def _send(message_list):
from rsab.listenagain import config
import email.Utils
import smtplib
if config.has_option('email', 'from'):
email_from = config.get('email', 'from')
else:
email_from = DEFAULT_FROM
if config.has_option('email', 'smtphost'):
smtphost = config.get('email', 'smtphost')
else:
smtphost = ''
if not smtphost:
raise ListenAgainConfigError('[email]/smtphost not set')
if config.has_option('email', 'smtpport'):
smtpport = config.getint('email', 'smtpport')
else:
smtpport = None
if not smtpport:
smtpport = 25
if config.has_option('email', 'smtpusername'):
smtpusername = config.get('email', 'smtpusername')
else:
smtpusername = ''
if config.has_option('email', 'smtppassword'):
smtppassword = config.get('email', 'smtppassword')
else:
smtppassword = ''
sent = 0
smtp = smtplib.SMTP(smtphost, smtpport)
if smtpusername:
try:
smtp.login(smtpusername, smtppassword)
except smtplib.SMTPException, e:
print 'ERROR: Could not log in to SMTP server.'
print e
return sent
def make_wav_files(bounds_and_files, schedule_list):
import datetime
import os
import wave
from rsab.listenagain import config, schedule, utils
if config.has_option('main', 'wavs'):
output_dir = config.get('main', 'wavs')
else:
output_dir = os.getcwd()
if not os.path.exists(output_dir):
os.makedirs(output_dir)
if not bounds_and_files:
return None
wav_reader = wave.open(bounds_and_files[0][2], 'rb')
output_wav_params = wav_reader.getparams()
output_wav_params = list(output_wav_params)
output_wav_params[3] = 0
output_wav_params = tuple(output_wav_params)
wav_reader.close()
frame_rate = output_wav_params[2]
frame_size = output_wav_params[0] + output_wav_params[1]
if config.has_option('main', 'framechunksize'):
frame_chunk = config.getint('main', 'framechunksize')
else:
frame_chunk = 65536
print 'Reading audio data in chunks of', utils.format_large_number(frame_chunk), 'frames'
print 'Output directory:', output_dir
output_wav_files = []
bounds_and_files.sort()
for details in schedule_list:
if not details['record']:
continue
actual_time_start = utils.apply_padding(details['start'], details.get('pad_start', 0), subtract=True)
actual_time_start = datetime.datetime.combine(details['date'], actual_time_start)
actual_time_end = utils.apply_padding(details['end'], details.get('pad_end', 0), subtract=False)
actual_time_end = datetime.datetime.combine(details['date'], actual_time_end)
print
print 'Schedule:', schedule.get_schedule_item_as_string(details)
output_file_name = os.path.join(output_dir, make_output_file_name(details, 'wav'))
print 'Output file:', os.path.split(output_file_name)[1]
wav_writer = wave.open(output_file_name, 'wb')
wav_writer.setparams(output_wav_params)
for wav_file_start, wav_file_end, wav_file_path in bounds_and_files:
if wav_file_start.date() != details['date'] \
or wav_file_end.date() != details['date'] \
or wav_file_end <= actual_time_start \
or wav_file_start >= actual_time_end:
continue
wav_reader = wave.open(wav_file_path, 'rb')
start_frame = end_frame = None
if wav_file_start < actual_time_start:
start_frame = (actual_time_start - wav_file_start).seconds * frame_rate
if wav_file_end > actual_time_end:
end_frame = (actual_time_end - wav_file_start).seconds * frame_rate
if start_frame is None:
start_frame = 0
if end_frame is None:
end_frame = wav_reader.getnframes()
to_read = start_frame
print 'Skipping', utils.format_large_number(to_read), 'frames in', os.path.split(wav_file_path)[1]
while to_read > 0:
data = wav_reader.readframes(min(to_read, frame_chunk))
if not data:
break
to_read -= (len(data) / frame_size)
to_read = end_frame - start_frame
print 'Copying', utils.format_large_number(to_read), 'frames from', os.path.split(wav_file_path)[1]
while to_read > 0:
data = wav_reader.readframes(min(to_read, frame_chunk))
if not data:
break
to_read -= (len(data) / frame_size)
wav_writer.writeframes(data)
wav_reader.close()
wrote_frames = wav_writer.getnframes()
wav_writer.close()
if wrote_frames:
print 'Wrote', utils.format_large_number(wrote_frames), 'frames'
output_wav_files.append(output_file_name)
else:
print 'Wrote no frames; deleting empty file'
os.unlink(output_file_name)
return output_wav_files
def notify_all(uploaded_files):
from rsab.listenagain import config
import html
import schedule
from email.MIMEText import MIMEText
import os
import sets
if uploaded_files is None:
return
mapping = { None: sets.Set(uploaded_files), }
for fname in uploaded_files:
details = schedule.schedule_from_audio_file_name(fname)
for name in [details['show']] + details.get('presenters', []):
if name not in mapping:
mapping[name] = sets.Set()
mapping[name].add(fname)
config_sections = [
sname
for sname in config.sections()
if sname == 'notify' or sname.startswith('notify.')
