Staging
v0.5.1
v0.5.1
https://github.com/python/cpython
- HEAD
- refs/heads/2.7
- refs/heads/3.6
- refs/heads/3.7
- refs/heads/3.8
- refs/heads/3.9
- refs/heads/Mariatta-patch-1
- refs/heads/Mariatta-patch-2
- refs/heads/buildbot-custom
- refs/heads/descr-howto-feedback
- refs/heads/master
- refs/heads/revert-23107-revert-13893-fix-issue-37193
- refs/tags/v0.9.8
- refs/tags/v0.9.9
- refs/tags/v1.0.1
- refs/tags/v1.0.2
- refs/tags/v1.1
- refs/tags/v1.1.1
- refs/tags/v1.2
- refs/tags/v1.2b1
- refs/tags/v1.2b2
- refs/tags/v1.2b3
- refs/tags/v1.2b4
- refs/tags/v1.3
- refs/tags/v1.3b1
- refs/tags/v1.4
- refs/tags/v1.4b1
- refs/tags/v1.4b2
- refs/tags/v1.4b3
- refs/tags/v1.5
- refs/tags/v1.5.1
- refs/tags/v1.5.2
- refs/tags/v1.5.2a1
- refs/tags/v1.5.2a2
- refs/tags/v1.5.2b1
- refs/tags/v1.5.2b2
- refs/tags/v1.5.2c1
- refs/tags/v1.5a1
- refs/tags/v1.5a2
- refs/tags/v1.5a3
- refs/tags/v1.5a4
- refs/tags/v1.5b1
- refs/tags/v1.5b2
- refs/tags/v1.6a1
- refs/tags/v1.6a2
- refs/tags/v2.0
- refs/tags/v2.0.1
- refs/tags/v2.0.1c1
- refs/tags/v2.0b1
- refs/tags/v2.0b2
- refs/tags/v2.0c1
- refs/tags/v2.1
- refs/tags/v2.1.1
- refs/tags/v2.1.1c1
- refs/tags/v2.1.2
- refs/tags/v2.1.2c1
- refs/tags/v2.1.3
- refs/tags/v2.1a1
- refs/tags/v2.1a2
- refs/tags/v2.1b1
- refs/tags/v2.1b2
- refs/tags/v2.1c1
- refs/tags/v2.1c2
- refs/tags/v2.2
- refs/tags/v2.2.1
- refs/tags/v2.2.1c1
- refs/tags/v2.2.1c2
- refs/tags/v2.2.2
- refs/tags/v2.2.2b1
- refs/tags/v2.2.3
- refs/tags/v2.2.3c1
- refs/tags/v2.2a3
- refs/tags/v2.3.1
- refs/tags/v2.3.2
- refs/tags/v2.3.2c1
- refs/tags/v2.3.3
- refs/tags/v2.3.3c1
- refs/tags/v2.3.4
- refs/tags/v2.3.4c1
- refs/tags/v2.3.5
- refs/tags/v2.3.5c1
- refs/tags/v2.3.6
- refs/tags/v2.3.6c1
- refs/tags/v2.3.7
- refs/tags/v2.3.7c1
- refs/tags/v2.3c1
- refs/tags/v2.3c2
- refs/tags/v2.4
- refs/tags/v2.4.1
- refs/tags/v2.4.1c1
- refs/tags/v2.4.1c2
- refs/tags/v2.4.2
- refs/tags/v2.4.2c1
- refs/tags/v2.4.3
- refs/tags/v2.4.3c1
- refs/tags/v2.4.4
- refs/tags/v2.4.4c1
- refs/tags/v2.4.5
- refs/tags/v2.4.5c1
- refs/tags/v2.4.6
- refs/tags/v2.4.6c1
- refs/tags/v2.4a1
- refs/tags/v2.4a2
- refs/tags/v2.4a3
- refs/tags/v2.4b1
- refs/tags/v2.4b2
- refs/tags/v2.4c1
- refs/tags/v2.5
- refs/tags/v2.5.1
- refs/tags/v2.5.1c1
- refs/tags/v2.5.2
- refs/tags/v2.5.2c1
- refs/tags/v2.5.3
- refs/tags/v2.5.3c1
- refs/tags/v2.5.4
- refs/tags/v2.5.5
- refs/tags/v2.5.5c1
- refs/tags/v2.5.5c2
- refs/tags/v2.5.6
- refs/tags/v2.5.6c1
- refs/tags/v2.5a0
- refs/tags/v2.5a1
- refs/tags/v2.5a2
