Timestamp into output filename - python

I would like to insert the timestamp into an output filename of a python script, for example: 20011231_230159_md5_filelist.csv
I am having trouble inserting the code.
This is the end of the script whose output filename needs to have a timestamp:
try:
my_last_data = get_md5(file_full_path) + ", " + get_last_write_time(file_full_path) + ", " + get_size(
file_full_path) + ", " + file_full_path + "\n"
with open("md5_filelist.csv", "a") as my_save_file:
my_save_file.write(my_last_data)
print(str(file_full_path) + " ||| Done")
except:
print("Error On " + str(file_full_path))
This is the timestamping code I am battling with (although not sure if it is the best line for the purpose):
timestr = time.strftime("%Y%m%d_%H%M%S")
I tried inserting in various ways, does not work. Any hints?


Thank you to #pm-2ring (see comments), the solution:
timestr = time.strftime("%Y%m%d_%H%M%S")
(timestr + "_md5_filelist.csv", "a")
in the script:
try:
timestr = time.strftime("%Y%m%d_%H%M%S")
my_last_data = get_md5(file_full_path) + ", " + get_last_write_time(file_full_path) + ", " + get_size(
file_full_path) + ", " + file_full_path + "\n"
with open(timestr + "_md5_filelist.csv", "a") as my_save_file:
my_save_file.write(my_last_data)
print(str(file_full_path) + " ||| Done")
except:
print("Error On " + str(file_full_path))


This is all you need.
try:
my_last_data = get_md5(file_full_path) + ", " + get_last_write_time(file_full_path) + ", " + get_size(
file_full_path) + ", " + file_full_path + "\n"
with open("{}md5_filelist.csv".format(timestr), "a") as my_save_file:
my_save_file.write(my_last_data)
print(str(file_full_path) + " ||| Done")
except:
print("Error On " + str(file_full_path))
You were not using timestr anywhere in you code.

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TypeError: mat data type = 19 is not supported

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def R_Write():
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os.remove("draw_data.pgi")
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How to put together datas into a file?

I would like to collect different type of datas into a file. Here is a part of the code.
val = str(float(data[-1]))
val_dB = float(val)
val_dB = math.log(val_dB, 10) * 10
myfile = open('../../../MLI_values/mli_value.txt', 'a')
myfile.write(date_ID + " " + val + val_dB + "\n")
myfile.close()
But it gives back an error:
myfile.write(date_ID + " " + val + val_dB + "\n")
TypeError: cannot concatenate 'str' and 'float' objects
How can I solve it to put them together? (into columns) into a file?

Change:
myfile.write(date_ID + " " + val + val_dB + "\n")
to:
myfile.write(date_ID + " " + val + " " + str(val_dB) + "\n")

How to select specific data from CSV files and display all the data in that row

I'm trying to make a code that shows all the details of specific students. The code takes an input of gender and their class and then shows all their data. For example, if I input "Male" and "10A", I want the code to give me all the data from the students who are male and in class 10A. All their information is stored in a CSV file (called details). My code so far is:
file = open("details.csv","rt")
gender_input = input("Input gender of students")
class_input = input("Input class of students")
for line in file:
details_of_gender = line.split(",")
details_of_class = line.split(",")
gender = str(details_of_gender[7])
class1 = str(details_of_class[8])
if gender == "Male":
if class1 == "10A":
print(details[0] + " " + details[1] + " " + details[2] + " " + details[3] + " " + details[4] + " " + details[5])
if class1 == "10B":
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if gender == "Female":
if class1 == "10A":
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Assuming that your program isn't working just because you're using a variable details that you haven't defined before, here's a better way of doing this:
import csv
with open("details.csv", newline="") as infile:
reader = csv.reader(infile) # use the csv module to read a CSV file!
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Python - Write Header Once - Loop isn't working properly

