fix ABID generation by chopping ts_src precision to consistent length

This commit is contained in:
Nick Sweeting 2024-09-04 02:02:29 -07:00
parent d060eaa499
commit 4427869ae8
No known key found for this signature in database
5 changed files with 122 additions and 109 deletions

View file

@ -114,7 +114,7 @@ class ABID(NamedTuple):
@enforce_types
def uri_hash(uri: Union[str, bytes], salt: str=DEFAULT_ABID_URI_SALT) -> str:
"""
'E4A5CCD9AF4ED2A6E0954DF19FD274E9CDDB4853051F033FD518BFC90AA1AC25'
https://example.com -> 'E4A5CCD9AF4ED2A6E0954DF19FD274E9CDDB4853051F033FD518BFC90AA1AC25' (example.com)
"""
if isinstance(uri, bytes):
uri_str: str = uri.decode()
@ -130,6 +130,7 @@ def uri_hash(uri: Union[str, bytes], salt: str=DEFAULT_ABID_URI_SALT) -> str:
except AttributeError:
pass
# the uri hash is the sha256 of the domain + salt
uri_bytes = uri_str.encode('utf-8') + salt.encode('utf-8')
return hashlib.sha256(uri_bytes).hexdigest().upper()
@ -162,7 +163,11 @@ def abid_part_from_ts(ts: datetime) -> str:
return str(ulid.from_timestamp(ts))[:ABID_TS_LEN]
@enforce_types
def abid_part_from_subtype(subtype: str) -> str:
def ts_from_abid(abid: str) -> datetime:
return ulid.parse(abid.split('_', 1)[-1]).timestamp().datetime
@enforce_types
def abid_part_from_subtype(subtype: str | int) -> str:
"""
Snapshots have 01 type, other objects have other subtypes like wget/media/etc.
Also allows us to change the ulid spec later by putting special sigil values here.
@ -196,7 +201,7 @@ def abid_part_from_rand(rand: Union[str, UUID, None, int]) -> str:
@enforce_types
def abid_hashes_from_values(prefix: str, ts: datetime, uri: str, subtype: str, rand: Union[str, UUID, None, int], salt: str=DEFAULT_ABID_URI_SALT) -> Dict[str, str]:
def abid_hashes_from_values(prefix: str, ts: datetime, uri: str, subtype: str | int, rand: Union[str, UUID, None, int], salt: str=DEFAULT_ABID_URI_SALT) -> Dict[str, str]:
return {
'prefix': abid_part_from_prefix(prefix),
'ts': abid_part_from_ts(ts),

