bicycle_statistics: Transformed to file system event driven service

Signed-off-by: Thomas Klaehn <thomas.klaehn@u-blox.com>
This commit is contained in:
Thomas Klaehn 2018-07-26 14:20:15 +02:00
parent 492c67bec3
commit b4d4d844fd
4 changed files with 185 additions and 94 deletions

View File

@ -1,6 +1,12 @@
import argparse
import sys
import threading
import time
from watchdog.observers import Observer
from gpx2html import Gpx2Html
from input_observer import InputObserver
def parse_args():
'''Shell argument parser.'''
@ -9,10 +15,48 @@ def parse_args():
parser.add_argument('outfolder', help='Specify the out folder.')
return parser.parse_args()
class myLoop(threading.Thread):
def __init__(self, infolder, outfolder):
super(myLoop, self).__init__()
self.run_condition = True
self.infolder = infolder
self.outfolder = outfolder
self.observer = Observer()
self.in_obs = InputObserver(patterns=["*.gpx"])
def run(self):
gpx2html = Gpx2Html(self.infolder, self.outfolder)
gpx2html.process()
self.observer.schedule(self.in_obs, self.infolder)
self.observer.start()
while self.run_condition is True:
new_file = self.in_obs.get_new_file()
if new_file:
gpx2html.process()
print "processed"
def stop(self):
self.run_condition = False
self.in_obs.stop()
self.observer.stop()
self.observer.join()
def main():
args = parse_args()
gpx2html = Gpx2Html(args.infolder, args.outfolder)
gpx2html.process()
my_loop = myLoop(args.infolder, args.outfolder)
my_loop.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
my_loop.stop()
my_loop.join()
return 0
if __name__ == '__main__':
sys.exit(main())

