reformat PEP8 and similar issues

examples/codepage_tables.py

@@ -46,8 +46,8 @@ def print_codepage(printer, codepage):
         printer._raw("{} ".format(hex(x)[2:]))
         printer.set()
 
-        for y in range(0,16):
-            byte = six.int2byte(x*16+y)
+        for y in range(0, 16):
+            byte = six.int2byte(x * 16 + y)
 
             if byte in (ESC, CTL_LF, CTL_FF, CTL_CR, CTL_HT, CTL_VT):
                 byte = ' '
@@ -56,5 +56,6 @@ def print_codepage(printer, codepage):
             printer._raw(sep)
         printer._raw('\n')
 
+
 if __name__ == '__main__':
     main()

src/escpos/capabilities.py

@@ -3,7 +3,6 @@ import six
 from os import path
 import yaml
 
-
 # Load external printer database
 with open(path.join(path.dirname(__file__), 'capabilities.json')) as f:
     CAPABILITIES = yaml.load(f)
@@ -11,7 +10,6 @@ with open(path.join(path.dirname(__file__), 'capabilities.json')) as f:
 PROFILES = CAPABILITIES['profiles']
 
 
-
 class NotSupported(Exception):
     """Raised if a requested feature is not suppored by the
     printer profile.
@@ -61,7 +59,6 @@ class BaseProfile(object):
         return {v: k for k, v in self.codePages.items()}
 
 
-
 def get_profile(name=None, **kwargs):
     """Get the profile by name; if no name is given, return the
     default profile.
@@ -92,17 +89,18 @@ def get_profile_class(name):
 
 
 def clean(s):
-   # Remove invalid characters
-   s = re.sub('[^0-9a-zA-Z_]', '', s)
-   # Remove leading characters until we find a letter or underscore
-   s = re.sub('^[^a-zA-Z_]+', '', s)
-   return str(s)
+    # Remove invalid characters
+    s = re.sub('[^0-9a-zA-Z_]', '', s)
+    # Remove leading characters until we find a letter or underscore
+    s = re.sub('^[^a-zA-Z_]+', '', s)
+    return str(s)
 
 
 class Profile(get_profile_class('default')):
     """
     For users, who want to provide their profile
     """
+
     def __init__(self, columns=None, features=None):
         super(Profile, self).__init__()
 
@@ -114,7 +112,3 @@ class Profile(get_profile_class('default')):
             return self.columns
 
         return super(Profile, self).get_columns(font)
-
-
-
-

src/escpos/codepages.py

@@ -12,7 +12,8 @@ class CodePageManager:
     def get_all(self):
         return self.data.values()
 
-    def get_encoding_name(self, encoding):
+    @staticmethod
+    def get_encoding_name(encoding):
         # TODO resolve the encoding alias
         return encoding.upper()
 

src/escpos/escpos.py

@@ -97,7 +97,8 @@ class Escpos(object):
         if impl == "bitImageRaster":
             # GS v 0, raster format bit image
             density_byte = (0 if high_density_horizontal else 1) + (0 if high_density_vertical else 2)
-            header = GS + b"v0" + six.int2byte(density_byte) + self._int_low_high(im.width_bytes, 2) + self._int_low_high(im.height, 2)
+            header = GS + b"v0" + six.int2byte(density_byte) + self._int_low_high(im.width_bytes, 2) +\
+                     self._int_low_high(im.height, 2)
             self._raw(header + im.to_raster_format())
 
         if impl == "graphics":
@@ -398,6 +399,7 @@ class Escpos(object):
         Text has to be encoded in unicode.
 
         :param txt: text to be printed
+        :param font: font to be used, can be :code:`a` or :code`b`
         :param columns: amount of columns
         :return: None
         """
@@ -539,7 +541,7 @@ class Escpos(object):
 
         if divisor not in LINESPACING_FUNCS:
             raise ValueError("divisor must be either 360, 180 or 60")
-        if (divisor in [360, 180] \
+        if (divisor in [360, 180]
                 and (not(0 <= spacing <= 255))):
             raise ValueError("spacing must be a int between 0 and 255 when divisor is 360 or 180")
         if divisor == 60 and (not(0 <= spacing <= 85)):

src/escpos/katakana.py

@@ -30,13 +30,12 @@ def encode_katakana(text):
         if char in TXT_ENC_KATAKANA_MAP:
             encoded.append(TXT_ENC_KATAKANA_MAP[char])
         else:
-            #TODO doesn't this discard all that is not in the map? Can we be shure that the input does contain only
+            # TODO doesn't this discard all that is not in the map? Can we be sure that the input does contain only
             # encodable characters? We could at least throw an exception if encoding is not possible.
             pass
     return b"".join(encoded)
 
 
-
 TXT_ENC_KATAKANA_MAP = {
     # Maps UTF-8 Katakana symbols to KATAKANA Page Codes
     # TODO: has this really to be hardcoded?

src/escpos/magicencode.py

@@ -67,7 +67,8 @@ class Encoder(object):
                 ).format(encoding, ','.join(self.codepages.keys())))
         return encoding
 
-    def _get_codepage_char_list(self, encoding):
+    @staticmethod
+    def _get_codepage_char_list(encoding):
         """Get codepage character list
         
         Gets characters 128-255 for a given code page, as an array.
@@ -126,7 +127,8 @@ class Encoder(object):
         is_encodable = char in available_map
         return is_ascii or is_encodable
 
-    def _encode_char(self, char, charmap, defaultchar):
+    @staticmethod
+    def _encode_char(char, charmap, defaultchar):
         """ Encode a single character with the given encoding map
         
         :param char: char to encode

test/test_cli.py

@@ -30,7 +30,7 @@ printer:
 )
 
 
-class TestCLI():
+class TestCLI:
     """ Contains setups, teardowns, and tests for CLI
     """
 

test/test_functions.py

@@ -17,10 +17,10 @@ def test_line_spacing_rest():
 def test_line_spacing_error_handling():
     printer = Dummy()
     with assert_raises(ValueError):
-      printer.line_spacing(99, divisor=44)
+        printer.line_spacing(99, divisor=44)
     with assert_raises(ValueError):
-      printer.line_spacing(divisor=80, spacing=86)
+        printer.line_spacing(divisor=80, spacing=86)
     with assert_raises(ValueError):
-      printer.line_spacing(divisor=360, spacing=256)
+        printer.line_spacing(divisor=360, spacing=256)
     with assert_raises(ValueError):
-      printer.line_spacing(divisor=180, spacing=256)
+        printer.line_spacing(divisor=180, spacing=256)

test/test_magicencode.py

@@ -22,7 +22,6 @@ from escpos.katakana import encode_katakana
 from escpos.exceptions import CharCodeError, Error
 
 
-
 class TestEncoder:
     """
     Tests the single encoders.

test/test_printer_file.py

@@ -26,6 +26,7 @@ if six.PY3:
 else:
     mock_open_call = '__builtin__.open'
 
+
 @given(path=text())
 def test_load_file_printer(mocker, path):
     """test the loading of the file-printer"""