sma(data, period)[period-1:]
upper_bb = []
for idx in rang... | [
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234,389 | kylejusticemagnuson/pyti | pyti/bollinger_bands.py | middle_bollinger_band | def middle_bollinger_band(data, period, std=2.0):
"""
Middle Bollinger Band.
Formula:
m_bb = sma()
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
mid_bb = sma(data, period)
return mid_bb | python | def middle_bollinger_band(data, period, std=2.0):
"""
Middle Bollinger Band.
Formula:
m_bb = sma()
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
mid_bb = sma(data, period)
return mid_bb | [
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Formula:
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234,390 | kylejusticemagnuson/pyti | pyti/bollinger_bands.py | lower_bollinger_band | def lower_bollinger_band(data, period, std=2.0):
"""
Lower Bollinger Band.
Formula:
u_bb = SMA(t) - STD(SMA(t-n:t)) * std_mult
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
simple_ma = sma(data, period)[period-1:]
lower_bb = []
for idx in range(len... | python | def lower_bollinger_band(data, period, std=2.0):
"""
Lower Bollinger Band.
Formula:
u_bb = SMA(t) - STD(SMA(t-n:t)) * std_mult
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
simple_ma = sma(data, period)[period-1:]
lower_bb = []
for idx in range(len... | [
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Formula:
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234,391 | kylejusticemagnuson/pyti | pyti/bollinger_bands.py | percent_bandwidth | def percent_bandwidth(data, period, std=2.0):
"""
Percent Bandwidth.
Formula:
%_bw = data() - l_bb() / bb_range()
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
percent_bandwidth = ((np.array(data) -
lower_bollinger_band(data, period... | python | def percent_bandwidth(data, period, std=2.0):
"""
Percent Bandwidth.
Formula:
%_bw = data() - l_bb() / bb_range()
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
percent_bandwidth = ((np.array(data) -
lower_bollinger_band(data, period... | [
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Formula:
%_bw = data() - l_bb() / bb_range() | [
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234,392 | kylejusticemagnuson/pyti | pyti/standard_deviation.py | standard_deviation | def standard_deviation(data, period):
"""
Standard Deviation.
Formula:
std = sqrt(avg(abs(x - avg(x))^2))
"""
catch_errors.check_for_period_error(data, period)
stds = [np.std(data[idx+1-period:idx+1], ddof=1) for idx in range(period-1, len(data))]
stds = fill_for_noncomputable_vals(da... | python | def standard_deviation(data, period):
"""
Standard Deviation.
Formula:
std = sqrt(avg(abs(x - avg(x))^2))
"""
catch_errors.check_for_period_error(data, period)
stds = [np.std(data[idx+1-period:idx+1], ddof=1) for idx in range(period-1, len(data))]
stds = fill_for_noncomputable_vals(da... | [
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Formula:
std = sqrt(avg(abs(x - avg(x))^2)) | [
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234,393 | kylejusticemagnuson/pyti | pyti/detrended_price_oscillator.py | detrended_price_oscillator | def detrended_price_oscillator(data, period):
"""
Detrended Price Oscillator.
Formula:
DPO = DATA[i] - Avg(DATA[period/2 + 1])
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
dop = [data[idx] - np.mean(data[idx+1-(int(period/2)+1):idx+1]) for idx in range(peri... | python | def detrended_price_oscillator(data, period):
"""
Detrended Price Oscillator.
Formula:
DPO = DATA[i] - Avg(DATA[period/2 + 1])
"""
catch_errors.check_for_period_error(data, period)
period = int(period)
dop = [data[idx] - np.mean(data[idx+1-(int(period/2)+1):idx+1]) for idx in range(peri... | [
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Formula:
DPO = DATA[i] - Avg(DATA[period/2 + 1]) | [
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234,394 | kylejusticemagnuson/pyti | pyti/smoothed_moving_average.py | smoothed_moving_average | def smoothed_moving_average(data, period):
"""
Smoothed Moving Average.
Formula:
smma = avg(data(n)) - avg(data(n)/n) + data(t)/n
"""
catch_errors.check_for_period_error(data, period)
series = pd.Series(data)
return series.ewm(alpha = 1.0/period).mean().values.flatten() | python | def smoothed_moving_average(data, period):
"""
Smoothed Moving Average.
