Windows Printing

lmu · Sep 23, 2020 · 8fcc149 · 8fcc149
1 parent 9c4f185
commit 8fcc149
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Showing 4 changed files with 31 additions and 14 deletions.
diff --git a/src/lmu/localprintservice/__init__.py b/src/lmu/localprintservice/__init__.py
@@ -1,6 +1,7 @@
 from pyramid.config import Configurator
 
 import os.path
+import sys
 
 
 def main(global_config, **settings):

diff --git a/src/lmu/localprintservice/openapi.yaml b/src/lmu/localprintservice/openapi.yaml
@@ -24,7 +24,7 @@ paths:
                   type: string
                   example: "Printer 1"
 
-  /printpdf:
+  /print:
     post:
       summary: Silent Print of the provided PDF on designated printer
       requestBody:
@@ -42,8 +42,8 @@ paths:
                     type: string
                     format: binary
       responses:
-        "201":
-          description: Created
+        "202":
+          description: Accepted
         "400":
           description: Bad Request
     put:
@@ -62,7 +62,7 @@ paths:
               type: string
               format: binary
       responses:
-        "201":
-          description: Created
+        "202":
+          description: Accepted
         "400":
           description: Bad Request
diff --git a/src/lmu/localprintservice/routes.py b/src/lmu/localprintservice/routes.py
@@ -2,5 +2,5 @@ def includeme(config):
     config.add_static_view("static", "static", cache_max_age=3600)
     # API Routes
     config.add_route("get_printer_route", "/api/v1/printers", request_method="GET")
-    config.add_route("print_pdf_route_post", "/api/v1/printpdf", request_method="POST")
-    config.add_route("print_pdf_route_put", "/api/v1/printpdf", request_method="PUT")
+    config.add_route("print_pdf_route_post", "/api/v1/print", request_method="POST")
+    config.add_route("print_pdf_route_put", "/api/v1/print", request_method="PUT")
diff --git a/src/lmu/localprintservice/views.py b/src/lmu/localprintservice/views.py
@@ -1,3 +1,4 @@
+from pathlib import Path
 from pyramid.response import Response
 from pyramid.view import view_config
 from pyramid.view import notfound_view_config
@@ -6,6 +7,7 @@
 import glob
 import json
 import os.path
+import subprocess
 import sys
 import tempfile
 
@@ -34,6 +36,17 @@ def get_default_printer():
         return default_printer
 
 
+def getGhostScript():
+    if sys.platform == "win32":
+        p = Path("/Program Files")
+        gs = [f for f in p.rglob("gswin64c.exe")] + [f for f in p.rglob("gswin32c.exe")]
+        if len(gs) == 0:
+            raise NotImplementedError("No GhostScript Dependency found.")
+        elif len(gs) == 1:
+            return str(gs[0])
+        else:
+            breakpoint()
+
 options = {
     "media": "A4",
     "InputSlot": "Tray2",
@@ -95,14 +108,16 @@ def print_pdf_post_view(request):
                         counter += 1
         files_to_print = glob.glob(os.path.join(os.path.abspath(dir), "*.pdf"))
         if sys.platform == "win32":
-            from win32 import win32print
-            return win32print.GetDefaultPrinter()
+            args = f'"{getGhostScript()}" -sDevice=mswinpr2 -dBATCH -dNOPAUSE -dFitPage -sOutputFile="%printer%{printer}" '
+            for f in files_to_print:
+                ghostscript = args + os.path.join(files_to_print[0]).replace("\\", "\\\\")
+                subprocess.call(ghostscript, shell=True)
         else:
             import cups
             conn = cups.Connection()
             printer = "HP_LaserJet_400_colorMFP_M475dn"
             conn.printFiles(printer, files_to_print, "Test", options)
-    return Response("Created", status=201)
+    return Response("Accepted", status=202)
 
 
 
@@ -117,14 +132,15 @@ def print_pdf_put_view(request):
             pdf.write(request.body)
         files_to_print = glob.glob(os.path.join(os.path.abspath(dir), "*.pdf"))
         if sys.platform == "win32":
-            from win32 import win32print
-            return win32print.GetDefaultPrinter()
+            args = f'"{getGhostScript()}" -sDevice=mswinpr2 -dBATCH -dNOPAUSE -dFitPage -sOutputFile="%printer%{printer}" '
+            ghostscript = args + os.path.join(files_to_print[0]).replace("\\", "\\\\")
+            print(ghostscript)
+            subprocess.call(ghostscript, shell=True)
         else:
             import cups
             conn = cups.Connection()
-            breakpoint()
             conn.printFiles(printer, files_to_print, "Test", options)
-    return Response("Created", status=201)
+    return Response(status=202)
 
 
 @notfound_view_config(renderer="json")