8 examples of 'pip check version of module' in Python

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463@conf
464def check_python_module(conf, module_name, condition=''):
465 """
466 Check if the selected python interpreter can import the given python module::
467
468 def configure(conf):
469 conf.check_python_module('pygccxml')
470 conf.check_python_module('re', condition="ver > num(2, 0, 4) and ver <= num(3, 0, 0)")
471
472 :param module_name: module
473 :type module_name: string
474 """
475 msg = 'Python module %s' % module_name
476 if condition:
477 msg = '%s (%s)' % (msg, condition)
478 conf.start_msg(msg)
479 try:
480 ret = conf.cmd_and_log(conf.env['PYTHON'] + ['-c', PYTHON_MODULE_TEMPLATE % module_name])
481 except Exception:
482 conf.end_msg(False)
483 conf.fatal('Could not find the python module %r' % module_name)
484
485 ret = ret.strip()
486 if condition:
487 conf.end_msg(ret)
488 if ret == 'unknown version':
489 conf.fatal('Could not check the %s version' % module_name)
490
491 from distutils.version import LooseVersion
492 def num(*k):
493 if isinstance(k[0], int):
494 return LooseVersion('.'.join([str(x) for x in k]))
495 else:
496 return LooseVersion(k[0])
497 d = {'num': num, 'ver': LooseVersion(ret)}
498 ev = eval(condition, {}, d)
499 if not ev:
500 conf.fatal('The %s version does not satisfy the requirements' % module_name)
501 else:
502 if ret == 'unknown version':
503 conf.end_msg(True)
504 else:
505 conf.end_msg(ret)
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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")
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)
25def require_module(*modules):
26
27 commands = list(missing_requirements(*modules))
28
29 if commands:
30
31 print("Update in progress: pip install %s --user" % " ".join(commands))
32
33 if pip.running_under_virtualenv():
34 pip.main(["install"] + commands)
35 else:
36 pip.main(["install", "--user"] + commands)
62def _get_version(module: types.ModuleType) -> packaging.version.Version:
63 version = packaging.version.Version(getattr(module, "__version__", None))
64
65 if version is None:
66 raise ImportError("Can't determine version for {}".format(module.__name__))
67
68 return version
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]))
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
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

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