10 examples of 'check python version' in Python

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18def check_python(version):
19 required_version = tuple(int(i) for i in version.split('.'))
20 actual_version = sys.version_info[:2]
21
22 assert actual_version >= required_version, (
23 'Must use at least Python %s but have version %d.%d' %
24 (version, actual_version[0], actual_version[1]))
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282def check_python_version():
283 if sys.version_info < (3, 5):
284 stderr.write("DistAlgo requires Python version 3.5 or newer.\n")
285 return False
286 else:
287 return True
32def python_version() -> None:
33 """
34 Check that the Python version is supported
35 """
36 py_version = sys.version.split()[0]
37 if py_version < "3.5":
38 print(error_message(), "Unsupported Python version")
39 sys.exit(1)
43def check_pyinstaller_version():
44 """Using is_module_satisfies() for pyinstaller fails when
45 installed using 'pip install develop.zip' command
46 (PyInstaller Issue #2802)."""
47 # Example version string for dev version of pyinstaller:
48 # > 3.3.dev0+g5dc9557c
49 version = PyInstaller.__version__
50 match = re.search(r"^\d+\.\d+(\.\d+)?", version)
51 if not (match.group(0) >= PYINSTALLER_MIN_VERSION):
52 raise SystemExit("Error: pyinstaller %s or higher is required" % PYINSTALLER_MIN_VERSION)
16@staticmethod
17def python_is_version(version=None):
18 if re.search('^'+str(version)+'\.\d+\.\d+', str(Version.python()), re.M | re.I) is None:
19 return False
20 return True
146@staticmethod
147def python_version():
148 """
149 :return: python version object
150 """
151 import sys
152 # version.major, version.minor, version.micro
153 return sys.version_info
17def check_py():
18
19 if os_system() == "Windows":
20 try:
21 py_ver = subprocess.check_output(
22 "py -3 -V").decode('UTF-8').splitlines()[0]
23 print("Script has detected " + py_ver +
24 " version present on the machine.")
25 except:
26 print("Script could not detect Python 3 on the machine.\n"
27 "Go to https://www.python.org/downloads/ page and download latest Python 3 version.")
28 else:
29 try:
30 py_ver = subprocess.check_output(["python3", "-V"]).decode('UTF-8').splitlines()[0]
31 print("Script detected " + py_ver +
32 " version present on the machine.")
33 except:
34 print("Script could not detect Python 3 on the machine.\n"
35 "Go to https://www.python.org/downloads/ page and download latest Python 3 version.")
53def CheckVersion(given, required, name):
54 """ For a given set of versions str *required* and str *given*,
55 where version are usually separated by dots, print whether for
56 the module str *name* the required verion is met or not.
57 """
58 try:
59 req = LooseVersion(required)
60 giv = LooseVersion(given)
61 except:
62 print(" WARNING: Could not verify version of "+name+".")
63 return
64 if req > giv:
65 print(" WARNING: You are using "+name+" v. "+given+\
66 " | Required: "+name+" "+ required)
67 else:
68 print(" OK: "+name+" v. "+given+" | "+required+" required")
140def checkPythonVersion(minVersion, minHexVersion):
141 """Function to check that the Python version number is greater
142 than the minimum required.
143
144 Arguments:
145 minVersion - String representation of minimum version required
146 minHexVersion - Hexadecimal representation of minimum version required
147
148 Return value: True if Python version number is greater than minimum,
149 False otherwise"""
150
151 import sys
152
153 status = True
154
155 if sys.hexversion < minHexVersion:
156 from GangaCore.Utility.logging import getLogger
157 logger = getLogger(modulename=True)
158 logger.error("Ganga requires Python version %s or greater" %
159 str(minVersion))
160 logger.error("Currently using Python %s" % sys.version.split()[0])
161 status = False
162
163 return status
37def check_cython_version(self, version=None, minver=None, maxver=None):
38 log_s = []
39 if version:
40 log_s.append("version=%r"%version)
41 minver=version
42 maxver=version
43 else:
44 if minver:
45 log_s.append("minver=%r"%minver)
46 if maxver:
47 log_s.append("maxver=%r"%maxver)
48 if isinstance(minver, str):
49 minver = minver.split('.')
50 if isinstance(maxver, str):
51 maxver = maxver.split('.')
52 if minver:
53 minver = tuple(map(int, minver))
54 if maxver:
55 maxver = tuple(map(int, maxver))
56
57 # Trick to be compatible python 2.x and 3.x
58 try:
59 u = unicode
60 except NameError:
61 u = str
62
63 cmd = [self.env.CYTHON[0], '--version']
64 o = u(check_output(cmd, stderr=STDOUT), 'UTF-8').strip()
65 m = cython_ver_re.match(o)
66 self.start_msg('Checking for cython version')
67 if not m:
68 self.end_msg('Not found', 'YELLOW')
69 self.fatal("No version found")
70 else:
71 v = m.group(1)
72 ver = tuple(map(int, v.split('.')))
73 check = (not minver or minver <= ver) and (not maxver or maxver >= ver)
74 self.to_log(' cython %s\n -> %r\n' % (" ".join(log_s), v))
75 if check:
76 self.end_msg(v)
77 self.env.CYTHON_VERSION = ver
78 else:
79 self.end_msg('wrong version %s' % v, 'YELLOW')
80 self.fatal("Bad cython version (%s)"%v)
81 return True

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