Re: Setting the time in Win7

On 2011-08-23 02:26:38 -0600, Tim Golden said: On 22/08/2011 20:42, Bob Greschke wrote: Several people have been hacking away on this computer we are testing on, so I'm not sure what settings -- other than all of them -- have been messed with, but popen("time ...") seems to w

Re: Setting the time in Win7

ge generally. Sorry; I'm a bit rushed at the moment. Feel free to post back if that isn't clear TJG On 22/08/2011 17:35, Bob Greschke wrote: Permissions! We're running in an account as an administrator (the only account on the laptops) and the program just calls system(time )

Re: Setting the time in Win7

ePrivilege generally. Sorry; I'm a bit rushed at the moment. Feel free to post back if that isn't clear TJG On 22/08/2011 17:35, Bob Greschke wrote: Permissions! We're running in an account as an administrator (the only account on the laptops) and the program just calls system(t

Setting the time in Win7

Permissions! We're running in an account as an administrator (the only account on the laptops) and the program just calls system(time ) and system(date ) after reading it from a connected GPS receiver. I've fiddled with everything I could find in the registry and with the secpol.msc

Re: Windows and My Documents

On 2010-06-03 09:57:11 -0600, Tim Golden said: On 03/06/2010 16:39, Bob Greschke wrote: How do I do a "listdir" (or whatever I need to use) of the Desktop on a Windows machine and have "folders" like My Documents show up in the result? I'm specifically trying to ge

Windows and My Documents

I know this must have been asked before, but today Google is not my friend. How do I do a "listdir" (or whatever I need to use) of the Desktop on a Windows machine and have "folders" like My Documents show up in the result? I'm specifically trying to get a link to VMWare Shared Folders to sho

Re: List of disk drives on Windows?

On 2008-05-20 13:18:08 -0600, Bob Greschke <[EMAIL PROTECTED]> said: This MUST have been asked before, but I can't seem to Google the right thing.  How can I get a list of drives on a Windows box, like ["C:\", "D:\"], like I can if I do something like listdir

List of disk drives on Windows?

This MUST have been asked before, but I can't seem to Google the right thing.  How can I get a list of drives on a Windows box, like ["C:\", "D:\"], like I can if I do something like listdir("/Volumes") on a Mac? Thanks! Bob -- http://mail.python.org/mailman/listinfo/python-list

Re: 2's complement conversion. Is this right?

On 2008-04-21 17:06:39 -0600, Bob Greschke <[EMAIL PROTECTED]> said: On 2008-04-21 16:51:13 -0600, Bob Greschke <[EMAIL PROTECTED]> said: JUST COMPLETELY IGNORE THAT LAST ONE. What a dope. Here: #! /usr/bin/env python from os import system from struct import unpack print "

Re: 2's complement conversion. Is this right?

On 2008-04-21 16:51:13 -0600, Bob Greschke <[EMAIL PROTECTED]> said: JUST COMPLETELY IGNORE THAT LAST ONE. What a dope. Here: #! /usr/bin/env python from os import system from struct import unpack print "unpack 1" system("date") for x in xrange(0, 1): V

Re: 2's complement conversion. Is this right?

Something is fishy. I just ran this simple-minded thing and I'm, again, getting better times for ord() than I am for unpack() on a 2.8GHz OSX iMac with 2.5.1. This is the iterate so many times you can use your wristwatch method: #! /usr/bin/env python from os import system from struct

Re: 2's complement conversion. Is this right?

, Ross Ridge <[EMAIL PROTECTED]> >>> wrote: >> >>>> Ross Ridge <[EMAIL PROTECTED]> said: >> >>>>> If you have Python 2.5, here's a faster version: >> >>>>> from struct import * >>>>> unpa

Re: 2's complement conversion. Is this right?

> > > www.greschke.com/unlinked/files/pocus.png > > > Darnit. www.greschke.com/unlinked/images/pocus.png -- http://mail.python.org/mailman/listinfo/python-list

Re: 2's complement conversion. Is this right?

On 2008-04-18 21:33:34 -0600, Grant Edwards <[EMAIL PROTECTED]> said: > On 2008-04-18, Bob Greschke <[EMAIL PROTECTED]> wrote: > >> I'm on a Solaris 8 with Python 2.3.4 and when crunching >> through, literally, millions and millions of samples of >> seis

Re: 2's complement conversion. Is this right?

