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headphones/headphones/helpers.py
2016-04-07 18:12:07 +02:00

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# -*- coding: utf-8 -*-
# This file is part of Headphones.
#
# Headphones 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 3 of the License, or
# (at your option) any later version.
#
# Headphones 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 Headphones. If not, see <http://www.gnu.org/licenses/>.
from operator import itemgetter
import unicodedata
import datetime
import shutil
import time
import sys
import fnmatch
import re
import os
from beets.mediafile import MediaFile, FileTypeError, UnreadableFileError
import headphones
# Modified from https://github.com/Verrus/beets-plugin-featInTitle
RE_FEATURING = re.compile(r"[fF]t\.|[fF]eaturing|[fF]eat\.|\b[wW]ith\b|&|vs\.")
RE_CD_ALBUM = re.compile(r"\(?((CD|disc)\s*[0-9]+)\)?", re.I)
RE_CD = re.compile(r"^(CD|dics)\s*[0-9]+$", re.I)
def multikeysort(items, columns):
comparers = [
((itemgetter(col[1:].strip()), -1) if col.startswith('-') else (itemgetter(col.strip()), 1))
for col in columns]
def comparer(left, right):
for fn, mult in comparers:
result = cmp(fn(left), fn(right))
if result:
return mult * result
else:
return 0
return sorted(items, cmp=comparer)
def checked(variable):
if variable:
return 'Checked'
else:
return ''
def radio(variable, pos):
if variable == pos:
return 'Checked'
else:
return ''
def latinToAscii(unicrap):
"""
From couch potato
"""
xlate = {
0xc0: 'A', 0xc1: 'A', 0xc2: 'A', 0xc3: 'A', 0xc4: 'A', 0xc5: 'A',
0xc6: 'Ae', 0xc7: 'C',
0xc8: 'E', 0xc9: 'E', 0xca: 'E', 0xcb: 'E', 0x86: 'e', 0x39e: 'E',
0xcc: 'I', 0xcd: 'I', 0xce: 'I', 0xcf: 'I',
0xd0: 'Th', 0xd1: 'N',
0xd2: 'O', 0xd3: 'O', 0xd4: 'O', 0xd5: 'O', 0xd6: 'O', 0xd8: 'O',
0xd9: 'U', 0xda: 'U', 0xdb: 'U', 0xdc: 'U',
0xdd: 'Y', 0xde: 'th', 0xdf: 'ss',
0xe0: 'a', 0xe1: 'a', 0xe2: 'a', 0xe3: 'a', 0xe4: 'a', 0xe5: 'a',
0xe6: 'ae', 0xe7: 'c',
0xe8: 'e', 0xe9: 'e', 0xea: 'e', 0xeb: 'e', 0x0259: 'e',
0xec: 'i', 0xed: 'i', 0xee: 'i', 0xef: 'i',
0xf0: 'th', 0xf1: 'n',
0xf2: 'o', 0xf3: 'o', 0xf4: 'o', 0xf5: 'o', 0xf6: 'o', 0xf8: 'o',
0xf9: 'u', 0xfa: 'u', 0xfb: 'u', 0xfc: 'u',
0xfd: 'y', 0xfe: 'th', 0xff: 'y',
0xa1: '!', 0xa2: '{cent}', 0xa3: '{pound}', 0xa4: '{currency}',
0xa5: '{yen}', 0xa6: '|', 0xa7: '{section}', 0xa8: '{umlaut}',
0xa9: '{C}', 0xaa: '{^a}', 0xab: '<<', 0xac: '{not}',
0xad: '-', 0xae: '{R}', 0xaf: '_', 0xb0: '{degrees}',
