BrainWikipediaPageViews
QuantConnect.DataSource.BrainWikipediaPageViews
BrainWikipediaPageViews()
Bases: BaseData
Brain Wikipedia Page Views (BWPV)
The dataset monitors Wikipedia page views and "buzz" metrics for the top ~1000 US companies. It provides the raw views and buzz scores over different horizons (1, 7, and 30 days).
Constructor for initialising the dase data class
number_views_1
number_views_1: Optional[float]
Raw number of views for the past day
buzz_1
buzz_1: Optional[float]
"Buzz" metric over the past day
number_views_7
number_views_7: Optional[float]
Raw number of views over the past 7 days
buzz_7
buzz_7: Optional[float]
"Buzz" metric over the past 7 days
number_views_30
number_views_30: Optional[float]
Raw number of views over the past 30 days
buzz_30
buzz_30: Optional[float]
"Buzz" metric over the past 30 days
data_type
data_type: MarketDataType
Market Data Type of this data - does it come in individual price packets or is it grouped into OHLC.
time
time: datetime
Current time marker of this data packet.
end_time
end_time: datetime
The end time of this data. Some data covers spans (trade bars) and as such we want to know the entire time span covered
value
value: float
Value representation of this data packet. All data requires a representative value for this moment in time. For streams of data this is the price now, for OHLC packets this is the closing price.
price
price: float
As this is a backtesting platform we'll provide an alias of value as price.
ALL_RESOLUTIONS
ALL_RESOLUTIONS: List[Resolution] = ...
A list of all Resolution
This codeEntityType is protected.
DAILY_RESOLUTION
DAILY_RESOLUTION: List[Resolution] = ...
A list of Resolution.DAILY
This codeEntityType is protected.
MINUTE_RESOLUTION
MINUTE_RESOLUTION: List[Resolution] = ...
A list of Resolution.MINUTE
This codeEntityType is protected.
HIGH_RESOLUTION
HIGH_RESOLUTION: List[Resolution] = ...
A list of high Resolution, including minute, second, and tick.
This codeEntityType is protected.
OPTION_RESOLUTIONS
OPTION_RESOLUTIONS: List[Resolution] = ...
A list of resolutions support by Options
This codeEntityType is protected.
is_fill_forward
is_fill_forward: bool
True if this is a fill forward piece of data
data_time_zone
data_time_zone() -> Any
Gets the data time zone (UTC)
get_source
get_source(
config: SubscriptionDataConfig,
date: datetime,
is_live_mode: bool,
) -> SubscriptionDataSource
Returns the path to the daily data file for a given symbol and month.
Folder structure (Option A): alternative/brain/bwpv/{yyyyMM}/{symbol}.csv
Each file contains multiple daily rows for the given symbol and month.
is_sparse_data
is_sparse_data() -> bool
Indicates whether the data is sparse
reader
reader(
config: SubscriptionDataConfig,
line: str,
date: datetime,
is_live_mode: bool,
) -> BaseData
Parses a line from the BWPV data file into a BrainWikipediaPageViews instance.
File format (per line): 0: yyyyMMdd (data date) 1: NumberViews1 2: Buzz1 3: NumberViews7 4: Buzz7 5: NumberViews30 6: Buzz30
requires_mapping
requires_mapping() -> bool
Indicates whether the data source requires symbol mapping
supported_resolutions
supported_resolutions() -> List[Resolution]
Gets the supported resolutions (daily only)
to_string
to_string() -> str
Converts this instance to a string
deserialize_message
deserialize_message(serialized: str) -> Iterable[BaseData]
Deserialize the message from the data server
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
serialized
|
str
|
The data server's message |
required |
Returns:
| Type | Description |
|---|---|
Iterable[BaseData]
|
An enumerable of base data, if unsuccessful, returns an empty enumerable. |
should_cache_to_security
should_cache_to_security() -> bool
Indicates whether this contains data that should be stored in the security cache
Returns:
| Type | Description |
|---|---|
bool
|
Whether this contains data that should be stored in the security cache. |
update
update(
last_trade: float,
bid_price: float,
ask_price: float,
volume: float,
bid_size: float,
ask_size: float,
) -> None
Update routine to build a bar/tick from a data update.
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
last_trade
|
float
|
The last trade price |
required |
bid_price
|
float
|
Current bid price |
required |
ask_price
|
float
|
Current asking price |
required |
volume
|
float
|
Volume of this trade |
required |
bid_size
|
float
|
The size of the current bid, if available |
required |
ask_size
|
float
|
The size of the current ask, if available |
required |
update_ask
update_ask(ask_price: float, ask_size: float) -> None
Updates this base data with the new quote ask information
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
ask_price
|
float
|
The current ask price |
required |
ask_size
|
float
|
The current ask size |
required |
update_bid
update_bid(bid_price: float, bid_size: float) -> None
Updates this base data with the new quote bid information
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
bid_price
|
float
|
The current bid price |
required |
bid_size
|
float
|
The current bid size |
required |
update_quote
update_quote(
bid_price: float,
bid_size: float,
ask_price: float,
ask_size: float,
) -> None
Updates this base data with new quote information
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
bid_price
|
float
|
The current bid price |
required |
bid_size
|
float
|
The current bid size |
required |
ask_price
|
float
|
The current ask price |
required |
ask_size
|
float
|
The current ask size |
required |
update_trade
update_trade(last_trade: float, trade_size: float) -> None
Updates this base data with a new trade
Parameters:
| Name | Type | Description | Default |
|---|---|---|---|
last_trade
|
float
|
The price of the last trade |
required |
trade_size
|
float
|
The quantity traded |
required |