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added logging, replaced print calls
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This commit is contained in:
Melchior Reimers
2026-02-16 11:59:53 +01:00
parent 24da2a5861
commit 819b6c2232
3 changed files with 39 additions and 30 deletions
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15
src/database/questdb_client.py
View File

@@ -1,8 +1,11 @@
import requests
import time
import logging
from typing import List
from ..exchanges.base import Trade
logger = logging.getLogger(__name__)
class DatabaseClient:
def __init__(self, host: str = "localhost", port: int = 9000, user: str = None, password: str = None):
self.host = host
@@ -15,7 +18,7 @@ class DatabaseClient:
return
total_trades = len(trades)
print(f"Saving {total_trades} trades to QuestDB in batches of {batch_size}...")
logger.info(f"Speichere {total_trades} Trades in QuestDB (Batches von {batch_size})...")
for i in range(0, total_trades, batch_size):
batch = trades[i:i + batch_size]
@@ -31,7 +34,7 @@ class DatabaseClient:
f"{int(trade.timestamp.timestamp() * 1e9)}"
lines.append(line)
except Exception as e:
print(f"Error formating trade {trade}: {e}")
logger.error(f"Fehler beim Formatieren von Trade {trade}: {e}")
continue
if not lines:
@@ -47,12 +50,12 @@ class DatabaseClient:
auth=self.auth
)
if response.status_code not in [204, 200]:
print(f"Error saving batch {i//batch_size + 1} to QuestDB: {response.text}")
logger.error(f"Fehler beim Speichern von Batch {i//batch_size + 1}: {response.text}")
else:
print(f"Saved batch {i//batch_size + 1} ({len(batch)} trades)")
logger.info(f"Batch {i//batch_size + 1} gespeichert ({len(batch)} Trades)")
except Exception as e:
print(f"Could not connect to QuestDB at {self.url}: {e}")
# Fallback: print to console or save to file
logger.error(f"Verbindung zu QuestDB fehlgeschlagen ({self.url}): {e}")
# Fallback: in Datei speichern
self._fallback_save(batch)
def _fallback_save(self, trades: List[Trade]):

15
src/exchanges/boersenag.py
View File

@@ -8,11 +8,14 @@ URL-Format: https://cld42.boersenag.de/m13data/data/Mifir13DelayedData_{MIC}_{SE
import requests
import time
import logging
from datetime import datetime, timedelta, timezone
from typing import List, Optional
from .base import BaseExchange, Trade
import re
logger = logging.getLogger(__name__)
# Rate-Limiting Konfiguration
RATE_LIMIT_DELAY = 0.3 # Sekunden zwischen Requests
@@ -176,9 +179,9 @@ class BoersenagBase(BaseExchange):
except requests.exceptions.HTTPError as e:
if e.response.status_code != 404:
print(f"[{self.name}] HTTP error: {e}")
logger.error(f"[{self.name}] HTTP error: {e}")
except Exception as e:
print(f"[{self.name}] Error downloading {url}: {e}")
logger.error(f"[{self.name}] Error downloading {url}: {e}")
return trades
@@ -265,9 +268,9 @@ class BoersenagBase(BaseExchange):
target_date = self._get_last_trading_day(target_date)
if target_date != original_date:
print(f"[{self.name}] Skipping weekend: {original_date} -> {target_date}")
logger.info(f"[{self.name}] Skipping weekend: {original_date} -> {target_date}")
print(f"[{self.name}] Fetching trades for date: {target_date}")
logger.info(f"[{self.name}] Fetching trades for date: {target_date}")
# Generiere mögliche URLs
urls = self._generate_file_urls(target_date)
@@ -281,7 +284,7 @@ class BoersenagBase(BaseExchange):
if trades:
all_trades.extend(trades)
successful += 1
print(f"[{self.name}] Found {len(trades)} trades from: {url.split('/')[-1]}")
logger.info(f"[{self.name}] Found {len(trades)} trades from: {url.split('/')[-1]}")
# Bei Erfolg müssen wir nicht alle anderen URLs probieren
break
@@ -293,7 +296,7 @@ class BoersenagBase(BaseExchange):
if i > 20 and successful == 0:
break
print(f"[{self.name}] Total trades fetched: {len(all_trades)}")
logger.info(f"[{self.name}] Total trades fetched: {len(all_trades)}")
return all_trades