0xb1: '{+/-}', 0xb2: '{^2}', 0xb3: '{^3}', 0xb4: "'",
0xb5: '{micro}', 0xb6: '{paragraph}', 0xb7: '*', 0xb8: '{cedilla}',
0xb9: '{^1}', 0xba: '{^o}', 0xbb: '>>',
0xbc: '{1/4}', 0xbd: '{1/2}', 0xbe: '{3/4}', 0xbf: '?',
0xd7: '*', 0xf7: '/'
}
r = ''
for i in unicrap:
if ord(i) in xlate:
r += xlate[ord(i)]
elif ord(i) >= 0x80:
pass
else:
r += str(i)
return r
def convert_milliseconds(ms):
seconds = ms / 1000
gmtime = time.gmtime(seconds)
if seconds > 3600:
minutes = time.strftime("%H:%M:%S", gmtime)
else:
minutes = time.strftime("%M:%S", gmtime)
return minutes
def convert_seconds(s):
gmtime = time.gmtime(s)
if s > 3600:
minutes = time.strftime("%H:%M:%S", gmtime)
else:
minutes = time.strftime("%M:%S", gmtime)
return minutes
def today():
today = datetime.date.today()
yyyymmdd = datetime.date.isoformat(today)
return yyyymmdd
def now():
now = datetime.datetime.now()
return now.strftime("%Y-%m-%d %H:%M:%S")
def get_age(date):
try:
split_date = date.split('-')
except:
return False
try:
days_old = int(split_date[0]) * 365 + int(split_date[1]) * 30 + int(split_date[2])
except (IndexError, ValueError):
days_old = False
return days_old
def bytes_to_mb(bytes):
mb = int(bytes) / 1048576
size = '%.1f MB' % mb
return size
def mb_to_bytes(mb_str):
result = re.search('^(\d+(?:\.\d+)?)\s?(?:mb)?', mb_str, flags=re.I)
if result:
return int(float(result.group(1)) * 1048576)
def piratesize(size):
split = size.split(" ")
factor = float(split[0])
unit = split[1].upper()
if unit == 'MIB':
size = factor * 1048576
elif unit == 'MB':
size = factor * 1000000
elif unit == 'GIB':
size = factor * 1073741824
elif unit == 'GB':
size = factor * 1000000000
elif unit == 'KIB':
size = factor * 1024
elif unit == 'KB':
size = factor * 1000
elif unit == "B":
size = factor
else:
size = 0
return size
def replace_all(text, dic, normalize=False):
from headphones import pathrender
if not text:
return ''
if normalize:
new_dic = {}
for i, j in dic.iteritems():
if j is not None:
try:
if sys.platform == 'darwin':
j = unicodedata.normalize('NFD', j)
else:
j = unicodedata.normalize('NFC', j)
except TypeError:
j = unicodedata.normalize('NFC',
j.decode(headphones.SYS_ENCODING, 'replace'))
new_dic[i] = j
dic = new_dic
return pathrender.render(text, dic)[0]
def replace_illegal_chars(string, type="file"):
if type == "file":
string = re.sub('[\?"*:|<>/]', '_', string)
if type == "folder":
string = re.sub('[:\?<>"|]', '_', string)
return string
_CN_RE1 = re.compile(ur'[^\w]+', re.UNICODE)
_CN_RE2 = re.compile(ur'[\s_]+', re.UNICODE)
