Files
instaloader/instaloader/lateststamps.py
2023-09-18 08:15:35 +02:00

118 lines
4.8 KiB
Python

import configparser
from datetime import datetime, timezone
from typing import Optional
from os.path import dirname
from os import makedirs
class LatestStamps:
"""LatestStamps class.
Convenience class for retrieving and storing data from the :option:`--latest-stamps` file.
:param latest_stamps_file: path to file.
.. versionadded:: 4.8"""
PROFILE_ID = 'profile-id'
PROFILE_PIC = 'profile-pic'
POST_TIMESTAMP = 'post-timestamp'
TAGGED_TIMESTAMP = 'tagged-timestamp'
IGTV_TIMESTAMP = 'igtv-timestamp'
STORY_TIMESTAMP = 'story-timestamp'
ISO_FORMAT = '%Y-%m-%dT%H:%M:%S.%f%z'
def __init__(self, latest_stamps_file):
self.file = latest_stamps_file
self.data = configparser.ConfigParser()
self.data.read(latest_stamps_file)
def _save(self):
if dn := dirname(self.file):
makedirs(dn, exist_ok=True)
with open(self.file, 'w') as f:
self.data.write(f)
def _ensure_section(self, section: str):
if not self.data.has_section(section):
self.data.add_section(section)
def get_profile_id(self, profile_name: str) -> Optional[int]:
"""Returns stored ID of profile."""
try:
return self.data.getint(profile_name, self.PROFILE_ID)
except (configparser.Error, ValueError):
return None
def save_profile_id(self, profile_name: str, profile_id: int):
"""Stores ID of profile."""
self._ensure_section(profile_name)
self.data.set(profile_name, self.PROFILE_ID, str(profile_id))
self._save()
def rename_profile(self, old_profile: str, new_profile: str):
"""Renames a profile."""
self._ensure_section(new_profile)
for option in [self.PROFILE_ID, self.PROFILE_PIC, self.POST_TIMESTAMP,
self.TAGGED_TIMESTAMP, self.IGTV_TIMESTAMP, self.STORY_TIMESTAMP]:
if self.data.has_option(old_profile, option):
value = self.data.get(old_profile, option)
self.data.set(new_profile, option, value)
self.data.remove_section(old_profile)
self._save()
def _get_timestamp(self, section: str, key: str) -> datetime:
try:
return datetime.strptime(self.data.get(section, key), self.ISO_FORMAT)
except (configparser.Error, ValueError):
return datetime.fromtimestamp(0, timezone.utc)
def _set_timestamp(self, section: str, key: str, timestamp: datetime):
self._ensure_section(section)
self.data.set(section, key, timestamp.strftime(self.ISO_FORMAT))
self._save()
def get_last_post_timestamp(self, profile_name: str) -> datetime:
"""Returns timestamp of last download of a profile's posts."""
return self._get_timestamp(profile_name, self.POST_TIMESTAMP)
def set_last_post_timestamp(self, profile_name: str, timestamp: datetime):
"""Sets timestamp of last download of a profile's posts."""
self._set_timestamp(profile_name, self.POST_TIMESTAMP, timestamp)
def get_last_tagged_timestamp(self, profile_name: str) -> datetime:
"""Returns timestamp of last download of a profile's tagged posts."""
return self._get_timestamp(profile_name, self.TAGGED_TIMESTAMP)
def set_last_tagged_timestamp(self, profile_name: str, timestamp: datetime):
"""Sets timestamp of last download of a profile's tagged posts."""
self._set_timestamp(profile_name, self.TAGGED_TIMESTAMP, timestamp)
def get_last_igtv_timestamp(self, profile_name: str) -> datetime:
"""Returns timestamp of last download of a profile's igtv posts."""
return self._get_timestamp(profile_name, self.IGTV_TIMESTAMP)
def set_last_igtv_timestamp(self, profile_name: str, timestamp: datetime):
"""Sets timestamp of last download of a profile's igtv posts."""
self._set_timestamp(profile_name, self.IGTV_TIMESTAMP, timestamp)
def get_last_story_timestamp(self, profile_name: str) -> datetime:
"""Returns timestamp of last download of a profile's stories."""
return self._get_timestamp(profile_name, self.STORY_TIMESTAMP)
def set_last_story_timestamp(self, profile_name: str, timestamp: datetime):
"""Sets timestamp of last download of a profile's stories."""
self._set_timestamp(profile_name, self.STORY_TIMESTAMP, timestamp)
def get_profile_pic(self, profile_name: str) -> str:
"""Returns filename of profile's last downloaded profile pic."""
try:
return self.data.get(profile_name, self.PROFILE_PIC)
except configparser.Error:
return ""
def set_profile_pic(self, profile_name: str, profile_pic: str):
"""Sets filename of profile's last downloaded profile pic."""
self._ensure_section(profile_name)
self.data.set(profile_name, self.PROFILE_PIC, profile_pic)
self._save()