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import datetime
from typing import Iterable

import os
import uuid

import jwt
import pytz
import time
import calendar

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RUN pipsi install --python=python3 poetry
# It is kind of hard to install from a .tar.gz of the repo if there is no
# setup.py in there.
RUN mkdir -p /tmp/poetry-master && cd /tmp/poetry-master && wget https://github.com/sdispater/poetry/archive/bdd7909ce7cb729975f31bfdbb4c756a1dd914dd.tar.gz && tar -xzvf bdd7909ce7cb729975f31bfdbb4c756a1dd914dd.tar.gz && cd poetry-bdd7909ce7cb729975f31bfdbb4c756a1dd914dd && poetry build && /root/.pipsi/venvs/poetry/bin/pip3 install --upgrade dist/poetry-0.12.4-py2.py3-none-any.whl

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[tool.poetry]
name = "app"
version = "0.1.0"
description = ""
authors = ["None"]

[tool.poetry.dependencies]
python = "3.6"
hyper = "^0.7.0"
cryptography = "^2.3"

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# -*- coding: utf-8 -*-
from __future__ import unicode_literals

import pip
import pip.req
import uuid


# from pprint import pprint as pp; import key_requirements_compare; reload(key_requirements_compare); compared=key_requirements_compare.tst(); print(len(compared['old']))

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Set the default size for new Docker for Mac disk images

UPDATE: The instructions here are no longer necessary! Resizing the disk image is now possible right from the UI since Docker for Mac Version 17.12.0-ce-mac49 (21995).

If you are getting the error: No space left on device

Configuring the qcow2 size cap is possible in the current versions:

# my disk is currently 64GiB

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test_basic (__main__.AWS4Auth_AmzCanonicalPath_Test) ... ERROR
test_handle_basic_quoting (__main__.AWS4Auth_AmzCanonicalPath_Test) ... ERROR
test_handle_path_normalization (__main__.AWS4Auth_AmzCanonicalPath_Test) ... ERROR
test_handle_percent_encode_non_s3 (__main__.AWS4Auth_AmzCanonicalPath_Test) ... ERROR
test_handle_percent_encode_s3 (__main__.AWS4Auth_AmzCanonicalPath_Test) ... ERROR
test_handle_querystring (__main__.AWS4Auth_AmzCanonicalPath_Test) ... ERROR
test_basic (__main__.AWS4Auth_AmzCanonicalQuerystring_Test) ... ok
test_multiple_params (__main__.AWS4Auth_AmzCanonicalQuerystring_Test) ... ok
test_quoting (__main__.AWS4Auth_AmzCanonicalQuerystring_Test) ... ok
test_space (__main__.AWS4Auth_AmzCanonicalQuerystring_Test) ... ok

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django-dbcache

A django cache backend that treats the db cache as a first class citizen.

The cache backend in django.core.cache.backends.db only works on the default database connection. Using the same connection as for regular model access can cause weird transaction related deadlocks and similar

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from checks import AgentCheck

class FileDescriptorCheck(AgentCheck):
    def check(self, instance):
        with open('/proc/sys/fs/file-nr', 'r') as fobj:
            fd_open, unknown, fd_max = fobj.read().split('\t')
            self.gauge('system.fd_open', int(fd_open))
            self.gauge('system.fd_max', int(fd_max))
            self.gauge('system.fd_open_pct', float(fd_open)/float(fd_max))

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# f is the File model
f = filer.models.File.objects.get(...)
# f.file is a django file field (for images it's an easy-thumbnails image field)
f.file

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find /var/lib/docker/containers/ -type f -name "*.log" -delete