Re: need to print seconds from the epoch including the millisecond
On Sat, Jan 4, 2014 at 2:33 AM, Grant Edwards invalid@invalid.invalid wrote: time.time() returns a Python float. A Python float will have 16 digits of precision. Perhaps the OS always sets some of those digits to 0 (or even random values), but they're still there. Perhaps the accuracy or granularity of the values returned is problematic on some OSes, but the precision of the value doesn't change: there's no way he's only getting 2 decimal places from time.time() unless (as you mention below) he's printing them using a method that truncates/rounds. If I print out the value float(1.01), I get just three digits. When those trailing digits are all zeroes, they won't be displayed. That's exactly what the OP was seeing. ChrisA -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 2014-01-03, Dave Angel da...@davea.name wrote: On Thu, 2 Jan 2014 16:23:22 + (UTC), Grant Edwards invalid@invalid.invalid wrote: AFAIK, that's irrelevent. time.time() returns a float. On all the CPython implementations I know of, that is a 64-bit IEEE format, which provides 16 decimal digits of precision regardless of the granularity of the system time value. At this point in time, that means 10 digits left of the decimal point and 6 to the right. Correction: no more than about 6 to the right. You can certainly get less, from an os with a smaller resolution. time.time() returns a Python float. A Python float will have 16 digits of precision. Perhaps the OS always sets some of those digits to 0 (or even random values), but they're still there. Perhaps the accuracy or granularity of the values returned is problematic on some OSes, but the precision of the value doesn't change: there's no way he's only getting 2 decimal places from time.time() unless (as you mention below) he's printing them using a method that truncates/rounds. Or you can lose some of what you do get by printing in a sub-optimal way. Yes, depending on how you print the value, you can hide some of the digits. But, there's no way for time.time() to return a value with less than ~16 decimal digits of precicsion. -- Grant Edwards grant.b.edwardsYow! ! Everybody out of at the GENETIC POOL! gmail.com -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 2013-12-26, Steven D'Aprano steve+comp.lang.pyt...@pearwood.info wrote: matt.doolittl...@gmail.com wrote: On Thursday, December 26, 2013 2:22:10 PM UTC-5, Dan Stromberg wrote: On Thu, Dec 26, 2013 at 10:32 AM, matt.doolittl...@gmail.com wrote: i am using 2.7. I need to print the time in seconds from the epoch with millisecond precision. i have tried many things but have failed. [...] In [1]: import time In [2]: time.time() Out[2]: 1388085670.1567955 OK i did what you said but I am only getting 2 decimal places. Why is this and what can I do to get the millisecond? Please show *exactly* what you did. Also please tell us what operating system you are using. It may be that your operating system's clock doesn't provide millisecond precision. AFAIK, that's irrelevent. time.time() returns a float. On all the CPython implementations I know of, that is a 64-bit IEEE format, which provides 16 decimal digits of precision regardless of the granularity of the system time value. At this point in time, that means 10 digits left of the decimal point and 6 to the right. -- Grant Edwards grant.b.edwardsYow! Will the third world at war keep Bosom Buddies gmail.comoff the air? -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Thu, 2 Jan 2014 16:23:22 + (UTC), Grant Edwards invalid@invalid.invalid wrote: AFAIK, that's irrelevent. time.time() returns a float. On all the CPython implementations I know of, that is a 64-bit IEEE format, which provides 16 decimal digits of precision regardless of the granularity of the system time value. At this point in time, that means 10 digits left of the decimal point and 6 to the right. Correction: no more than about 6 to the right. You can certainly get less, from an os with a smaller resolution. Or you can lose some of what you do get by printing in a sub-optimal way. -- DaveA -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Friday, December 27, 2013 7:25:42 PM UTC-5, Cameron Simpson wrote: On 27Dec2013 07:40, matt.doolittl...@gmail.com matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! Repeatedly people have asked you to show your exact code. Still nothing. Here's a clue, from a Gentoo box running kernel 3.2.1-gentoo-r2: $ python Python 2.7.2 (default, Feb 9 2012, 18:40:46) [GCC 4.5.3] on linux2 Type help, copyright, credits or license for more information. import time; print time.time() 1388190100.44 import time; time.time() 1388190102.795531 Please show us _exactly_ what you're doing. I'm guessing that print is confusing you. matt@matt-Inspiron-1525:~$ python Python 2.7.3 (default, Sep 26 2013, 16:38:10) [GCC 4.7.2] on linux2 Type help, copyright, credits or license for more information. import time; print time.time() 1388371148.39 import time; time.time() 1388371173.556624 i get the same result as you expect. so its got to be the write statement that is truncated the decimal places right? -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Friday, December 27, 2013 1:49:54 PM UTC-5, Ned Batchelder wrote:
On 12/27/13 1:09 PM, matt.doolittl...@gmail.com wrote:
On Friday, December 27, 2013 11:27:58 AM UTC-5, Roy Smith wrote:
In article 0c33b7e4-edc9-4e1e-b919-fec210c92...@googlegroups.com,
matt.doolittl...@gmail.com wrote:
I am on Ubuntu 12.10. I am still working with the 2 decimal places.