View file

@ -27,7 +27,7 @@ def get_abid_info(self, obj, request=None):
try:
abid_diff = f' != obj.ABID: {highlight_diff(obj.ABID, obj.abid)}' if str(obj.ABID) != str(obj.abid) else ' == .ABID ✅'
fresh_abid = obj.ABID_FRESH
fresh_abid = obj.ABID
fresh_abid_diff = f' !=   .fresh_abid: {highlight_diff(fresh_abid, obj.ABID)}' if str(fresh_abid) != str(obj.ABID) else ''
fresh_uuid_diff = f' !=   .fresh_uuid: {highlight_diff(fresh_abid.uuid, obj.ABID.uuid)}' if str(fresh_abid.uuid) != str(obj.ABID.uuid) else ''
@ -35,17 +35,17 @@ def get_abid_info(self, obj, request=None):
id_abid_diff = f' != .abid.uuid: {highlight_diff(obj.ABID.uuid, obj.id)}' if str(obj.id) != str(obj.ABID.uuid) else ' == .abid ✅'
id_pk_diff = f' != .pk: {highlight_diff(obj.pk, obj.id)}' if str(obj.pk) != str(obj.id) else ' == .pk ✅'
source_ts_val = parse_date(obj.abid_values['ts']) or None
derived_ts = abid_part_from_ts(source_ts_val) if source_ts_val else None
fresh_ts = parse_date(obj.ABID_FRESH_VALUES['ts']) or None
derived_ts = abid_part_from_ts(fresh_ts) if fresh_ts else None
ts_diff = f'!= {highlight_diff(derived_ts, obj.ABID.ts)}' if derived_ts != obj.ABID.ts else ''
derived_uri = abid_part_from_uri(obj.abid_values['uri'])
derived_uri = abid_part_from_uri(obj.ABID_FRESH_VALUES['uri'])
uri_diff = f'!= {highlight_diff(derived_uri, obj.ABID.uri)}' if derived_uri != obj.ABID.uri else ''
derived_subtype = abid_part_from_subtype(obj.abid_values['subtype'])
derived_subtype = abid_part_from_subtype(obj.ABID_FRESH_VALUES['subtype'])
subtype_diff = f'!= {highlight_diff(derived_subtype, obj.ABID.subtype)}' if derived_subtype != obj.ABID.subtype else ''
derived_rand = abid_part_from_rand(obj.abid_values['rand'])
derived_rand = abid_part_from_rand(obj.ABID_FRESH_VALUES['rand'])
rand_diff = f'!= {highlight_diff(derived_rand, obj.ABID.rand)}' if derived_rand != obj.ABID.rand else ''
# any_abid_discrepancies = any(
@ -60,9 +60,9 @@ def get_abid_info(self, obj, request=None):
<a href="{}" style="font-size: 16px; font-family: monospace; user-select: all; border-radius: 8px; background-color: #ddf; padding: 3px 5px; border: 1px solid #aaa; margin-bottom: 8px; display: inline-block; vertical-align: top;">{}</a> &nbsp; &nbsp; <a href="{}" style="color: limegreen; font-size: 0.9em; vertical-align: 1px; font-family: monospace;">📖 API DOCS</a>
<br/><hr/>
<div style="opacity: 0.8">
&nbsp; &nbsp; <small style="opacity: 0.8">.abid: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <code style="font-size: 10px; user-select: all">{}</code> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {}</small><br/>
&nbsp; &nbsp; <small style="opacity: 0.8">.abid.uuid: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <code style="font-size: 10px; user-select: all">{}</code> &nbsp; &nbsp; {}</small><br/>
&nbsp; &nbsp; <small style="opacity: 0.8">.id: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<code style="font-size: 10px; user-select: all">{}</code> &nbsp; &nbsp; {}</small><br/>
&nbsp; &nbsp; <small style="opacity: 0.8">.abid.uuid: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <code style="font-size: 10px; user-select: all">{}</code> &nbsp; &nbsp; {}</small><br/>
&nbsp; &nbsp; <small style="opacity: 0.8">.abid: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <code style="font-size: 10px; user-select: all">{}</code> &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {}</small><br/>