Formula:
smma = avg(data(n)) - avg(data(n)/n) + data(t)/n
"""
catch_errors.check_for_period_error(data, period)
series = pd.Series(data)
return series.ewm(alpha = 1.0/period).mean().values.flatten() | [
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Formula:
smma = avg(data(n)) - avg(data(n)/n) + data(t)/n | [
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234,395 | kylejusticemagnuson/pyti | pyti/chaikin_money_flow.py | chaikin_money_flow | def chaikin_money_flow(close_data, high_data, low_data, volume, period):
"""
Chaikin Money Flow.
Formula:
CMF = SUM[(((Cn - Ln) - (Hn - Cn)) / (Hn - Ln)) * V] / SUM(Vn)
"""
catch_errors.check_for_input_len_diff(
close_data, high_data, low_data, volume)
catch_errors.check_for_period_... | python | def chaikin_money_flow(close_data, high_data, low_data, volume, period):
"""
Chaikin Money Flow.
Formula:
CMF = SUM[(((Cn - Ln) - (Hn - Cn)) / (Hn - Ln)) * V] / SUM(Vn)
"""
catch_errors.check_for_input_len_diff(
close_data, high_data, low_data, volume)
catch_errors.check_for_period_... | [
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Formula:
CMF = SUM[(((Cn - Ln) - (Hn - Cn)) / (Hn - Ln)) * V] / SUM(Vn) | [
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234,396 | kylejusticemagnuson/pyti | pyti/hull_moving_average.py | hull_moving_average | def hull_moving_average(data, period):
"""
Hull Moving Average.
Formula:
HMA = WMA(2*WMA(n/2) - WMA(n)), sqrt(n)
"""
catch_errors.check_for_period_error(data, period)
hma = wma(
2 * wma(data, int(period/2)) - wma(data, period), int(np.sqrt(period))
)
return hma | python | def hull_moving_average(data, period):
"""
Hull Moving Average.
Formula:
HMA = WMA(2*WMA(n/2) - WMA(n)), sqrt(n)
"""
catch_errors.check_for_period_error(data, period)
hma = wma(
2 * wma(data, int(period/2)) - wma(data, period), int(np.sqrt(period))
)
return hma | [
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234,397 | kylejusticemagnuson/pyti | pyti/standard_variance.py | standard_variance | def standard_variance(data, period):
"""
Standard Variance.
Formula:
(Ct - AVGt)^2 / N
"""
catch_errors.check_for_period_error(data, period)
sv = [np.var(data[idx+1-period:idx+1], ddof=1) for idx in range(period-1, len(data))]
sv = fill_for_noncomputable_vals(data, sv)
return sv | python | def standard_variance(data, period):
"""
Standard Variance.
Formula:
(Ct - AVGt)^2 / N
"""
catch_errors.check_for_period_error(data, period)
sv = [np.var(data[idx+1-period:idx+1], ddof=1) for idx in range(period-1, len(data))]
sv = fill_for_noncomputable_vals(data, sv)
return sv | [
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234,398 | kylejusticemagnuson/pyti | pyti/directional_indicators.py | calculate_up_moves | def calculate_up_moves(high_data):
"""
Up Move.
Formula:
UPMOVE = Ht - Ht-1
"""
up_moves = [high_data[idx] - high_data[idx-1] for idx in range(1, len(high_data))]
return [np.nan] + up_moves | python | def calculate_up_moves(high_data):
"""
Up Move.
Formula:
UPMOVE = Ht - Ht-1
"""
up_moves = [high_data[idx] - high_data[idx-1] for idx in range(1, len(high_data))]
return [np.nan] + up_moves | [
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Formula:
UPMOVE = Ht - Ht-1 | [
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234,399 | kylejusticemagnuson/pyti | pyti/directional_indicators.py | calculate_down_moves | def calculate_down_moves(low_data):
"""
Down Move.
Formula:
DWNMOVE = Lt-1 - Lt
"""
down_moves = [low_data[idx-1] - low_data[idx] for idx in range(1, len(low_data))]
return [np.nan] + down_moves | python | def calculate_down_moves(low_data):
"""
Down Move.
Formula:
DWNMOVE = Lt-1 - Lt
"""
down_moves = [low_data[idx-1] - low_data[idx] for idx in range(1, len(low_data))]
return [np.nan] + down_moves | [
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Formula:
DWNMOVE = Lt-1 - Lt | [
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