Sometime ago i had this issue and I forget how i solved it. maybe i used
datetime? thanks!
That's strange. Linux should give you time to the microsecond, or
something in that range.
Please post the *exact* code you're running. The code you posted
earlier is obviously only a fragment of some larger program, so we can
only guess what's happening. Assuming your program is in a file called
prog.py, run the following commands and copy-paste the output:
i cant run it that way. i tried using the python prompt in terminal but
got nothing. but here is all the code relevant to this issue:
#all the imports
import sys
import posixpath
import time
from time import strftime
from datetime import datetime
import os
import wx
import cPickle as pickle
import gnuradio.gr.gr_threading as _threading
#the function that writes the time values
def update(self, field_values):
now = datetime.now()
#logger ---
# new line to write on
self.logfile.write('\n')
# write date, time, and seconds from the epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(time.time()))
# list to store dictionary keys in tis order
keys = [duid, nac, tgid, source, algid, kid]
# loop through the keys in the right order
for k in keys:
# get the value of the current key
f = field_values.get(k, None)
# if data unit has value...
if f:
# output the value with trailing tab
self.logfile.write('%s\t'%(str(f)))
# if data unit doesnt have this value print a tab
else:
self.logfile.write('\t')
#end logger
#if the field 'duid' == 'hdu', then clear fields
if field_values['duid'] == 'hdu':
self.clear()
elif field_values['duid'] == 'ldu1':
self.clear()
elif field_values['duid'] == 'ldu2':
self.clear()
#elif field_values['duid'] == 'tdu':
# self.clear()
#loop through all TextCtrl fields storing the key/value pairs in
k, v
for k,v in self.fields.items():
# get the dict value for this TextCtrl
f = field_values.get(k, None)
# if the value is empty then set the new value
if f:
v.SetValue(f)
#sample output in a .txt file:
2013-12-27 12:07:331388164053.18
2013-12-27 12:07:331388164053.36
2013-12-27 12:07:331388164053.54
2013-12-27 12:07:331388164053.73
2013-12-27 12:07:331388164053.91
2013-12-27 12:07:341388164054.11
2013-12-27 12:07:341388164054.28
2013-12-27 12:07:341388164054.48
2013-12-27 12:07:341388164054.66
2013-12-27 12:07:341388164054.84
2013-12-27 12:07:371388164057.62
2013-12-27 12:07:371388164057.81
2013-12-27 12:07:371388164057.99
2013-12-27 12:07:381388164058.18
2013-12-27 12:07:381388164058.37
2013-12-27 12:07:381388164058.54
2013-12-27 12:07:381388164058.73
2013-12-27 12:07:381388164058.92
Thanks!
Instead of:
%s % time.time()
try:
%.6f % time.time()
%.6f is a formatting code meaning, floating-point number, 6 decimal places.
--
Ned Batchelder, http://nedbatchelder.com
thanks a bunch. the %.6f was the cure. can you please point me to the doc
for formatting time? Thanks!
--
https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 12/29/13 9:44 PM, matt.doolittl...@gmail.com wrote: On Friday, December 27, 2013 7:25:42 PM UTC-5, Cameron Simpson wrote: On 27Dec2013 07:40, matt.doolittl...@gmail.com matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! Repeatedly people have asked you to show your exact code. Still nothing. Here's a clue, from a Gentoo box running kernel 3.2.1-gentoo-r2: $ python Python 2.7.2 (default, Feb 9 2012, 18:40:46) [GCC 4.5.3] on linux2 Type help, copyright, credits or license for more information. import time; print time.time() 1388190100.44 import time; time.time() 1388190102.795531 Please show us _exactly_ what you're doing. I'm guessing that print is confusing you. matt@matt-Inspiron-1525:~$ python Python 2.7.3 (default, Sep 26 2013, 16:38:10) [GCC 4.7.2] on linux2 Type help, copyright, credits or license for more information. import time; print time.time() 1388371148.39 import time; time.time() 1388371173.556624 i get the same result as you expect. so its got to be the write statement that is truncated the decimal places right? Objects in Python have two different ways to produce a string of themselves, known as the str() and the repr(). A float's str() includes two decimal points of precision, its repr() includes as many as you'd need to reproduce the float again. The print statement implicitly uses the str(), the interactive interpreter uses the repr(). Luckily, you can decide how to format the float yourself: import time time.time() 1388407706.617985 print time.time() 1388407709.21 print %.3f % time.time() 1388407716.377 print %.4f % time.time() 1388407726.1001 BTW, I said something very similar in this thread 2.5 days ago: https://mail.python.org/pipermail/python-list/2013-December/663454.html I get the feeling not all messages are flowing to all places. -- Ned Batchelder, http://nedbatchelder.com -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 12/30/13 7:50 AM, Ned Batchelder wrote: BTW, I said something very similar in this thread 2.5 days ago: https://mail.python.org/pipermail/python-list/2013-December/663454.html I get the feeling not all messages are flowing to all places. Oops, and now Matt's reply to that message has just arrived! Sorry for the noise. -- Ned Batchelder, http://nedbatchelder.com -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Monday, December 30, 2013 8:01:21 AM UTC-5, Ned Batchelder wrote:
On 12/30/13 7:50 AM, Ned Batchelder wrote:
BTW, I said something very similar in this thread 2.5 days ago:
https://mail.python.org/pipermail/python-list/2013-December/663454.html
I get the feeling not all messages are flowing to all places.