On 2008-04-18 23:35:12 -0600, Ivan Illarionov <[EMAIL PROTECTED]> said: > On Sat, 19 Apr 2008 04:45:54 +, Ivan Illarionov wrote: > >> On Fri, 18 Apr 2008 22:30:45 -0500, Grant Edwards wrote: >> >>> On 2008-04-18, Bob Greschke <[EMAIL PROTECTED]> wrot

Re: 2's complement conversion. Is this right?

On 2008-04-18 17:55:32 -0600, Ross Ridge <[EMAIL PROTECTED]> said: > George Sakkis <[EMAIL PROTECTED]> wrote: >> You'd better use a more precise timing method than finger counting, >> such as timeit. Twice as fast is probably a gross overestimation; on >> my box (Python 2.5, WinXP) avoiding unpa

Re: 2's complement conversion. Is this right?

On 2008-04-18 16:04:37 -0600, George Sakkis <[EMAIL PROTECTED]> said: > On Apr 18, 5:26 pm, Bob Greschke <[EMAIL PROTECTED]> wrote: > >> On 2008-04-18 14:37:21 -0600, Ross Ridge >> <[EMAIL PROTECTED]> said: >> >> >> >>> Bob Gresc

Re: 2's complement conversion. Is this right?

On 2008-04-18 14:37:21 -0600, Ross Ridge <[EMAIL PROTECTED]> said: > Bob Greschke <[EMAIL PROTECTED]> wrote: >> I'm reading 3-byte numbers from a file and they are signed (+8 to >> -8million). This seems to work, but I'm not sure it's right. >&

2's complement conversion. Is this right?

I'm reading 3-byte numbers from a file and they are signed (+8 to -8million). This seems to work, but I'm not sure it's right. # Convert the 3-characters into a number. Value1, Value2, Value3 = unpack(">BBB", Buffer[s:s+3]) Value = (Value1*65536)+(Value2*256)+Value3 if Value >= 0

Python on Intel A110?

Will the "stock" Windows version of Python install on a Samsung Q1U-EL UMPC running Vista and with an Intel A110 processor? I want to do some development and just happened to think about this. I don't know what these processors are compatible with at the binary level. Thanks! Bob -- http:/

Want to build a binary header block

This is the idea Block = pack("240s", "") Block[0:4] = pack(">H", W) Block[4:8] = pack(">H", X) Block[8:12] = pack(">B", Y) Block[12:16] = pack(">H", Z)) but, of course, Block, a str, can't be sliced. The real use of this is a bit more complicated such that I can't just fill in a

Re: Fixed length lists from .split()?

This idiom is what I ended up using (a lot it turns out!): Parts = Line.split(";") Parts += (x-len(Parts))*[""] where x knows how long the line should be. If the line already has more parts than x (i.e. [""] gets multiplied by a negative number) nothing seems to happen which is just fine in th

Re: Tkinter Scrolling

On 2007-02-01 05:35:30 -0700, "D" <[EMAIL PROTECTED]> said: > I'm sure this is a simple question to the Tkinter experts - I have a > very basic Tkinter application that consists of 1 master window and > buttons within that window. My problem is that, I need to be able to > scroll (up and down) wh

Re: Fixed length lists from .split()?

On 2007-01-26 11:13:56 -0700, Duncan Booth <[EMAIL PROTECTED]> said: > Bob Greschke <[EMAIL PROTECTED]> wrote: > >> Is there a fancy way to get Parts=Line.split(";") to make Parts always >> have three items in it, or do I just have to check the length o

Re: time series data and NumPy

On 2007-01-26 10:54:02 -0700, "BBands" <[EMAIL PROTECTED]> said: > On Jan 26, 9:29 am, "Diez B. Roggisch" <[EMAIL PROTECTED]> wrote: > >> What you could do would be to convert the date-column into a timestamp, >> which is a int/long, and use that. Would that help? > > Actually that might help, a

Fixed length lists from .split()?

