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from fastapi import FastAPI,Request |
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from fastapi.templating import Jinja2Templates |
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from fastapi.responses import HTMLResponse,Response |
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import os,io,base64 as b64 |
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from pdf2image import convert_from_path, convert_from_bytes |
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from pdf2image.exceptions import ( |
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PDFInfoNotInstalledError, |
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PDFPageCountError, |
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PDFSyntaxError |
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) |
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class BaseImage: |
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img:str=None |
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def format(codigo:str,size:float): |
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return f"""\\documentclass[12pt]{{article}} |
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\\usepackage[fontsize={size}pt]{{fontsize}} |
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\\begin{{document}} |
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{codigo} |
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\\end{{document}}""" |
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from subprocess import run |
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app=FastAPI(); |
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def get_bytes_value(image): |
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img_byte_arr = io.BytesIO() |
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image.save(img_byte_arr, format='JPEG') |
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img_byte_arr.seek(0) |
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return img_byte_arr.getvalue() |
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imags=BaseImage() |
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templates = Jinja2Templates(directory="templates") |
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@app.get("/image",response_class=Response) |
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def img(request: Request): |
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return Response(content=b64.b64decode(imags.img),media_type="image/jpeg") if imags.img else "No image" |
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@app.get("/",response_class=HTMLResponse) |
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def test(request: Request,q:str="ls",body:bool=True,x:int=1024,y:int=1024,font:float=50): |
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with open("./v.tex","w") as k: |
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k.write(format(q,font) if body else q) |
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r=run("pdflatex v.tex".split(" "),capture_output=True) |
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if r.stderr: |
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return r.stderr |
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else: |
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images=convert_from_path("v.pdf",size=(x,y)) |
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images[0].save("v.jpg",format="JPEG") |
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with open("v.jpg","rb") as t: |
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v=b64.b64encode(t.read()).decode('UTF-8') |
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imags.img=v |
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return templates.TemplateResponse("latex.html", |
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{ |
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"q":q, |
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"request":request, |
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"result":v |
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}) |
