nicer images with clmage

py-packages/markslider/markslider/markslider.py

@@ -20,7 +20,7 @@
 """Markslider: a slideshow engine based on markdown."""
 
 __author__ = "Ville Rantanen <ville.q.rantanen@gmail.com>"
-__version__ = "1.3"
+__version__ = "1.3.1"
 
 import sys, os, argparse, re, datetime
 from argparse import ArgumentParser
@@ -28,6 +28,10 @@ import traceback, tty, termios, subprocess, signal
 
 sys.path.append(os.path.dirname(os.path.realpath(__file__)))
 import ansicodes, md_color
+try:
+    import climage
+except ImportError:
+    pass
 
 HL = ">"
 EOS = "# End of Slides"
@@ -59,6 +63,7 @@ class slide_reader:
         self.files = files
         self.reader = None
         self.opts = opts
+        self.scrsize = get_console_size()
         self.pages = 0
         self.page = 0
         self.file_start_page = []
@@ -236,8 +241,10 @@ class slide_reader:
                 if command != None:
                     return self.launch(command)
         image = self.re_image_convert.match(s)
-        if image != None:
+        try:
             return self.convert_image(image)
+        except Exception:
+            pass
         return [s]
 
     def launch(self, command):
@@ -263,17 +270,16 @@ class slide_reader:
         # return [s]
 
     def convert_image(self, image):
-        """comnvert image using tags ![]()>
+        """convert image using tags ![]()>
         Remove empty lines from beginning and end of stdout.
         """
         # ~ 2=title
         # ~ 3=image command
-        output = subprocess.check_output(
-            "convert %s JPEG:- | jp2a --colors --width=70 -" % (image.group(3),),
-            shell=True,
+        width = max(5, self.scrsize[1] - 10)
+        output = climage.convert(
+            image.group(3),
+            is_unicode=True, is_truecolor=True, is_256color=False, is_16color=False, is_8color=False, width=width, palette="default"
         )
-        if type(output) == bytes:
-            output = output.decode("utf-8")
         output = output.split("\n")
         while len(output[0].strip()) == 0:
             if len(output) == 1:
@@ -283,11 +289,8 @@ class slide_reader:
             if len(output) == 1:
                 return [""]
             del output[-1]
-        return_value = [image.group(1)]
-        return_value.extend(output)
-        # ~ return_value.append(image.group(4))
+        return_value = [image.group(1), *output]
         return return_value
-        # return [s]
 
     def rename_duplicates(self):
 
@@ -382,7 +385,7 @@ Special syntaxes:
     * Text after a "# End of Slides" is not shown
     * Execute shell: ` command -switch `!  Beware of malicious code!
     * Execute and print output: ` command `> Beware of malicious code!
-    * Convert images to ASCII, with jp2a: ![](file.jpg)>
+    * Convert images to ANSI, with climage: ![](file.jpg)>
 
 Keyboard shortcuts:
 """

py-packages/markslider/setup.py

@@ -18,6 +18,6 @@ setup(
     keywords=["Markdown", "Slideshow"],
     entry_points = {'console_scripts': 'markslider = markslider.markslider:main'},
     install_requires = [
-        'pygments'
+        'pygments', 'climage'
     ]
 )