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-rw-r--r--vk/utils/tracking/db/backend/__init__.py (renamed from vk/utils/tracking/db/reader/__init__.py)2
-rw-r--r--vk/utils/tracking/db/backend/csv.py63
-rw-r--r--vk/utils/tracking/db/backend/log.py75
-rw-r--r--vk/utils/tracking/db/backend/null.py37
4 files changed, 176 insertions, 1 deletions
diff --git a/vk/utils/tracking/db/reader/__init__.py b/vk/utils/tracking/db/backend/__init__.py
index 330d5a8..4b3c278 100644
--- a/vk/utils/tracking/db/reader/__init__.py
+++ b/vk/utils/tracking/db/backend/__init__.py
@@ -2,4 +2,4 @@
# This file is licensed under the terms of the MIT License.
# See LICENSE.txt for details.
-__all__ = 'csv',
+__all__ = 'csv', 'log', 'null'
diff --git a/vk/utils/tracking/db/backend/csv.py b/vk/utils/tracking/db/backend/csv.py
new file mode 100644
index 0000000..10a504f
--- /dev/null
+++ b/vk/utils/tracking/db/backend/csv.py
@@ -0,0 +1,63 @@
+# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is licensed under the terms of the MIT License.
+# See LICENSE.txt for details.
+
+from collections.abc import Iterable
+import csv
+
+from ..record import Record
+from ..timestamp import Timestamp
+
+class Writer:
+ def __init__(self, fd):
+ self._fd = fd
+ self._writer = csv.writer(fd, lineterminator='\n')
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *args):
+ pass
+
+ def on_initial_status(self, user):
+ self._write_record(user)
+ self._fd.flush()
+
+ def on_status_update(self, user):
+ self._write_record(user)
+ self._fd.flush()
+
+ def on_connection_error(self, e):
+ pass
+
+ def _write_record(self, user):
+ if not self:
+ return
+ self._write_row(self._record_to_row(Record.from_user(user)))
+
+ def _write_row(self, row):
+ self._writer.writerow(row)
+
+ @staticmethod
+ def _record_to_row(record):
+ return [str(record.get_timestamp())] + [str(record[field]) for field in record]
+
+class Reader(Iterable):
+ def __init__(self, fd):
+ self._reader = csv.reader(fd)
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *args):
+ pass
+
+ def __iter__(self):
+ return map(Reader._record_from_row, self._reader)
+
+ @staticmethod
+ def _record_from_row(row):
+ record = Record(Timestamp.from_string(row[0]))
+ for i in range(len(Record.FIELDS)):
+ record[Record.FIELDS[i]] = row[i + 1]
+ return record
diff --git a/vk/utils/tracking/db/backend/log.py b/vk/utils/tracking/db/backend/log.py
new file mode 100644
index 0000000..625257b
--- /dev/null
+++ b/vk/utils/tracking/db/backend/log.py
@@ -0,0 +1,75 @@
+# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is licensed under the terms of the MIT License.
+# See LICENSE.txt for details.
+
+import logging
+
+class Writer:
+ def __init__(self, fd):
+ self._logger = logging.getLogger(__file__)
+ self._logger.setLevel(logging.INFO)
+ handler = logging.StreamHandler(fd)
+ handler.setFormatter(logging.Formatter(
+ fmt='[%(asctime)s] %(message)s',
+ datefmt='%Y-%m-%d %H:%M:%S'))
+ self._logger.addHandler(handler)
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *args):
+ pass
+
+ def info(self, msg):
+ self._logger.info(msg)
+
+ def exception(self, e):
+ self._logger.exception(e)
+
+ def on_initial_status(self, user):
+ if user.is_online():
+ self.info(self._format_user_is_online(user))
+ else:
+ self.info(self._format_user_is_offline(user))
+ self.info(self._format_user_last_seen(user))
+
+ def on_status_update(self, user):
+ if user.is_online():
+ self.info(self._format_user_went_online(user))
+ else:
+ self.info(self._format_user_went_offline(user))
+ self.info(self._format_user_last_seen(user))
+
+ def on_connection_error(self, e):
+ #self.exception(e)
+ pass
+
+ @staticmethod
+ def _format_user(user):
+ if user.has_last_name():
+ return '{} {}'.format(user.get_first_name(), user.get_last_name())
+ else:
+ return '{}'.format(user.get_first_name())
+
+ @staticmethod
+ def _format_user_is_online(user):
+ return '{} is ONLINE.'.format(Writer._format_user(user))
+
+ @staticmethod
+ def _format_user_is_offline(user):
+ return '{} is OFFLINE.'.format(Writer._format_user(user))
+
+ @staticmethod
+ def _format_user_last_seen(user):
+ return '{} was last seen at {} using {}.'.format(
+ Writer._format_user(user),
+ user.get_last_seen_time_local(),
+ user.get_last_seen_platform().get_description_for_sentence())
+
+ @staticmethod
+ def _format_user_went_online(user):
+ return '{} went ONLINE.'.format(Writer._format_user(user))
+
+ @staticmethod
+ def _format_user_went_offline(user):
+ return '{} went OFFLINE.'.format(Writer._format_user(user))
diff --git a/vk/utils/tracking/db/backend/null.py b/vk/utils/tracking/db/backend/null.py
new file mode 100644
index 0000000..139a9f0
--- /dev/null
+++ b/vk/utils/tracking/db/backend/null.py
@@ -0,0 +1,37 @@
+# Copyright 2016 Egor Tensin <Egor.Tensin@gmail.com>
+# This file is licensed under the terms of the MIT License.
+# See LICENSE.txt for details.
+
+from collections.abc import Iterable
+
+class Writer:
+ def __init__(self, fd):
+ pass
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *args):
+ pass
+
+ def on_initial_status(self, user):
+ pass
+
+ def on_status_update(self, user):
+ pass
+
+ def on_connection_error(self, e):
+ pass
+
+class Reader(Iterable):
+ def __init__(self, fd):
+ pass
+
+ def __enter__(self):
+ return self
+
+ def __exit__(self, *args):
+ pass
+
+ def __iter__(self):
+ pass