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import re
import streamlit as st
from bs4 import BeautifulSoup
def parse_variable_file(variable_content):
"""Parses the SCSS variable content and returns a mapping of color names to their values."""
variables = {}
# First pass: collect all variable definitions
for line in variable_content.splitlines():
# Match SCSS variables with more flexible pattern
match = re.match(r'^\s*\$([\w-]+)\s*:\s*([^;]+)\s*(!default)?;?', line)
if match:
var_name = match.group(1)
var_value = match.group(2).strip()
variables[var_value] = f"${var_name}"
# Also store the variable name itself for reference
variables[f"${var_name}"] = f"${var_name}"
return variables
def convert_css_to_scss(css_content, variable_mapping):
"""Converts CSS content to SCSS by replacing color values with variable names."""
# Sort the color mappings by length (longest first) to avoid partial replacements
sorted_mappings = sorted(variable_mapping.items(), key=lambda x: len(x[0]), reverse=True)
# Process the content line by line
converted_lines = []
for line in css_content.splitlines():
processed_line = line
# Skip comments
if '/*' in line and '*/' in line:
comment_start = line.index('/*')
comment_end = line.index('*/') + 2
before_comment = line[:comment_start]
comment = line[comment_start:comment_end]
after_comment = line[comment_end:]
# Process only the non-comment parts
for value, variable in sorted_mappings:
before_comment = before_comment.replace(value, variable)
after_comment = after_comment.replace(value, variable)
processed_line = before_comment + comment + after_comment
else:
# Process normal lines
for value, variable in sorted_mappings:
processed_line = processed_line.replace(value, variable)
converted_lines.append(processed_line)
return '\n'.join(converted_lines)
def extract_css_and_replace_with_variables(css_content, variables_content):
"""Replaces CSS properties with SCSS variables."""
try:
variable_mapping = parse_variable_file(variables_content)
return convert_css_to_scss(css_content, variable_mapping)
except Exception as e:
st.error(f"Error processing CSS to SCSS: {e}")
return None
def convert_html_to_twig(html_content):
"""Converts HTML to Twig format."""
try:
soup = BeautifulSoup(html_content, "html.parser")
for tag in soup.find_all():
# Replace text with Twig variables
if tag.string and tag.string.strip():
tag.string = f"{{{{ {tag.name}_content }}}}" # Example: <h1>{{ h1_content }}</h1>
# Replace attributes with Twig variables
for attr, value in tag.attrs.items():
tag[attr] = f"{{{{ {attr}_{tag.name} }}}}" # Example: src="{{ src_img }}"
# Add comments for Twig variables
twig_comments = "\n".join(
[
f"<!-- `{{{{ {tag.name}_content }}}}`: Content for <{tag.name}> -->"
for tag in soup.find_all() if tag.string
]
)
return f"{twig_comments}\n{soup.prettify()}"
except Exception as e:
st.error(f"Error converting HTML to Twig: {e}")
return None
# File uploaders
html_file = st.file_uploader("Upload HTML File", type=["html"], key="html_file")
css_file = st.file_uploader("Upload CSS File (Optional)", type=["css"], key="css_file")
variables_file = st.file_uploader("Upload SCSS Variables File", type=["scss"], key="variables_file")
# Handle HTML to Twig conversion
if html_file:
html_content = html_file.read().decode("utf-8")
twig_content = convert_html_to_twig(html_content)
if twig_content:
st.subheader("Twig Output")
st.code(twig_content, language="twig")
st.download_button("Download Twig File", data=twig_content, file_name="output.twig", mime="text/plain")
# Handle CSS to SCSS conversion
if css_file and variables_file:
css_content = css_file.read().decode("utf-8")
variables_content = variables_file.read().decode("utf-8")
scss_content = extract_css_and_replace_with_variables(css_content, variables_content)
if scss_content:
st.subheader("SCSS Output")
st.code(scss_content, language="scss")
st.download_button("Download SCSS File", data=scss_content, file_name="styles.scss", mime="text/plain")
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