<hr/>
&nbsp; &nbsp; TS: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<code style="font-size: 10px;"><b style="user-select: all">{}</b> &nbsp; {}</code> &nbsp; &nbsp; &nbsp;&nbsp; <code style="font-size: 10px;"><b>{}</b></code> {}: <code style="user-select: all">{}</code><br/>
&nbsp; &nbsp; URI: &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <code style="font-size: 10px;"><b style="user-select: all">{}</b> &nbsp; &nbsp; {}</code> &nbsp;&nbsp; &nbsp; &nbsp; &nbsp;&nbsp; <code style="font-size: 10px;"><b>{}</b></code> <span style="display:inline-block; vertical-align: -4px; width: 330px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;">{}: <code style="user-select: all">{}</code></span><br/>
@ -73,15 +73,15 @@ def get_abid_info(self, obj, request=None):
</div>
''',
obj.api_url + (f'?api_key={get_or_create_api_token(request.user)}' if request and request.user else ''), obj.api_url, obj.api_docs_url,
highlight_diff(obj.id, obj.ABID.uuid), mark_safe(id_pk_diff + id_abid_diff),
highlight_diff(obj.ABID.uuid, obj.id), mark_safe(fresh_uuid_diff),
highlight_diff(obj.abid, fresh_abid), mark_safe(fresh_abid_diff),
highlight_diff(obj.ABID.uuid, fresh_abid.uuid), mark_safe(fresh_uuid_diff),
str(obj.id), mark_safe(id_pk_diff + id_abid_diff + id_fresh_abid_diff),
# str(fresh_abid.uuid), mark_safe(fresh_uuid_diff),
# str(fresh_abid), mark_safe(fresh_abid_diff),
highlight_diff(obj.ABID.ts, derived_ts), highlight_diff(str(obj.ABID.uuid)[0:14], str(fresh_abid.uuid)[0:14]), mark_safe(ts_diff), obj.abid_ts_src, source_ts_val and source_ts_val.isoformat(),
highlight_diff(obj.ABID.uri, derived_uri), highlight_diff(str(obj.ABID.uuid)[14:26], str(fresh_abid.uuid)[14:26]), mark_safe(uri_diff), obj.abid_uri_src, str(obj.abid_values['uri']),
highlight_diff(obj.ABID.subtype, derived_subtype), highlight_diff(str(obj.ABID.uuid)[26:28], str(fresh_abid.uuid)[26:28]), mark_safe(subtype_diff), obj.abid_subtype_src, str(obj.abid_values['subtype']),
highlight_diff(obj.ABID.rand, derived_rand), highlight_diff(str(obj.ABID.uuid)[28:36], str(fresh_abid.uuid)[28:36]), mark_safe(rand_diff), obj.abid_rand_src, str(obj.abid_values['rand'])[-7:],
highlight_diff(obj.ABID.ts, derived_ts), highlight_diff(str(obj.ABID.uuid)[0:14], str(fresh_abid.uuid)[0:14]), mark_safe(ts_diff), obj.abid_ts_src, fresh_ts and fresh_ts.isoformat(),
highlight_diff(obj.ABID.uri, derived_uri), highlight_diff(str(obj.ABID.uuid)[14:26], str(fresh_abid.uuid)[14:26]), mark_safe(uri_diff), obj.abid_uri_src, str(obj.ABID_FRESH_VALUES['uri']),
highlight_diff(obj.ABID.subtype, derived_subtype), highlight_diff(str(obj.ABID.uuid)[26:28], str(fresh_abid.uuid)[26:28]), mark_safe(subtype_diff), obj.abid_subtype_src, str(obj.ABID_FRESH_VALUES['subtype']),
highlight_diff(obj.ABID.rand, derived_rand), highlight_diff(str(obj.ABID.uuid)[28:36], str(fresh_abid.uuid)[28:36]), mark_safe(rand_diff), obj.abid_rand_src, str(obj.ABID_FRESH_VALUES['rand'])[-7:],
highlight_diff(getattr(obj, 'old_id', ''), obj.pk),
)
except Exception as e:
@ -93,6 +93,7 @@ class ABIDModelAdmin(admin.ModelAdmin):
sort_fields = ('created', 'created_by', 'abid', '__str__')
readonly_fields = ('created', 'modified', '__str__', 'API')
@admin.display(description='API Identifiers')
def API(self, obj):
return get_abid_info(self, obj, request=self.request)

