Remove charset-normalizer, replace with BytesIO

This worked occasionally.
Update CHANGELOG.md

CHANGELOG.md

@@ -5,6 +5,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+
+## [0.3.1] - 2021-10-29
+### Removed
+- `charset-normalizer`: Switched to using BytesIO
+
 ### Fixed
 - Fixed web minidump upload to work with zero attachments
 - Fixed web crash list from showing all rows as "Processing"

crashserver/webapp/api.py

@@ -1,8 +1,8 @@
 import itertools
 import operator
+import io
 
 from flask import Blueprint, request, render_template, flash, redirect, make_response
-import charset_normalizer as char_norm
 from sqlalchemy import func
 from loguru import logger
 from flask_login import login_required
@@ -53,18 +53,16 @@ def upload_minidump(project):
 def upload_symbol(project, version):
     symbol_file = request.files.get("symbol_file")
 
-    # Use charset_normalizer to get a readable version of the text.
     symbol_file_bytes = symbol_file.stream.read()
-    char_res = char_norm.from_bytes(symbol_file_bytes)
-    decoded = char_res.best().output()
-    first_line_str = decoded[: decoded.find("\n".encode())].decode("utf-8")
+    with io.BytesIO(symbol_file_bytes) as f:
+        first_line_str = f.readline().decode("utf-8")
 
     # Get relevant module info from first line of file
     symbol_data = SymbolData.from_module_line(first_line_str)
     symbol_data.app_version = version
     symbol_file.stream.seek(0)
 
-    return ops.symbol_upload(db.session, project, decoded, symbol_data)
+    return ops.symbol_upload(db.session, project, symbol_file_bytes, symbol_data)
 
 
 @api.route("/webapi/symbols/<project_id>")