def get(self, doc_id):
doc = scan_data.read_document(doc_id, db)
page = scan_data.Page(db, document=doc)
page.filename = "static/%s.png" % page.key()
img_pipe = start_scan(page.filename)
self.set_header("Content-Type", "image/png")
for chunk in img_pipe:
self.write(chunk)
scan_data.write_document(doc, db)
def get(self, doc_id):
doc = scan_data.read_document(doc_id, db)
page = scan_data.Page(db, document=doc)
page.filename = "static/%s.png" % page.key()
img_pipe = start_scan(page.filename)
self.set_header("Content-Type", "image/png")
for chunk in img_pipe:
self.write(chunk)
scan_data.write_document(doc, db)
def get(self, doc_key, format=None):
"get a document in a specific format"
doc = scan_data.read_document(doc_key, db)
if not os.path.isdir(exported_base_dir):
os.mkdir(exported_base_dir)
if not format:
format = self.get_argument("format")
self.redirect("/export/%s.%s" % (doc_key, format))
return
output_path = "%s/%s.%s" % (exported_base_dir, doc_key, format)
if not os.path.exists(output_path):
if format == "zip":
zip = zipfile.ZipFile(output_path, "w")
for num, page in enumerate(doc.pages()):
zip.write(page.filename, "page_%d.png" % (num+1))
zip.close()
elif format == "big.pdf":
cmd = ["convert"]
cmd.extend([ page.filename for page in doc.pages() ])
cmd.append(output_path)
subprocess.Popen(cmd).communicate()
elif format == "mid.pdf":
cmd = ["convert", "-scale", "50%x50%"]
cmd.extend([ page.filename for page in doc.pages() ])
cmd.append(output_path)
subprocess.Popen(cmd).communicate()
elif format == "low.pdf":
cmd = ["convert", "-scale", "30%x30%"]
cmd.extend([ page.filename for page in doc.pages() ])
cmd.append(output_path)
subprocess.Popen(cmd).communicate()
else:
raise Exception("Format %s is not supported" % format)
self.set_header("Content-Disposition", "attachment")
self.set_header("Content-Type", "application/octet-stream")
self.set_header("Content-Transfer_encoding", "binary")
result = open(output_path)
self.write(result.read())
def get(self, doc_key, format=None):
"get a document in a specific format"
doc = scan_data.read_document(doc_key, db)
if not os.path.isdir(exported_base_dir):
os.mkdir(exported_base_dir)
if not format:
format = self.get_argument("format")
self.redirect("/export/%s.%s" % (doc_key, format))
return
output_path = "%s/%s.%s" % (exported_base_dir, doc_key, format)
if not os.path.exists(output_path):
if format == "zip":
zip = zipfile.ZipFile(output_path, "w")
for num, page in enumerate(doc.pages()):
zip.write(page.filename, "page_%d.png" % (num + 1))
zip.close()
elif format == "big.pdf":
cmd = ["convert"]
cmd.extend([page.filename for page in doc.pages()])
cmd.append(output_path)
subprocess.Popen(cmd).communicate()
elif format == "mid.pdf":
cmd = ["convert", "-scale", "50%x50%"]
cmd.extend([page.filename for page in doc.pages()])
cmd.append(output_path)
subprocess.Popen(cmd).communicate()
elif format == "low.pdf":
cmd = ["convert", "-scale", "30%x30%"]
cmd.extend([page.filename for page in doc.pages()])
cmd.append(output_path)
subprocess.Popen(cmd).communicate()
else:
raise Exception("Format %s is not supported" % format)
self.set_header("Content-Disposition", "attachment")
self.set_header("Content-Type", "application/octet-stream")
self.set_header("Content-Transfer_encoding", "binary")
result = open(output_path)
self.write(result.read())
def get(self, doc_key=None):
"retrieve a specific document"
if not doc_key:
return self.single_get()
doc = scan_data.read_document(doc_key, db)
doc_name = doc.name
pages = doc.pages()
pages_html = []
for page in pages:
pages_html.append(
"<a href=\"/page/%s\"><img src=\"/thumbnail/%s\" /></a>" %
(page.key(), page.key()))
pages_html = "\n".join(pages_html)
controls = """
<a href="/documents">Back To All Documents</a><br/>
<form action="/export/%(doc_key)s">
<select name="format">
<option value="zip">Download as zip</option>
<option value="big.pdf">Download as full quality PDF</option>
<option value="mid.pdf">Download as reasonable quality PDF</option>
<option value="low.pdf">Download as low quality PDF</option>
</select>
<input type="submit" value="Download" />
</form>
<form method="post">
<input type="submit" value="Scan a Page" />
</form>
""" % locals()
self.set_header("Content-Type", "text/html")
self.write("""
<html><head><title>Document: %(doc_name)s</title></head>
<body>
<h1>%(doc_name)s</h1>
%(controls)s
<hr/>
%(pages_html)s
<br/>
%(controls)s
</html>""" % locals())
def get(self, doc_key=None):
"retrieve a specific document"
if not doc_key:
return self.single_get()
doc = scan_data.read_document(doc_key, db)
doc_name = doc.name
pages = doc.pages()
pages_html = []
for page in pages:
pages_html.append("<a href=\"/page/%s\"><img src=\"/thumbnail/%s\" /></a>" % (page.key(), page.key()))
pages_html = "\n".join(pages_html)
controls = """
<a href="/documents">Back To All Documents</a><br/>
<form action="/export/%(doc_key)s">
<select name="format">
<option value="zip">Download as zip</option>
<option value="big.pdf">Download as full quality PDF</option>
<option value="mid.pdf">Download as reasonable quality PDF</option>
<option value="low.pdf">Download as low quality PDF</option>
</select>
<input type="submit" value="Download" />
</form>
<form method="post">
<input type="submit" value="Scan a Page" />
</form>
""" % locals()
self.set_header("Content-Type", "text/html")
self.write("""
<html><head><title>Document: %(doc_name)s</title></head>
<body>
<h1>%(doc_name)s</h1>
%(controls)s
<hr/>
%(pages_html)s
<br/>
%(controls)s
</html>""" % locals())