View File

@ -47,99 +47,37 @@ class Gpx2Html(object):
def __init__(self, infolder, outfolder):
self.infolder = infolder
self.outfolder = outfolder
self.outfolder = os.path.abspath(outfolder)
self.distance_diag_file = 'distance.png'
self.distance_diag_abs = os.path.join(self.outfolder, self.distance_diag_file)
self.avg_spd_diag_file = 'avg_spd.png'
self.avg_spd_diag_abs = os.path.join(self.outfolder, self.avg_spd_diag_file)
self.last_n_days_diag_file = None
self.html_file = os.path.join(self.outfolder, 'index.html')
self.years_distance = list()
self.years_avg_spd = list()
self.years = list()
def process(self):
self.tracks = gpx_parser.Tracks(self.infolder)
years_distance = list()
years_avg_spd = list()
years = list()
for year in range(2017, datetime.datetime.now().year + 1):
month_avg_spd = {1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0}
month_distance = {1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0}
month_duration = {1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0}
for month in range(1, 13):
if month == 12:
max_day = (datetime.date(year + 1, 1, 1) - datetime.timedelta(days=1)).day
else:
max_day = (datetime.date(year, month + 1, 1) - datetime.timedelta(days=1)).day
for day in range(1, max_day + 1):
date_tracks = self.tracks.get(year, month, day)
for track in date_tracks:
month_distance[month] += (track.distance / 1000) # km
month_duration[month] += track.duration.total_seconds() / 3600 # h
for i in range(1, 13):
if month_duration[i] > 0:
month_avg_spd[i] = month_distance[i] / month_duration[i]
years_distance.append(month_distance.values())
years_avg_spd.append(month_avg_spd.values())
years.append(str(year))
def plot_distance_diagram(self):
plot_bar_chart(self.years, self.MONTH_LABELS, self.years_distance,
'Distance', 'Month', 'km', self.distance_diag_abs)
out_folder = os.path.abspath(self.outfolder)
dst_file_name = 'distance.png'
plot_bar_chart(years, self.MONTH_LABELS, years_distance, 'Distance', 'Month', 'km', os.path.join(out_folder, dst_file_name))
def plot_avg_spd_diagram(self):
plot_bar_chart(self.years, self.MONTH_LABELS, self.years_avg_spd,
'Average Speed', 'Month', 'km/h', self.avg_spd_diag_abs)
avg_file_name = 'avg_spd.png'
plot_bar_chart(years, self.MONTH_LABELS, years_avg_spd, 'Average Speed', 'Month', 'km/h', os.path.join(out_folder, avg_file_name))
# last n days
n = 14
end_date = datetime.date.today()
start_date = end_date - datetime.timedelta(days=n)
dates = pd.date_range(start_date, end_date)
def plot_last_n_days(self, day_count):
plot_bar_chart(["Distance", "Average speed"], self.date_distance.keys(),
[self.date_distance.values(), self.date_avg_spd.values()],
'Last {} days'.format(day_count), 'Date', 'km, km/h',
os.path.join(self.outfolder, self.last_n_days_diag_file), 90)
date_distance = dict()
date_duration = dict()
date_avg_spd = dict()
for date in dates:
date_str = "{0:04d}-{1:02d}-{2:02d}".format(date.year, date.month, date.day)
date_tracks = self.tracks.get(date.year, date.month, date.day)
for track in date_tracks:
try:
current_dist = date_distance[date_str]
current_duration = date_duration[date_str]
except KeyError:
current_dist = 0
current_duration = 0
current_dist += track.distance / 1000
date_distance.update({date_str:current_dist})
current_duration += track.duration.total_seconds() / 3600
date_duration.update({date_str:current_duration})
# check for empty dates
try:
current_dist = date_distance[date_str]
current_duration = date_duration[date_str]
except KeyError:
date_distance.update({date_str:0})
date_duration.update({date_str:0})
date_duration = collections.OrderedDict(sorted(date_duration.items()))
for key, value in date_duration.items():
if value == 0:
date_avg_spd.update({key:0})
else:
avg_spd = date_distance[key] / value
date_avg_spd.update({key:avg_spd})
date_avg_spd = collections.OrderedDict(sorted(date_avg_spd.items()))
date_distance = collections.OrderedDict(sorted(date_distance.items()))
dst_n_file_name = "distance_last_{}_days.png".format(n)
plot_bar_chart(["Distance", "Average speed"],
date_distance.keys(),
[date_distance.values(), date_avg_spd.values()],
'Last {} days'.format(n),
'Date',
'km, km/h',
os.path.join(out_folder, dst_n_file_name),
90)
html_file = os.path.join(out_folder, 'index.html')
with open(html_file, 'w') as handle:
def write_html_file(self):
with open(self.html_file, 'w') as handle:
handle.write('<!DOCTYPE html>\n')
handle.write('<html>\n')
handle.write('<head>\n')
@ -161,24 +99,102 @@ class Gpx2Html(object):
handle.write('<table>\n')
handle.write('<tr>\n')
for year in years:
for year in self.years:
handle.write('<th>{}</th>\n'.format(year))
handle.write('</tr>\n')
handle.write('<tr>\n')
for i in range(len(years_distance)):
handle.write('<td>{} km</td>\n'.format(round(sum(years_distance[i]), 1)))
for i in range(len(self.years_distance)):
handle.write('<td>{} km</td>\n'.format(round(sum(self.years_distance[i]), 1)))
handle.write('</tr>\n')
handle.write('</table>\n')
handle.write('</p>\n')
handle.write('<p>\n')
handle.write('<IMG SRC="{}" ALT="Distance">\n'.format(dst_file_name))
handle.write('<IMG SRC="{}" ALT="Distance">\n'.format(avg_file_name))
handle.write('<IMG SRC="{}" ALT="Distance">\n'.format(dst_n_file_name))
handle.write('<IMG SRC="{}" ALT="Distance">\n'.format(self.distance_diag_file))
handle.write('<IMG SRC="{}" ALT="Distance">\n'.format(self.avg_spd_diag_file))
handle.write('<IMG SRC="{}" ALT="Distance">\n'.format(self.last_n_days_diag_file))
handle.write('</p>\n')
handle.write('</body>\n')
handle.write('<center>\n')
handle.write('</html>\n')
def process(self):
self.years[:] = []
self.years_avg_spd[:] = []
self.years_distance[:] = []
self.tracks = gpx_parser.Tracks(self.infolder)
for year in range(2017, datetime.datetime.now().year + 1):
month_avg_spd = {1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0}
month_distance = {1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0}
month_duration = {1:0, 2:0, 3:0, 4:0, 5:0, 6:0, 7:0, 8:0, 9:0, 10:0, 11:0, 12:0}
for month in range(1, 13):
if month == 12:
max_day = (datetime.date(year + 1, 1, 1) - datetime.timedelta(days=1)).day
else:
max_day = (datetime.date(year, month + 1, 1) - datetime.timedelta(days=1)).day
for day in range(1, max_day + 1):
date_tracks = self.tracks.get(year, month, day)
for track in date_tracks:
month_distance[month] += (track.distance / 1000) # km
month_duration[month] += track.duration.total_seconds() / 3600 # h
for i in range(1, 13):
if month_duration[i] > 0:
month_avg_spd[i] = month_distance[i] / month_duration[i]
self.years_distance.append(month_distance.values())
self.years_avg_spd.append(month_avg_spd.values())
self.years.append(str(year))
self.plot_distance_diagram()
self.plot_avg_spd_diagram()
# last n days
n = 14
end_date = datetime.date.today()
start_date = end_date - datetime.timedelta(days=n)
dates = pd.date_range(start_date, end_date)
self.date_distance = dict()
date_duration = dict()
self.date_avg_spd = dict()
for date in dates:
date_str = "{0:04d}-{1:02d}-{2:02d}".format(date.year, date.month, date.day)
date_tracks = self.tracks.get(date.year, date.month, date.day)
for track in date_tracks:
try:
current_dist = self.date_distance[date_str]
current_duration = date_duration[date_str]
except KeyError:
current_dist = 0
current_duration = 0
current_dist += track.distance / 1000
self.date_distance.update({date_str:current_dist})
current_duration += track.duration.total_seconds() / 3600
date_duration.update({date_str:current_duration})
# check for empty dates
try:
current_dist = self.date_distance[date_str]
current_duration = date_duration[date_str]
except KeyError:
self.date_distance.update({date_str:0})
date_duration.update({date_str:0})
date_duration = collections.OrderedDict(sorted(date_duration.items()))
for key, value in date_duration.items():
if value == 0:
self.date_avg_spd.update({key:0})
else:
avg_spd = self.date_distance[key] / value
self.date_avg_spd.update({key:avg_spd})
self.date_avg_spd = collections.OrderedDict(sorted(self.date_avg_spd.items()))
self.date_distance = collections.OrderedDict(sorted(self.date_distance.items()))
self.last_n_days_diag_file = "distance_last_{}_days.png".format(n)
self.plot_last_n_days(n)
self.write_html_file()

