def update_buffer(self, values, appnd, ref):
#append a line of info at the current position plus 1
# print("Update Buffer appnd and ref are : ",appnd,ref)
if appnd + (self.__source_ref != ref):
#we adding message and incrementing posn
if self.__size < self.__config.text_buffer_length - 1:
self.__size += 1
if self.__posn == self.__config.text_buffer_length - 1:
# last insert was at the end so go back to beginning@@
self.__posn = 0
else:
# first increment insert position by one
self.__posn += 1
# then insert a line full of values
self.__source_ref = ref
else:
self.__source_ref = ref
if len(values) > self.__width:
print("Width Error for :", self.__config.prog_name, len(values),
self.__width, values)
sys.exit()
for i in range(0, len(values)):
self.__dta[self.__posn][i] = values[i]
#print("Buffer updated and log buffer flag is : ",self.__config.log_buffer_flag)
if self.__config.log_buffer_flag:
self.__log.log_to_file(self.__headings, values)
if fileexists(self.__www_filename):
try:
self.__log.copy_log_to_www(False)
except:
print(
"Failed to copy log file to www because this not there: ",
self.__www_filename)
#send log file to website configevery ten scans
if self.__send_log_count > 10 and fileexists(self.__ftp_creds):
self.__log.send_log_by_ftp(self.__config.ftp_debug,
self.__config.log_directory,
self.__config.ftp_timeout)
self.__send_log_count = 0
else:
self.__send_log_count += 1
def main():
global config
config = class_config()
if fileexists(config.config_filename):
print("will try to read Config File : ", config.config_filename)
config.read_file() # overwrites from file
else: # no file so file needs to be writen
config.write_file()
print(
"New Config File Made with default values, you probably need to edit it"
)
logging.basicConfig(level=logging.INFO)
credentials = auth_helpers.get_assistant_credentials()
with Board() as board, Assistant(credentials) as assistant:
for event in assistant.start():
process_event(assistant, board.led, event)
config = class_config("/home/pi/ftp_creds/ftp_creds.csv", "/var/www/html/",
"log/", 5, 10)
################################
#print("config.ftp_creds_filename : ",config.ftp_creds_filename)
#my_pid = getpid()
#config.prog_path = path.dirname(path.realpath(__file__)) + "/"
#config.prog_name = str(sys_argv[0][:-3])
#print(config.prog_name)
#config.config_filename = config.prog_name + ".cfg"
#config.set_filename(config.config_filename)
#print("config file is : ",config.config_filename)
###############################################
if fileexists(config.config_filename):
print("will try to read Config File : ", config.config_filename)
config.read_file() # overwrites from file
else: # no file so needs to be written
config.write_file()
print("New Config file made")
config.scan_count = 0
example_buffer_width = 11
headings = ["Count", "Val1", "Val2", "Val3", "Val4", "Val5"]
buffer_flag = True
example_buffer = class_text_buffer(100, headings, config.prog_name, config,
buffer_flag)
buffer_increment_flag = True
def pr(self,appnd,ref,log_time,refresh_interval):
here = "buffer.pr for " + self.__config.prog_name
make_values = [" -- "]*self.__width
prtime = datetime.now()
for_screen = log_time.strftime('%d/%m/%Y %H:%M:%S')
# following alternative will show more resolution for fractions of a second
# for_screen = log_time.strftime('%d/%m/%Y %H:%M:%S.%f')
make_values[0] = for_screen
file_start = """<head>
<meta http-equiv="refresh" content="""
file_start = file_start + str(refresh_interval)
file_start = file_start + """ />
</head>
<caption>Rotating Buffer Display</caption>"""
tbl_start = """ <p>
<table style="float: left;" border="1">
<tbody>"""
tbl_start_line = """<tr>"""
tbl_end_line = """</tr>"""
tbl_start_col = """<td>"""
tbl_end_col= """</td>"""
tbl_end = """</tbody>
</table>"""
file_end = """
</body>
</html>"""
try:
for i in range(0,self.__width -1):
make_values[i+1] = str(self.line_values[i])
for_screen = for_screen + " " + str(self.line_values[i])
except:
print("Error in make values in ...buffer.pr for : ",self.__config.prog_name)
print("i,values,len(self.line_value>s),self.__width",i,self.line_values,len(self.line_values),self.__width)
sys_exit()
# print to screen and to status log and update html file
if appnd:
print(" appending : " + self.__config.prog_name + " : " + for_screen)
else:
print("not appending : " + self.__config.prog_name + " : " + for_screen)
self.update_buffer(make_values,appnd,ref)
with open(self.__html_filename,'w') as htmlfile:
htmlfile.write(file_start)
if self.__config.log_buffer_flag:
htmlfile.write('<p>' + self.__html_filename + ' : ' +
make_time_text(datetime.now()) + ' ' +
'<a href= "' + self.__config.log_directory + self.__log.log_filename +
'" target="_blank"> View CSV Log File </a></p>\n<p>')
else:
htmlfile.write("<p>" + self.__html_filename + " : " +
make_time_text(datetime.now()) + "</p>\n<p>")
htmlfile.write(tbl_start + tbl_start_line)
for ind in range(0,len(self.__headings)):
htmlfile.write(tbl_start_col + self.__headings[ind] + tbl_end_col)
htmlfile.write(tbl_end_line)
buffer_dta = self.get_dta()
for ind in range(self.__size):
htmlfile.write(tbl_start_line)
for i in range(self.__width):
htmlfile.write(tbl_start_col + str(buffer_dta[ind][i]) + tbl_end_col)
htmlfile.write(tbl_end_line)
htmlfile.write(tbl_end)
htmlfile.write(file_end)
try:
copyfile(self.__html_filename, self.__www_filename)
except:
print("Not able to copy : ",self.__html_filename, " to ", self.__www_filename)
if fileexists(self.__ftp_creds):
if self.__send_html_count >= 3:
# To debug FTP change end of following line to " = True" !!!!!!!!!!!!
FTP_dbug_flag = False
ftp_result = send_by_ftp(FTP_dbug_flag,self.__ftp_creds, self.__html_filename_save_as, self.__html_filename,"",self.__config.ftp_timeout)
for pres_ind in range(0,len(ftp_result)):
pr(FTP_dbug_flag,here, str(pres_ind) + " : ", ftp_result[pres_ind])
self.__send_html_count = 0
else:
self.__send_html_count += 1
return
