normalize whitespace

src/escpos/escpos.py

@@ -126,7 +126,7 @@ class Escpos(object):
     def _image_send_graphics_data(self, m, fn, data):
         """
         Wrapper for GS ( L, to calculate and send correct data length.
-        
+
         :param m: Modifier//variant for function. Usually '0'
         :param fn: Function number to use, as byte
         :param data: Data to send
@@ -203,7 +203,7 @@ class Escpos(object):
     @staticmethod
     def _int_low_high(inp_number, out_bytes):
         """ Generate multiple bytes for a number: In lower and higher parts, or more parts as needed.
-        
+
         :param inp_number: Input number
         :param out_bytes: The number of bytes to output (1 - 4).
         """
@@ -259,7 +259,7 @@ class Escpos(object):
 
         .. todo:: If further barcode-types are needed they could be rendered transparently as an image. (This could also
                   be of help if the printer does not support types that others do.)
-        
+
         :param code: alphanumeric data to be printed as bar code
         :param bc: barcode format, possible values are for type A are:
 
@@ -555,7 +555,7 @@ class Escpos(object):
         Without any arguments the paper will be cut completely. With 'mode=PART' a partial cut will
         be attempted. Note however, that not all models can do a partial cut. See the documentation of
         your printer for details.
-        
+
         .. todo:: Check this function on TM-T88II.
 
         :param mode: set to 'PART' for a partial cut

src/escpos/image.py

@@ -28,7 +28,7 @@ class EscposImage(object):
     def __init__(self, img_source):
         """
         Load in an image
-        
+
         :param img_source: PIL.Image, or filename to load one from.
         """
         if isinstance(img_source, Image.Image):
@@ -45,12 +45,12 @@ class EscposImage(object):
         im = Image.new("RGB", img_original.size, (255, 255, 255))
         im.paste(img_original, mask=img_original.split()[3])
         # Convert down to greyscale
-        im = im.convert("L") 
+        im = im.convert("L")
         # Invert: Only works on 'L' images
         im = ImageOps.invert(im)
         # Pure black and white
         self._im = im.convert("1")
-    
+
     @property
     def width(self):
         """

src/escpos/magicencode.py

@@ -70,9 +70,9 @@ class Encoder(object):
     @staticmethod
     def _get_codepage_char_list(encoding):
         """Get codepage character list
-        
+
         Gets characters 128-255 for a given code page, as an array.
-        
+
         :param encoding: The name of the encoding. This must appear in the CodePage list
         """
         codepage = CodePages.get_encoding(encoding)
@@ -94,12 +94,12 @@ class Encoder(object):
 
     def _get_codepage_char_map(self, encoding):
         """ Get codepage character map
-        
+
         Process an encoding and return a map of UTF-characters to code points
         in this encoding.
-        
+
         This is generated once only, and returned from a cache.
-        
+
         :param encoding: The name of the encoding.
         """
         # Skip things that were loaded previously
@@ -112,7 +112,7 @@ class Encoder(object):
 
     def can_encode(self, encoding, char):
         """Determine if a character is encodeable in the given code page.
-        
+
         :param encoding: The name of the encoding.
         :param char: The character to attempt to encode.
         """
@@ -130,7 +130,7 @@ class Encoder(object):
     @staticmethod
     def _encode_char(char, charmap, defaultchar):
         """ Encode a single character with the given encoding map
-        
+
         :param char: char to encode
         :param charmap: dictionary for mapping characters in this code page
         """
@@ -142,7 +142,7 @@ class Encoder(object):
 
     def encode(self, text, encoding, defaultchar='?'):
         """ Encode text under the given encoding
-        
+
         :param text: Text to encode
         :param encoding: Encoding name to use (must be defined in capabilities)
         :param defaultchar: Fallback for non-encodable characters

src/escpos/printer.py

@@ -34,7 +34,7 @@ class Usb(Escpos):
 
     """
 
-    def __init__(self, idVendor, idProduct, timeout=0, in_ep=0x82, out_ep=0x01, *args, **kwargs):
+    def __init__(self, idVendor, idProduct, timeout=0, in_ep=0x82, out_ep=0x01, *args, **kwargs):  # noqa: N803
         """
         :param idVendor: Vendor ID
         :param idProduct: Product ID