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paste.py
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111 lines (90 loc) · 3.5 KB
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# The MIT License
#
# Copyright (c) 2014-2020 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.
import errno
import requests
import subprocess
import unicodedata
from locale import getpreferredencoding
from urllib.parse import urljoin, urlparse
from .translations import _
class PasteFailed(Exception):
pass
class PastePinnwand:
def __init__(self, url, expiry):
self.url = url
self.expiry = expiry
def paste(self, s):
"""Upload to pastebin via json interface."""
url = urljoin(self.url, "/api/v1/paste")
payload = {
"expiry": self.expiry,
"files": [{"lexer": "pycon", "content": s}],
}
try:
response = requests.post(url, json=payload, verify=True)
response.raise_for_status()
except requests.exceptions.RequestException as exc:
raise PasteFailed(exc.message)
data = response.json()
paste_url = data["link"]
removal_url = data["removal"]
return (paste_url, removal_url)
class PasteHelper:
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."))
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