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from typing import *
def to_html(ds: Any) -> str:
"""
Return an HTML representation of the loom file or view, showing the upper-left 10x10 corner.
"""
rm = min(10, ds.shape[0])
cm = min(10, ds.shape[1])
html = "<p>"
if ds.attrs.__contains__("title"):
html += "<strong>" + ds.attrs["title"] + "</strong> "
html += f"{ds.shape[0]} rows, {ds.shape[1]} columns, {len(ds.layers)} layer{'s' if len(ds.layers) > 1 else ''}<br/>(showing up to 10x10)<br/>"
html += ds.filename + "<br/>"
for (name, val) in ds.attrs.items():
html += f"name: <em>{val}</em><br/>"
html += "<table>"
# Emit column attributes
for ca in ds.col_attrs.keys():
html += "<tr>"
for ra in ds.row_attrs.keys():
html += "<td> </td>" # Space for row attrs
html += "<td><strong>" + ca + "</strong></td>" # Col attr name
for v in ds.col_attrs[ca][:cm]:
html += "<td>" + str(v) + "</td>"
if ds.shape[1] > cm:
html += "<td>...</td>"
html += "</tr>"
# Emit row attribute names
html += "<tr>"
for ra in ds.row_attrs.keys():
html += "<td><strong>" + ra + "</strong></td>" # Row attr name
html += "<td> </td>" # Space for col attrs
for v in range(cm):
html += "<td> </td>"
if ds.shape[1] > cm:
html += "<td>...</td>"
html += "</tr>"
# Emit row attr values and matrix values
for row in range(rm):
html += "<tr>"
for ra in ds.row_attrs.keys():
html += "<td>" + str(ds.row_attrs[ra][row]) + "</td>"
html += "<td> </td>" # Space for col attrs
for v in ds[row, :cm]:
html += "<td>" + str(v) + "</td>"
if ds.shape[1] > cm:
html += "<td>...</td>"
html += "</tr>"
# Emit ellipses
if ds.shape[0] > rm:
html += "<tr>"
for v in range(rm + 1 + len(ds.row_attrs.keys())):
html += "<td>...</td>"
if ds.shape[1] > cm:
html += "<td>...</td>"
html += "</tr>"
html += "</table>"
return html
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