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#!/usr/bin/env python3
"""
This script takes multiple .log data files from PCScreenWatcher and a Firefox history database (places.sqlite)
inside a folder to extract each activity title, their url if applicable and usage timestamps into a pseudo-csv file.
"""
import csv
import os
import re
from datetime import datetime
from pathlib import Path
from read_sqlite import get_url_from_sqlite
# takes the log data string and returns a list of activity titles and their time windows
def extract_activities(log_data):
BROWSER_TITLE_SUFFIX = " - Mozilla Firefox"
# regex which matches between squared brackets
reg_titles = re.compile("(?<=\[).*?(?=\])")
# regex for total/active time
reg_time = re.compile(
"(?<!\()Total: \d*\.*\d*m*\d*\.*\d*s*, Active: \d*\.*\d*m*\d*\.*\d*s*"
)
# regex which matches number + . and splits into different strings
reg_split = re.compile("\d+\. ")
extracted_data = {}
for log_date in log_data:
windows = reg_split.split(log_date)
brackets = []
del_flag = True
# extract squared brackets per string
for s in windows:
if not del_flag:
found_brackets = reg_titles.findall(s)
if found_brackets:
# Only use Browser titles
if found_brackets[0].endswith(BROWSER_TITLE_SUFFIX):
title = found_brackets[0].replace(BROWSER_TITLE_SUFFIX, "")
brackets.append(title)
enter_exit = s.split("Enter-Exit: ")[-1]
timestamps = reg_titles.findall(enter_exit)
for timestamp in timestamps:
t_enter, t_exit = timestamp.split("-")
if not title in extracted_data:
extracted_data[title] = []
enter_date = datetime.strptime(t_enter, "%H:%M:%S").time()
exit_date = datetime.strptime(t_exit, "%H:%M:%S").time()
extracted_data[title].append((enter_date, exit_date))
if "Activies in each window" in s:
del_flag = False
if "Restricted Windows Summary:" in s:
del_flag = True
return extracted_data
def get_log_data(data_path):
files = os.listdir(data_path)
log_files = []
log_data = []
for s in files:
if s.endswith(".log"):
log_files.append(os.path.join(data_path, s))
for l in log_files:
with open(l, "r") as reader:
log_data.append(reader.read())
return log_data
def get_history_db(data_path):
files = os.listdir(data_path)
for s in files:
if s.endswith(".sqlite"):
history_db = os.path.join(data_path, s)
return history_db
return None
def match_urls(history_db, log):
for entry in log:
url = get_url_from_sqlite(history_db, entry[2])
entry.append(url)
return log
def generate_log(activities: dict):
# For each start time in ascending order, make an entry with title and timestamp
log = []
while activities:
first_title = list(activities.keys())[0]
smallest_start_time = (first_title, 0)
for title in activities.keys():
for idx, timestamp in enumerate(activities[title]):
if (
timestamp[0]
< activities[smallest_start_time[0]][smallest_start_time[1]][0]
):
smallest_start_time = (title, idx)
log.append(
[
activities[smallest_start_time[0]][smallest_start_time[1]][
0
].isoformat(),
activities[smallest_start_time[0]][smallest_start_time[1]][
1
].isoformat(),
smallest_start_time[0],
]
)
del activities[smallest_start_time[0]][smallest_start_time[1]]
if not activities[smallest_start_time[0]]:
del activities[smallest_start_time[0]]
return log
def write_logfile(vp_dir, log):
path = Path(f"{vp_dir}/logs.csv")
with open(path, "w", newline="") as csvfile:
writer = csv.writer(
csvfile, delimiter=",", quoting=csv.QUOTE_NONNUMERIC, lineterminator="\n"
)
writer.writerow(["Starttime", "Endtime", "Title", "URL"])
for row in log:
writer.writerow(row)
def main():
for vp_dir in [f.name for f in os.scandir() if f.is_dir()]:
print(vp_dir)
log = extract_activities(get_log_data(vp_dir))
log = generate_log(log)
history = get_history_db(vp_dir)
log = match_urls(history, log)
write_logfile(vp_dir, log)
if __name__ == "__main__":
main()
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