View file

@ -1,7 +1,5 @@
"""
This file provides the Django ABIDField and ABIDModel base model to inherit from.
It implements the ArchiveBox ID (ABID) interfaces including abid_values, generate_abid, .abid, .uuid, .id.
"""
from typing import Any, Dict, Union, List, Set, NamedTuple, cast
@ -9,7 +7,7 @@ from typing import Any, Dict, Union, List, Set, NamedTuple, cast
from ulid import ULID
from uuid import uuid4, UUID
from typeid import TypeID # type: ignore[import-untyped]
from datetime import datetime
from datetime import datetime, timedelta
from functools import partial
from charidfield import CharIDField # type: ignore[import-untyped]
@ -30,7 +28,10 @@ from .abid import (
DEFAULT_ABID_PREFIX,
DEFAULT_ABID_URI_SALT,
abid_part_from_prefix,
abid_from_values
abid_hashes_from_values,
abid_from_values,
ts_from_abid,
abid_part_from_ts,
)
####################################################
@ -63,134 +64,141 @@ def get_or_create_system_user_pk(username='system'):
class AutoDateTimeField(models.DateTimeField):
def pre_save(self, model_instance, add):
return timezone.now()
# def pre_save(self, model_instance, add):
# return timezone.now()
pass
class ABIDModel(models.Model):
"""
Abstract Base Model for other models to depend on. Provides ArchiveBox ID (ABID) interface.
"""
abid_prefix: str = DEFAULT_ABID_PREFIX # e.g. 'tag_'
abid_prefix: str = DEFAULT_ABID_PREFIX # e.g. 'tag_'
abid_ts_src = 'None' # e.g. 'self.created'
abid_uri_src = 'None' # e.g. 'self.uri'
abid_subtype_src = 'None' # e.g. 'self.extractor'
abid_rand_src = 'None' # e.g. 'self.uuid' or 'self.id'
abid_salt: str = DEFAULT_ABID_URI_SALT
# id = models.UUIDField(primary_key=True, default=uuid4, editable=True)
# uuid = models.UUIDField(blank=True, null=True, editable=True, unique=True)
abid = ABIDField(prefix=abid_prefix)
created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, default=get_or_create_system_user_pk)
created = AutoDateTimeField(default=timezone.now, db_index=True)
created = AutoDateTimeField(default=None, null=False, db_index=True)
modified = models.DateTimeField(auto_now=True)
class Meta(TypedModelMeta):
abstract = True
def save(self, *args: Any, **kwargs: Any) -> None:
self.created = self.created or timezone.now()
assert all(val for val in self.abid_values.values()), f'All ABID src values must be set: {self.abid_values}'
if self._state.adding:
self.id = self.ABID.uuid
self.abid = str(self.ABID)
else:
assert self.id, 'id must be set when object exists in DB'
if not self.abid:
self.abid = str(self.ABID)
# assert str(self.abid) == str(self.ABID), f'self.abid {self.id} does not match self.ABID {self.ABID.uuid}'
# fresh_abid = self.generate_abid()
# if str(fresh_abid) != str(self.abid):
# self.abid = str(fresh_abid)
self.issue_new_abid()
return super().save(*args, **kwargs)
assert str(self.id) == str(self.ABID.uuid), f'self.id {self.id} does not match self.ABID {self.ABID.uuid}'
assert str(self.abid) == str(self.ABID), f'self.abid {self.id} does not match self.ABID {self.ABID.uuid}'
assert str(self.uuid) == str(self.ABID.uuid), f'self.uuid ({self.uuid}) does not match .ABID.uuid ({self.ABID.uuid})'
# assert str(self.id) == str(self.ABID.uuid), f'self.id {self.id} does not match self.ABID {self.ABID.uuid}'
# assert str(self.abid) == str(self.ABID), f'self.abid {self.id} does not match self.ABID {self.ABID.uuid}'
# assert str(self.uuid) == str(self.ABID.uuid), f'self.uuid ({self.uuid}) does not match .ABID.uuid ({self.ABID.uuid})'
@property
def abid_values(self) -> Dict[str, Any]:
def ABID_FRESH_VALUES(self) -> Dict[str, Any]:
assert self.abid_ts_src != 'None'
assert self.abid_uri_src != 'None'
assert self.abid_rand_src != 'None'
assert self.abid_subtype_src != 'None'
return {
'prefix': self.abid_prefix,
'ts': eval(self.abid_ts_src),
'uri': eval(self.abid_uri_src),
'subtype': eval(self.abid_subtype_src),
'rand': eval(self.abid_rand_src),
'salt': self.abid_salt,
}
@property
def ABID_FRESH_HASHES(self) -> Dict[str, str]:
return abid_hashes_from_values(**self.ABID_FRESH_VALUES)
def generate_abid(self) -> ABID:
@property
def ABID_FRESH(self) -> ABID:
"""
Return a freshly derived ABID (assembled from attrs defined in ABIDModel.abid_*_src).
Return a pure freshly derived ABID (assembled from attrs defined in ABIDModel.abid_*_src).
"""
prefix, ts, uri, subtype, rand = self.abid_values.values()
if (not prefix) or prefix == DEFAULT_ABID_PREFIX:
suggested_abid = self.__class__.__name__[:3].lower()
raise Exception(f'{self.__class__.__name__}.abid_prefix must be defined to calculate ABIDs (suggested: {suggested_abid})')
if not ts:
# default to unix epoch with 00:00:00 UTC
ts = datetime.fromtimestamp(0, timezone.utc) # equivalent to: ts = datetime.utcfromtimestamp(0)
print(f'[!] WARNING: Generating ABID with ts=0000000000 placeholder because {self.__class__.__name__}.abid_ts_src={self.abid_ts_src} is unset!', ts.isoformat())
if not uri:
uri = str(self)
print(f'[!] WARNING: Generating ABID with uri=str(self) placeholder because {self.__class__.__name__}.abid_uri_src={self.abid_uri_src} is unset!', uri)