_XLATE_GRAPHICAL_AND_DIACRITICAL = {
# Translation table.
# Covers the following letters, for which NFD fails because of lack of
# combining character:
# ©ª«®²³¹»¼½¾ÆÐØÞßæðøþĐđĦħıIJijĸĿŀŁłŒœŦŧDŽDždžLJLjljNJNjnjǤǥDZDzdzȤȥ. This
# includes also some graphical symbols which can be easily replaced and
# usually are written by people who don't have appropriate keyboard layout.
u'©': '(C)', u'ª': 'a.', u'«': '<<', u'®': '(R)', u'²': '2', u'³': '3',
u'¹': '1', u'»': '>>', u'¼': ' 1/4 ', u'½': ' 1/2 ', u'¾': ' 3/4 ',
u'Æ': 'AE', u'Ð': 'D', u'Ø': 'O', u'Þ': 'Th', u'ß': 'ss', u'æ': 'ae',
u'ð': 'd', u'ø': 'o', u'þ': 'th', u'Đ': 'D', u'đ': 'd', u'Ħ': 'H',
u'ħ': 'h', u'ı': 'i', u'IJ': 'IJ', u'ij': 'ij', u'ĸ': 'q', u'Ŀ': 'L',
u'ŀ': 'l', u'Ł': 'L', u'ł': 'l', u'Œ': 'OE', u'œ': 'oe', u'Ŧ': 'T',
u'ŧ': 't', u'DŽ': 'DZ', u'Dž': 'Dz', u'LJ': 'LJ', u'Lj': 'Lj',
u'lj': 'lj', u'NJ': 'NJ', u'Nj': 'Nj', u'nj': 'nj',
u'Ǥ': 'G', u'ǥ': 'g', u'DZ': 'DZ', u'Dz': 'Dz', u'dz': 'dz',
u'Ȥ': 'Z', u'ȥ': 'z', u'': 'No.',
u'º': 'o.', # normalize Nº abbrev (popular w/ classical music),
# this is 'masculine ordering indicator', not degree
}
_XLATE_SPECIAL = {
# Translation table.
# Cover additional special characters processing normalization.
u"'": '', # replace apostrophe with nothing
u'&': ' and ', # expand & to ' and '
}
def _translate(s, dictionary):
# type: (basestring,Mapping[basestring,basestring])->basestring
return ''.join(dictionary.get(x, x) for x in s)
_COMBINING_RANGES = (
(0x0300, 0x036f), # Combining Diacritical Marks
(0x1ab0, 0x1aff), # Combining Diacritical Marks Extended
(0x20d0, 0x20ff), # Combining Diacritical Marks for Symbols
(0x1dc0, 0x1dff) # Combining Diacritical Marks Supplement
)
def _is_unicode_combining(u):
# type: (unicode)->bool
"""
Check if input unicode is combining diacritical mark.
"""
i = ord(u)
for r in _COMBINING_RANGES:
if r[0] <= i <= r[1]:
return True
return False
def _transliterate(u, xlate):
# type: (unicode)->unicode
"""
Perform transliteration using the specified dictionary
"""
u = unicodedata.normalize('NFD', u)
u = u''.join([u'' if _is_unicode_combining(x) else x for x in u])
u = _translate(u, xlate)
# at this point output is either unicode, or plain ascii
return unicode(u)
def clean_name(s):
# type: (basestring)->unicode
"""Remove non-alphanumeric characters from the string, perform
normalization and substitution of some special characters; coalesce spaces.
:param s: string to clean up, possibly unicode one.
:return: cleaned-up version of input string.
"""
if not isinstance(s, unicode):
# ignore extended chars if someone was dumb enough to pass non-ascii
# narrow string here, use only unicode for meaningful texts
u = unicode(s, 'ascii', 'replace')
else:
u = s
# 1. don't bother doing normalization NFKC, rather transliterate
# using special translation table
u = _transliterate(u, _XLATE_GRAPHICAL_AND_DIACRITICAL)
# 2. normalize NFKC the result
u = unicodedata.normalize('NFKC', u)
# 3. translate spacials
u = _translate(u, _XLATE_SPECIAL)
# 4. replace any non-alphanumeric character sequences by spaces
u = _CN_RE1.sub(u' ', u)
# 5. coalesce interleaved space/underscore sequences
u = _CN_RE2.sub(u' ', u)
# 6. trim
u = u.strip()
# 7. lowercase
return u
def cleanTitle(title):
title = re.sub('[\.\-\/\_]', ' ', title).lower()
# Strip out extra whitespace
title = ' '.join(title.split())
title = title.title()
return title
def split_path(f):
"""
Split a path into components, starting with the drive letter (if any). Given
a path, os.path.join(*split_path(f)) should be path equal to f.
"""
components = []
drive, path = os.path.splitdrive(f)
# Strip the folder from the path, iterate until nothing is left
while True:
path, folder = os.path.split(path)
if folder:
components.append(folder)
else:
if path:
components.append(path)
break
# Append the drive (if any)
if drive:
components.append(drive)
# Reverse components
components.reverse()
# Done
return components
def expand_subfolders(f):
"""
Try to expand a given folder and search for subfolders containing media
files. This should work for discographies indexed per album in the same
root, possibly with folders per CD (if any).
This algorithm will return nothing if the result is only one folder. In this
case, normal post processing will be better.
"""
from headphones import logger
# Find all folders with media files in them
media_folders = []
for root, dirs, files in os.walk(f):
for file in files:
extension = os.path.splitext(file)[1].lower()[1:]
if extension in headphones.MEDIA_FORMATS:
if root not in media_folders:
media_folders.append(root)
# Stop here if nothing found
if len(media_folders) == 0:
return
# Split into path components
media_folders = [split_path(media_folder) for media_folder in media_folders]
# Correct folder endings such as CD1 etc.
for index, media_folder in enumerate(media_folders):
if RE_CD.match(media_folder[-1]):
media_folders[index] = media_folders[index][:-1]
# Verify the result by computing path depth relative to root.
path_depths = [len(media_folder) for media_folder in media_folders]
difference = max(path_depths) - min(path_depths)
if difference > 0:
logger.info(
"Found %d media folders, but depth difference between lowest and deepest media folder is %d (expected zero). If this is a discography or a collection of albums, make sure albums are per folder.",
len(media_folders), difference)
