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read subprocess stdout line by line
My python script uses subprocess to call a linux utility that is very noisy. I want to store all of the output to a log file and show some of it to the user. I thought the following would work, but the output doesn't show up in my application until the utility has produced a significant amount of ...
Properties file in python (similar to Java Properties)
...avaproperties hasn't been maintained since 2010. It is not compatible with python 3. I would use the solutions linked to by @pi.
– codyzu
Sep 2 '15 at 11:47
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Print in one line dynamically
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Change print item to:
print item, in Python 2.7
print(item, end=" ") in Python 3
If you want to print the data dynamically use following syntax:
print(item, sep=' ', end='', flush=True) in Python 3
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Safest way to convert float to integer in python?
Python's math module contain handy functions like floor & ceil . These functions take a floating point number and return the nearest integer below or above it. However these functions return the answer as a floating point number. For example:
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Why does multiprocessing use only a single core after I import numpy?
...e, but I thought I would ask here in case anyone has some insight from the Python end of things.
3 Answers
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Writing string to a file on a new line every time
...ing every time I call file.write() . What's the easiest way to do this in Python?
10 Answers
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Pythonic way to add datetime.date and datetime.time objects
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It's in the python docs.
import datetime
datetime.datetime.combine(datetime.date(2011, 1, 1),
datetime.time(10, 23))
returns
datetime.datetime(2011, 1, 1, 10, 23)
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Counting the number of True Booleans in a Python List
...th the constant True, a simple sum is fine. However, keep in mind that in Python other values evaluate as True as well. A more robust solution would be to use the bool builtin:
>>> l = [1, 2, True, False]
>>> sum(bool(x) for x in l)
3
UPDATE: Here's another similarly robust so...
How to print without newline or space?
I'd like to do it in python . What I'd like to do in this example in c :
22 Answers
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Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ng variable, but for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at module load time and decides (correctly so) that the global scope's Var1 should not be used inside the local scope, which leads to a problem when you try...