I searched the archives but couldn't find anyone else with this
problem. Basically I'm grabbing all ASCII files in a directory and
doing geoprocessing on them. I need to calculate a z-factor based on
the latitude of the ASCII file being worked on, which is in the
filename. If I type in the code man
The exception I get is "TypeError: Cannot add value 'int' to string." I
have looked at LatString, and it is the string representation of
latitude ('17' etc.). What's odd is that the exception is raised not
when I include LatInt = int(LatString), but when I try to print
LatInt's value or multiply it
Thank you for the replies, I'm new to Python and appreciate your
patience. I'm using Python 2.1.
To reiterate, the ASCII files in the workspace are being read correctly
and their latitude values (coming from the filenames) are successfully
being converted to string. Even doing LatInt = int(LatStri
>Dude. You're trying to add a string to an int. What did you think would
>happen?
Dude. I thought it would concatenate the value for LatInt with the rest
of the sentence; I wasn't literally trying to add them. Apparently you
can only concatenate strings like this in Python.
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Thanks for the help everyone (especially those that gave more answers
than attitude). It's working perfectly!
Ian
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I've had to migrate back to Python 2.1 and am now trying to use
os.spawnv to get around a memory leak (either in Python or ArcGIS or
both) in a geoprocessing script.
This script (Second Script) gets each Ascii file in the workspace,
converts it to a raster, sets the spatial reference, and hillshad
I am using os.spawnv in Python 2.1 to do some geoprocessing in a
subroutine/process. Everything works great, except when the processing
is done the subroutine just waits for a couple minutes before closing
itself and returning to the main script. I have tried using sys.exit()
and exit() but these a
My code is below. As a single script there is no pause at the end of
the processing as there is with using os.spawnv... I am using the
P_WAIT value, and wonder if it is responsible for the extra time at the
end of each iteration. Could it take longer for the processing to be
"successful" when run u
Strange but removing the try/except part of the second script (leaving
only the processing) removed the 2 minute lag at the end of each
subroutine.
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Hello all,
I am confused as to why including 08 or 09 in a sequence (list or
tuple) causes this error. All other numbers with a leading zero work.
[01,02,03,04,05,06,07] is fine
[01,02,03,04,05,06,07,10] is fine
[01,02,03,04,05,06,08] produces "SyntaxError: invalid token", as
does: [01,02,03,
Thank you!
Ian
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Hello,
I'm writing a simple FTP log parser that sums file sizes as it runs. I
have a yearTotals dictionary with year keys and the monthTotals
dictionary as its values. The monthTotals dictionary has month keys
and file size values. The script works except the results are written
for all years, rat
Thank you everyone for the helpful replies. Some of the solutions were
new to me, but the script now runs successfully. I'm still learning to
ride the snake but I love this language!
Ian
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I am using the suggested approach to make a years list:
years = ["199%s" % x for x in range(0,10)]
years += ["200%s" % x for x in range(0,10)]
I haven't had any luck doing this in one line though. Is it possible?
Thanks.
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Thank you again for the great suggestions. I have one final question
about creating a httpMonths dictionary like {'Jan':'01' , 'Feb':'02' ,
etc} with a minimal amount of typing. My code follows (using Python
2.3.4):
import calendar
# Create years list, formatting as strings
years = map(str, xrang
Hello all,
I'm trying to use a regular expression in an FTP script to list
certain files. When run in a standard FTP session the command:
dir .??[oOdDnNmM]*
returns 48 files. When I use the following Python script it prints
roughly 12 files (a subset of the 48), ending with 'None':
imp
It's strange but since more files have been added to this directory
the regexp appears to be working correctly. Sorry to bother the list
and thanks for your time.
Ian
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