GoogleCloudPlatform/market-data-transcoder

Add full URL support for the `--source_file` and `--schema_file` options

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#72 opened on Dec 6, 2022

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enhancementgood first issue

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Description

The --source_file and --schema_file options currently imply file:// if using fully qualified URL syntax. Other protocols, such as http://, ftp:// and ws:// should be possible to resolve in this way, although ws:// would only be applicable as a protocol under --source_file and not --schema_file and would need to be implemented in a manner similar to the recent stdin support addition.

Example:

txcode --schema_file https://raw.githubusercontent.com/SunGard-Labs/fix2json/master/dict/FIX50SP2.CME.xml --source_file ftp://ftp.cmegroup.com/SBEFix/Production/TradingSessionList.dat --factory fix --source_file_format_type line_delimited

Contributor guide

Research direction
Examine how stdin support was recently added and extend to handle URL schemes like http://, ftp://, ws:// for source files. For schema files, only http and ftp are applicable. Use urlopen or similar to fetch remote content.
Tech stack
python
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
Python
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70