Oops, and now Matt's reply to that message has just arrived! Sorry for
the noise.
--
Ned Batchelder, http://nedbatchelder.com
the formatting:
self.logfile.write('%.6f\t'%(time.time()))
fixed it. thank you very much.
--
https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 30/12/2013 12:16, matt.doolittl...@gmail.com wrote:
On Friday, December 27, 2013 1:49:54 PM UTC-5, Ned Batchelder wrote:
On 12/27/13 1:09 PM, matt.doolittl...@gmail.com wrote:
On Friday, December 27, 2013 11:27:58 AM UTC-5, Roy Smith wrote:
In article 0c33b7e4-edc9-4e1e-b919-fec210c92...@googlegroups.com,
matt.doolittl...@gmail.com wrote:
I am on Ubuntu 12.10. I am still working with the 2 decimal places.
Sometime ago i had this issue and I forget how i solved it. maybe i used
datetime? thanks!
That's strange. Linux should give you time to the microsecond, or
something in that range.
Please post the *exact* code you're running. The code you posted
earlier is obviously only a fragment of some larger program, so we can
only guess what's happening. Assuming your program is in a file called
prog.py, run the following commands and copy-paste the output:
i cant run it that way. i tried using the python prompt in terminal but got
nothing. but here is all the code relevant to this issue:
#all the imports
import sys
import posixpath
import time
from time import strftime
from datetime import datetime
import os
import wx
import cPickle as pickle
import gnuradio.gr.gr_threading as _threading
#the function that writes the time values
def update(self, field_values):
now = datetime.now()
#logger ---
# new line to write on
self.logfile.write('\n')
# write date, time, and seconds from the epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(time.time()))
# list to store dictionary keys in tis order
keys = [duid, nac, tgid, source, algid, kid]
# loop through the keys in the right order
for k in keys:
# get the value of the current key
f = field_values.get(k, None)
# if data unit has value...
if f:
# output the value with trailing tab
self.logfile.write('%s\t'%(str(f)))
# if data unit doesnt have this value print a tab
else:
self.logfile.write('\t')
#end logger
#if the field 'duid' == 'hdu', then clear fields
if field_values['duid'] == 'hdu':
self.clear()
elif field_values['duid'] == 'ldu1':
self.clear()
elif field_values['duid'] == 'ldu2':
self.clear()
#elif field_values['duid'] == 'tdu':
# self.clear()
#loop through all TextCtrl fields storing the key/value pairs in k, v
for k,v in self.fields.items():
# get the dict value for this TextCtrl
f = field_values.get(k, None)
# if the value is empty then set the new value
if f:
v.SetValue(f)
#sample output in a .txt file:
2013-12-27 12:07:331388164053.18
2013-12-27 12:07:331388164053.36
2013-12-27 12:07:331388164053.54
2013-12-27 12:07:331388164053.73
2013-12-27 12:07:331388164053.91
2013-12-27 12:07:341388164054.11
2013-12-27 12:07:341388164054.28
2013-12-27 12:07:341388164054.48
2013-12-27 12:07:341388164054.66
2013-12-27 12:07:341388164054.84
2013-12-27 12:07:371388164057.62
2013-12-27 12:07:371388164057.81
2013-12-27 12:07:371388164057.99
2013-12-27 12:07:381388164058.18
2013-12-27 12:07:381388164058.37
2013-12-27 12:07:381388164058.54
2013-12-27 12:07:381388164058.73
2013-12-27 12:07:381388164058.92
Thanks!
Instead of:
%s % time.time()
try:
%.6f % time.time()
%.6f is a formatting code meaning, floating-point number, 6 decimal places.
