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Installing Python packages from local file system folder to virtualenv with pip
...roject or package directory before it would work. This tripped me up. docs.python.org/3.6/distutils/sourcedist.html
– Josh
May 16 '18 at 21:04
3
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Python: Is it bad form to raise exceptions within __init__?
...is incomplete). This is often not the case in scripting languages, such as Python. For example, the following code throws an AttributeError if socket.connect() fails:
class NetworkInterface:
def __init__(self, address)
self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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Open files in 'rt' and 'wt' modes
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Gotcha, it's documented in python3 docs. So, there is basically no difference between wt vs w and rt vs r - just explicit is better than implicit?
– alecxe
Apr 14 '14 at 2:38
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Python Flask, how to set content type
...'}
Hope it helps
Update:
Use this method because it will work with both python 2.x and python 3.x
and secondly it also eliminates multiple header problem.
from flask import Response
r = Response(response="TEST OK", status=200, mimetype="application/xml")
r.headers["Content-Type"] = "text/xml; c...
How to remove items from a list while iterating?
I'm iterating over a list of tuples in Python, and am attempting to remove them if they meet certain criteria.
26 Answers
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AttributeError: 'module' object has no attribute 'tests'
...working.
To validate your test case just try import the test case file in python console.
Example:
from project.apps.app1.tests import *
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How to break out of multiple loops?
... is the right approach. And the reasoning is that, according to the Zen of Python, "flat is better than nested". We have three levels of nesting here and if that starts to get in the way, it is time to reduce the nesting or at least extract the whole nesting into a function of its own.
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How do I get the filepath for a class in Python?
Given a class C in Python, how can I determine which file the class was defined in? I need something that can work from either the class C, or from an instance off C.
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Example use of “continue” statement in Python?
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same here, when we write python script (for cron job) and iterating on large values and some exception occurs then cron job will be stopped and you only be able to know that the next day, it really helps a lot in those case, Yes we can write send mai...
How to list only top level directories in Python?
...os.walk
Use os.walk with next item function:
next(os.walk('.'))[1]
For Python <=2.5 use:
os.walk('.').next()[1]
How this works
os.walk is a generator and calling next will get the first result in the form of a 3-tuple (dirpath, dirnames, filenames). Thus the [1] index returns only the dir...