# Path: chirp/common/timestamp.py
# _TIMESTAMP_FORMAT = "%Y%m%d-%H%M%S"
# _PRETTY_FORMAT = "%c"
# PROCESS_START_TIME = time.time()  # time of importing this file
# _MIN_REASONABLE_TIMESTAMP = parse_human_readable("20081130-000000")
# _MAX_REASONABLE_TIMESTAMP = parse_human_readable("20380119-000000")
# _SECONDS_PER_MINUTE = 60
# _SECONDS_PER_HOUR = 60 * _SECONDS_PER_MINUTE
# _SECONDS_PER_DAY = 24 * _SECONDS_PER_HOUR
# def now():
# def now_ms():
# def process_start_time_ms():
# def process_age_ms():
# def get_human_readable(ts=None):
# def get_human_readable_ms(ms_ts):
# def get_pretty(ts=None):
# def get_pretty_ms(ms_ts):
# def parse_human_readable(human_readable_str):
# def is_valid(ts):
# def get_human_readable_duration(duration_s):
#     def _pluralize(n, unit):
# def get_human_readable_duration_ms(duration_ms):
# 
# Path: chirp/library/audio_file.py
# class AudioFile(object):
#     def __eq__(self, other):
#         def _mutagen_id3_set(obj):
#     def has_ufid(self):
#     def ufid(self):
#     def ufid_tag(self):
#     def tpe1(self):
#     def talb(self):
#     def tit2(self):
#     def canonical_directory(self, prefix=""):
#     def canonical_filename(self):
#     def canonical_path(self, prefix=""):
# def _get_mp3(path):
# def _tag_to_int(au_file, tag_key):
# def scan_fast(path, _read_id3_hook=None):
# def scan(path, _read_id3_hook=None):
# 
# Path: chirp/library/schema.py
# def audio_file_to_tuple(au_file):
# def tuple_to_audio_file(au_file_tuple):
# def id3_tag_to_tuple(fingerprint, timestamp, tag):


import sqlite3
import mutagen.id3
from chirp.common import timestamp
from chirp.library import audio_file
from chirp.library import schema
  * Get all audio files that were part of a particular import
    (Database.get_by_import)
  * Find a single audio file by it's fingerprint (Database.get_by_fingerprint)
  * Transactionally add N new audio files, grouped into a single import
    (Database.begin_add, Database.update)
  * Write a single audio file's updated ID3 tags into the database
    (Database.update)

Extending the functionality of this module to support other operations
is *strongly* discouraged.

This is the *only* code that should write to either the audio_files or
id3_tags tables.  Everyone and everything else should treat those
tables as read-only.
TODO(trow): This should be enforced by db permissions in our final prod
environment.
"""





def _insert(target, table_name, insert_tuple):
    """Shorthand for inserting a tuple of items into a table."""
    sql = "INSERT INTO %s VALUES (%s)" % (
        table_name,
        ",".join(["?"] * len(insert_tuple)))
    target.execute(sql, insert_tuple)



# Path: chirp/common/timestamp.py
# _TIMESTAMP_FORMAT = "%Y%m%d-%H%M%S"
# _PRETTY_FORMAT = "%c"
# PROCESS_START_TIME = time.time()  # time of importing this file
# _MIN_REASONABLE_TIMESTAMP = parse_human_readable("20081130-000000")
# _MAX_REASONABLE_TIMESTAMP = parse_human_readable("20380119-000000")
# _SECONDS_PER_MINUTE = 60
# _SECONDS_PER_HOUR = 60 * _SECONDS_PER_MINUTE
# _SECONDS_PER_DAY = 24 * _SECONDS_PER_HOUR
# def now():
# def now_ms():
# def process_start_time_ms():
# def process_age_ms():
# def get_human_readable(ts=None):
# def get_human_readable_ms(ms_ts):
# def get_pretty(ts=None):
# def get_pretty_ms(ms_ts):
# def parse_human_readable(human_readable_str):
# def is_valid(ts):
# def get_human_readable_duration(duration_s):
#     def _pluralize(n, unit):
# def get_human_readable_duration_ms(duration_ms):
# 
# Path: chirp/library/audio_file.py
# class AudioFile(object):
#     def __eq__(self, other):
#         def _mutagen_id3_set(obj):
#     def has_ufid(self):
#     def ufid(self):
#     def ufid_tag(self):
#     def tpe1(self):
#     def talb(self):
#     def tit2(self):
#     def canonical_directory(self, prefix=""):
#     def canonical_filename(self):
#     def canonical_path(self, prefix=""):
# def _get_mp3(path):
# def _tag_to_int(au_file, tag_key):
# def scan_fast(path, _read_id3_hook=None):
# def scan(path, _read_id3_hook=None):
# 
# Path: chirp/library/schema.py
# def audio_file_to_tuple(au_file):
# def tuple_to_audio_file(au_file_tuple):
# def id3_tag_to_tuple(fingerprint, timestamp, tag):


# Path: chirp/library/database.py
import sqlite3
import mutagen.id3
from chirp.common import timestamp
from chirp.library import audio_file
from chirp.library import schema

  * Get all audio files that were part of a particular import
    (Database.get_by_import)
  * Find a single audio file by it's fingerprint (Database.get_by_fingerprint)
  * Transactionally add N new audio files, grouped into a single import
    (Database.begin_add, Database.update)
  * Write a single audio file's updated ID3 tags into the database
    (Database.update)

Extending the functionality of this module to support other operations
is *strongly* discouraged.

This is the *only* code that should write to either the audio_files or
id3_tags tables.  Everyone and everything else should treat those
tables as read-only.
TODO(trow): This should be enforced by db permissions in our final prod
environment.
"""





def _insert(target, table_name, insert_tuple):
    """Shorthand for inserting a tuple of items into a table."""
    sql = "INSERT INTO %s VALUES (%s)" % (
        table_name,
        ",".join(["?"] * len(insert_tuple)))
    target.execute(sql, insert_tuple)



def _insert_tags(conn, fingerprint, timestamp, mutagen_id3):