[sync] updated

utils/Sync/sync/compile.py

@@ -0,0 +1,36 @@
+import os
+from tempfile import mkstemp
+
+from utils.image import create_image
+from utils.image.resize import image_magick_pdf_to_img
+from utils.text.transform import url_encode_text
+
+
+class Preview:
+    def __init__(self, provider, url_base, output, sizes):
+        super().__init__()
+        self.provider = provider
+        self.url_base = url_base
+        self.output = output
+        self.sizes = sizes
+
+    def create(self, file):
+        def url(size, ext):
+            return self.url_base.format(id=file, size=size, ext=ext)
+
+        temp_preview_path = self.pdf_to_jpg(file)
+        file = os.path.basename(file)
+        file = url_encode_text(file)
+        img = create_image(temp_preview_path, self.sizes, url, self.output)
+        os.remove(temp_preview_path)
+        return img
+
+    def pdf_to_jpg(self, pdf):
+        _, temp_in = mkstemp(suffix='.pdf')
+        _, temp_out = mkstemp(suffix='.jpg')
+
+        abspdf = self.provider.copy(pdf, temp_in)
+        image_magick_pdf_to_img(abspdf, temp_out)
+
+        os.remove(temp_in)
+        return temp_out