--
Ned Batchelder, http://nedbatchelder.com
thanks a bunch. the %.6f was the cure. can you please point me to the doc
for formatting time? Thanks!
Would you please read and action this
https://wiki.python.org/moin/GoogleGroupsPython to prevent us seeing the
double line spacing above, thanks.
--
My fellow Pythonistas, ask not what our language can do for you, ask
what you can do for our language.
Mark Lawrence
--
https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
In article mailman.4714.1388407860.18130.python-l...@python.org, Ned Batchelder n...@nedbatchelder.com wrote: A float's str() includes two decimal points of precision It's actually weirder than that. What str() appears to do is print some variable number of digits after the decimal place, depending on the magnitude of the number, and then flips over to exponential notation at some point. All of this is in line with str()'s intent, which is to produce a human-friendly string: for i in range(15): f = 10**i + 0.123456789 print %-20s %-20s % (str(f), repr(f)) $ python float.py 1.123456789 1.123456789 10.123456789 10.123456789 100.123456789100.123456789 1000.123456791000.123456789 1.12345681.123456789 10.12345710.123456789 100.12346100.123456789 1000.12351000.12345679 1.1231.12345679 10.1210.1234568 100.1100.123457 1e+111000.12346 1e+121.1234 1e+1310.123 1e+14100.12 It just happens that for the range of values time.time() is returning these days, two decimal digits is what you get. Unix time rolled over to this many digits on time.ctime(9) 'Sat Sep 8 21:46:39 2001' so before then, str(time.time()) would have (presumably) generated 3 decimal digits. Note that repr() also adjusts the number of digits after the decimal place, but this is because it's run out of available hardware precision (IEEE double precision is about 16 decimal digits). Also note that while repr() is smart enough to stop when it runs out of bits, the %f format specifier isn't: f = 10.123456789 repr(f) '10.123' %.6f % f '10.123047' [Ned, again] Luckily, you can decide how to format the float yourself: [...] print %.4f % time.time() 1388407726.1001 The problem here is that you have no guarantee here that all those digits are meaningful. I'm not sure what would happen on a machine where the system clock only gives centisecond precision. I would like to think %.4f % time.time() would always produce a string with 4 digits after the decimal point, the last two of which were guaranteed to be 0. But not having such a box handy to test, that's just a conjecture. A much more pathological case would be that it produces random garbage for the extra digits, which would make it appear that you were getting more time precision than you really were. All of which is a good reason to avoid raw timestamps and use datetime. With a datatime object, somebody else has already worried about these things for you. PS: all the above examples were done with Python 2.7.1 on OSX 10.7. -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 30/12/2013 12:16, matt.doolittl...@gmail.com wrote: thanks a bunch. the %.6f was the cure. can you please point me to the doc for formatting time? Thanks! Would you please read and action this https://wiki.python.org/moin/GoogleGroupsPython to prevent us seeing the double line spacing above, thanks. You might consider either turning off an option in your news client for including message in reply and/or snipping all but a few lines for context to prevent us from seeing the double line spacing all over again :-) -- Stanley C. Kitching Human Being Phoenix, Arizona -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 30/12/2013 17:07, Cousin Stanley wrote: On 30/12/2013 12:16, matt.doolittl...@gmail.com wrote: thanks a bunch. the %.6f was the cure. can you please point me to the doc for formatting time? Thanks! Would you please read and action this https://wiki.python.org/moin/GoogleGroupsPython to prevent us seeing the double line spacing above, thanks. You might consider either turning off an option in your news client for including message in reply and/or snipping all but a few lines for context to prevent us from seeing the double line spacing all over again :-) Great idea, but one slight snag is the poster then doesn't see how many newlines they've managed to insert using their superb tool. -- My fellow Pythonistas, ask not what our language can do for you, ask what you can do for our language. Mark Lawrence -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
You might consider either turning off an option in your news client for including message in reply and/or snipping all but a few lines for context to prevent us from seeing the double line spacing all over again :-) Great idea, but one slight snag is the poster then doesn't see how many newlines they've managed to insert using their superb tool. A few lines to illustrate along with your standard reference might be enough https://wiki.python.org/moin/GoogleGroupsPython I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! -- Stanley C. Kitching Human Being Phoenix, Arizona -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