I am trying to write an "order file" with a Header and Detail Lines. I am successfully getting the order Header to write to file, but only one detail line seems to get written to the file.
for k, v in atlantic_billing.iteritems():
XHORNO = str(digits + counter)
XHCSNO = k
print XHCSNO
machines = v
line = 1
counter = counter + 1
header_written = False
try :
for machine in machines :
XDORNO = XHORNO
XDORSQ = line
line = line + 1
XDITD1 = ranpak_dict[machine]['MODEL']
XDITD2 = ranpak_dict[machine]['SN']
XDCAVC = ranpak_dict[machine]['TOTAL']
print XDORSQ, XDITD1, XDITD2, XDCAVC
if XDCAVC > 0 :
if header_written == False :
with open(XHORNO + ".txt", 'w') as order:
order.write("H01, " + XHORNO + ", " + XHCSNO + "\n")
order.write("D01," + str(XDORSQ) + ", " + ' EQPRANUSER, ' + XDITD1 + ", " + XDITD2 + ", " + XDCAVC + "\n")
else :
order.write("D01," + str(XDORSQ) + ", " + ' EQPRANUSER, ' + XDITD1 + ", " + XDITD2 + ", " + XDCAVC + "\n")
success.append(machine)
header_written = True
except KeyError, e:
issues.append(machine)

When opening the file, you should use the mode "A" else the file will be overwritten at each loop (again and again):
with open(XHORNO + ".txt", 'a') as order:
...
see https://docs.python.org/3/library/functions.html#open
An other option is to take the withblock over the for block.

You need to open the file only once and not inside the loop
for k, v in atlantic_billing.iteritems():
XHORNO = str(digits + counter)
with open(XHORNO + ".txt", 'w') as order: # <--- here you go
XHCSNO = k
print XHCSNO
machines = v
line = 1
counter = counter + 1
header_written = False
try :
for machine in machines :
XDORNO = XHORNO
XDORSQ = line
line = line + 1
XDITD1 = ranpak_dict[machine]['MODEL']
XDITD2 = ranpak_dict[machine]['SN']
XDCAVC = ranpak_dict[machine]['TOTAL']
print XDORSQ, XDITD1, XDITD2, XDCAVC
if XDCAVC > 0 :
if header_written == False :
order.write("H01, " + XHORNO + ", " + XHCSNO + "\n")
order.write("D01," + str(XDORSQ) + ", " + ' EQPRANUSER, ' + XDITD1 + ", " + XDITD2 + ", " + XDCAVC + "\n")
else :
order.write("D01," + str(XDORSQ) + ", " + ' EQPRANUSER, ' + XDITD1 + ", " + XDITD2 + ", " + XDCAVC + "\n")
success.append(machine)
header_written = True
except KeyError, e:
issues.append(machine)

Try this:
for k, v in atlantic_billing.iteritems():
XHORNO = str(digits + counter)
XHCSNO = k
print XHCSNO
machines = v
line = 1
counter = counter + 1
header_written = False
try :
for machine in machines :
XDORNO = XHORNO
XDORSQ = line
line = line + 1
XDITD1 = ranpak_dict[machine]['MODEL']
XDITD2 = ranpak_dict[machine]['SN']
XDCAVC = ranpak_dict[machine]['TOTAL']
print XDORSQ, XDITD1, XDITD2, XDCAVC
if XDCAVC > 0 :
with open(XHORNO + ".txt", 'a') as order:
if header_written == False :
order.write("H01, " + XHORNO + ", " + XHCSNO + "\n")
order.write("D01," + str(XDORSQ) + ", " + ' EQPRANUSER, ' + XDITD1 + ", " + XDITD2 + ", " + XDCAVC + "\n")
header_written = True
else :
order.write("D01," + str(XDORSQ) + ", " + ' EQPRANUSER, ' + XDITD1 + ", " + XDITD2 + ", " + XDCAVC + "\n")
success.append(machine)
except KeyError, e:
issues.append(machine)

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