small printer tweaks for twitter timeline

screenless/bureau/bureau.py

@@ -247,29 +247,28 @@ class Bureau(object):
         subprocess.call("lpr " + pdfpath, shell=True)
 
     # TODO: make this asynchronous
-    def print_small(self, text, printer="/dev/usb/lp0"):
+    def print_small(self, text, cut=True):
         """
         print on Thermal Line printer.
         """
         # TODO: look up device and width in config
-        # TODO: refactor this to use escpos library
-        lp = open(printer, "w")
-        text = textwrap.fill(text, width=32)
-        text += "\r\n" * 5 
-        # text += ".d0"
-        lp.write(text)
-        lp.close()
+        prn = printer.Usb(0x416, 05011, in_ep=0x81, out_ep=0x03)
+        text = textwrap.fill(text, width=48)
+        text += "\r\n" * 2
+        prn.text(text + "\r\n\r\n")
+        if cut:
+            prn.cut()
 
     def print_small_image(self, img):
         """
         print an image on the mini thermal printer.
         """
         # TODO: make printer id/width configured and easy
-        prn = printer.Usb(0x416, 0x5011)
+        prn = printer.Usb(0x416, 0x5011, in_ep=0x81, out_ep=0x03)
         im = PIL.Image.open(img)
         # NOTE: might be worth tring to push up brightness
         im = PIL.ImageOps.equalize(im)  # stretch histogram for nicer dither
-        im.thumbnail((384, 384), PIL.Image.ANTIALIAS)  # resize to fit printer
+        im.thumbnail((576, 576), PIL.Image.ANTIALIAS)  # resize to fit printer
         prn.image(im, impl="bitImageColumn")  # not using this impl crashes ??
 
     @add_command("test")

screenless/bureau/publicrelations/publicrelations.py

@@ -1,4 +1,9 @@
+import textwrap
+import urllib
+
+from escpos import printer
 import facebook
+import PIL
 import requests
 import twitter
 
@@ -82,14 +87,36 @@ class PublicRelations(Bureau):
         else:
             count = 10
 
+        prn = printer.Usb(0x416, 0x5011, in_ep=0x81, out_ep=0x03)
+        prn.codepage = "cp437"
+
         # TODO: add fancier formatting i.e. inverted text for username/handle
         tweets = self.t.t.statuses.home_timeline(count=count)
         out = ""
         for t in tweets:
-            out += t["user"]["name"] + " : " + t["text"] + "\r\n\r\n"
-        self.print_small(out)
-        # TODO: download and print image entities:
-        #       https://dev.twitter.com/overview/api/entities-in-twitter-objects
+            prn.set(text_type="U")
+            prn.text(t["user"]["name"] + "\r\n")
+            prn.set(text_type="NORMAL")
+            t_wrapped = textwrap.fill(t["text"], width=48) + "\r\n"
+            t_enc = t_wrapped.encode("cp437", "ignore")
+            prn._raw(t_enc)
+
+            if "media" in t["entities"]:
+                if len(t["entities"]["media"]) > 0:
+                    i_url = t["entities"]["media"][0]["media_url"]
+                    filename = i_url.rsplit('/',1)[1]
+                    filename = "/tmp/" + filename
+                    print("fetching", i_url, filename)
+                    urllib.request.urlretrieve(i_url, filename)
+                    im = PIL.Image.open(filename)
+                    im = PIL.ImageOps.equalize(im)
+                    im.thumbnail((576, 576), PIL.Image.ANTIALIAS)
+                    prn.image(im, impl="bitImageColumn")
+
+            prn.text("\r\n\r\n")
+
+        prn.cut()
+           
 
 
 def main():