Mark Lawrence wrote: On 30/12/2013 17:07, Cousin Stanley wrote: [...] Would you please read and action this https://wiki.python.org/moin/GoogleGroupsPython to prevent us seeing the double line spacing above, thanks. You might consider either turning off an option in your news client for including message in reply and/or snipping all but a few lines for context to prevent us from seeing the double line spacing all over again :-) Great idea, Yes it is. It's a bloody brilliant idea. If only there were some sort of delete or backspace key on the keyboard that would allow the person replying to trim or snip excess quoting... but one slight snag is the poster then doesn't see how many newlines they've managed to insert using their superb tool. So what? Chances are that Google Groups will cleverly hide the quoting from them anyway, which means that you're not demonstrating the problem to them, you're just spamming the group with double-spaced, excessively quoted, irrelevant text. Even if they see the quoted text, half a dozen lines is more than enough to demonstrate the problem to any reasonable person, they can extrapolate from that. If half a dozen quoted lines isn't enough to persuade them to read the link, a million lines won't be. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Thursday, December 26, 2013 8:29:15 PM UTC-5, Roy Smith wrote: In article 59aa73ac-e06e-4c0e-83a4-147ac42ca...@googlegroups.com, matt.doolittl...@gmail.com wrote: In [1]: import time In [2]: time.time() Out[2]: 1388085670.1567955 OK i did what you said but I am only getting 2 decimal places. Why is this and what can I do to get the millisecond? What operating system are you on? The Python time routines can only return as much precision as the operating system makes available. I use Ubuntu 12.10. Thanks! -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
I pretty much stopped using Windows 4 years ago. I got off the plantation over a year ago and have not looked back. -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Thursday, December 26, 2013 11:54:41 PM UTC-5, Dave Angel wrote: On Thu, 26 Dec 2013 20:03:34 -0500, Terry Reedy tjre...@udel.edu wrote: On 12/26/2013 5:48 PM, Dave Angel wrote: You're probably on Windows, which does time differently. With 3.3 and 3.4 on Windows 7, time.time() gives 6 fractional digits. import time; time.time() 1388105935.971099 With 2.7, same machine, I only get 3. The way I recall it, Windows time is a mess. To get better than 10 ms resolution you needed to use time.clock, but that isn't epoch time. Trickier solutions existed, depending on exactly what the problem was. But judging from your test, 3.3 built those gyrations into the stdlib. I dunno, I pretty much stopped using Windows 4 years ago. -- DaveA I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Fri, 27 Dec 2013 07:40:29 -0800 (PST), matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! Now I'm stumped. 2.7.3 on Ubuntu 12.04 and time.time gives me 6 decimals. Of course it's a float, so you could get more or fewer. But if you're only seeing 2, something else is different. -- DaveA -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
In article 0c33b7e4-edc9-4e1e-b919-fec210c92...@googlegroups.com, matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! That's strange. Linux should give you time to the microsecond, or something in that range. Please post the *exact* code you're running. The code you posted earlier is obviously only a fragment of some larger program, so we can only guess what's happening. Assuming your program is in a file called prog.py, run the following commands and copy-paste the output: cat /etc/lsb-release uname -a python --version cat prog.py python prog.py -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Friday, December 27, 2013 11:27:58 AM UTC-5, Roy Smith wrote:
In article 0c33b7e4-edc9-4e1e-b919-fec210c92...@googlegroups.com,
matt.doolittl...@gmail.com wrote:
I am on Ubuntu 12.10. I am still working with the 2 decimal places.
Sometime ago i had this issue and I forget how i solved it. maybe i used
datetime? thanks!
That's strange. Linux should give you time to the microsecond, or
something in that range.
Please post the *exact* code you're running. The code you posted
earlier is obviously only a fragment of some larger program, so we can
only guess what's happening. Assuming your program is in a file called
prog.py, run the following commands and copy-paste the output:
i cant run it that way. i tried using the python prompt in terminal but got
nothing. but here is all the code relevant to this issue:
#all the imports
import sys
import posixpath
import time
from time import strftime
from datetime import datetime
import os
import wx
import cPickle as pickle
import gnuradio.gr.gr_threading as _threading
#the function that writes the time values
def update(self, field_values):
now = datetime.now()
#logger ---
# new line to write on
self.logfile.write('\n')
# write date, time, and seconds from the epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(time.time()))
# list to store dictionary keys in tis order
keys = [duid, nac, tgid, source, algid, kid]
# loop through the keys in the right order
for k in keys:
# get the value of the current key
f = field_values.get(k, None)