I'm reading a file that has lines like bcsn; 100; 1223 bcsn; 101; 1456 bcsn; 103 bcsn; 110; 4567 The problem is the line with only the one semi-colon. Is there a fancy way to get Parts=Line.split(";") to make Parts always have three items in it, or do I just have

Need old pywin32/win32all for Win95

Does anyone have an old version of this? I've got some old OEM stuff that will only handle Win95 because of some custom hardware drivers. The build 200 on sourceforge of pywin32 isn't old enough. I'm trying to get pyserial up and running. Python/Tkinter does OK at 233MHz! :) Thanks! Bob

Overriding traceback print_exc()?

I want to cause any traceback output from my applications to show up in one of my dialog boxes, instead of in the command or terminal window (between running on Solaris, Linux, OSX and Windows systems there might not be any command window or terminal window to show the traceback messages in). D

Tkinter Text widget incremental search

I want to create a search function on a Text() widget full of text like the incremental search in emacs -- if you type an "f" emacs goes to the first "f", type another "f" and it goes to the first place where "ff" shows up in the text, etc. How would you search the text of the Text() for a stri

Re: Python on handhelds

"Luke Dunstan" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > > "Paul Rubin" wrote in message > news:[EMAIL PROTECTED] >> "Nick" <[EMAIL PROTECTED]> writes: >>> I have never programmed in Python a day in my life. My group is working >>> on developing an

Re: Two ethernet cards/networks (still)

"Steve Holden" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Bob Greschke wrote: > The reason that "binding to a specific address is almost never used for a > client" is because it's the server destination address that the network >

Two ethernet cards/networks (still)

There is a lot to stuff that seems to skirt around this issue (most of which has to do with finding your IP address), but I can't find anything that explains how to write a client that (in my case) needs to collect some information from some equipment on a private network/Ethernet card, then tr

Tkinter window focusing or selecting

I have a program with many "forms" (Toplevel windows with entry fields). Sometimes when I .deiconify() and .lift() a form that is a child of another form, but that just got buried under other forms it comes up 'not active' (dimmed). I have to click on the title bar (or anywhere in the window)

Subclassing Tkinter Buttons

I don't use classes much (mainly because I'm stupid), but I'd like to make a subclass of the regular Tkinter Button widget that simply adds spaces to the passed "text=" when the program is running on Windows (Linux, Solaris, Mac add a little space between the button text and the right and left e

Re: tkinter: Button color Solaris/Linux

"Bob Greschke" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] >I have a GUI where the background of the "GO" button, for example, turns >green while the associated action is running. On Windows it works fine, >but on Solaris and Linux the button

tkinter: Button color Solaris/Linux

I have a GUI where the background of the "GO" button, for example, turns green while the associated action is running. On Windows it works fine, but on Solaris and Linux the button background turns white (or whatever) when the mouse pointer enters the button, the background stays that color whi

Re: Coding style

<[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > PTY wrote: >> Which is better? >> >> lst = [1,2,3,4,5] >> >> while lst: >> lst.pop() >> >> OR >> >> while len(lst) > 0: >> lst.pop() > > A dozen posts, but nobody has posted the right > answer yet, so I will :-) > > It doesn't matt

Tkinter StringVar mystery

First off I have this class (thanks to whoever came up with this way back when): ## # BEGIN: class Command # LIB:Command():2006.110 #Pass arguments to functions from button presses and menu selections, #bind's. Nice! #In your declaration: #...command = Com

Re: Extracting 3-byte integers

>I have some binary data read from a file that is arranged like > > <3-byte int> <3-byte int> <3-byte int> etc. > > The "ints" are big-endian and there are 169 of them. Is there any clever > way to convert these to regular Python ints other than (struct) unpack'ing > them one at a time and doi

Extracting 3-byte integers

I have some binary data read from a file that is arranged like <3-byte int> <3-byte int> <3-byte int> etc. The "ints" are big-endian and there are 169 of them. Is there any clever way to convert these to regular Python ints other than (struct) unpack'ing them one at a time and doing the mat

Re: Tkinter canvas zooming (sortof)

"Bob Greschke" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] >I have a program that sucks in a list of equipment positions (Lats/Longs), >opens a Toplevel frame with a canvas set to, for example, 700x480 pixels, >and then does all of the calculations and

Tkinter canvas zooming (sortof)

I have a program that sucks in a list of equipment positions (Lats/Longs), opens a Toplevel frame with a canvas set to, for example, 700x480 pixels, and then does all of the calculations and plots the objects with 10-pixel wide ovals and rectangles. Now I want to zoom in (or out), but I don't w

Re: Don't wish to give up on a Tkinter GUI Builder :(

"vbgunz" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Thank you very much for the link and info. It looks promising but I am > still on the lookout for a drag-n-drop Gui builder like vltc so if > anyone has more links to new projects I am definitely interested! > > PS. I do love th

Canvas items into widgets?

