77 lines
2.7 KiB
Python
77 lines
2.7 KiB
Python
import pandas as pd
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import pytz, json
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from datetime import datetime
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NIGHT = "night"
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MORNING = "morning"
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AFTERNOON = "afternoon"
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EVENING = "evening"
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HOUR2EPOCH = [NIGHT] * 6 + [MORNING] * 6 + [AFTERNOON] * 6 + [EVENING] * 6
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SLEEP_COLUMNS = ("device_id",
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"sleep", # 1: "asleep", 2: "restless", or 3: "awake"
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"local_date_time",
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"local_date",
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"local_month",
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"local_day",
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"local_day_of_week",
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"local_time",
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"local_hour",
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"local_minute",
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"local_day_segment")
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fitbit_data = pd.read_csv(snakemake.input[0])
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sleep_data = fitbit_data[fitbit_data["fitbit_data_type"] == "sleep"]
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local_timezone = pytz.timezone(snakemake.params["local_timezone"])
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"""
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Data is pulled in intraday manner. Since data will be duplicated until the
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last record from that day, first sort by time, then drop all but
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the last record for each day. Drop duplicates based on aware timestamp.
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"""
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local_date_col = sleep_data["timestamp"].apply(lambda ts: str(datetime.fromtimestamp(ts/1000, tz=local_timezone).date()))
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sleep_data = sleep_data.assign(local_date=local_date_col.values)
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sleep_data.sort_values(by="timestamp", ascending=True, inplace=True)
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sleep_data.drop_duplicates(subset="local_date", keep="last", inplace=True)
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device_id = sleep_data["device_id"].iloc[0]
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records = []
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# Parse JSON into individual records
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for multi_record in sleep_data.fitbit_data:
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for record in json.loads(multi_record)["sleep"]:
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start_date = datetime.strptime(record["startTime"][:10], "%Y-%m-%d")
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end_date = datetime.strptime(record["endTime"][:10], "%Y-%m-%d")
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flag = 1 if start_date == end_date else 0
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for data in record["minuteData"]:
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d_time = datetime.strptime(data["dateTime"], '%H:%M:%S').time()
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if not flag and not d_time.hour:
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flag = 1
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curr_date = end_date if flag else start_date
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d_datetime = datetime.combine(curr_date, d_time)
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# Create tuple of parsed data
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row = (device_id,
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data["value"],
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d_datetime,
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d_datetime.date(),
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d_datetime.month,
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d_datetime.day,
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d_datetime.weekday(),
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d_datetime.time(),
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d_datetime.hour,
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d_datetime.minute,
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HOUR2EPOCH[d_datetime.hour])
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# Append the data to a list
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records.append(row)
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# Create a new DataFrame from the list of tuples.
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sleep_preprocessed = pd.DataFrame(data=records, columns=SLEEP_COLUMNS)
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sleep_preprocessed.to_csv(snakemake.output[0], index=False)
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