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Add runnable ChartPipeline Space
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import os
import uuid
import shutil
import tempfile
# Create a dedicated temporary directory
def ensure_temp_dir():
"""
Ensures that a temporary directory exists in the current directory
Returns:
Path to the temporary directory
"""
tmp_dir = os.path.join(os.getcwd(), "tmp")
if not os.path.exists(tmp_dir):
os.makedirs(tmp_dir)
return tmp_dir
def get_random_filename(prefix="", suffix=""):
"""
Generate a random filename with an optional prefix and suffix
Args:
prefix: Optional prefix for the filename
suffix: Optional suffix for the filename (e.g. file extension)
Returns:
A unique random filename
"""
random_id = str(uuid.uuid4())
return f"{prefix}{random_id}{suffix}"
def create_temp_file(prefix="", suffix="", content=None):
"""
Create a temporary file with random name in the tmp directory
Args:
prefix: Optional prefix for the filename
suffix: Optional suffix for the filename
content: Optional content to write to the file
Returns:
Path to the created temporary file
"""
tmp_dir = ensure_temp_dir()
filename = get_random_filename(prefix, suffix)
filepath = os.path.join(tmp_dir, filename)
if content is not None:
with open(filepath, 'w', encoding='utf-8') as f:
f.write(content)
return filepath
def create_temp_dir(prefix=""):
"""
Create a temporary directory with a random name in the tmp directory
Args:
prefix: Optional prefix for the directory name
Returns:
Path to the created temporary directory
"""
tmp_dir = ensure_temp_dir()
dirname = get_random_filename(prefix=prefix)
dirpath = os.path.join(tmp_dir, dirname)
os.makedirs(dirpath)
return dirpath
def cleanup_temp_file(filepath):
"""
Delete a temporary file
Args:
filepath: Path to the temporary file
"""
if os.path.exists(filepath):
os.remove(filepath)
def cleanup_temp_dir(dirpath):
"""
Delete a temporary directory and all its contents
Args:
dirpath: Path to the temporary directory
"""
if os.path.exists(dirpath):
shutil.rmtree(dirpath)
def create_fallback_svg(output_path, width=800, height=600, error_message="Failed to generate chart"):
"""
Create a simple SVG file with an error message when all other methods fail
Args:
output_path: Path where to save the SVG file
width: Width of the SVG
height: Height of the SVG
error_message: Error message to display in the SVG
Returns:
Path to the generated SVG file
"""
svg_content = f"""<svg xmlns="http://www.w3.org/2000/svg" width="{width}" height="{height}">
<rect width="100%" height="100%" fill="#f8f9fa" />
<text x="50%" y="40%" font-family="Arial" font-size="20px" text-anchor="middle" font-weight="bold">
Error Generating
</text>
<text x="50%" y="50%" font-family="Arial" font-size="16px" text-anchor="middle">
{error_message}
</text>
<text x="50%" y="60%" font-family="Arial" font-size="14px" text-anchor="middle" fill="#555">
Please check the console for detailed error messages.
</text>
</svg>"""
with open(output_path, 'w', encoding='utf-8') as f:
f.write(svg_content)
return output_path