# if data unit has value...
if f:
# output the value with trailing tab
self.logfile.write('%s\t'%(str(f)))
# if data unit doesnt have this value print a tab
else:
self.logfile.write('\t')
#end logger
#if the field 'duid' == 'hdu', then clear fields
if field_values['duid'] == 'hdu':
self.clear()
elif field_values['duid'] == 'ldu1':
self.clear()
elif field_values['duid'] == 'ldu2':
self.clear()
#elif field_values['duid'] == 'tdu':
# self.clear()
#loop through all TextCtrl fields storing the key/value pairs in k, v
for k,v in self.fields.items():
# get the dict value for this TextCtrl
f = field_values.get(k, None)
# if the value is empty then set the new value
if f:
v.SetValue(f)
#sample output in a .txt file:
2013-12-27 12:07:331388164053.18
2013-12-27 12:07:331388164053.36
2013-12-27 12:07:331388164053.54
2013-12-27 12:07:331388164053.73
2013-12-27 12:07:331388164053.91
2013-12-27 12:07:341388164054.11
2013-12-27 12:07:341388164054.28
2013-12-27 12:07:341388164054.48
2013-12-27 12:07:341388164054.66
2013-12-27 12:07:341388164054.84
2013-12-27 12:07:371388164057.62
2013-12-27 12:07:371388164057.81
2013-12-27 12:07:371388164057.99
2013-12-27 12:07:381388164058.18
2013-12-27 12:07:381388164058.37
2013-12-27 12:07:381388164058.54
2013-12-27 12:07:381388164058.73
2013-12-27 12:07:381388164058.92
Thanks!
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Re: need to print seconds from the epoch including the millisecond
On 12/27/13 1:09 PM, matt.doolittl...@gmail.com wrote:
On Friday, December 27, 2013 11:27:58 AM UTC-5, Roy Smith wrote:
In article 0c33b7e4-edc9-4e1e-b919-fec210c92...@googlegroups.com,
matt.doolittl...@gmail.com wrote:
I am on Ubuntu 12.10. I am still working with the 2 decimal places.
Sometime ago i had this issue and I forget how i solved it. maybe i used
datetime? thanks!
That's strange. Linux should give you time to the microsecond, or
something in that range.
Please post the *exact* code you're running. The code you posted
earlier is obviously only a fragment of some larger program, so we can
only guess what's happening. Assuming your program is in a file called
prog.py, run the following commands and copy-paste the output:
i cant run it that way. i tried using the python prompt in terminal but got
nothing. but here is all the code relevant to this issue:
#all the imports
import sys
import posixpath
import time
from time import strftime
from datetime import datetime
import os
import wx
import cPickle as pickle
import gnuradio.gr.gr_threading as _threading
#the function that writes the time values
def update(self, field_values):
now = datetime.now()
#logger ---
# new line to write on
self.logfile.write('\n')
# write date, time, and seconds from the epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(time.time()))
# list to store dictionary keys in tis order
keys = [duid, nac, tgid, source, algid, kid]
# loop through the keys in the right order
for k in keys:
# get the value of the current key
f = field_values.get(k, None)
# if data unit has value...
if f:
# output the value with trailing tab
self.logfile.write('%s\t'%(str(f)))
# if data unit doesnt have this value print a tab
else:
self.logfile.write('\t')
#end logger
#if the field 'duid' == 'hdu', then clear fields
if field_values['duid'] == 'hdu':
self.clear()
elif field_values['duid'] == 'ldu1':
self.clear()
elif field_values['duid'] == 'ldu2':
self.clear()
#elif field_values['duid'] == 'tdu':
# self.clear()
#loop through all TextCtrl fields storing the key/value pairs in k, v
for k,v in self.fields.items():
# get the dict value for this TextCtrl
f = field_values.get(k, None)
# if the value is empty then set the new value
if f:
v.SetValue(f)
#sample output in a .txt file:
2013-12-27 12:07:331388164053.18
2013-12-27 12:07:331388164053.36
2013-12-27 12:07:331388164053.54
2013-12-27 12:07:331388164053.73
2013-12-27 12:07:331388164053.91
2013-12-27 12:07:341388164054.11
2013-12-27 12:07:341388164054.28
2013-12-27 12:07:341388164054.48
2013-12-27 12:07:341388164054.66
2013-12-27 12:07:341388164054.84
2013-12-27 12:07:371388164057.62
2013-12-27 12:07:371388164057.81
2013-12-27 12:07:371388164057.99
2013-12-27 12:07:381388164058.18
2013-12-27 12:07:381388164058.37
2013-12-27 12:07:381388164058.54
2013-12-27 12:07:381388164058.73
2013-12-27 12:07:381388164058.92
Thanks!
Instead of:
%s % time.time()
try:
%.6f % time.time()
%.6f is a formatting code meaning, floating-point number, 6 decimal places.
--
Ned Batchelder, http://nedbatchelder.com
--
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Re: need to print seconds from the epoch including the millisecond
In article 1db0d993-9d2d-46af-9ee8-69d9250dc...@googlegroups.com,
matt.doolittl...@gmail.com wrote:
Please post the *exact* code you're running. The code you posted
earlier is obviously only a fragment of some larger program, so we can
only guess what's happening. Assuming your program is in a file called
prog.py, run the following commands and copy-paste the output:
i cant run it that way. i tried using the python prompt in terminal but got
nothing.
Why can't you run it that way? What does got nothing mean? Did you
just get another shell prompt back with no output? Did your shell
window close? Did the machine crash?
