doc: use regex to parse Zephyr version
Simplify the logic of version extraction by using regexes.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
diff --git a/doc/conf.py b/doc/conf.py
index 8e1442d..e7ece3a 100644
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -3,6 +3,7 @@
import sys
import os
+import re
from sphinx.highlighting import lexers
import sphinx_rtd_theme
@@ -42,35 +43,28 @@
copyright = '2015-2021 Zephyr Project members and individual contributors'
author = 'The Zephyr Project'
-# The following code tries to extract the information by reading the Makefile,
-# when Sphinx is run directly (e.g. by Read the Docs).
-try:
- version_major = None
- version_minor = None
- patchlevel = None
- extraversion = None
- for line in open(os.path.join(ZEPHYR_BASE, 'VERSION')):
- key, val = [x.strip() for x in line.split('=', 2)]
- if key == 'VERSION_MAJOR':
- version_major = val
- if key == 'VERSION_MINOR':
- version_minor = val
- elif key == 'PATCHLEVEL':
- patchlevel = val
- elif key == 'EXTRAVERSION':
- extraversion = val
- if version_major and version_minor and patchlevel and extraversion:
- break
-except Exception:
- pass
-finally:
- if version_major and version_minor and patchlevel and extraversion is not None:
- version = release = version_major + '.' + version_minor + '.' + patchlevel
- if extraversion != '':
- version = release = version + '-' + extraversion
- else:
+# parse version from 'VERSION' file
+with open(os.path.join(ZEPHYR_BASE, 'VERSION')) as f:
+ m = re.match(
+ (
+ r"^VERSION_MAJOR\s*=\s*(\d+)$\n"
+ + r"^VERSION_MINOR\s*=\s*(\d+)$\n"
+ + r"^PATCHLEVEL\s*=\s*(\d+)$\n"
+ + r"^VERSION_TWEAK\s*=\s*\d+$\n"
+ + r"^EXTRAVERSION\s*=\s*(.*)$"
+ ),
+ f.read(),
+ re.MULTILINE,
+ )
+
+ if not m:
sys.stderr.write('Warning: Could not extract kernel version\n')
- version = release = "unknown version"
+ version = "Unknown"
+ else:
+ major, minor, patch, extra = m.groups(1)
+ version = ".".join((major, minor, patch))
+ if extra:
+ version += "-" + extra
# -- General configuration ------------------------------------------------
