Many code examples on the official Python documentation do not have a >>> copy button. For example, the code snippets in the current collections module. Those examples were excluded since Sphinx assigns a different highlight language to those code-blocks.

In the past, Sphinx used python3 to highlight all the doctest and malformed code blocks (started with : instead of ::). Those blockes had the highlight-python3 CSS class in the generated HTML. For example, see the collections module in Python 3.3.

However, with the recent change in Sphinx (sphinx-doc/sphinx#4137), the doctest blocks are highlighted by pycon, and malformed blocks become default for unknown reason. Therefore, those blocks are not captured by copybutton.js due to a different CSS class name. There are in total 185 doctests and 382 malformed(?) code blocks highlighted by pycon and default language in the latest Python official documentation. Note that the default language has a similar behavior to python3.

This pull request lets code blocks of two additional languages (pycon and default) to add the copybutton.

install/index.html:1
faq/windows.html:2
faq/extending.html:2
faq/programming.html:2
whatsnew/3.2.html:1
whatsnew/2.7.html:11
extending/embedding.html:1
extending/extending.html:1
extending/newtypes_tutorial.html:5
library/shlex.html:1
library/re.html:4
library/urllib.parse.html:2
library/multiprocessing.html:7
howto/sorting.html:1
howto/logging-cookbook.html:2
library/turtle.html:72
library/decimal.html:12
library/unittest.mock.html:4
library/http.cookies.html:1
library/statistics.html:19
library/secrets.html:3
library/ssl.html:1
library/email.compat32-message.html:2
library/email.policy.html:1
library/traceback.html:1
library/collections.html:7
library/email.message.html:2
library/datetime.html:2
library/difflib.html:1
library/email.iterators.html:1
library/configparser.html:13

tutorial/floatingpoint.html:1
faq/programming.html:8
whatsnew/3.2.html:32
whatsnew/2.7.html:2
library/getopt.html:2
library/shlex.html:3
library/hashlib.html:10
library/re.html:3
library/unicodedata.html:1
library/urllib.parse.html:3
library/functions.html:10
library/weakref.html:6
library/base64.html:1
library/ftplib.html:1
library/reprlib.html:1
library/turtle.html:3
library/inspect.html:1
library/pprint.html:4
library/operator.html:5
library/unittest.mock-examples.html:55
library/decimal.html:23
library/unittest.mock.html:72
library/copyreg.html:1
library/ssl.html:3
library/time.html:1
library/fractions.html:3
library/functools.html:1
library/ipaddress.html:19
library/pathlib.html:2
library/fnmatch.html:1
library/collections.html:18
library/stdtypes.html:12
library/datetime.html:10
library/difflib.html:17
library/nntplib.html:6
howto/ipaddress.html:3
howto/functional.html:15
howto/sorting.html:22
reference/lexical_analysis.html:1