I asked you to run these commands:
cat /etc/lsb-release
uname -a
python --version
Did you run them? What output did you get? I know it seems silly, but
it really is important that people know exactly what your environment
is. The less information we have, the harder it is to figure out what's
going on.
but here is all the code relevant to this issue:
Well, you've got a lot of code there. What you want to do is reduce
this down to the smallest possible amount of code which demonstrates the
problem.
I can't even begin to run your code here because I don't have gnuradio
installed. It's almost certainly not necessary to demonstrate the
problem (nor are posixpath, cPickle, wx, etc), but I can already see
that as soon as I delete those, I'll run up against the next problem,
which is that update() is a method of a class and I don't have the rest
of that class.
Let's take this one step at a time. You've got:
self.logfile.write('%s\t'%(time.time()))
which is apparently causing, 1388164053.18, to end up in your output
file. The question is, why are there only two digits after the decimal
place? Possible causes:
1) Your version of time.time() is returning a float which is only
precise to the centisecond.
2) Your version of string's %s operator is only converting floats to two
decimal places.
3) Your self.logfile.write() method is taking the string it was given
and stripping off all the digits beyond two after the decimal point.
All of those seem about equally unlikely, so just start to eliminate
them one by one. What happens if you do:
self.logfile.write(1388164053.183454)
What happens if you do:
t = time.time()
self.logfile.write(str=%s, repr=%s, (str(t), repr(t)))
what happens if you get rid of the whole self.logfile.write() thing and
just use print? If you're working in some environment where stdout gets
redirected somewhere that you can't find, bypass stdout completely:
my_file = open(/tmp/foo, w)
print my_file, time.time()
and then go look and see what got dropped into /tmp/foo.
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Re: need to print seconds from the epoch including the millisecond
In article roy-4a275d.13503227122...@news.panix.com, Roy Smith r...@panix.com wrote: self.logfile.write(str=%s, repr=%s, (str(t), repr(t))) Ugh, make that: self.logfile.write(str=%s, repr=%s % ((str(t), repr(t))) -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 27Dec2013 07:40, matt.doolittl...@gmail.com matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! Repeatedly people have asked you to show your exact code. Still nothing. Here's a clue, from a Gentoo box running kernel 3.2.1-gentoo-r2: $ python Python 2.7.2 (default, Feb 9 2012, 18:40:46) [GCC 4.5.3] on linux2 Type help, copyright, credits or license for more information. import time; print time.time() 1388190100.44 import time; time.time() 1388190102.795531 Please show us _exactly_ what you're doing. I'm guessing that print is confusing you. Cheers, -- Cameron Simpson c...@zip.com.au Try moving off NT easily. You can move from Solaris to HP/UX to AIX or DEC easily-- relative to moving off of NT, which is like a Roach Motel. Once you check in, you never check out. - Scott McNealy, Sun Microsystems -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
matt.doolittl...@gmail.com wrote: I need to print the time in seconds from the epoch with millisecond precision. I wrote: What happens if you do: t = time.time() self.logfile.write(str=%s, repr=%s, (str(t), repr(t))) At the time I originally posted that, I was baffled as to what was going on and was simply feeding you suggestions for how to go about debugging the problem logically. However, I have since figured out exactly what's going on. I'm going to do you a favor and NOT tell you what I've figured out (because you won't learn anything that way), but I will give you a hint. The hint is that if you run the two lines of code I suggested above, the answer should be obvious. And, once you do that, please report your findings back to us, because it's a fun little quirk of Python and one that I suspect has tripped up more than a few people over time. In fact, I seem to recall being mystified by this myself once. -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 12/27/13 7:25 PM, Cameron Simpson wrote: On 27Dec2013 07:40, matt.doolittl...@gmail.com matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! Repeatedly people have asked you to show your exact code. Still nothing. Is something wrong with the connectivity of this list? Matt posted his code about six hours before your message. -- Ned Batchelder, http://nedbatchelder.com -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Fri, 27 Dec 2013 21:10:49 -0500, Ned Batchelder wrote: On 12/27/13 7:25 PM, Cameron Simpson wrote: On 27Dec2013 07:40, matt.doolittl...@gmail.com matt.doolittl...@gmail.com wrote: I am on Ubuntu 12.10. I am still working with the 2 decimal places. Sometime ago i had this issue and I forget how i solved it. maybe i used datetime? thanks! Repeatedly people have asked you to show your exact code. Still nothing. Is something wrong with the connectivity of this list? Matt posted his code about six hours before your message. Methinks too many people have been hitting the Christmas eggnog a little harder than is wise... :-) -- Steven -- https://mail.python.org/mailman/listinfo/python-list
need to print seconds from the epoch including the millisecond
i am using 2.7. I need to print the time in seconds from the epoch with
millisecond precision. i have tried many things but have failed. heres my
latest:
from time import time, strftime
from datetime import datetime, time
# write date, time, then seconds from epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(now.time()))
what am i doing wrong? what should i be doing here? Thanks!