# While already failed, advice the user what he could try. We assume the
# directory may contain separate CD's and maybe some extra's. The
# structure may look like X albums at same depth, and (one or more)
# extra folders with a higher depth.
extra_media_folders = [media_folder[:min(path_depths)] for media_folder in media_folders if
len(media_folder) > min(path_depths)]
extra_media_folders = list(
set([os.path.join(*media_folder) for media_folder in extra_media_folders]))
logger.info(
"Please look at the following folder(s), since they cause the depth difference: %s",
extra_media_folders)
return
# Convert back to paths and remove duplicates, which may be there after
# correcting the paths
media_folders = list(set([os.path.join(*media_folder) for media_folder in media_folders]))
# Don't return a result if the number of subfolders is one. In this case,
# this algorithm will not improve processing and will likely interfere
# with other attempts such as MusicBrainz release group IDs.
if len(media_folders) == 1:
logger.debug("Did not expand subfolder, as it resulted in one folder.")
return
logger.debug("Expanded subfolders in folder: %s", media_folders)
return media_folders
def path_match_patterns(path, patterns):
"""
Check if a path matches one or more patterns. The whole path will be
matched be matched against the patterns.
"""
for pattern in patterns:
if fnmatch.fnmatch(path, pattern):
return True
# No match
return False
def path_filter_patterns(paths, patterns, root=None):
"""
Scan for ignored paths based on glob patterns. Note that the whole path
will be matched, therefore paths should only contain the relative paths.
The root is optional, and only used for producing meaningful debug info.
"""
from headphones import logger
ignored = 0
for path in paths[:]:
if path_match_patterns(path, patterns):
logger.debug("Path ignored by pattern: %s",
os.path.join(root or "", path))
ignored += 1
paths.remove(path)
# Return number of ignored paths
return ignored
def extract_data(s):
s = s.replace('_', ' ')
# headphones default format
pattern = re.compile(r'(?P<name>.*?)\s\-\s(?P<album>.*?)\s[\[\(](?P<year>.*?)[\]\)]',
re.VERBOSE)
match = pattern.match(s)
if match:
name = match.group("name")
album = match.group("album")
year = match.group("year")
return (name, album, year)
# Gonna take a guess on this one - might be enough to search on mb
pat = re.compile(r"(?P<name>.*?)\s*-\s*(?P<album>[^\[(-]*)")
match = pat.match(s)
if match:
name = match.group("name")
album = match.group("album")
year = None
return (name, album, year)
else:
return (None, None, None)
def extract_metadata(f):
"""
Scan all files in the given directory and decide on an artist, album and
year based on the metadata. A decision is based on the number of different
artists, albums and years found in the media files.
"""
from headphones import logger
# Walk directory and scan all media files
results = []
count = 0
for root, dirs, files in os.walk(f):
for file in files:
# Count the number of potential media files
extension = os.path.splitext(file)[1].lower()[1:]
if extension in headphones.MEDIA_FORMATS:
count += 1
# Try to read the file info
try:
media_file = MediaFile(os.path.join(root, file))
except (FileTypeError, UnreadableFileError):
# Probably not a media file
continue
# Append metadata to file
artist = media_file.albumartist or media_file.artist
album = media_file.album
year = media_file.year
if artist and album and year:
results.append((artist.lower(), album.lower(), year))
# Verify results
if len(results) == 0:
logger.info("No metadata in media files found, ignoring.")
return (None, None, None)
# Require that some percentage of files have tags
count_ratio = 0.75
if count < (count_ratio * len(results)):
logger.info("Counted %d media files, but only %d have tags, ignoring.", count, len(results))
return (None, None, None)
# Count distinct values
artists = list(set([x[0] for x in results]))
albums = list(set([x[1] for x in results]))
years = list(set([x[2] for x in results]))
# Remove things such as CD2 from album names
if len(albums) > 1:
new_albums = list(albums)
# Replace occurences of e.g. CD1
for index, album in enumerate(new_albums):
if RE_CD_ALBUM.search(album):
old_album = new_albums[index]
new_albums[index] = RE_CD_ALBUM.sub("", album).strip()
logger.debug("Stripped albumd number identifier: %s -> %s", old_album,
new_albums[index])
# Remove duplicates
new_albums = list(set(new_albums))
# Safety check: if nothing has merged, then ignore the work. This can
# happen if only one CD of a multi part CD is processed.
if len(new_albums) < len(albums):
albums = new_albums
# All files have the same metadata, so it's trivial
if len(artists) == 1 and len(albums) == 1:
return (artists[0], albums[0], years[0])
# (Lots of) different artists. Could be a featuring album, so test for this.
if len(artists) > 1 and len(albums) == 1:
split_artists = [RE_FEATURING.split(x) for x in artists]
featurings = [len(split_artist) - 1 for split_artist in split_artists]
logger.info("Album seem to feature %d different artists", sum(featurings))
if sum(featurings) > 0:
