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import os
import pandas as pd
import streamlit as st
from google.cloud import bigquery
def preprocess_csv(file_path):
# Load the CSV file
df = pd.read_csv(file_path)
# Define columns to be converted
date_columns = ['Order_Date', 'State_Date', 'Entry_Month']
if 'bag_id_cn' in df.columns:
df['bag_id_cn'] = df['bag_id_cn'].replace({'\..*': ''}, regex=True).astype('Int64')
# Convert specified columns from DD/MM/YY to 'YYYY-MM-DD 00:00:00 UTC'
for column in date_columns:
if column in df.columns:
df[column] = pd.to_datetime(df[column], format='%d/%m/%y', errors='coerce').dt.strftime('%Y-%m-%d 00:00:00 UTC')
# Save the preprocessed CSV
preprocessed_file_path = 'preprocessed_' + os.path.basename(file_path)
df.to_csv(preprocessed_file_path, index=False)
return preprocessed_file_path
def upload_to_bigquery(credentials_path, csv_file_path, project_name, table_id):
try:
# Set up the BigQuery client
os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = credentials_path
client = bigquery.Client(project=project_name)
# Retrieve the existing table schema
table = client.get_table(table_id)
schema = table.schema
# Prepare the BigQuery job configuration with the existing schema
job_config = bigquery.LoadJobConfig(
source_format=bigquery.SourceFormat.CSV,
skip_leading_rows=1, # Assuming the first row is the header
schema=schema, # Use the existing schema from BigQuery
write_disposition=bigquery.WriteDisposition.WRITE_APPEND # Append to the table
)
# Load the preprocessed CSV data into BigQuery
with open(csv_file_path, "rb") as file:
load_job = client.load_table_from_file(
file,
table_id,
job_config=job_config
)
# Wait for the load job to complete
load_job.result()
# Check the result
destination_table = client.get_table(table_id)
st.success(f"Loaded {destination_table.num_rows} rows into {table_id}.")
except Exception as e:
st.error(f"An error occurred: {str(e)}")
html_subject = """
<html>
<head>
<style>
.button {
display: inline-block;
padding: 10px 20px;
border-radius: 12px;
background: linear-gradient(to bottom, #f8f9fa, #e0e0e0);
box-shadow:
0 6px 12px rgba(0, 0, 0, 0.3),
0 8px 16px rgba(0, 0, 0, 0.2),
inset 0 -2px 4px rgba(255, 255, 255, 0.6);
text-align: center;
position: relative;
transform: translateY(4px);
transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
cursor: pointer;
user-select: none;
}
.button:hover {
box-shadow:
0 8px 16px rgba(0, 0, 0, 0.3),
0 12px 24px rgba(0, 0, 0, 0.2);
transform: translateY(2px);
}
.button:active {
box-shadow:
0 4px 8px rgba(0, 0, 0, 0.3),
0 6px 12px rgba(0, 0, 0, 0.2);
transform: translateY(0);
}
</style>
</head>
<body>
<div class="button">
<h3 style="
font-size: 20px;
color: #ffffff;
background-image: linear-gradient(to right, #800000, #ff0000, #ffdab9);
background-clip: text;
-webkit-background-clip: text;
text-fill-color: transparent;
-webkit-text-fill-color: transparent;
margin: 0;
text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
">Enter project name</h3>
</div>
</body>
</html>
"""
st.markdown(html_subject, unsafe_allow_html=True)
# Input fields for Project Name and Table ID
project_name = st.text_input("",key ="project_name")
html_subject = """
<html>
<head>
<style>
.button {
display: inline-block;
padding: 10px 20px;
border-radius: 12px;
background: linear-gradient(to bottom, #f8f9fa, #e0e0e0);
box-shadow:
0 6px 12px rgba(0, 0, 0, 0.3),
0 8px 16px rgba(0, 0, 0, 0.2),
inset 0 -2px 4px rgba(255, 255, 255, 0.6);
text-align: center;
position: relative;
transform: translateY(4px);
transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
cursor: pointer;
user-select: none;
}
.button:hover {
box-shadow:
0 8px 16px rgba(0, 0, 0, 0.3),
0 12px 24px rgba(0, 0, 0, 0.2);
transform: translateY(2px);
}
.button:active {
box-shadow:
0 4px 8px rgba(0, 0, 0, 0.3),
0 6px 12px rgba(0, 0, 0, 0.2);
transform: translateY(0);
}
</style>
</head>
<body>
<div class="button">
<h3 style="
font-size: 20px;
color: #ffffff;
background-image: linear-gradient(to right, #800000, #ff0000, #ffdab9);
background-clip: text;
-webkit-background-clip: text;
text-fill-color: transparent;
-webkit-text-fill-color: transparent;
margin: 0;
text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