I have a "tooltip" class that is used like Lab = Label(Sub, text = "Temp:") Lab.pack() Tooltip(Lab, "The temperature of the reactor core") When the mouse pointer is placed over the "Temp:" label the associated message pops up in a small window near the pointer. I want to use the same t

Re: Writing backwards compatible code - when?

Is there a list of all of the Python commands and modules that tell when (what version) they were added to Python? I was hoping the new Essential Reference would have it, but it doesn't. Thanks! Bob -- http://mail.python.org/mailman/listinfo/python-list

Re: PIL ImageDraw line not long enough

"Fredrik Lundh" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Bob Greschke wrote: > >> I have to extend the vertical line to y+8, instead of y+7 to get the line >> segment to be drawn long enough. This is on Linux, Solaris, 2.x versions >>

PIL ImageDraw line not long enough

I've resorted to actually drawing all of the characters of the alphabet on a graph to avoid having to drag around font files. It's mostly just uppercase characters, so it's not too bad. But I noticed that some of the line segments have to be extended one pixel longer than they should be in ord

Re: A C-like if statement

"Roy Smith" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Bob Greschke <[EMAIL PROTECTED]> wrote: >>I miss being able to do something like this in Python >> >>1f (I = a.find("3")) != -1: >>print "It's here:

A C-like if statement

I miss being able to do something like this in Python 1f (I = a.find("3")) != -1: print "It's here: ", I else: print "No 3's here" where I gets assigned the index returned by find() AND the if statement gets to do its job in the same line. Then you don't have to have another like that

Re: Tkinter, X-windows and ebay

"Paul Rubin" <http://[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > "Bob Greschke" <[EMAIL PROTECTED]> writes: >> What I came up with was the user can just create a text file (a kind >> of a transaction log of what things were don

Getting Tkinter Text contents before destruction

Hi! I want to grab the contents of a Text widget when the frame it's on gets destroyed. I tried TextWidget.bind(""... , but the widget is gone before the call gets made, and I'd really hate to do something with the function that gets called with TextWidgetsFrame.bind("", ..., since that one f

Re: StringVar() IntVar() vs. Dictionary of same

"Paul Rubin" <http://[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > "Bob Greschke" <[EMAIL PROTECTED]> writes: >> Just roughly what do you think the effect would be? > > Either extremely slight or else nonexistent. I kinda thought

StringVar() IntVar() vs. Dictionary of same

Let's say I have a program with roughly 1 bazillion StringVars and IntVars (a lot of tkinter forms). Can anyone guess what the performance hit may or may not be by going from "global" StringVars and IntVars and accessing them directly (like barcode = StringVar()) to putting all of the StringVar

Re: Tkinter add_cascade option_add

variable = MemUnitsRVar, value = "blocks") Op.add_separator() Op.add_checkbutton(label = "Wait For USB Drive Responses", \ variable = DriveRpCVar, command = Command(subCont, "C1,0", "drv", \ DriveRpCVar)) Op.add_sep

Re: Tkinter add_cascade option_add

nt = "Helvetica 12 bold" in the add_cascade command OK (see below). The program runs on Windows, Linux, Solaris, Mac. Bob "Eric Brunel" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > On Tue, 13 Sep 2005 22:31:31 -0600, Bob Greschke <[EMAIL PROTECTED]&g

Tkinter add_cascade option_add

Root.option_add("*?*font", "Helvetica 12 bold") Want to get rid of the "font =": Widget.add_cascade(label = "File", menu = Fi, font = "Helvetica 12 bold") Does anyone know what ? should be to control the font of the cascade menus (the labels on the menu bar)? "*Menu*font" handles the pa

Re: Setting a drive's volume label

"Reinhold Birkenfeld" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Bob Greschke wrote: >> Looks like the "label" system command will do it in Windows. That's good >> enough for this exercise. So, in Linux...??? > > &q