29
src/exchanges/stuttgart.py
View File

@@ -3,11 +3,14 @@ import gzip
import json
import csv
import io
import logging
from datetime import datetime, timedelta, timezone
from typing import List, Optional
from .base import BaseExchange, Trade
from bs4 import BeautifulSoup
logger = logging.getLogger(__name__)
# Browser User-Agent (Vollständiger Browser-Fingerprint für Stuttgart)
HEADERS = {
'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36',
@@ -84,7 +87,7 @@ class StuttgartExchange(BaseExchange):
files = self._generate_expected_urls()
except Exception as e:
print(f"[STU] Error fetching page: {e}")
logger.error(f"[STU] Error fetching page: {e}")
files = self._generate_expected_urls()
return files
@@ -194,13 +197,13 @@ class StuttgartExchange(BaseExchange):
if trade:
trades.append(trade)
except Exception as e:
print(f"[STU] Could not parse {url}: {e}")
logger.error(f"[STU] Could not parse {url}: {e}")
except requests.exceptions.HTTPError as e:
if e.response.status_code != 404:
print(f"[STU] HTTP error downloading {url}: {e}")
logger.error(f"[STU] HTTP error downloading {url}: {e}")
except Exception as e:
print(f"[STU] Error downloading {url}: {e}")
logger.error(f"[STU] Error downloading {url}: {e}")
return trades
@@ -275,7 +278,7 @@ class StuttgartExchange(BaseExchange):
)
except Exception as e:
print(f"[STU] Error parsing JSON record: {e}")
logger.debug(f"[STU] Error parsing JSON record: {e}")
return None
def _parse_csv_row(self, row: dict) -> Optional[Trade]:
@@ -331,7 +334,7 @@ class StuttgartExchange(BaseExchange):
)
except Exception as e:
print(f"[STU] Error parsing CSV row: {e}")
logger.debug(f"[STU] Error parsing CSV row: {e}")
return None
def _get_last_trading_day(self, from_date) -> datetime.date:
@@ -365,13 +368,13 @@ class StuttgartExchange(BaseExchange):
target_date = self._get_last_trading_day(target_date)
if target_date != original_date:
print(f"[{self.name}] Skipping weekend: {original_date} -> {target_date}")
logger.info(f"[{self.name}] Skipping weekend: {original_date} -> {target_date}")
print(f"[{self.name}] Fetching trades for date: {target_date}")
logger.info(f"[{self.name}] Fetching trades for date: {target_date}")
# Download-Links holen
all_links = self._get_download_links()
print(f"[{self.name}] Found {len(all_links)} potential download links")
logger.info(f"[{self.name}] Found {len(all_links)} potential download links")
# Nach Datum filtern
target_links = self._filter_files_for_date(all_links, target_date)
@@ -380,7 +383,7 @@ class StuttgartExchange(BaseExchange):
# Fallback: Versuche alle Links
target_links = all_links
print(f"[{self.name}] Trying {len(target_links)} files for target date")
logger.info(f"[{self.name}] Trying {len(target_links)} files for target date")
# Dateien herunterladen und parsen
successful = 0
@@ -389,9 +392,9 @@ class StuttgartExchange(BaseExchange):
if trades:
all_trades.extend(trades)
successful += 1
print(f"[{self.name}] Parsed {len(trades)} trades from {url}")
logger.info(f"[{self.name}] Parsed {len(trades)} trades from {url}")
print(f"[{self.name}] Successfully processed {successful} files")
print(f"[{self.name}] Total trades fetched: {len(all_trades)}")
logger.info(f"[{self.name}] Successfully processed {successful} files")
logger.info(f"[{self.name}] Total trades fetched: {len(all_trades)}")
return all_trades