Create common.py

app/common.py

@@ -0,0 +1,211 @@
+import pandas as pd
+import numpy as np
+import datetime
+import traceback
+from backblaze import *
+
+# ============================================================
+#                   NUMBER FORMATTING HELPERS
+# ============================================================
+
+def format_number(num):
+    if num is None:
+        return "-"
+    try:
+        return f"{float(num):,.2f}".rstrip("0").rstrip(".")
+    except:
+        return str(num)
+
+def format_large_number(num):
+    if num is None:
+        return "-"
+    try:
+        n = float(num)
+        if abs(n) >= 1_00_00_000:     # Crore
+            return f"{n/1_00_00_000:.2f} Cr"
+        elif abs(n) >= 1_00_000:      # Lakh
+            return f"{n/1_00_000:.2f} L"
+        elif abs(n) >= 1_000:         # Thousand
+            return f"{n/1_000:.2f} K"
+        else:
+            return format_number(n)
+    except:
+        return str(num)
+
+# ============================================================
+#                   HTML UI HELPERS
+# ============================================================
+
+def html_card(title, content):
+    return f"""
+    <div style="
+        background:#fff;
+        border-radius:12px;
+        padding:18px;
+        margin:15px 0;
+        box-shadow:0 2px 8px rgba(0,0,0,0.1);
+        border-left:6px solid #0077cc;
+    ">
+        <h2 style="margin-top:0;color:#0077cc;">{title}</h2>
+        <div>{content}</div>
+    </div>
+    """
+
+def html_section(title, content):
+    return f"""
+    <div style="margin:20px 0;">
+        <h3 style="color:#444;margin-bottom:8px;">{title}</h3>
+        {content}
+    </div>
+    """
+
+def html_error(msg):
+    return f"""
+    <div style="
+        padding:15px;
+        margin:15px 0;
+        background:#ffe6e6;
+        border-left:6px solid #d9534f;
+        border-radius:8px;
+        color:#b30000;
+    ">
+        <b>Error:</b> {msg}
+    </div>
+    """
+
+# ============================================================
+#                   DATAFRAME CLEANING
+# ============================================================
+
+def clean_df(df):
+    if isinstance(df.index, pd.DatetimeIndex):
+        df.index = df.index.strftime("%Y-%m-%d")
+    df.replace([np.inf, -np.inf], np.nan, inplace=True)
+    df.fillna("-", inplace=True)
+    return df
+
+# ============================================================
+#                   TABLE STYLING
+# ============================================================
+
+def make_table(df):
+    try:
+        df = df.copy()
+        df = clean_df(df)
+        html = df.to_html(classes="styled-table", escape=False, border=0)
+        return f"""
+        <style>
+        .styled-table {{
+            width:100%;
+            border-collapse:collapse;
+            font-size:14px;
+        }}
+        .styled-table th {{
+            background:#0077cc;
+            color:white;
+            padding:8px;
+            text-align:left;
+        }}
+        .styled-table td {{
+            padding:8px;
+            border-bottom:1px solid #ddd;
+        }}
+        .styled-table tr:nth-child(even) {{
+            background:#f3f7ff;
+        }}
+        .styled-table tr:hover {{
+            background:#e7f1ff;
+        }}
+        </style>
+        {html}
+        """
+    except Exception as e:
+        return html_error(f"Table render failed: {e}<br><pre>{traceback.format_exc()}</pre>")
+
+# ============================================================
+#                   UNIVERSAL PLOT WRAPPER
+# ============================================================
+
+def wrap_plotly_html(html_chart, table_html=None):
+    extra = f"<div style='margin-top:20px'>{table_html}</div>" if table_html else ""
+    return f"""
+    <div style="width:98%;margin:auto;">
+        {html_card("Chart", html_chart)}
+        {extra}
+    </div>
+    """
+
+# ============================================================
+#               INDICATOR SAFE EXTRACTION HELPER
+# ============================================================
+
+def safe_get(df, key, default_val="-"):
+    try:
+        return df.get(key, default_val)
+    except:
+        return default_val
+
+def format_timestamp_to_date(timestamp):
+    if not isinstance(timestamp, (int, float)) or timestamp <= 0:
+        return "N/A"
+    try:
+        return datetime.datetime.fromtimestamp(timestamp).strftime('%Y-%m-%d')
+    except:
+        return "Invalid Date"
+
+# ============================================================
+#                   HTML WRAPPER
+# ============================================================
+
+STYLE_BLOCK = """
+<style>
+.styled-table {border-collapse: collapse; margin: 10px 0; font-size: 0.9em; font-family: sans-serif; width: 100%; box-shadow: 0 0 10px rgba(0,0,0,0.1);}
+.styled-table th, .styled-table td {padding: 8px 10px; border: 1px solid #ddd;}
+.styled-table tbody tr:nth-child(even) {background-color: #f9f9f9;}
+.card {display: block; width: 95%; margin: 10px auto; padding: 15px; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); background: #fafafa;}
+.card-category-title {font-size: 1.1em; color: #222; margin: 0 0 8px; border-bottom: 1px solid #eee; padding-bottom: 5px;}
+.card-content-grid {display: flex; flex-wrap: wrap; gap: 15px;}
+.key-value-pair {flex: 1 1 calc(20% - 15px); box-sizing: border-box; min-width: 150px; background: #fff; padding: 10px; border: 1px solid #e0e0e0; border-radius: 5px; box-shadow: 0 1px 3px rgba(0,0,0,0.05);}
+.key-value-pair h3 {font-size: 0.95em; color: #444; margin: 0 0 5px 0;}
+.key-value-pair p {font-size: 0.9em; color: #555; margin: 0; font-weight: bold;}
+.big-box {width:95%; margin:20px auto; padding:20px; border:1px solid #ccc; border-radius:8px; background:#fff; box-shadow:0 2px 8px rgba(0,0,0,0.1); font-size:0.95em; line-height:1.4em; max-height:400px; overflow-y:auto;}
+</style>
+"""
+
+def wrap_html(content, title="Stock Data"):
+    return f"""
+<!DOCTYPE html>
+<html>
+<head>
+    <title>{title}</title>
+    {STYLE_BLOCK}
+</head>
+<body>
+    {content}
+</body>
+</html>
+"""
+# ======================================================
+# Scrollable HTML wrapper
+# ======================================================
+SCROLL_WRAP = """
+<div style="
+    max-height: 80vh;
+    overflow-y: auto;
+    overflow-x: auto;
+    padding: 10px;
+    border: 1px solid #ccc;
+    border-radius: 6px;
+">
+{{HTML}}
+</div>
+"""
+# ======================================================
+# HTML wrapper
+# ======================================================
+def wrap(html):
+    if html is None:
+        return "<h3>No Data</h3>"
+    return SCROLL_WRAP.replace("{{HTML}}", html)
+def whoisboss():
+    retrun "eshan"