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@ -0,0 +1,31 @@
from watchdog.events import PatternMatchingEventHandler
import threading
class InputObserver(PatternMatchingEventHandler):
def __init__(self, patterns=None, ignore_patterns=None,
ignore_directories=False, case_sensitive=False):
super(InputObserver, self).__init__(patterns, ignore_patterns,
ignore_directories, case_sensitive)
self.lock = threading.Lock()
self.lock.acquire()
self.new_filename = None
self.run_condition = True
def on_created(self, event):
self.new_filename = event.src_path
self.lock.release()
def get_new_file(self):
self.lock.acquire() # don't release - will be released with next on_created
if self.run_condition == True:
return self.new_filename
else:
return None
def stop(self):
self.run_condition = False
self.lock.release()

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@ -10,7 +10,7 @@ NAME = 'bicycle-statistics'
VERSION = '0.1.0'
AUTHOR = 'Thomas Klaehn'
EMAIL = 'tkl@blackfinn.de'
PACKAGES = [NAME, 'gpx_parser', 'gpx2html']
PACKAGES = ['bicycle_statistics', 'gpx_parser', 'gpx2html', 'input_observer']
SCRIPTS = ['example-gpx-parser', 'bicycle-stat']
DAEMON_START_SCRIPT = os.path.join("/lib/systemd/system", "bicycle-stat.service")