- refs/tags/v2.5b1
- refs/tags/v2.5b2
- refs/tags/v2.5b3
- refs/tags/v2.5c1
- refs/tags/v2.5c2
- refs/tags/v2.6
- refs/tags/v2.6.1
- refs/tags/v2.6.2
- refs/tags/v2.6.2c1
- refs/tags/v2.6.3
- refs/tags/v2.6.3rc1
- refs/tags/v2.6.4
- refs/tags/v2.6.4rc1
- refs/tags/v2.6.4rc2
- refs/tags/v2.6.5
- refs/tags/v2.6.5rc1
- refs/tags/v2.6.5rc2
- refs/tags/v2.6.6
- refs/tags/v2.6.6rc1
- refs/tags/v2.6.6rc2
- refs/tags/v2.6.7
- refs/tags/v2.6.8
- refs/tags/v2.6.8rc1
- refs/tags/v2.6.8rc2
- refs/tags/v2.6.9
- refs/tags/v2.6.9rc1
- refs/tags/v2.6a1
- refs/tags/v2.6a2
- refs/tags/v2.6a3
- refs/tags/v2.6b1
- refs/tags/v2.6b2
- refs/tags/v2.6b3
- refs/tags/v2.6rc1
- refs/tags/v2.6rc2
- refs/tags/v2.7
- refs/tags/v2.7.1
- refs/tags/v2.7.10
- refs/tags/v2.7.10rc1
- refs/tags/v2.7.11
- refs/tags/v2.7.11rc1
- refs/tags/v2.7.12
- refs/tags/v2.7.12rc1
- refs/tags/v2.7.13
- refs/tags/v2.7.13rc1
- refs/tags/v2.7.1rc1
- refs/tags/v2.7.2
- refs/tags/v2.7.2rc1
- refs/tags/v2.7.3
- refs/tags/v2.7.3rc1
- refs/tags/v2.7.3rc2
- refs/tags/v2.7.4
- refs/tags/v2.7.4rc1
- refs/tags/v2.7.5
- refs/tags/v2.7.6
- refs/tags/v2.7.6rc1
- refs/tags/v2.7.7
- refs/tags/v2.7.7rc1
- refs/tags/v2.7.8
- refs/tags/v2.7.9
- refs/tags/v2.7.9rc1
- refs/tags/v2.7a1
- refs/tags/v2.7a2
- refs/tags/v2.7a3
- refs/tags/v2.7a4
- refs/tags/v2.7b1
- refs/tags/v2.7b2
- refs/tags/v2.7rc1
- refs/tags/v2.7rc2
- refs/tags/v3.0
- refs/tags/v3.0.1
- refs/tags/v3.0a1
- refs/tags/v3.0a2
- refs/tags/v3.0a3
- refs/tags/v3.0a4
- refs/tags/v3.0a5
- refs/tags/v3.0b1
- refs/tags/v3.0b2
- refs/tags/v3.0b3
- refs/tags/v3.0rc1
- refs/tags/v3.0rc2
- refs/tags/v3.0rc3
- refs/tags/v3.1
- refs/tags/v3.1.1
- refs/tags/v3.1.1rc1
- refs/tags/v3.1.2
- refs/tags/v3.1.2rc1
- refs/tags/v3.1.3
- refs/tags/v3.1.3rc1
- refs/tags/v3.1.4
- refs/tags/v3.1.4rc1
- refs/tags/v3.1.5
- refs/tags/v3.1.5rc1
- refs/tags/v3.1.5rc2
- refs/tags/v3.1a1
- refs/tags/v3.1a2
- refs/tags/v3.1b1
- refs/tags/v3.1rc1
- refs/tags/v3.1rc2
- refs/tags/v3.2
- refs/tags/v3.2.1
- refs/tags/v3.2.1b1
- refs/tags/v3.2.1rc1
- refs/tags/v3.2.1rc2
- refs/tags/v3.2.2
- refs/tags/v3.2.2rc1
- refs/tags/v3.2.3
- refs/tags/v3.2.3rc1
- refs/tags/v3.2.3rc2
- refs/tags/v3.2.4
- refs/tags/v3.2.4rc1
- refs/tags/v3.2.5
- refs/tags/v3.2.6
- refs/tags/v3.2.6rc1
- refs/tags/v3.2a1
- refs/tags/v3.2a2
- refs/tags/v3.2a3
- refs/tags/v3.2a4
- refs/tags/v3.2b1
- refs/tags/v3.2b2
- refs/tags/v3.2rc1
- refs/tags/v3.2rc2
- refs/tags/v3.2rc3
- refs/tags/v3.3.0
- refs/tags/v3.3.0a1
