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makehtml.py
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makehtml.py
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#!/usr/bin/env python
# makehtml.py written by Claude Pageau
# Create linked html pages from csv log file entries
# for easier viewing speed camera images and data on a web server
from __future__ import print_function
progVer = "11.08"
print('Loading ...')
import glob
import os
import sys
import csv
import time
import datetime
import shutil
# Find the full path of this python script
progName = os.path.abspath(__file__)
# get the path location only (excluding script name)
baseDir = os.path.dirname(progName)
# Change to Folder that this script is run from
os.chdir(baseDir)
# User Variable Settings for this script
# --------------------------------------
VERBOSE = True # produce addition log information
HTML_MAX_FILES = 100 # Default= 100 Set mazimum html files to create 0=All
DELETE_PREVIOUS_HTML = True
SOURCE_CSV_PATH = "./speed-cam.csv" # location of the speed camera csv file
WEB_HTML_DIR = "media/html" # Dir path to html folder to store html files
# Guess contour width to height ratio. Added this Just for fun
PERSON_GUESS_RATIO = .73
PERSON_BIKE_RATIO = 1.1
# ------- End of User Variable Settings -------
if not os.path.exists(SOURCE_CSV_PATH):
print('%s File Does Not Exist. Please set' % SOURCE_CSV_PATH)
print('config.py variable log_data_to_CSV = True')
print('Restart speed-cam.py and allow time to collect data,')
print('then rerun makehtml.py')
sys.exit(1)
if not os.path.isdir(WEB_HTML_DIR):
print("Creating html Folder %s" % WEB_HTML_DIR)
os.makedirs(WEB_HTML_DIR)
#------------------------------------------------------------------------------
def make_web_page(up_html, row_data, dn_html):
timestamp=datetime.datetime.strptime(row_data[0], "%Y-%m-%d %H:%M:%S")
YYYYMMDD=timestamp.strftime("%Y%m%d")
HH=timestamp.strftime("%H")
MM=timestamp.strftime("%M")
Speed=row_data[1]
Unit=row_data[2]
img_path=row_data[3]
img_filename=os.path.basename(img_path)
img_html_path = os.path.join(os.path.relpath(
os.path.abspath(os.path.dirname(img_path)),
os.path.abspath(WEB_HTML_DIR)),
img_filename)
X=row_data[4]
Y=row_data[5]
W=row_data[6]
H=row_data[7]
aspect_ratio = float(W)/int(H)
if aspect_ratio < PERSON_GUESS_RATIO:
Guess = "Person Walking"
elif aspect_ratio < PERSON_BIKE_RATIO:
Guess = "Person on Bike or Golf Cart"
else:
Guess = "Vehicle"
Area=int(W)*int(H)
pageTemplate = ('''<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
<html>
<head>
<meta "Content-Type" content="txt/html; charset=ISO-8859-1" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head><html>
<title>Speed Camera by Claude Pageau</title>
<body>
<table style="border-spacing: 15px;" cellspacing="10">
<tr>
<td>
<span style="float: left">
<a href="%s" target="_blank" ><img src="%s" width="640" height="480" hspace="20" ALIGN="left" alt="Speed Image"/></a>
</span>
<span style="float: right">
<div>
<h4><center>Object Motion Speed Tracker</center></h4>
<h2><center>Speed Camera Data</center></h2>
<hr>
<h3>Taken: %s at %s:%s</h3>
<h3>Speed: %s %s</h3>
<h3>Contour: %s x %s = %s sq px</h3>
<h3>Aspect Ratio: %.3f w/h</h3>
<h3>Guess: %s</h3>
<hr>
<center>
<h4><a href="%s" target="_blank" >%s</a></h4>
<h1>
<a href="%s" style="text-decoration:none;" >UP</a>
<a href="%s" style="text-decoration:none";>DOWN</a>
</h1>
Click image to enlarge in new browser tab
</center>
</div>
</span>
</td>
</tr>
</table>
</body>
</html>''' % (img_html_path, img_html_path,
YYYYMMDD, HH, MM, Speed, Unit,
W, H, Area, aspect_ratio,
Guess, img_html_path,
img_filename, dn_html, up_html))
