added option to select local vektorkollektor.js file

extensions/fablabchemnitz/vektorkollektor/vektorkollektor.inx

@@ -4,8 +4,16 @@
     <id>fablabchemnitz.de.vektorkollektor</id>
     <param name="tab" type="notebook">
         <page name="tab_settings" gui-text="Settings">
+            <label appearance="header">Input Source</label>
+            <param name="download_or_local" gui-text="Input" type="optiongroup" appearance="radio">
+                <option value="remote">Download recent vektorkollektor.js file using the given URL</option>
+                <option value="local">Use local input file using given path</option>
+            </param>
             <param name="vk_url" type="string" gui-text="Data URL" gui-description="default: http://www.vektorkollektor.com/vektordaten/vektorkollektor.js">http://www.vektorkollektor.com/vektordaten/vektorkollektor.js</param>
-            <param name="vk_id" type="int" gui-text="Vektorkollektor ID" min="0" max="99999" gui-description="The desired Vektorkolletor drawing ID">0</param>
+            <param name="vk_inputfile" type="path" gui-text="Local file (*.js)" gui-description="Full path to your raw Vektorkollektor *.js file" filetypes="js" mode="file">C:\Users\</param>
+            <param name="showinfo" type="bool" gui-text="Show additional information">false</param>
+            <label appearance="header">Vektorkollektor ID</label>
+            <param name="vk_id" type="int" gui-text="Number" min="0" max="99999" gui-description="The desired Vektorkolletor drawing ID">0</param>
         </page>
         <page name="tab_about" gui-text="About">
             <label appearance="header">Vektorkollektor</label>

extensions/fablabchemnitz/vektorkollektor/vektorkollektor.py

@@ -13,28 +13,40 @@ from lxml import etree
 import inkex
 from inkex import PathElement, Path
 import re
+import os
 from ast import literal_eval
 
 class Vektorkollektor(inkex.EffectExtension):
     
     def add_arguments(self, pars):
         pars.add_argument("--tab")
+        pars.add_argument("--vk_inputfile")
+        pars.add_argument("--download_or_local", default='local')
+        pars.add_argument("--showinfo", type=inkex.Boolean, default=False)
         pars.add_argument("--vk_url", default="http://www.vektorkollektor.com/vektordaten/vektorkollektor.js")
         pars.add_argument("--vk_id", type=int, default=1)
 
     def effect(self):
-        # Download the recent vektorkollektor data file and parse it
+        
-        handler = urllib.request.HTTPBasicAuthHandler()
+        if self.options.download_or_local == "local":
-        opener = urllib.request.build_opener(handler)
+            if not os.path.exists(self.options.vk_inputfile):
-   
+                self.msg("The input file does not exist. Please select a proper file and try again.")
+                exit(1)
+            with open(self.options.vk_inputfile, 'r') as file:
+                vkData = file.read()
+        else:
+            # Download the recent vektorkollektor data file and parse it
+            handler = urllib.request.HTTPBasicAuthHandler()
+            opener = urllib.request.build_opener(handler)
+            vkData = opener.open(self.options.vk_url).read().decode("utf-8")
+            urllib.request.install_opener(opener)
+            
         try:
             xP = [] #x-coordinate
             yP = [] #y-coordinate
             cP = [] #draw
             fN = [] #original vektorkollektor .PLT file number
-            
+
-            vkData = opener.open(self.options.vk_url).read().decode("utf-8")
-            urllib.request.install_opener(opener)
             for match in re.compile(r"""^var xP = .*;""", re.MULTILINE).finditer(vkData):
                 xP = literal_eval(match.group(0).split("var xP = ")[1].split(";")[0])
             for match in re.compile(r"""^var yP = .*;""", re.MULTILINE).finditer(vkData):
@@ -44,6 +56,9 @@ class Vektorkollektor(inkex.EffectExtension):
             for match in re.compile(r"""^var fN = .*;""", re.MULTILINE).finditer(vkData):
                 fN = literal_eval(match.group(0).split("var fN = ")[1].split(";")[0])
 
+            if self.options.showinfo is True:
+                self.msg("Input file contains {} drawings.".format(fN[-2])) #last number is always 0, so we use the second last
+
             vkGroup = self.document.getroot().add(inkex.Group(id="vektorkollektor-{}".format(self.options.vk_id))) 
             for move in range(0, len(fN)):
                 begin = None
@@ -62,6 +77,10 @@ class Vektorkollektor(inkex.EffectExtension):
                         newLine.path = Path("M {},{} L {},{}".format(begin[0], begin[1], end[0], end[1]))
                         newLine.style = "fill:none;stroke:#000000;stroke-width:1;stroke-linecap:round"
                         vkGroup.append(newLine)
+           
+            if self.options.showinfo is True:
+                self.msg("The drawing with id {} contains {} drawable vectors.".format(self.options.vk_id, len(vkGroup)))
+
                            
         except Exception as e:
             inkex.errormsg(e)