Fix flake8 warnings

examples/stream.py

@@ -1,7 +1,6 @@
 #!/usr/bin/env python3
 
 import sys
-import gc
 import requests
 import pyvips
 
@@ -20,8 +19,7 @@
     source.on_read((lambda stream: stream.read)(stream))
 
     tile = pyvips.Image.new_from_source(source, "", access="sequential")
-    image = image.composite2(tile, "over", x= 50 * (i + 1), y= 50 * (i + 1))
+    image = image.composite2(tile, "over", x=50 * (i + 1), y=50 * (i + 1))
 
-print(f"writing output.jpg ...")
+print("writing output.jpg ...")
 image.write_to_file("output.jpg")
-

pyvips/__init__.py

@@ -26,15 +26,15 @@
     gobject_lib = _libvips.lib
 
     # now check that the binary wrapper is for the same version of libvips that
-    # we find ourseleves linking to at runtime ... if it isn't, we must fall 
+    # we find ourseleves linking to at runtime ... if it isn't, we must fall
     # back to ABI mode
     lib_major = vips_lib.vips_version(0)
     lib_minor = vips_lib.vips_version(1)
     wrap_major = vips_lib.VIPS_MAJOR_VERSION
     wrap_minor = vips_lib.VIPS_MINOR_VERSION
-    logger.debug('Module generated for libvips %s.%s' % 
-                 (wrap_major, wrap_minor)) 
-    logger.debug('Linked to libvips %s.%s' % (lib_major, lib_minor)) 
+    logger.debug('Module generated for libvips %s.%s' %
+                 (wrap_major, wrap_minor))
+    logger.debug('Linked to libvips %s.%s' % (lib_major, lib_minor))
 
     if wrap_major != lib_major or wrap_minor != lib_minor:
         raise Exception('bad wrapper version')
@@ -109,16 +109,17 @@
 
     ffi.cdef(cdefs(features))
 
+
 from .error import *
 
 # redirect all vips warnings to logging
 
 class GLogLevelFlags(object):
-    # log flags 
+    # log flags
     FLAG_RECURSION          = 1 << 0
     FLAG_FATAL              = 1 << 1
 
-    # GLib log levels 
+    # GLib log levels
     LEVEL_ERROR             = 1 << 2       # always fatal 
     LEVEL_CRITICAL          = 1 << 3
     LEVEL_WARNING           = 1 << 4
@@ -127,14 +128,15 @@ class GLogLevelFlags(object):
     LEVEL_DEBUG             = 1 << 7
 
     LEVEL_TO_LOGGER = {
-        LEVEL_DEBUG : 10,
-        LEVEL_INFO : 20,
-        LEVEL_MESSAGE : 20,
-        LEVEL_WARNING : 30,
-        LEVEL_ERROR : 40,
-        LEVEL_CRITICAL : 50,
+        LEVEL_DEBUG: 10,
+        LEVEL_INFO: 20,
+        LEVEL_MESSAGE: 20,
+        LEVEL_WARNING: 30,
+        LEVEL_ERROR: 40,
+        LEVEL_CRITICAL: 50,
     }
 
+
 if API_mode:
     @ffi.def_extern()
     def _log_handler_callback(domain, level, message, user_data):
@@ -151,16 +153,16 @@ def _log_handler_callback(domain, level, message, user_data):
     # keep a ref to the cb to stop it being GCd
     _log_handler_cb = ffi.callback('GLogFunc', _log_handler_callback)
 
-_log_handler_id = glib_lib.g_log_set_handler(_to_bytes('VIPS'), 
-                           GLogLevelFlags.LEVEL_DEBUG | 
-                           GLogLevelFlags.LEVEL_INFO | 
-                           GLogLevelFlags.LEVEL_MESSAGE | 
-                           GLogLevelFlags.LEVEL_WARNING | 
-                           GLogLevelFlags.LEVEL_CRITICAL | 
-                           GLogLevelFlags.LEVEL_ERROR | 
-                           GLogLevelFlags.FLAG_FATAL | 
-                           GLogLevelFlags.FLAG_RECURSION,
-                           _log_handler_cb, ffi.NULL)
+_log_handler_id = glib_lib.g_log_set_handler(_to_bytes('VIPS'),
+                                             GLogLevelFlags.LEVEL_DEBUG |
+                                             GLogLevelFlags.LEVEL_INFO |
+                                             GLogLevelFlags.LEVEL_MESSAGE |
+                                             GLogLevelFlags.LEVEL_WARNING |
+                                             GLogLevelFlags.LEVEL_CRITICAL |
+                                             GLogLevelFlags.LEVEL_ERROR |
+                                             GLogLevelFlags.FLAG_FATAL |
+                                             GLogLevelFlags.FLAG_RECURSION,
+                                             _log_handler_cb, ffi.NULL)
 
 # ffi doesn't like us looking up methods during shutdown: make a note of the
 # remove handler here
@@ -176,6 +178,7 @@ def _remove_log_handler():
         _remove_handler(_to_bytes('VIPS'), _log_handler_id)
         _log_handler_id = None
 
+
 atexit.register(_remove_log_handler)
 
 from .enums import *

pyvips/base.py

@@ -134,8 +134,8 @@ def enum_dict(gtype):
     g_enum_class = ffi.cast('GEnumClass *', g_type_class)
 
     # -1 since we always have a "last" member.
-    return {_to_string(g_enum_class.values[i].value_nick): 
-                g_enum_class.values[i].value
+    return {_to_string(g_enum_class.values[i].value_nick):
+            g_enum_class.values[i].value
             for i in range(g_enum_class.n_values - 1)}
 
 
@@ -145,8 +145,8 @@ def flags_dict(gtype):
     g_type_class = gobject_lib.g_type_class_ref(gtype)
     g_flags_class = ffi.cast('GFlagsClass *', g_type_class)
 
-    return {_to_string(g_flags_class.values[i].value_nick): 
-                g_flags_class.values[i].value
+    return {_to_string(g_flags_class.values[i].value_nick):
+            g_flags_class.values[i].value
             for i in range(g_flags_class.n_values)}
 
 

pyvips/pyvips_build.py

@@ -4,7 +4,7 @@
 from cffi import FFI
 
 # we must have the vips package to be able to do anything
-if not pkgconfig.exists('vips'): 
+if not pkgconfig.exists('vips'):
     raise Exception('unable to find pkg-config package "vips"')
 if pkgconfig.installed('vips', '< 8.2'):
     raise Exception('pkg-config "vips" is too old -- need libvips 8.2 or later')
@@ -14,7 +14,7 @@
 ffibuilder.set_source("_libvips",
     r""" 
         #include <vips/vips.h>
-    """, 
+    """,
     **pkgconfig.parse('vips'))
 
 major, minor, micro = [int(s) for s in pkgconfig.modversion('vips').split('.')]
@@ -26,12 +26,13 @@
     'api': True,
 }
 
+
 import vdecls
 
 # handy for debugging
-#with open('vips-source.txt','w') as f:
-#    c = vdecls.cdefs(features)
-#    f.write(c)
+# with open('vips-source.txt','w') as f:
+#     c = vdecls.cdefs(features)
+#     f.write(c)
 
 ffibuilder.cdef(vdecls.cdefs(features))