- refs/tags/v3.3.0a2
- refs/tags/v3.3.0a3
- refs/tags/v3.3.0a4
- refs/tags/v3.3.0b1
- refs/tags/v3.3.0b2
- refs/tags/v3.3.0rc1
- refs/tags/v3.3.0rc2
- refs/tags/v3.3.0rc3
- refs/tags/v3.3.1
- refs/tags/v3.3.1rc1
- refs/tags/v3.3.2
- refs/tags/v3.3.3
- refs/tags/v3.3.3rc1
- refs/tags/v3.3.3rc2
- refs/tags/v3.3.4
- refs/tags/v3.3.4rc1
- refs/tags/v3.3.5
- refs/tags/v3.3.5rc1
- refs/tags/v3.3.5rc2
- refs/tags/v3.3.6
- refs/tags/v3.3.6rc1
- refs/tags/v3.4.0
- refs/tags/v3.4.0a1
- refs/tags/v3.4.0a2
- refs/tags/v3.4.0a3
- refs/tags/v3.4.0a4
- refs/tags/v3.4.0b1
- refs/tags/v3.4.0b2
- refs/tags/v3.4.0b3
- refs/tags/v3.4.0rc1
- refs/tags/v3.4.0rc2
- refs/tags/v3.4.0rc3
- refs/tags/v3.4.1
- refs/tags/v3.4.1rc1
- refs/tags/v3.4.2
- refs/tags/v3.4.2rc1
- refs/tags/v3.4.3
- refs/tags/v3.4.3rc1
- refs/tags/v3.4.4
- refs/tags/v3.4.4rc1
- refs/tags/v3.4.5
- refs/tags/v3.4.5rc1
- refs/tags/v3.4.6
- refs/tags/v3.4.6rc1
- refs/tags/v3.5.0
- refs/tags/v3.5.0a1
- refs/tags/v3.5.0a2
- refs/tags/v3.5.0a3
- refs/tags/v3.5.0a4
- refs/tags/v3.5.0b1
- refs/tags/v3.5.0b2
- refs/tags/v3.5.0b3
- refs/tags/v3.5.0b4
- refs/tags/v3.5.0rc1
- refs/tags/v3.5.0rc2
- refs/tags/v3.5.0rc3
- refs/tags/v3.5.0rc4
- refs/tags/v3.5.1
- refs/tags/v3.5.1rc1
- refs/tags/v3.5.2
- refs/tags/v3.5.2rc1
- refs/tags/v3.5.3
- refs/tags/v3.5.3rc1
- refs/tags/v3.6.0
- refs/tags/v3.6.0a1
- refs/tags/v3.6.0a2
- refs/tags/v3.6.0a3
- refs/tags/v3.6.0a4
- refs/tags/v3.6.0b1
- refs/tags/v3.6.0b2
- refs/tags/v3.6.0b3
- refs/tags/v3.6.0b4
- refs/tags/v3.6.0rc1
- refs/tags/v3.6.0rc2
- refs/tags/v3.9.0a1
- refs/tags/v3.9.0a6
- v3.9.1rc1
- v3.9.1
- v3.9.0rc2
- v3.9.0rc1
- v3.9.0b5
- v3.9.0b4
- v3.9.0b3
- v3.9.0b2
- v3.9.0b1
- v3.9.0a5
- v3.9.0a4
- v3.9.0a3
- v3.9.0a2
- v3.9.0
- v3.8.7rc1
- v3.8.6rc1
- v3.8.6
- v3.8.5
- v3.8.4rc1
- v3.8.4
- v3.8.3rc1
- v3.8.3
- v3.8.2rc2
- v3.8.2rc1
- v3.8.2
- v3.8.1rc1
- v3.8.1
- v3.8.0rc1
- v3.8.0b4
- v3.8.0b3
- v3.8.0b2
- v3.8.0b1
- v3.8.0a4
- v3.8.0a3
- v3.8.0a2
- v3.8.0a1
- v3.8.0
- v3.7.9
- v3.7.8rc1
- v3.7.8
- v3.7.7rc1
- v3.7.7
- v3.7.6rc1
- v3.7.6
- v3.7.5rc1
- v3.7.5
- v3.7.4rc2
- v3.7.4rc1
- v3.7.4
- v3.7.3rc1
- v3.7.3
- v3.7.2rc1
- v3.7.2
- v3.7.1rc2
- v3.7.1rc1
- v3.7.1
- v3.7.0rc1
- v3.7.0b5
- v3.7.0b4
- v3.7.0b3
- v3.7.0b2
- v3.7.0b1
- v3.7.0a4
- v3.7.0a3
- v3.7.0a2
- v3.7.0a1
- v3.7.0
- v3.6.9rc1
- v3.6.9
- v3.6.8rc1
- v3.6.8
- v3.6.7rc2
- v3.6.7rc1
- v3.6.7
- v3.6.6rc1
- v3.6.6
- v3.6.5rc1
- v3.6.5
- v3.6.4rc1
- v3.6.4
- v3.6.3rc1
- v3.6.3
- v3.6.2rc2
- v3.6.2rc1
- v3.6.2
