updated with new macOS name (#4308) (#4323)

* changed for new name as "macOS"  (issue #4308)

* updated macOS name

* update macOS name

* updated macOS name

* update for new macOS name

* docs/intro/install.rst: fix macOS header symbols

Co-Authored-By: elacuesta <elacuesta@users.noreply.github.com>

Co-authored-by: Adrián Chaves <adrian@chaves.io>
Co-authored-by: elacuesta <elacuesta@users.noreply.github.com>

README.rst

@@ -41,7 +41,7 @@ Requirements
 ============
 
 * Python 3.5+
-* Works on Linux, Windows, Mac OSX, BSD
+* Works on Linux, Windows, macOS, BSD
 
 Install
 =======

docs/intro/install.rst

@@ -12,7 +12,7 @@ under CPython (default Python implementation) and PyPy (starting with PyPy 5.9).
 
 If you're using `Anaconda`_ or `Miniconda`_, you can install the package from
 the `conda-forge`_ channel, which has up-to-date packages for Linux, Windows
-and OS X.
+and macOS.
 
 To install Scrapy using ``conda``, run::
 
@@ -148,11 +148,11 @@ you can install Scrapy with ``pip`` after that::
 
 .. _intro-install-macos:
 
-Mac OS X
---------
+macOS
+-----
 
 Building Scrapy's dependencies requires the presence of a C compiler and
-development headers. On OS X this is typically provided by Apple’s Xcode
+development headers. On macOS this is typically provided by Apple’s Xcode
 development tools. To install the Xcode command line tools open a terminal
 window and run::
 
@@ -191,7 +191,7 @@ solutions:
 *   *(Optional)* :ref:`Install Scrapy inside a Python virtual environment
     <intro-using-virtualenv>`.
 
-  This method is a workaround for the above OS X issue, but it's an overall
+  This method is a workaround for the above macOS issue, but it's an overall
   good practice for managing dependencies and can complement the first method.
 
 After any of these workarounds you should be able to install Scrapy::
@@ -207,7 +207,7 @@ For PyPy3, only Linux installation was tested.
 
 Most Scrapy dependencides now have binary wheels for CPython, but not for PyPy.
 This means that these dependecies will be built during installation.
-On OS X, you are likely to face an issue with building Cryptography dependency,
+On macOS, you are likely to face an issue with building Cryptography dependency,
 solution to this problem is described
 `here <https://github.com/pyca/cryptography/issues/2692#issuecomment-272773481>`_,
 that is to ``brew install openssl`` and then export the flags that this command

docs/news.rst

@@ -1076,7 +1076,7 @@ Cleanups & Refactoring
 ~~~~~~~~~~~~~~~~~~~~~~
 
 - Tests: remove temp files and folders (:issue:`2570`),
-  fixed ProjectUtilsTest on OS X (:issue:`2569`),
+  fixed ProjectUtilsTest on macOS (:issue:`2569`),
   use portable pypy for Linux on Travis CI (:issue:`2710`)
 - Separate building request from ``_requests_to_follow`` in CrawlSpider (:issue:`2562`)
 - Remove “Python 3 progress” badge (:issue:`2567`)
@@ -1645,7 +1645,7 @@ Bugfixes
 - Makes ``_monkeypatches`` more robust (:issue:`1634`).
 - Fixed bug on ``XMLItemExporter`` with non-string fields in
   items (:issue:`1738`).
-- Fixed startproject command in OS X (:issue:`1635`).
+- Fixed startproject command in macOS (:issue:`1635`).
 - Fixed :class:`~scrapy.exporters.PythonItemExporter` and CSVExporter for
   non-string item types (:issue:`1737`).
 - Various logging related fixes (:issue:`1294`, :issue:`1419`, :issue:`1263`,
@@ -1713,12 +1713,12 @@ Scrapy 1.0.4 (2015-12-30)
 - Typos corrections (:commit:`7067117`)
 - fix typos in downloader-middleware.rst and exceptions.rst, middlware -> middleware (:commit:`32f115c`)
 - Add note to Ubuntu install section about Debian compatibility (:commit:`23fda69`)
-- Replace alternative OSX install workaround with virtualenv (:commit:`98b63ee`)
+- Replace alternative macOS install workaround with virtualenv (:commit:`98b63ee`)
 - Reference Homebrew's homepage for installation instructions (:commit:`1925db1`)
 - Add oldest supported tox version to contributing docs (:commit:`5d10d6d`)
 - Note in install docs about pip being already included in python>=2.7.9 (:commit:`85c980e`)
 - Add non-python dependencies to Ubuntu install section in the docs (:commit:`fbd010d`)
-- Add OS X installation section to docs (:commit:`d8f4cba`)
+- Add macOS installation section to docs (:commit:`d8f4cba`)
 - DOC(ENH): specify path to rtd theme explicitly (:commit:`de73b1a`)
 - minor: scrapy.Spider docs grammar (:commit:`1ddcc7b`)
 - Make common practices sample code match the comments (:commit:`1b85bcf`)
@@ -2571,7 +2571,7 @@ Scrapy 0.18.0 (released 2013-08-09)
 - MetaRefreshMiddldeware and RedirectMiddleware have different priorities to address #62
 - added from_crawler method to spiders
 - added system tests with mock server
-- more improvements to Mac OS compatibility (thanks Alex Cepoi)
+- more improvements to macOS compatibility (thanks Alex Cepoi)
 - several more cleanups to singletons and multi-spider support (thanks Nicolas Ramirez)
 - support custom download slots
 - added --spider option to "shell" command.
@@ -2647,7 +2647,7 @@ Scrapy 0.16.3 (released 2012-12-07)
 
 - Remove concurrency limitation when using download delays and still ensure inter-request delays are enforced (:commit:`487b9b5`)
 - add error details when image pipeline fails (:commit:`8232569`)
-- improve mac os compatibility (:commit:`8dcf8aa`)
+- improve macOS compatibility (:commit:`8dcf8aa`)
 - setup.py: use README.rst to populate long_description (:commit:`7b5310d`)
 - doc: removed obsolete references to ClientForm (:commit:`80f9bb6`)
 - correct docs for default storage backend (:commit:`2aa491b`)

scrapy/extensions/memusage.py

@@ -47,7 +47,7 @@ class MemoryUsage(object):
     def get_virtual_size(self):
         size = self.resource.getrusage(self.resource.RUSAGE_SELF).ru_maxrss
         if sys.platform != 'darwin':
-            # on Mac OS X ru_maxrss is in bytes, on Linux it is in KB
+            # on macOS ru_maxrss is in bytes, on Linux it is in KB
             size *= 1024
         return size