if not subtype:
subtype = self.__class__.__name__
print(f'[!] WARNING: Generating ABID with subtype={subtype} placeholder because {self.__class__.__name__}.abid_subtype_src={self.abid_subtype_src} is unset!', subtype)
if not rand:
rand = getattr(self, 'uuid', None) or getattr(self, 'id', None) or getattr(self, 'pk')
print(f'[!] WARNING: Generating ABID with rand=self.id placeholder because {self.__class__.__name__}.abid_rand_src={self.abid_rand_src} is unset!', rand)
abid = abid_from_values(
prefix=prefix,
ts=ts,
uri=uri,
subtype=subtype,
rand=rand,
salt=DEFAULT_ABID_URI_SALT,
)
assert abid.ulid and abid.uuid and abid.typeid, f'Failed to calculate {prefix}_ABID for {self.__class__.__name__}'
abid_fresh_values = self.ABID_FRESH_VALUES
assert all(abid_fresh_values.values()), f'All ABID_FRESH_VALUES must be set {abid_fresh_values}'
abid_fresh_hashes = self.ABID_FRESH_HASHES
assert all(abid_fresh_hashes.values()), f'All ABID_FRESH_HASHES must be able to be generated {abid_fresh_hashes}'
abid = ABID(**abid_fresh_hashes)
assert abid.ulid and abid.uuid and abid.typeid, f'Failed to calculate {abid_fresh_values["prefix"]}_ABID for {self.__class__.__name__}'
return abid
def issue_new_abid(self):
assert self.abid is None, f'Can only issue new ABID for new objects that dont already have one {self.abid}'
assert self._state.adding, 'Can only issue new ABID when model._state.adding is True'
assert eval(self.abid_uri_src), f'Can only issue new ABID if self.abid_uri_src is defined ({self.abid_uri_src}={eval(self.abid_uri_src)})'
self.old_id = getattr(self, 'old_id', None) or self.id or uuid4()
self.abid = None
self.created = ts_from_abid(abid_part_from_ts(timezone.now())) # cut off precision to match precision of TS component
self.added = getattr(self, 'added', None) or self.created
self.modified = self.created
abid_ts_src_attr = self.abid_ts_src.split('self.', 1)[-1] # e.g. 'self.added' -> 'added'
if abid_ts_src_attr and abid_ts_src_attr != 'created' and hasattr(self, abid_ts_src_attr):
# self.added = self.created
existing_abid_ts = getattr(self, abid_ts_src_attr, None)
created_and_abid_ts_are_same = existing_abid_ts and (existing_abid_ts - self.created) < timedelta(seconds=5)
if created_and_abid_ts_are_same:
setattr(self, abid_ts_src_attr, self.created)
assert getattr(self, abid_ts_src_attr) == self.created
assert all(self.ABID_FRESH_VALUES.values()), f'Can only issue new ABID if all self.ABID_FRESH_VALUES are defined {self.ABID_FRESH_VALUES}'
new_abid = self.ABID_FRESH
# store stable ABID on local fields, overwrite them because we are adding a new entry and existing defaults havent touched db yet
self.abid = str(new_abid)
self.id = new_abid.uuid
self.pk = new_abid.uuid
assert self.ABID == new_abid
assert str(self.ABID.uuid) == str(self.id) == str(self.pk) == str(ABID.parse(self.abid).uuid)
self._ready_to_save_as_new = True
@property
def ABID(self) -> ABID:
"""
ULIDParts(timestamp='01HX9FPYTR', url='E4A5CCD9', subtype='00', randomness='ZYEBQE')
aka get_or_generate_abid -> ULIDParts(timestamp='01HX9FPYTR', url='E4A5CCD9', subtype='00', randomness='ZYEBQE')
"""
# if object is not yet saved to DB, always generate fresh ABID from values
if self._state.adding:
return self.generate_abid()
# otherwise DB is single source of truth, load ABID from existing db pk
abid: ABID | None = None
try:
abid = abid or ABID.parse(self.pk)
except Exception:
pass
try:
abid = abid or ABID.parse(self.id)
except Exception:
pass
try:
abid = abid or ABID.parse(cast(str, self.abid))
except Exception:
pass
abid = abid or self.generate_abid()
try:
abid = abid or ABID.parse(cast(str, self.id))
except Exception:
pass
try:
abid = abid or ABID.parse(cast(str, self.pk))
except Exception:
pass
abid = abid or self.ABID_FRESH
return abid
@property
def ULID(self) -> ULID:
"""
@ -210,8 +218,7 @@ class ABIDModel(models.Model):
"""
Get a str uuid.UUID (v4) representation of the object's ABID.
"""
assert str(self.id) == str(self.ABID.uuid)
return str(self.id)
return str(self.ABID.uuid)
@property
def TypeID(self) -> TypeID:
@ -220,6 +227,10 @@ class ABIDModel(models.Model):
"""
return self.ABID.typeid
@property
def abid_uri(self) -> str:
return eval(self.abid_uri_src)
@property
def api_url(self) -> str:
# /api/v1/core/any/{abid}
@ -290,6 +301,7 @@ def find_obj_from_abid_rand(rand: Union[ABID, str], model=None) -> List[ABIDMode
"""
Find an object corresponding to an ABID by exhaustively searching using its random suffix (slow).
e.g. 'obj_....................JYRPAQ' -> Snapshot('snp_01BJQMF54D093DXEAWZ6JYRPAQ')
Honestly should only be used for debugging, no reason to expose this ability to users.
"""
# convert str to ABID if necessary
@ -339,7 +351,7 @@ def find_obj_from_abid_rand(rand: Union[ABID, str], model=None) -> List[ABIDMode
)
for obj in qs:
if obj.generate_abid() == abid:
if abid in (str(obj.ABID_FRESH), str(obj.id), str(obj.abid)):
# found exact match, no need to keep iterating
return [obj]
partial_matches.append(obj)