]
if config.has_option('ftp', 'keep_days'):
keep_days = config.getint('ftp', 'keep_days')
else:
keep_days = 7
if config.has_option('main', 'userfacingserveraddress'):
remote_server = config.get('main', 'userfacingserveraddress')
else:
remote_server = 'http://listenagain.rsab.org'
if config.has_option('ftp', 'audio_path'):
remote_path = config.get('ftp', 'audio_path')
else:
remote_path = '/audio'
if config.has_option('email', 'from'):
email_from = config.get('email', 'from')
else:
email_from = DEFAULT_FROM
print
print 'Notification emails:'
messages = []
for section in config_sections:
print
print 'Section name:', section
if config.has_option(section, 'email'):
addresses = filter(None, [x.strip() for x in config.get(section, 'email').split(',')])
else:
addresses = []
print 'Addresses:', (addresses and ', '.join(addresses) or '(none)')
if not addresses:
print 'Skipping'
continue
if config.has_option(section, 'match'):
match_names = filter(None, [x.strip() for x in config.get(section, 'match').split(',')])
else:
match_names = []
print 'Requested:', ('*' in match_names and '(all)' or ', '.join(match_names))
if '*' in match_names:
notify_files = list(mapping[None])
elif match_names:
notify_files = sets.Set()
for name in match_names:
notify_files.update(mapping.get(name, []))
notify_files = list(notify_files)
else:
notify_files = []
if not notify_files:
print 'No files matched.'
continue
notify_files.sort()
if config.has_option(section, 'subject'):
subject = config.get(section, 'subject')
else:
subject = 'New files uploaded by Radio St Austell Bay'
if config.has_option(section, 'template'):
template_name = config.get(section, 'template')
else:
template_name = 'mail-notify-default.txt'
template = html.Template(template_name) # Not actually HTML!
template.keep_days = keep_days
files_string = '\n'.join([
' %s%s/%s' % (
remote_server,
remote_path,
os.path.split(fname)[1],
)
for fname in notify_files
])
template.files = files_string
print 'Files:'
print files_string
message = MIMEText(str(template))
message['Subject'] = subject
message['From'] = email_from
message['To'] = ', '.join(addresses)
messages.append(message)
print
print 'Sending messages...'
print
sent = _send(messages)
print
print 'Done. Sent %s of %s messages' % (sent, len(messages))
def get_schedule(date, filter_items=None):
import datetime
import glob
import os
from rsab.listenagain import \
config, \
utils, \
ListenAgainConfigError
schedules_folder = None
if config.has_option('main', 'schedules'):
schedules_folder = config.get('main', 'schedules')
if not os.path.isdir(schedules_folder):
raise ListenAgainConfigError('Cannot find schedules folder', schedules_folder)
schedule_file_path = None
require_dow = True
override_file_path = os.path.join(schedules_folder, 'override', date.strftime('%Y-%m-%d.csv'))
if os.path.isfile(override_file_path):
schedule_file_path = override_file_path
require_dow = False
if schedule_file_path is None:
override_file_path = os.path.join(schedules_folder, 'override', date.strftime('%Y-%m-%d.txt'))
if os.path.isfile(override_file_path):
schedule_file_path = override_file_path
require_dow = False
if schedule_file_path is None:
schedule_files_by_date = []
for fname in glob.glob(os.path.join(schedules_folder, '*.csv')) + glob.glob(os.path.join(schedules_folder, '*.txt')):
fname_base = os.path.splitext(os.path.split(fname)[1])[0]
date_for_fname = utils.parse_date(fname_base)
if date_for_fname is None:
print 'schedule.get_schedule: Could not interpret filename as date:', fname
continue
schedule_files_by_date.append( (date_for_fname, fname) )
schedule_files_by_date.sort()
schedule_file_path = None
for date_for_fname, try_schedule_file_path in schedule_files_by_date:
# Later date: don't change the file we've already remembered, as
# it's the latest one before the current date. Break.
if date_for_fname > date:
break
# The file's date is less than or equal to the date we want. Keep
# this file as a candidate for the schedule.
schedule_file_path = try_schedule_file_path
# Exact date: keep the file and break. XXX I suspect we don't need
# this clause as it will all work anyway, but let's be explicit...
if date_for_fname == date:
break
if schedule_file_path is None:
schedule_from_file = []
else:
schedule_from_file = read_schedule_file(
date,
schedule_file_path,
dow=date.weekday(),
require_dow=require_dow,
)
pad_start = pad_end = 0
if config.has_option('main', 'padstart'):
pad_start = config.getint('main', 'padstart')
if config.has_option('main', 'padend'):
pad_end = config.getint('main', 'padend')
schedule = []
for details in schedule_from_file:
if filter_items:
for filter_item in filter_items:
if filter_item == details['show'] \
or filter_item in details.get('presenters', []):
break
else:
continue
if details.get('pad_start') is None:
details['pad_start'] = pad_start
if details.get('pad_end') is None:
details['pad_end'] = pad_end
schedule.append(details)
return schedule