# Write the html file
base_filename = os.path.splitext(os.path.basename(img_path))[0]
web_html_path = os.path.join(WEB_HTML_DIR, base_filename + '.html')
if os.path.isfile(img_path):
f = open(web_html_path, "w")
f.write(pageTemplate)
f.close()
# Sync file stat dates of html with jpg file
shutil.copystat(img_path, web_html_path)
if VERBOSE:
print("Saved %s<- %s ->%s" % (dn_html, web_html_path , up_html))
else:
if os.path.isfile(web_html_path):
if VERBOSE:
print("Remove File %s" % web_html_path)
os.remove(web_html_path)
#------------------------------------------------------------------------------
def check_row(row_data):
found = False
web_html_path = ""
img_path = row_data[3]
if os.path.isfile(img_path):
base_filename = os.path.splitext(os.path.basename(img_path))[0]
web_html_path = base_filename + '.html'
found = True
return found, web_html_path
#------------------------------------------------------------------------------
def csv_line_count(filename):
with open(filename) as f:
return sum(1 for line in f)
#------------------------------------------------------------------------------
def file_last_mod_datetime(filename):
t = os.path.getmtime(filename)
return datetime.datetime.fromtimestamp(t)
#------------------------------------------------------------------------------
def read_from_csv(filename):
csv_last_mod_time = file_last_mod_datetime(filename)
this_is_first_row = True
this_is_third_row = True
cur_link = ""
next_link = ""
new_link = ""
second_row = []
next_row = []
cur_row = []
prev_row = []
if DELETE_PREVIOUS_HTML:
print('Remove html files in %s since DELETE_PREVIOUS_HTML = %s' %
(WEB_HTML_DIR, DELETE_PREVIOUS_HTML))
html_dir_list = glob.glob(WEB_HTML_DIR + "/*html")
for file in html_dir_list:
os.remove(file)
csv_rows = csv_line_count(filename)
print('csv file %s contains %i rows' % (filename, csv_rows))
skip_rows = 0
if csv_rows > HTML_MAX_FILES and not HTML_MAX_FILES == 0:
skip_rows = csv_rows - HTML_MAX_FILES
print('Skipping %s rows in %s since HTML_MAX_FILES = %i' %
(skip_rows, filename, HTML_MAX_FILES))
f = open(filename, 'rt')
cnt=0
workStart = time.time()
workCount = 0
try:
reader = csv.reader(f)
for row in reader:
workCount += 1
if workCount <= skip_rows:
continue
if not next_row:
jpg_exists, next_link = check_row(row)
if jpg_exists:
next_row = row
first_row = row
first_link = next_link
elif not cur_row:
jpg_exists, cur_link = check_row(row)
if jpg_exists:
cur_row = row
second_row = row
second_link = cur_link
else:
jpg_exists, new_link = check_row(row)
if jpg_exists:
temp_link = new_link
prev_row = cur_row
prev_link = cur_link
cur_row = next_row
cur_link = next_link
next_row = row
save_next_link = next_link
next_link = new_link
if this_is_first_row:
make_web_page(first_link, first_row, second_link)
make_web_page(first_link, second_row, temp_link)
this_is_first_row = False
else:
if this_is_third_row:
make_web_page(second_link, cur_row, next_link)
this_is_third_row = False
else:
make_web_page(prev_link, cur_row, next_link)
make_web_page(cur_link, next_row, next_link)
finally:
f.close()
workEnd = time.time()
outDir = os.path.abspath(WEB_HTML_DIR)
print("-----------------")
print("%s ver %s - written by Claude Pageau" % (progName, progVer))
print('Process speed camera csv file and create linked html files')
print('for the most recent CSV entries if HTML_MAX_FILES > 0')
print("%s last modified on %s\n" % (filename, csv_last_mod_time))
print('HTML_MAX_FILES= %i DELETE_PREVIOUS_HTML= %s' %
(HTML_MAX_FILES, DELETE_PREVIOUS_HTML ))
print("Processed %i web pages in %.2f seconds into Folder %s" %
(workCount-skip_rows, workEnd - workStart, outDir))
print("Done ...")
# Start program
read_from_csv(SOURCE_CSV_PATH)