def _get_blog(account: str, start_index: int, limit: int = None):
"""Get posts for an author's blog (w/ reblogs), paged by index/limit.
Examples:
(acct, 2) = returns blog entries 0 up to 2 (3 oldest)
(acct, 0) = returns all blog entries (limit 0 means return all?)
(acct, 2, 1) = returns 1 post starting at idx 2
(acct, 2, 3) = returns 3 posts: idxs (2,1,0)
"""
if not limit:
limit = start_index + 1
ids = cursor.pids_by_blog_by_index(valid_account(account),
valid_offset(start_index),
valid_limit(limit, 500))
out = []
idx = int(start_index)
for post in load_posts(ids):
reblog = post['author'] != account
reblog_on = post['created'] if reblog else "1970-01-01T00"
out.append({
"blog": account,
"entry_id": idx,
"comment": post,
"reblog_on": reblog_on
})
idx -= 1
return out
async def get_content(author: str, permlink: str):
"""Get a single post object."""
valid_account(author)
valid_permlink(permlink)
post_id = get_post_id(author, permlink)
if not post_id:
return {'id': 0, 'author': '', 'permlink': ''}
return load_posts([post_id])[0]
async def get_replies_by_last_update(start_author: str, start_permlink: str = '',
limit: int = 20, truncate_body: int = 0):
"""Get all replies made to any of author's posts."""
ids = cursor.pids_by_replies_to_account(
valid_account(start_author),
valid_permlink(start_permlink, allow_empty=True),
valid_limit(limit, 50))
return load_posts(ids, truncate_body=truncate_body)
async def get_discussions_by_comments(start_author: str, start_permlink: str = '',
limit: int = 20, truncate_body: int = 0):
"""Get comments by made by author."""
ids = cursor.pids_by_account_comments(
valid_account(start_author),
valid_permlink(start_permlink, allow_empty=True),
valid_limit(limit, 20))
return load_posts(ids, truncate_body=truncate_body)
async def _get_account_discussion_by_key(account, key):
assert account, 'account must be specified'
assert key, 'discussion key must be specified'
if key == 'recent_replies':
posts = load_posts(cursor.pids_by_replies_to_account(account, '', 20))
elif key == 'comments':
posts = load_posts(cursor.pids_by_account_comments(account, '', 20))
elif key == 'blog':
posts = load_posts(cursor.pids_by_blog(account, '', '', 20))
elif key == 'feed':
res = cursor.pids_by_feed_with_reblog(account, '', '', 20)
posts = load_posts_reblogs(res)
else:
raise ApiError("unknown account discussion key %s" % key)
return posts
def _load_discussion(author, permlink):
"""Load a full discussion thread."""
post_id = get_post_id(author, permlink)
if not post_id:
return {}
ret = []
queue = load_posts([post_id])
while queue:
parent = queue.pop()
children = load_posts(get_child_ids(parent['post_id']))
parent['replies'] = list(map(_ref, children))
queue.extend(children)
ret.append(parent)
return {_ref(post): post for post in ret}
async def get_content_replies(parent: str, parent_permlink: str):
"""Get a list of post objects based on parent."""
valid_account(parent)
valid_permlink(parent_permlink)
parent_id = get_post_id(parent, parent_permlink)
if parent_id:
child_ids = get_child_ids(parent_id)
if child_ids:
return load_posts(child_ids)
return []
async def get_discussions_by_blog(tag: str, start_author: str = '',
start_permlink: str = '', limit: int = 20,
truncate_body: int = 0):
"""Retrieve account's blog posts."""
ids = cursor.pids_by_blog(
valid_account(tag),
valid_account(start_author, allow_empty=True),
valid_permlink(start_permlink, allow_empty=True),
valid_limit(limit, 20))
return load_posts(ids, truncate_body=truncate_body)
async def get_discussions_by_created(start_author: str = '',
start_permlink: str = '',
limit: int = 20,
tag: str = None,
truncate_body: int = 0):
"""Query posts, sorted by creation date."""
ids = cursor.pids_by_query(
'created', valid_account(start_author, allow_empty=True),
valid_permlink(start_permlink, allow_empty=True),
valid_limit(limit, 100), valid_tag(tag, allow_empty=True))
return load_posts(ids, truncate_body=truncate_body)
def _load_posts_recursive(post_ids):
"""Recursively load a discussion thread."""
assert post_ids, 'no posts provided'
out = {}
for post in load_posts(post_ids):
out[_ref(post)] = post
child_ids = get_child_ids(post['post_id'])
if child_ids:
children = _load_posts_recursive(child_ids)
post['replies'] = list(children.keys())
out = {**out, **children}
return out
async def get_discussions_by_author_before_date(author: str,
start_permlink: str = '',
before_date: str = '',
limit: int = 10):
"""Retrieve account's blog posts, without reblogs.
