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#!/usr/bin/env python3
"""
Trying regular epxressions purported to match double quoted strings with backslash escapes

Syntax changes made vs sources
- Changed capture groups to non-capture groups  () -> (?:)
- Removed escaping of double quotes             \" -> "
"""
import re

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start       : brace+
brace       : [preamble] expandable [postscript]

preamble    : /[^{}]+/
postscript  : /[^{}]+/

expandable  : "{" (range | list) "}"

range       : begin ".." end [".." step]
begin       : BOUND

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#!/usr/bin/env python3

import regex

PATTERN = regex.compile(r'''
    # Declare reusable sub-patterns
    (?(DEFINE)
        (?<COUNT>[0-9]+)
        (?<CURRENCY>EUR|GBP|USD)
        (?<QUANTITY>[0-9]+[.][0-9]+)

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import collections

from typing import Generator, Iterable, TypeVar

T = TypeVar('T')

def flag_last(iterable:Iterable[T]) -> Generator[None, tuple[T, bool], None]:
    """
    Yield (item, is_last) for each item in iterable, is_last is True on the
    last item, False otherwise.

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import os
import shutil
import string
import timeit


class FakeDirEntry:
    def __init__(self, path):
        self.path = path
        self.name = path

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def copy_atomic(src, dst, follow_symlinks=True):
    """
    Copy src file to dst atomically, via a temporary file that is renamed.

    It is intended to be a drop in replacement for `shutil.copy2()`.
    """
    if os.path.isdir(dst):
        dst_dir = dst
        dst_name = os.path.basename(src)
        dst = os.path.join(dst, dst_name)

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from fastapi import FastAPI


app = FastAPI()


@app.get("/")
def root():
    return {"greeting": "Hello"}

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#!/usr/bin/env python3

import logging

log = logging.getLogger('systemd_demo')
log.setLevel(logging.DEBUG)


# Official bindings
import systemd.journal

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#!/usr/bin/env python3
"""
Determine whether stderr is connected to systemd journal, and hence whether
structured events can be written to the journal.

Based on https://systemd.io/JOURNAL_NATIVE_PROTOCOL/#automatic-protocol-upgrading
"""

import os
import sys

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#!/usr/bin/env ansible-playbook
---
- name: Test behaviour of version test
  hosts: localhost
  gather_facts: false
  tasks:
    - name: Expected results, comparing a.b.c <-> x.y.z, or a.b <-> x.y
      debug:
        msg:
          - '"1.0" is version("1.0", "==")      -> {{ "1.0" is version("1.0", "==") }}'