# Find the artist of which the least splits have been generated.
# Ideally, this should be 0, which should be the album artist
# itself.
artist = split_artists[featurings.index(min(featurings))][0]
# Done
return (artist, albums[0], years[0])
# Not sure what to do here.
logger.info("Found %d artists, %d albums and %d years in metadata, so ignoring", len(artists),
len(albums), len(years))
logger.debug("Artists: %s, Albums: %s, Years: %s", artists, albums, years)
return (None, None, None)
def get_downloaded_track_list(albumpath):
"""
Return a list of audio files for the given directory.
"""
downloaded_track_list = []
for root, dirs, files in os.walk(albumpath):
for _file in files:
extension = os.path.splitext(_file)[1].lower()[1:]
if extension in headphones.MEDIA_FORMATS:
downloaded_track_list.append(os.path.join(root, _file))
return downloaded_track_list
def preserve_torrent_directory(albumpath):
"""
Copy torrent directory to headphones-modified to keep files for seeding.
"""
from headphones import logger
new_folder = os.path.join(albumpath,
'headphones-modified'.encode(headphones.SYS_ENCODING, 'replace'))
logger.info(
"Copying files to 'headphones-modified' subfolder to preserve downloaded files for seeding")
try:
shutil.copytree(albumpath, new_folder)
return new_folder
except Exception as e:
logger.warn("Cannot copy/move files to temp folder: " +
new_folder.decode(headphones.SYS_ENCODING, 'replace') +
". Not continuing. Error: " + str(e))
return None
def cue_split(albumpath):
"""
Attempts to check and split audio files by a cue for the given directory.
"""
# Walk directory and scan all media files
count = 0
cue_count = 0
cue_dirs = []
for root, dirs, files in os.walk(albumpath):
for _file in files:
extension = os.path.splitext(_file)[1].lower()[1:]
if extension in headphones.MEDIA_FORMATS:
count += 1
elif extension == 'cue':
cue_count += 1
if root not in cue_dirs:
cue_dirs.append(root)
# Split cue
if cue_count and cue_count >= count and cue_dirs:
from headphones import logger, cuesplit
logger.info("Attempting to split audio files by cue")
cwd = os.getcwd()
for cue_dir in cue_dirs:
try:
cuesplit.split(cue_dir)
except Exception as e:
os.chdir(cwd)
logger.warn("Cue not split: " + str(e))
return False
os.chdir(cwd)
return True
return False
def extract_logline(s):
# Default log format
pattern = re.compile(
r'(?P<timestamp>.*?)\s\-\s(?P<level>.*?)\s*\:\:\s(?P<thread>.*?)\s\:\s(?P<message>.*)',
re.VERBOSE)
match = pattern.match(s)
if match:
timestamp = match.group("timestamp")
level = match.group("level")
thread = match.group("thread")
message = match.group("message")
return (timestamp, level, thread, message)
else:
return None
def extract_song_data(s):
from headphones import logger
# headphones default format
pattern = re.compile(r'(?P<name>.*?)\s\-\s(?P<album>.*?)\s\[(?P<year>.*?)\]', re.VERBOSE)
match = pattern.match(s)
if match:
name = match.group("name")
album = match.group("album")
year = match.group("year")
return (name, album, year)
else:
logger.info("Couldn't parse %s into a valid default format", s)
# newzbin default format
pattern = re.compile(r'(?P<name>.*?)\s\-\s(?P<album>.*?)\s\((?P<year>\d+?\))', re.VERBOSE)
match = pattern.match(s)
if match:
name = match.group("name")
album = match.group("album")
year = match.group("year")
return (name, album, year)
else:
logger.info("Couldn't parse %s into a valid Newbin format", s)
return (name, album, year)
def smartMove(src, dest, delete=True):
from headphones import logger
source_dir = os.path.dirname(src)
filename = os.path.basename(src)
if os.path.isfile(os.path.join(dest, filename)):
logger.info('Destination file exists: %s', os.path.join(dest, filename))
title = os.path.splitext(filename)[0]
ext = os.path.splitext(filename)[1]
i = 1
while True:
newfile = title + '(' + str(i) + ')' + ext
if os.path.isfile(os.path.join(dest, newfile)):
i += 1
else:
logger.info('Renaming to %s', newfile)
try:
os.rename(src, os.path.join(source_dir, newfile))
filename = newfile
except Exception as e:
logger.warn('Error renaming %s: %s',
src.decode(headphones.SYS_ENCODING, 'replace'), e)
break
try:
if delete:
shutil.move(os.path.join(source_dir, filename), os.path.join(dest, filename))
else:
shutil.copy(os.path.join(source_dir, filename), os.path.join(dest, filename))
return True
except Exception as e:
logger.warn('Error moving file %s: %s', filename.decode(headphones.SYS_ENCODING, 'replace'),
e)
def walk_directory(basedir, followlinks=True):
"""
Enhanced version of 'os.walk' where symlink directores are traversed, but
with care. In case a folder is already processed, don't traverse it again.