NOTE: before_date is completely ignored, and it appears to be broken and/or
completely ignored in steemd as well. This call is similar to
get_discussions_by_blog but does NOT serve reblogs.
"""
# pylint: disable=invalid-name,unused-argument
ids = cursor.pids_by_blog_without_reblog(
valid_account(author), valid_permlink(start_permlink,
allow_empty=True),
valid_limit(limit, 100))
return load_posts(ids)
async def get_discussions_by_feed(tag: str, start_author: str = '',
start_permlink: str = '', limit: int = 20,
truncate_body: int = 0):
"""Retrieve account's personalized feed."""
res = cursor.pids_by_feed_with_reblog(
valid_account(tag),
valid_account(start_author, allow_empty=True),
valid_permlink(start_permlink, allow_empty=True),
valid_limit(limit, 20))
reblogged_by = dict(res)
posts = load_posts([r[0] for r in res], truncate_body=truncate_body)
# Merge reblogged_by data into result set
for post in posts:
rby = set(reblogged_by[post['post_id']].split(','))
rby.discard(post['author'])
if rby:
post['reblogged_by'] = list(rby)
return posts
async def get_state(path: str):
"""`get_state` reimplementation.
See: https://github.com/steemit/steem/blob/06e67bd4aea73391123eca99e1a22a8612b0c47e/libraries/app/database_api.cpp#L1937
"""
(path, part) = _normalize_path(path)
state = {
'feed_price': _get_feed_price(),
'props': _get_props_lite(),
'tags': {},
'accounts': {},
'content': {},
'tag_idx': {
'trending': []
},
'discussion_idx': {
"": {}
}
}
# account - `/@account/tab` (feed, blog, comments, replies)
if part[0] and part[0][0] == '@':
assert not part[1] == 'transfers', 'transfers API not served here'
assert not part[1] == 'blog', 'canonical blog route is `/@account`'
assert not part[2], 'unexpected account path[2] %s' % path
account = valid_account(part[0][1:])
state['accounts'][account] = _load_account(account)
if part[1] not in ACCOUNT_TAB_IGNORE:
assert part[1] in ACCOUNT_TAB_KEYS, "invalid acct path %s" % path
key = ACCOUNT_TAB_KEYS[part[1]]
posts = await _get_account_discussion_by_key(account, key)
state['content'] = _keyed_posts(posts)
state['accounts'][account][key] = list(state['content'].keys())
# discussion - `/category/@account/permlink`
elif part[1] and part[1][0] == '@':
author = valid_account(part[1][1:])
permlink = valid_permlink(part[2])
post_id = get_post_id(author, permlink)
state['content'] = _load_posts_recursive([post_id]) if post_id else {}
state['accounts'] = _load_content_accounts(state['content'])
# ranked posts - `/sort/category`
elif part[0] in ['trending', 'promoted', 'hot', 'created']:
assert not part[2], "unexpected discussion path part[2] %s" % path
sort = valid_sort(part[0])
tag = valid_tag(part[1].lower(), allow_empty=True)
posts = load_posts(cursor.pids_by_query(sort, '', '', 20, tag))
state['content'] = _keyed_posts(posts)
state['discussion_idx'] = {tag: {sort: list(state['content'].keys())}}
state['tag_idx'] = {'trending': await get_top_trending_tags_summary()}
# tag "explorer" - `/tags`
elif part[0] == "tags":
assert not part[1] and not part[2], 'invalid /tags request'
for tag in await get_trending_tags():
state['tag_idx']['trending'].append(tag['name'])
state['tags'][tag['name']] = tag
elif part[0] == 'witnesses' or part[0] == '~witnesses':
assert not part[1] and not part[2]
raise Exception("not implemented: /%s" % path)
elif part[0] in CONDENSER_NOOP_URLS:
assert not part[1] and not part[2]
else:
print('unhandled path /%s' % path)
return state