Return pdf as response

Lalit_Patil · January 21, 2019, 6:30am

Hi,

I have written code to generate pdf but unable to send pdf to browser in web services.

Please let me know how can i achieve…
Let me know any other information needed…

magic-overflow · January 21, 2019, 10:56am

Check this, hope it helps.

JS called

github.com

frappe/frappe/blob/22f4433406b8583d05ea4eaeb9dfe2cc10d20a2c/frappe/public/js/frappe/form/print.js#L66


      
          		});
          
          
		this.wrapper.find(".btn-print-preview").click(function () {
          			if (me.is_old_style()) {
          				me.new_page_preview_old_style();
          			} else {
          				me.new_page_preview();
          			}
          		});
          
          
		this.wrapper.find(".btn-download-pdf").click(function () {
          			if (!me.is_old_style()) {
          				var w = window.open(
          					frappe.urllib.get_full_url("/api/method/frappe.utils.print_format.download_pdf?"
          						+ "doctype=" + encodeURIComponent(me.frm.doc.doctype)
          						+ "&name=" + encodeURIComponent(me.frm.doc.name)
          						+ "&format=" + me.selected_format()
          						+ "&no_letterhead=" + (me.with_letterhead() ? "0" : "1")
          						+ (me.lang_code ? ("&_lang=" + me.lang_code) : ""))
          				);
          				if (!w) {

Python response

github.com

frappe/frappe/blob/d0e7690ae2f219c1688411a19f952179f885528d/frappe/utils/print_format.py#L92


      
          	# Get the content of the merged pdf files
          	fname = os.path.join("/tmp", "frappe-pdf-{0}.pdf".format(frappe.generate_hash()))
          	output.write(open(fname,"wb"))
          
          
	with open(fname, "rb") as fileobj:
          		filedata = fileobj.read()
          
          
	return filedata
          
          
@frappe.whitelist()
          def download_pdf(doctype, name, format=None, doc=None, no_letterhead=0):
          	html = frappe.get_print(doctype, name, format, doc=doc, no_letterhead=no_letterhead)
          	frappe.local.response.filename = "{name}.pdf".format(name=name.replace(" ", "-").replace("/", "-"))
          	frappe.local.response.filecontent = get_pdf(html)
          	frappe.local.response.type = "download"
          
          
@frappe.whitelist()
          def report_to_pdf(html, orientation="Landscape"):
          	frappe.local.response.filename = "report.pdf"
          	frappe.local.response.filecontent = get_pdf(html, {"orientation": orientation})
          	frappe.local.response.type = "download"

Artem · August 29, 2019, 9:34pm

Is exists some function which can return pdf as response? For example:

response= get_pdf(doctype_name=“name”)
with open(“file.pdf”,“wb”) as file:
file.write(response)

Function download pdf returns nothing

TurkerTunali · December 18, 2019, 2:35pm

Does this help?
http://site.local:8000/api/method/frappe.utils.print_format.download_pdf?doctype={doctype}&name={name}&format={print_format_name}&no_letterhead=0