"""
import logger
# Add the base path, because symlinks poiting to the basedir should not be
# traversed again.
traversed = [os.path.abspath(basedir)]
def _inner(root, directories, files):
for directory in directories:
path = os.path.join(root, directory)
if followlinks and os.path.islink(path):
real_path = os.path.abspath(os.readlink(path))
if real_path in traversed:
logger.debug("Skipping '%s' since it is a symlink to "
"'%s', which is already visited.", path, real_path)
else:
traversed.append(real_path)
for args in os.walk(real_path):
for result in _inner(*args):
yield result
# Pass on actual result
yield root, directories, files
# Start traversing
for args in os.walk(basedir):
for result in _inner(*args):
yield result
#########################
# Sab renaming functions #
#########################
# TODO: Grab config values from sab to know when these options are checked. For now we'll just iterate through all combinations
def sab_replace_dots(name):
return name.replace('.', ' ')
def sab_replace_spaces(name):
return name.replace(' ', '_')
def sab_sanitize_foldername(name):
""" Return foldername with dodgy chars converted to safe ones
Remove any leading and trailing dot and space characters
"""
CH_ILLEGAL = r'\/<>?*|"'
CH_LEGAL = r'++{}!@#`'
FL_ILLEGAL = CH_ILLEGAL + ':\x92"'
FL_LEGAL = CH_LEGAL + "-''"
uFL_ILLEGAL = FL_ILLEGAL.decode('latin-1')
uFL_LEGAL = FL_LEGAL.decode('latin-1')
if not name:
return name
if isinstance(name, unicode):
illegal = uFL_ILLEGAL
legal = uFL_LEGAL
else:
illegal = FL_ILLEGAL
legal = FL_LEGAL
lst = []
for ch in name.strip():
if ch in illegal:
ch = legal[illegal.find(ch)]
lst.append(ch)
else:
lst.append(ch)
name = ''.join(lst)
name = name.strip('. ')
if not name:
name = 'unknown'
# maxlen = cfg.folder_max_length()
# if len(name) > maxlen:
# name = name[:maxlen]
return name
def split_string(mystring, splitvar=','):
mylist = []
for each_word in mystring.split(splitvar):
mylist.append(each_word.strip())
return mylist
def create_https_certificates(ssl_cert, ssl_key):
"""
Create a pair of self-signed HTTPS certificares and store in them in
'ssl_cert' and 'ssl_key'. Method assumes pyOpenSSL is installed.
This code is stolen from SickBeard (http://github.com/midgetspy/Sick-Beard).
"""
from headphones import logger
from OpenSSL import crypto
from certgen import createKeyPair, createCertRequest, createCertificate, \
TYPE_RSA, serial
# Create the CA Certificate
cakey = createKeyPair(TYPE_RSA, 2048)
careq = createCertRequest(cakey, CN="Certificate Authority")
cacert = createCertificate(careq, (careq, cakey), serial,
(0, 60 * 60 * 24 * 365 * 10)) # ten years
pkey = createKeyPair(TYPE_RSA, 2048)
req = createCertRequest(pkey, CN="Headphones")
cert = createCertificate(req, (cacert, cakey), serial,
(0, 60 * 60 * 24 * 365 * 10)) # ten years
# Save the key and certificate to disk
try:
with open(ssl_key, "w") as fp:
fp.write(crypto.dump_privatekey(crypto.FILETYPE_PEM, pkey))
with open(ssl_cert, "w") as fp:
fp.write(crypto.dump_certificate(crypto.FILETYPE_PEM, cert))
except IOError as e:
logger.error("Error creating SSL key and certificate: %s", e)
return False
return True