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# encoding: utf-8

# The MIT License

#

# Copyright (c) 2014-2015 Sebastian Ramacher

#

# Permission is hereby granted, free of charge, to any person obtaining a copy

# of this software and associated documentation files (the "Software"), to deal

# in the Software without restriction, including without limitation the rights

# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

# copies of the Software, and to permit persons to whom the Software is

# furnished to do so, subject to the following conditions:

#

# The above copyright notice and this permission notice shall be included in

# all copies or substantial portions of the Software.

#

# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

# THE SOFTWARE.

from __future__ import absolute_import

from locale import getpreferredencoding

from six.moves.urllib_parse import quote as urlquote, urljoin, urlparse

from string import Template

import errno

import requests

import subprocess

import unicodedata

from .translations import _

class PasteFailed(Exception):

pass

class PastePinnwand(object):

def __init__(self, url, expiry, show_url, removal_url):

self.url = url

self.expiry = expiry

self.show_url = show_url

self.removal_url = removal_url

def paste(self, s):

"""Upload to pastebin via json interface."""

url = urljoin(self.url, '/json/new')

payload = {

'code': s,

'lexer': 'pycon',

'expiry': self.expiry

}

try:

response = requests.post(url, data=payload, verify=True)

response.raise_for_status()

except requests.exceptions.RequestException as exc:

raise PasteFailed(exc.message)

data = response.json()

paste_url_template = Template(self.show_url)

paste_id = urlquote(data['paste_id'])

paste_url = paste_url_template.safe_substitute(paste_id=paste_id)

removal_url_template = Template(self.removal_url)

removal_id = urlquote(data['removal_id'])

removal_url = removal_url_template.safe_substitute(

removal_id=removal_id)

return (paste_url, removal_url)

class PasteHelper(object):

def __init__(self, executable):

self.executable = executable

def paste(self, s):

"""Call out to helper program for pastebin upload."""

try:

helper = subprocess.Popen('',

executable=self.executable,

stdin=subprocess.PIPE,

stdout=subprocess.PIPE)

helper.stdin.write(s.encode(getpreferredencoding()))

output = helper.communicate()[0].decode(getpreferredencoding())

paste_url = output.split()[0]

except OSError as e:

if e.errno == errno.ENOENT:

raise PasteFailed(_('Helper program not found.'))

else:

raise PasteFailed(_('Helper program could not be run.'))

if helper.returncode != 0:

raise PasteFailed(_('Helper program returned non-zero exit '

'status %d.' % (helper.returncode, )))

if not paste_url:

raise PasteFailed(_('No output from helper program.'))

else:

parsed_url = urlparse(paste_url)

if (not parsed_url.scheme or

any(unicodedata.category(c) == 'Cc'

for c in paste_url)):

raise PasteFailed(_('Failed to recognize the helper '

'program\'s output as an URL.'))

return paste_url, None