">Enter table id</h3>
</div>
</body>
</html>
"""
st.markdown(html_subject, unsafe_allow_html=True)
table_id = st.text_input("", key= "table_id_name")
# File uploader for credentials.json
html_subject = """
<html>
<head>
<style>
.button {
display: inline-block;
padding: 10px 20px;
border-radius: 12px;
background: linear-gradient(to bottom, #f8f9fa, #e0e0e0);
box-shadow:
0 6px 12px rgba(0, 0, 0, 0.3),
0 8px 16px rgba(0, 0, 0, 0.2),
inset 0 -2px 4px rgba(255, 255, 255, 0.6);
text-align: center;
position: relative;
transform: translateY(4px);
transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
cursor: pointer;
user-select: none;
}
.button:hover {
box-shadow:
0 8px 16px rgba(0, 0, 0, 0.3),
0 12px 24px rgba(0, 0, 0, 0.2);
transform: translateY(2px);
}
.button:active {
box-shadow:
0 4px 8px rgba(0, 0, 0, 0.3),
0 6px 12px rgba(0, 0, 0, 0.2);
transform: translateY(0);
}
</style>
</head>
<body>
<div class="button">
<h3 style="
font-size: 20px;
color: #ffffff;
background-image: linear-gradient(to right, #800000, #ff0000, #ffdab9);
background-clip: text;
-webkit-background-clip: text;
text-fill-color: transparent;
-webkit-text-fill-color: transparent;
margin: 0;
text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
">Upload credentials file</h3>
</div>
</body>
</html>
"""
st.markdown(html_subject, unsafe_allow_html=True)
credentials_file = st.file_uploader("", type=["json"])
# File uploader for the CSV file
html_subject = """
<html>
<head>
<style>
.button {
display: inline-block;
padding: 10px 20px;
border-radius: 12px;
background: linear-gradient(to bottom, #f8f9fa, #e0e0e0);
box-shadow:
0 6px 12px rgba(0, 0, 0, 0.3),
0 8px 16px rgba(0, 0, 0, 0.2),
inset 0 -2px 4px rgba(255, 255, 255, 0.6);
text-align: center;
position: relative;
transform: translateY(4px);
transition: transform 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
cursor: pointer;
user-select: none;
}
.button:hover {
box-shadow:
0 8px 16px rgba(0, 0, 0, 0.3),
0 12px 24px rgba(0, 0, 0, 0.2);
transform: translateY(2px);
}
.button:active {
box-shadow:
0 4px 8px rgba(0, 0, 0, 0.3),
0 6px 12px rgba(0, 0, 0, 0.2);
transform: translateY(0);
}
</style>
</head>
<body>
<div class="button">
<h3 style="
font-size: 20px;
color: #ffffff;
background-image: linear-gradient(to right, #800000, #ff0000, #ffdab9);
background-clip: text;
-webkit-background-clip: text;
text-fill-color: transparent;
-webkit-text-fill-color: transparent;
margin: 0;
text-shadow: 0 2px 5px rgba(0, 0, 0, 0.4);
">Upload the CSV file</h3>
</div>
</body>
</html>
"""
st.markdown(html_subject, unsafe_allow_html=True)
uploaded_file = st.file_uploader("", type=["csv"])
# Submit button
button_styles = """
<style>
div.stButton > button {
color: #ffffff; /* Text color */
font-size: 30px;
background-image: linear-gradient(to right, #800000, #ff0000); /* Maroon to light red gradient */
border: none;
padding: 10px 20px;
cursor: pointer;
border-radius: 15px;
display: inline-block;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1), 0 8px 15px rgba(0, 0, 0, 0.1); /* Box shadow */
transition: all 0.3s ease; /* Smooth transition on hover */
}
div.stButton > button:hover {
background-color: #00ff00; /* Hover background color */
color: #ff0000; /* Hover text color */
box-shadow: 0 6px 10px rgba(0, 0, 0, 0.2), 0 12px 20px rgba(0, 0, 0, 0.2); /* Box shadow on hover */
}
</style>
"""
st.markdown(button_styles, unsafe_allow_html=True)
if st.button("Submit"):
if uploaded_file is not None and credentials_file is not None and project_name and table_id:
# Save the uploaded files to the current directory
credentials_path = "./credentials.json"
with open(credentials_path, "wb") as f:
f.write(credentials_file.getbuffer())
csv_file_path = f"./{uploaded_file.name}"
with open(csv_file_path, "wb") as f:
f.write(uploaded_file.getbuffer())
# Preprocess the CSV file (convert date formats)
preprocessed_file_path = preprocess_csv(csv_file_path)
# Upload the preprocessed CSV file to BigQuery
upload_to_bigquery(credentials_path, preprocessed_file_path, project_name, table_id)
else:
st.error("Please fill out all fields, including the credentials file and CSV file.")
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