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Re: need to print seconds from the epoch including the millisecond
On Thu, Dec 26, 2013 at 10:32 AM, matt.doolittl...@gmail.com wrote:
i am using 2.7. I need to print the time in seconds from the epoch with
millisecond precision. i have tried many things but have failed. heres my
latest:
from time import time, strftime
from datetime import datetime, time
# write date, time, then seconds from epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(now.time()))
In [1]: import time
In [2]: time.time()
Out[2]: 1388085670.1567955
HTH
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Re: need to print seconds from the epoch including the millisecond
On Thursday, December 26, 2013 2:22:10 PM UTC-5, Dan Stromberg wrote:
On Thu, Dec 26, 2013 at 10:32 AM, matt.doolittl...@gmail.com wrote:
i am using 2.7. I need to print the time in seconds from the epoch with
millisecond precision. i have tried many things but have failed. heres my
latest:
from time import time, strftime
from datetime import datetime, time
# write date, time, then seconds from epoch
self.logfile.write('%s\t'%(strftime(%Y-%m-%d,)))
self.logfile.write('%s\t'%(now.strftime(%H:%M:%S,)))
self.logfile.write('%s\t'%(now.time()))
In [1]: import time
In [2]: time.time()
Out[2]: 1388085670.1567955
HTH
OK i did what you said but I am only getting 2 decimal places.
Why is this and what can I do to get the millisecond?
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Re: need to print seconds from the epoch including the millisecond
matt.doolittl...@gmail.com wrote: On Thursday, December 26, 2013 2:22:10 PM UTC-5, Dan Stromberg wrote: On Thu, Dec 26, 2013 at 10:32 AM, matt.doolittl...@gmail.com wrote: i am using 2.7. I need to print the time in seconds from the epoch with millisecond precision. i have tried many things but have failed. [...] In [1]: import time In [2]: time.time() Out[2]: 1388085670.1567955 OK i did what you said but I am only getting 2 decimal places. Why is this and what can I do to get the millisecond? Please show *exactly* what you did. Also please tell us what operating system you are using. It may be that your operating system's clock doesn't provide millisecond precision. -- Steven -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Thu, 26 Dec 2013 14:06:17 -0800 (PST), matt.doolittl...@gmail.com wrote: On Thursday, December 26, 2013 2:22:10 PM UTC-5, Dan Stromberg wrote: In [1]: import time In [2]: time.time() Out[2]: 1388085670.1567955 OK i did what you said but I am only getting 2 decimal places. You're probably on Windows, which does time differently. Specify your os version and python version and somebody will probably know. -- DaveA -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On 12/26/2013 5:48 PM, Dave Angel wrote: On Thu, 26 Dec 2013 14:06:17 -0800 (PST), matt.doolittl...@gmail.com wrote: On Thursday, December 26, 2013 2:22:10 PM UTC-5, Dan Stromberg wrote: In [1]: import time In [2]: time.time() Out[2]: 1388085670.1567955 OK i did what you said but I am only getting 2 decimal places. You're probably on Windows, which does time differently. With 3.3 and 3.4 on Windows 7, time.time() gives 6 fractional digits. import time; time.time() 1388105935.971099 Specify your os version and python version and somebody will probably know. With 2.7, same machine, I only get 3. -- Terry Jan Reedy -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
In article 59aa73ac-e06e-4c0e-83a4-147ac42ca...@googlegroups.com, matt.doolittl...@gmail.com wrote: In [1]: import time In [2]: time.time() Out[2]: 1388085670.1567955 OK i did what you said but I am only getting 2 decimal places. Why is this and what can I do to get the millisecond? What operating system are you on? The Python time routines can only return as much precision as the operating system makes available. -- https://mail.python.org/mailman/listinfo/python-list
Re: need to print seconds from the epoch including the millisecond
On Thu, 26 Dec 2013 20:03:34 -0500, Terry Reedy tjre...@udel.edu wrote: On 12/26/2013 5:48 PM, Dave Angel wrote: You're probably on Windows, which does time differently. With 3.3 and 3.4 on Windows 7, time.time() gives 6 fractional digits. import time; time.time() 1388105935.971099 With 2.7, same machine, I only get 3. The way I recall it, Windows time is a mess. To get better than 10 ms resolution you needed to use time.clock, but that isn't epoch time. Trickier solutions existed, depending on exactly what the problem was. But judging from your test, 3.3 built those gyrations into the stdlib. I dunno, I pretty much stopped using Windows 4 years ago. -- DaveA -- https://mail.python.org/mailman/listinfo/python-list