View file

@ -353,10 +353,10 @@ class SnapshotActionForm(ActionForm):
class SnapshotAdmin(SearchResultsAdminMixin, ABIDModelAdmin):
list_display = ('added', 'title_str', 'files', 'size', 'url_str')
sort_fields = ('title_str', 'url_str', 'added')
readonly_fields = ('tags_str', 'timestamp', 'admin_actions', 'status_info', 'bookmarked', 'added', 'updated', 'created', 'modified', 'API', 'link_dir')
readonly_fields = ('tags_str', 'timestamp', 'admin_actions', 'status_info', 'bookmarked', 'updated', 'created', 'modified', 'API', 'link_dir')
search_fields = ('id', 'url', 'abid', 'old_id', 'timestamp', 'title', 'tags__name')
list_filter = ('added', 'updated', 'archiveresult__status', 'created_by', 'tags__name')
fields = ('url', 'created_by', 'title', *readonly_fields)
fields = ('url', 'created_by', 'title', 'added', *readonly_fields)
ordering = ['-added']
actions = ['add_tags', 'remove_tags', 'update_titles', 'update_snapshots', 'resnapshot_snapshot', 'overwrite_snapshots', 'delete_snapshots']
inlines = [TagInline, ArchiveResultInline]

View file

@ -138,16 +138,16 @@ class Snapshot(ABIDModel):
abid_subtype_src = '"01"'
abid_rand_src = 'self.old_id'
old_id = models.UUIDField(default=uuid.uuid4, editable=False, unique=True) # legacy pk
id = models.UUIDField(primary_key=True, default=uuid.uuid4, editable=True, unique=True)
old_id = models.UUIDField(default=None, null=False, editable=False, unique=True) # legacy pk
id = models.UUIDField(default=None, null=False, primary_key=True, editable=True, unique=True)
abid = ABIDField(prefix=abid_prefix)
created_by = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE, default=get_or_create_system_user_pk, related_name='snapshot_set')
created = AutoDateTimeField(default=timezone.now, db_index=True)
created = AutoDateTimeField(default=None, null=False, db_index=True)
modified = models.DateTimeField(auto_now=True)
# legacy ts fields
added = AutoDateTimeField(default=timezone.now, db_index=True)
added = AutoDateTimeField(default=None, null=False, editable=True, db_index=True)
updated = models.DateTimeField(auto_now=True, blank=True, null=True, db_index=True)
url = models.URLField(unique=True, db_index=True)
@ -161,11 +161,6 @@ class Snapshot(ABIDModel):
objects = SnapshotManager()
def save(self, *args, **kwargs):
# make sure self.added is seeded with a value before calculating ABID using it
if self._state.adding or not self.added:
self.added = self.added or timezone.now()
return super().save(*args, **kwargs)
def __repr__(self) -> str:
title = (self.title_stripped or '-')[:64]