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Messy initial binding to backend API.

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This commit is contained in:
Samuel Jones
2026-06-06 18:27:44 +01:00
parent ed477f02b6
commit a40ca8d806
2 changed files with 53 additions and 19 deletions
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src/fares_site/api_calling.py
+37 -11
View File
@@ -5,20 +5,46 @@ Standard functions to call for fares information.
# Imports
import requests
import pandas as pd
import numpy as np
from os import environ
import json
# Init.
COLUMN_RENAMES = {
"origin_code": "Origin",
"destination_code": "Destination",
"route_code": "Route",
"status_code": "Status",
"usage_code": "Usage",
"direction": "Direction",
"end_date": "Ends",
"start_date": "Starts",
"toc": "TOC",
"cross_london_flag": "Cross London",
"settlement_flag": "Settlement",
"discount_flag": "Discount",
"flow_id": "ID",
"ticket_code": "Ticket Code",
"fare": "Fare",
"restriction_code": "Restriction",
}
# Functions
def fares_query(origin: str, dest: str, date: str) -> pd.DataFrame:
_ = requests # .get(url=url, headers=headers)
df = pd.DataFrame(
{
"origin": [origin for _ in range(10)],
"dest": [dest for _ in range(10)],
"date": [date for _ in range(10)],
"fare": np.random.rand(10) * 20,
}
def fares_query(origin: str, destination: str) -> pd.DataFrame:
response = requests.get(
url=f"https://fares.ballast-data.co.uk/fares?origin={origin}&destination={destination}",
auth=(
environ.get("BD_FARES_USER", ""),
environ.get("BD_FARES_PASS", ""),
),
)
return df
dfs, data = [], json.loads(response.content.decode())
for flow_fares in data:
df = pd.json_normalize(flow_fares["fares"]).drop("flow_id", axis=1)
meta = pd.DataFrame.from_records(
[flow_fares["flow_id"] | {"Number": number} for number in df.index]
).rename(COLUMN_RENAMES, axis=1)
df.index = pd.MultiIndex.from_frame(meta)
dfs.append(df)
return pd.concat(dfs).rename(COLUMN_RENAMES, axis=1)
src/fares_site/serve.py
+16 -8
View File
@@ -19,12 +19,13 @@ HTML_CONTENT_HEADER = """
<head>
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Merriweather+Sans:ital,wght@0,300..800;1,300..800&display=swap" rel="stylesheet">
<link rel="icon" type="image/x-icon" href="https://cdn.ballast-data.co.uk/Logo.svg">
<link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Merriweather+Sans:ital,wght@0,300..800;1,300..800&display=swap">
<link rel="stylesheet" href="https://cdn.ballast-data.co.uk/theme.css">
<link rel="icon" type="image/x-icon" href="https://cdn.ballast-data.co.uk/Icon.svg">
</head>
<body style="font-family: 'Merriweather Sans'; font-size: 1.6em;">
<img height=67px src="https://cdn.ballast-data.co.uk/Logo.svg">
<b> Fares </b> <br>
<body>
<img height=80px src="https://cdn.ballast-data.co.uk/Logo.svg">
<b style="font-size: 100px; line-height: 1; font-weight: 400;"> Fares </b> <br>
<br>
"""
@@ -52,10 +53,17 @@ class FaresHandler(BaseHTTPRequestHandler):
"""
table = fares_query(
origin=(_d := self.parse_url_query()).get("origin", "NCL"),
dest=_d.get("dest", "NCL"),
date=_d.get("date", "2026-04-06"),
destination=_d.get("destination", "NCL"),
).style
table = table.format({"fare": "{:.2f}"})
table = table.set_table_styles(
[
{"selector": "tr", "props": [("vertical-align", "text-top")]},
{
"selector": "tbody td",
"props": [("border-top", "1px solid var(--dark-color)")],
},
]
)
text = table.to_html()
return HTML_CONTENT_HEADER + text + HTML_CONTENT_FOOTER