update for beem - several improvements and bug fixes

[holger80]

Repository

https://github.com/holgern/beem

beem is a python library for steem. beem has now 536 unit tests and a coverage of 74 %. The current version is 0.19.49.
I created a discord channel for answering a question or discussing beem: https://discord.gg/4HM592V

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Bug Fixes

Discussions.get_discussions("blog", ...) returns the same two comments over and over

The bug was fixed in commit 0416477.
The limitation of get_discussions_by_blog is that only 100 entries can be fetched at once. More entries can be obtained by setting start_author and start_permlink the last obtained post.
This post is then obtained twice. Once in the previous call and once in the next call. In beem, a logic was implemented to skip this doubled post.

The observed error could be observed in some special cases. The bug was fixed by implementing a better logic:

if query_count != 0 and rpc_query_count == 0 and (d["author"] == start_author and d["permlink"] == start_permlink):
    double_result = True
    if len(dd) == 1:
        found_more_than_start_entry = False
start_author = d["author"]
start_permlink = d["permlink"]

get_all_replies and get_parent were added to beem.comment.Comment

Two important functions for which no RPC-API call exists were added. get_all_replies returns all replies from a comment. All comments are returned in list. depth, parent_permlink and parent_author are included into each comment. Using these three values, the complete reply structure can be reconstructed (Building a reply tree is planned for one of the next updates).

from beem.comment import Comment
byteball_post = Comment("@punqtured/official-byteball-airdrop-to-steemians")
all_replies = byteball_post.get_all_replies()
len(all_replies)
2481

Let's take a look on the 1000th reply:

get_parent() can now be used to find the parent post:

reply = Comment("@samhamou/re-tincho-re-gaurav9971-re-punqtured-official-byteball-airdrop-to-steemians-20180712t225124402z")
parent = reply.get_parent()
parent.authorperm
'@punqtured/official-byteball-airdrop-to-steemians'

Reconstruct vote power since account creation

With the newest improvements (commit 305491f) for beem.snapshot.AccountSnapshot it is now possible to reconstruct the vote power since account creation. Only weight and timestamp of all outgoing votes is used to reconstruct the vote power:

Last reconstructed vote power for my account is 93.64. The current vote power of my account is

from beem.account import Account
acc = Account("holger80")
acc.get_voting_power(False)
93.65

The difference is only 0.01 %.

Reconstruct account reputation over time

Reconstruction of account reputation was added in
commit fa2675b
The account reputation is calculated from all incoming votes using the vote timestamp, rshares and voter reputation:

The last reconstructed reputation value is:

last reputation 62.581168

whereas my current repution is:

from beem.account import Account
acc = Account("holger80")
acc.get_reputation()
62.604815023975625

The difference between my current and the reconstructed repution is only 0.0236.

Commit history

Prepare next release and fix Amount for condenser broadcast ops (used for appbase right now)

• commit 812155c

fixes issue #45

• commit fc85671
• Fixes issue #45 by checking the timestamp of last_payout instead of net_rshares. With these changes, voting of unvoted posts/comments is possible.
• Refactoring of Transactionbuilder and adding of _use_condenser_api for defining the use of condenser api on broadcasting when using appbase nodes

Add get_all_replies to comment for fetching all replies

• commit 664bbaa

Fix formatToTimestamp for python 2.7

• commit 49012f3

Refactor Amount detection in account, claimreward improved

• commit 6d9181c

Several improvements and fixes

• commit 305491f

CLI

• upvote and downvote fixed

Snapshot

• refactoring
• update_vote and build_vp_arrays added for showing vote power history

Examples

• account_vp_over_time added

Prepare next release and add next_witness_block_countdown example

• commit ef18f9e

add get_parent to comment and fix for beempy reward

• commit 8d0e364

Fix issue #51

• commit 0416477

Fixes replies for Discussions

• commit 1f8c90c

Fixes Discussions, when only one reply is returned

• commit aa74d03

snapshot improved and unit test fixed

• commit fa2675b

Snapshot

• update_in_vote added
• enable_votes changed to enable_in_votes and enable_out_votes
• build_rep_arrays added

Example

• account_vp_over_time added
• account_reputation_by_SP added

Discussion

• check if parameter exists in discussion_query added

Fix #57 and try to improve error "Client returned invalid format. Expected JSON!" handling

• commit dea8826

Fix unit tests and improve json export for account

• commit d655d66
• depth property added for comments

Fix flake8 and improve steemconnect fix for #57

• commit 7220734

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If you like what I'm doing, please consider @holger80 as one of your witnesses (steemconnect).

Comments

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