- v3.6.1rc1
- v3.6.12
- v3.6.11rc1
- v3.6.11
- v3.6.10rc1
- v3.6.10
- v3.6.1
- v3.5.9
- v3.5.8rc2
- v3.5.8rc1
- v3.5.8
- v3.5.7rc1
- v3.5.7
- v3.5.6rc1
- v3.5.6
- v3.5.5rc1
- v3.5.5
- v3.5.4rc1
- v3.5.4
- v3.5.10rc1
- v3.5.10
- v3.4.9rc1
- v3.4.9
- v3.4.8rc1
- v3.4.8
- v3.4.7rc1
- v3.4.7
- v3.4.10rc1
- v3.4.10
- v3.3.7rc1
- v3.3.7
- v3.10.0a3
- v3.10.0a2
- v3.10.0a1
- v2.7.18rc1
- v2.7.18
- v2.7.17rc1
- v2.7.17
- v2.7.16rc1
- v2.7.16
- v2.7.15rc1
- v2.7.15
- v2.7.14rc1
- v2.7.14
- legacy-trunk
- 3.5
- 3.4
- 3.3
- 3.2
- 3.1
- 3.0
- 2.6
- 2.5
- 2.4
- 2.3
- 2.2
- 2.1
- 2.0
Raw File
Take a new snapshot of a software origin
If the archived software origin currently browsed is not synchronized with its upstream version (for instance when new commits have been issued), you can explicitly request Software Heritage to take a new snapshot of it.
Use the form below to proceed. Once a request has been submitted and accepted, it will be processed as soon as possible. You can then check its processing state by visiting this dedicated page.![swh spinner](/static/img/swh-spinner.gif)
Processing "take a new snapshot" request ...
Permalinks
To reference or cite the objects present in the Software Heritage archive, permalinks based on SoftWare Hash IDentifiers (SWHIDs) must be used.
Select below a type of object currently browsed in order to display its associated SWHID and permalink.
Tip revision: 46e39ff1f8dffaea8cf1e750cd7d170c2a49558b authored by Mariatta on 26 October 2020, 21:53:21 UTC
Let dependabot create PRs against the maintenance branches
Let dependabot create PRs against the maintenance branches
Tip revision: 46e39ff
grammar.rst
Full Grammar specification
==========================
This is the full Python grammar, derived directly from the grammar
used to generate the CPython parser (see :source:`Grammar/python.gram`).
The version here omits details related to code generation and
error recovery.
The notation is a mixture of `EBNF
<https://en.wikipedia.org/wiki/Extended_Backus%E2%80%93Naur_form>`_
and `PEG <https://en.wikipedia.org/wiki/Parsing_expression_grammar>`_.
In particular, ``&`` followed by a symbol, token or parenthesized
group indicates a positive lookahead (i.e., is required to match but
not consumed), while ``!`` indicates a negative lookahead (i.e., is
required _not_ to match). We use the ``|`` separator to mean PEG's
"ordered choice" (written as ``/`` in traditional PEG grammars).
.. literalinclude:: ../../Grammar/python.gram
:language: peg