cleanup

.gitignore

@@ -0,0 +1,5 @@
+__pycache__/
+*.pyc
+*~
+app/uploads/
+app/mydatabase.db

app/cover.py

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+import PyPDF2
+from wand.image import Image
+import io
+import os
+
+
+def pdf_page_to_png(src_pdf, pagenum = 0, resolution = 72,):
+    """
+    Returns specified PDF page as wand.image.Image png.
+    :param PyPDF2.PdfFileReader src_pdf: PDF from which to take pages.
+    :param int pagenum: Page number to take.
+    :param int resolution: Resolution for resulting png in DPI.
+    """
+    dst_pdf = PyPDF2.PdfFileWriter()
+    dst_pdf.addPage(src_pdf.getPage(pagenum))
+
+    pdf_bytes = io.BytesIO()
+    dst_pdf.write(pdf_bytes)
+    pdf_bytes.seek(0)
+
+    img = Image(file = pdf_bytes, resolution = resolution)
+    img.convert("png")
+
+    return img
+
+
+def get_cover(file_path, filename):
+    # Main
+    # ====
+    print(file_path)
+    src_filename = file_path
+
+    src_pdf = PyPDF2.PdfFileReader(open(src_filename, "rb"))
+
+    # What follows is a lookup table of page numbers within sample_log.pdf and the corresponding filenames.
+    pages = [{"pagenum": 0,  "filename": filename}]
+
+    # Convert each page to a png image.
+    for page in pages:
+        big_filename = "app/uploads/cover/"+page["filename"] + "_cover.png"
+        small_filename = "app/uploads/cover/"+page["filename"] + "cover_small" + ".png"
+
+        img = pdf_page_to_png(src_pdf, pagenum = page["pagenum"], resolution = 300)
+        img.save(filename = big_filename)
+
+        # Ensmallen
+        img.transform("", "200")
+        img.save(filename = small_filename)
+
+    return page["filename"] + "_cover.png"
+
+#---
+#epub
+#https://ebooks.stackexchange.com/questions/6517/command-line-extraction-of-metadata-title-author-from-epub-file
+#https://hackage.haskell.org/package/epub-tools
+#http://stackoverflow.com/questions/9751475/extract-cover-image-from-chm-and-epub-files

app/templates/edit_book_detail.html

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+{% extends 'base.html' %}
+
+{% block main %}
+<div class="container">
+
+  <a href="{{ url_for('show_book_by_id', id=book.id )}}">back</a>
+
+
+
+  <form method="POST" action="{{ url_for('edit_book_by_id', id=book.id )}}">
+    {{ form.csrf_token }}
+
+    <div class="form-group"><h1 class="header">{{ form.title.label }} {{ form.title(size=20, class="form-control") }}</h1></div>
+        <img src="../../uploads/cover/{{ book.cover }}" width="200">
+        <br>  <br>
+    <div data-toggle="fieldset" id="phone-fieldset">
+         {{ form.author.label }}  <button type="button" data-toggle="fieldset-add-row"
+                                          data-target="#phone-fieldset">+</button>
+        <table>
+            <tr>
+                <th></th>
+                <th></th>
+            </tr>
+            {% for author in form.author %}
+                <tr data-toggle="fieldset-entry">
+                    <td>{{ author.author_name }}</td>
+                    <td><button type="button" data-toggle="fieldset-remove-row" id="phone-{{loop.index0}}-remove">-</button></td>
+                </tr>
+            {% endfor %}
+        </table>
+    </div>
+    <br>
+    <button type="submit" class="btn btn-primary">Update</button>
+</form>
+
+</div>
+{% endblock %}

app/templates/red_link.html

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+{% extends "base.html" %}
+
+{% block title %}Red link page{% endblock %}
+
+{% block css %}
+<style type="text/css">
+  body{
+    padding-top: 40px;
+  }
+  h1, p{
+    text-align:center;
+  }
+  h1{
+    font-size:44px;
+    margin:75px 0 50px;
+  }
+  p{
+    font-size:14px;
+    margin:15px 0;
+  }
+</style>
+{% endblock %}
+
+{% block header %}{% endblock %}
+
+{% block main %}
+<h1>ID: {{ id }}</h1>
+<p>red link page</p>
+<p><a href="{{ url_for('home') }}">go back home</a>?</p>
+{% endblock %}