"""Submit failure or test session information to a pastebin service."""
import tempfile
from io import StringIO
from typing import IO
from typing import Union
import pytest
from _pytest.config import Config
from _pytest.config import create_terminal_writer
from _pytest.config.argparsing import Parser
from _pytest.stash import StashKey
from _pytest.terminal import TerminalReporter
pastebinfile_key = StashKey[IO[bytes]]()
def pytest_addoption(parser: Parser) -> None:
group = parser.getgroup("terminal reporting")
group._addoption(
"--pastebin",
metavar="mode",
action="store",
dest="pastebin",
default=None,
choices=["failed", "all"],
help="Send failed|all info to bpaste.net pastebin service",
)
@pytest.hookimpl(trylast=True)
def pytest_configure(config: Config) -> None:
if config.option.pastebin == "all":
tr = config.pluginmanager.getplugin("terminalreporter")
# If no terminal reporter plugin is present, nothing we can do here;
# this can happen when this function executes in a worker node
# when using pytest-xdist, for example.
if tr is not None:
# pastebin file will be UTF-8 encoded binary file.
config.stash[pastebinfile_key] = tempfile.TemporaryFile("w+b")
oldwrite = tr._tw.write
def tee_write(s, **kwargs):
oldwrite(s, **kwargs)
if isinstance(s, str):
s = s.encode("utf-8")
config.stash[pastebinfile_key].write(s)
tr._tw.write = tee_write
def pytest_unconfigure(config: Config) -> None:
if pastebinfile_key in config.stash:
pastebinfile = config.stash[pastebinfile_key]
# Get terminal contents and delete file.
pastebinfile.seek(0)
sessionlog = pastebinfile.read()
pastebinfile.close()
del config.stash[pastebinfile_key]
# Undo our patching in the terminal reporter.
tr = config.pluginmanager.getplugin("terminalreporter")
del tr._tw.__dict__["write"]
# Write summary.
tr.write_sep("=", "Sending information to Paste Service")
pastebinurl = create_new_paste(sessionlog)
tr.write_line("pastebin session-log: %s\n" % pastebinurl)
def create_new_paste(contents: Union[str, bytes]) -> str:
"""Create a new paste using the bpaste.net service.
:contents: Paste contents string.
:returns: URL to the pasted contents, or an error message.
"""
import re
from urllib.request import urlopen
from urllib.parse import urlencode
params = {"code": contents, "lexer": "text", "expiry": "1week"}
url = "https://bpa.st"
try:
response: str = (
urlopen(url, data=urlencode(params).encode("ascii")).read().decode("utf-8")
)
except OSError as exc_info: # urllib errors
return "bad response: %s" % exc_info
m = re.search(r'href="/raw/(\w+)"', response)
if m:
return f"{url}/show/{m.group(1)}"
else:
return "bad response: invalid format ('" + response + "')"
def pytest_terminal_summary(terminalreporter: TerminalReporter) -> None:
if terminalreporter.config.option.pastebin != "failed":
return
if "failed" in terminalreporter.stats:
terminalreporter.write_sep("=", "Sending information to Paste Service")
for rep in terminalreporter.stats["failed"]:
try:
msg = rep.longrepr.reprtraceback.reprentries[-1].reprfileloc
except AttributeError:
msg = terminalreporter._getfailureheadline(rep)
file = StringIO()
tw = create_terminal_writer(terminalreporter.config, file)
rep.toterminal(tw)
s = file.getvalue()
assert len(s)
pastebinurl = create_new_paste(s)
terminalreporter.write_line(f"{msg} --> {pastebinurl}")
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