Re: Setting a drive's volume label

Looks like the "label" system command will do it in Windows. That's good enough for this exercise. So, in Linux...??? "Bob Greschke" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > ...the name for a drive (hard or removable) that shows up when,

Setting a drive's volume label

...the name for a drive (hard or removable) that shows up when, for example, a USB flash drive is recognized by the system. I don't know if this shows up somewhere in Linux. Can this be set from Python? I guess it would be some MFC call in Windows (I don't know anything about doing that), and

Re: Tkinter, Menu(bar) font size

Yeah. It works on a Sun and Linux, but not Windows. That stinks. We got a bunch of 1400x1050 display laptops in and now I have to run around changing a bunch of programs that looked fine on 1024x768 displays. Thanks! <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] Tk tries to u

Tkinter, Menu(bar) font size

Option adding "Menu*font" changes the font size of the _commands, _radiobuttons, etc., but not the "File", "Edit", etc. labels on the menubar itself. What is the name for those labels? If I go Top.add_cascade(Label = "File", menu = Fi, font = "Courier 20") they change, but I can't figure o

Re: pySerial Windows write problem

"Peter Hansen" <[EMAIL PROTECTED]> wrote in message > > Actually, I'm curious why you don't do the same. I'd call it very unusual > (in my experience) to have a program open and close a serial port > repeatedly. Among other things, this means that the DSR/DTR lines are > toggling high and low

Re: pySerial Windows write problem

"Peter Hansen" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Bob Greschke wrote: > > But writing anything to the port >> quickly (not always right away...like maybe 5-6 iterations through the >> loop?) causes the >> >> win32f

pySerial Windows write problem

We have some equipment that communicates at 57600 baud RS232. The path from the PC is USB to a Phillips USB hub, then off of that a TUSB3410 USB/Serial converter. The driver for the 3410 chip creates a "normal" comm port (like COM3). There is a C++ program that has no problem talking to the e

Re: Text() tags and delete()

"Christopher Subich" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Bob Greschke wrote: >> Does Text.delete(0.0, END) delete all of the tags too? Everything says >> it does not delete marks, but nothing about tags. > > Note to everyone else:

Text() tags and delete()

Does Text.delete(0.0, END) delete all of the tags too? Everything says it does not delete marks, but nothing about tags. Thanks! Bob -- http://mail.python.org/mailman/listinfo/python-list

Re: tkinter, option_add, entry field trouble

Yahoo! That was it. When is Grayson coming out with a new version of "Python and Tkinter Programming"? Mine is getting pretty full of pen & ink changes. :) Nice tip, too! Thanks! <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] I think you have to spell it Root.option_add("*En

tkinter, option_add, entry field trouble

I can't get Root.option_add("*Entry*highlightthickness", "2") Root.option_add("*Entry*highlightcolor", "green") to work. Anyone know why? Setting the font, background color, etc. this way works OK. Are there some options that can't be set "globally"? Setting these two options in the Entry() s

Re: Tkinter Return/Enter key handling

Sorry. Yeah, Linux. Eww. Ick. Don't want to mess with .Xdefaults. It works, so I guess I'll just keep the .bind. Thanks, Phil! "phil" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > If you are talking Linux there's .Xdefaults > Which I had to resort to for tn5250. > For Tkinter

Tkinter Return/Enter key handling

I have a Tkinter Text() widget in a program that the user can type stuff into. Most of our keyboards have the regular keys with a "Return" key, and a numeric keypad with an "Enter" key. The Return key generates events with "" for the keysym, and the Enter key generates events with "" as the k

Re: Tkinter option_add for menu radiobutton

"Eric Brunel" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > On Sun, 13 Feb 2005 15:31:18 -0700, Bob Greschke <[EMAIL PROTECTED]> > wrote: > [snip] >> Root.option_add("*Radiobutton*selectColor", "black") >> >>

Tkinter option_add for menu radiobutton

Root.option_add("*Menu.Font", "Veranda 9") as an example, works fine in my program. Root.option_add("*Radiobutton*selectColor", "black") also works fine for regular radiobuttons. What I can't do is get the selectColor of the radiobutton's in the menu to be black...the x.add_radiobutton() ones.