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# Copyright (C) 2000-2014 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Helper constants.
"""
import socket
import ftplib
import requests
from .. import LinkCheckerError
from dns.exception import DNSException
# Catch these exception on syntax checks.
ExcSyntaxList = [
LinkCheckerError,
ValueError,
]
# Catch these exceptions on content and connect checks. All other
# exceptions are internal or system errors
ExcCacheList = [
IOError,
OSError, # OSError is thrown on Windows when a file is not found
LinkCheckerError,
DNSException,
EOFError,
# http errors
requests.exceptions.RequestException,
requests.packages.urllib3.exceptions.HTTPError, # pylint: disable=no-member
# ftp errors
ftplib.Error,
# idna.encode(), called from socket.create_connection()
UnicodeError,
]
# Exceptions that do not put the URL in the cache so that the URL can
# be checked again.
ExcNoCacheList = [
socket.timeout,
]
# firefox bookmark file needs sqlite3 for parsing
try:
import sqlite3
ExcCacheList.append(sqlite3.Error)
except ImportError:
pass
# pyOpenSSL errors
try:
import OpenSSL
ExcCacheList.append(OpenSSL.SSL.Error)
except ImportError:
pass
ExcList = ExcCacheList + ExcNoCacheList
# Maximum URL length
# https://stackoverflow.com/questions/417142/what-is-the-maximum-length-of-a-url-in-different-browsers
URL_MAX_LENGTH = 2047
# the warnings
WARN_URL_EFFECTIVE_URL = "url-effective-url"
WARN_URL_ERROR_GETTING_CONTENT = "url-error-getting-content"
WARN_URL_CONTENT_SIZE_TOO_LARGE = "url-content-too-large"
WARN_URL_CONTENT_SIZE_ZERO = "url-content-size-zero"
WARN_URL_CONTENT_TYPE_UNPARSEABLE = "url-content-type-unparseable"
WARN_URL_OBFUSCATED_IP = "url-obfuscated-ip"
WARN_URL_TOO_LONG = "url-too-long"
WARN_URL_WHITESPACE = "url-whitespace"
WARN_FILE_MISSING_SLASH = "file-missing-slash"
WARN_FILE_SYSTEM_PATH = "file-system-path"
WARN_FILE_ANCHORCHECK_DIRECTORY = "file-anchorcheck-directory"
WARN_FTP_MISSING_SLASH = "ftp-missing-slash"
WARN_HTTP_EMPTY_CONTENT = "http-empty-content"
WARN_HTTP_COOKIE_STORE_ERROR = "http-cookie-store-error"
WARN_HTTP_RATE_LIMITED = "http-rate-limited"
WARN_HTTP_REDIRECTED = "http-redirected"
WARN_MAIL_NO_MX_HOST = "mail-no-mx-host"
WARN_XML_PARSE_ERROR = "xml-parse-error"
# registered warnings
Warnings = {
WARN_URL_EFFECTIVE_URL: _("The effective URL is different from the original."),
WARN_URL_ERROR_GETTING_CONTENT: _("Could not get the content of the URL."),
WARN_URL_CONTENT_SIZE_TOO_LARGE: _("The URL content size is too large."),
WARN_URL_CONTENT_SIZE_ZERO: _("The URL content size is zero."),
WARN_URL_CONTENT_TYPE_UNPARSEABLE: _("The URL content type is not parseable."),
WARN_URL_TOO_LONG: _("The URL is longer than the recommended size."),
WARN_URL_WHITESPACE: _("The URL contains leading or trailing whitespace."),
WARN_FILE_MISSING_SLASH: _("The file: URL is missing a trailing slash."),
WARN_FILE_SYSTEM_PATH: _(
"The file: path is not the same as the system specific path."
),
WARN_FILE_ANCHORCHECK_DIRECTORY: _(
"A local directory with an anchor, not supported by AnchorCheck."),
WARN_FTP_MISSING_SLASH: _("The ftp: URL is missing a trailing slash."),
WARN_HTTP_EMPTY_CONTENT: _("The URL had no content."),
WARN_HTTP_COOKIE_STORE_ERROR: _("An error occurred while storing a cookie."),
WARN_HTTP_RATE_LIMITED: _("The URL request was rate limited."),
WARN_HTTP_REDIRECTED: _("Redirected to a different URL."),
WARN_MAIL_NO_MX_HOST: _("The mail MX host could not be found."),
WARN_URL_OBFUSCATED_IP: _("The IP is obfuscated."),
WARN_XML_PARSE_ERROR: _("XML could not be parsed."),
}
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