# fa19-516-162: Cloudmesh Common
# E.Cloudmesh.Common.4
# Develop a program that demonstrates the use of cloudmesh.common.Shell.
from cloudmesh.common.Shell import Shell
# Check python version installed
result = Shell.check_python()
print(result)
# Check if command "ping" exists
result = Shell.command_exists("ping")
print(result)
# Check location of git executable
result = Shell.which("git")
print(result)
# sp20-516-233 E.Cloudmesh.Common.4
# Develop a program that demonstrates the use of cloudmesh.common.Shell
from cloudmesh.common.Shell import Shell
if __name__ == "__main__":
# this is the command for getting the path but still gives errors
# result = Shell.execute('echo %cd%')
print("These commands are for Windows 10 EDU")
r1 = Shell.check_python()
print(r1)
r2 = Shell.pip()
print(r2)
r3 = Shell.ls()
print(r3)
# the following code gives UNDEFINED_TERMINAL_TYPE
r4 = Shell.terminal_type()
print(r4)
# the following code gives win32 but I'm on a 64 bit system
r5 = Shell.operating_system()
print(r5)
# commands below do not work
# result = Shell.execute('pwd')
# print(result)
# result = Shell.execute('ls', ["-l", "-a"])
# print(result)
# result = Shell.execute('ls', "-l -a")
# print(result)
# fa19-516-160
# E.Cloudmesh.Common.4
# Task : Develop a program that demonstrates the use of cloudmesh.common.Shell.
from cloudmesh.common.Shell import Shell
# Check Python Version
version = Shell.check_python()
print(version)
working_dir = Shell.execute('pwd')
print(working_dir)
#Code reference Introduction to python : Gregor von Laszewski.: section 6.5
def do_version(self, args, arguments):
"""
::
Usage:
version pip [PACKAGE]
version [--format=FORMAT] [--check=CHECK]
Options:
--format=FORMAT the format to print the versions in [default: table]
--check=CHECK boolean tp conduct an additional check [default: True]
Description:
version
Prints out the version number
version pip
Prints the contents of pip list
Limitations:
Package names must not have a . in them instead you need to use -
Thus to query for cloudmesh-cmd5 use
cms version pip cloudmesh-cmd5
"""
# print (arguments)
# print (">", args, "<")
if arguments["pip"]:
# noinspection PyBroadException
try:
package = arguments["PACKAGE"]
if package is None:
result = Shell.execute('pip', ['list', '--format=columns'],
traceflag=False,
witherror=False)
print(result)
else:
if "." in package:
package = package.replace(".", "-")
result = Shell.execute('pip', ['show', package],
traceflag=False,
witherror=False)
print(result)
except Exception as e:
result = 'N/A'
return ""
python_version, pip_version = Shell.get_python()
# noinspection PyBroadException
try:
git_hash_version = Shell.execute('git',
'log -1 --format=%h',
traceflag=False,
witherror=False)
except:
git_hash_version = 'N/A'
versions = {
"python": {
"name": "python",
"version": str(python_version)
},
"pip": {
"name": "pip",
"version": str(pip_version)
},
"git": {
"name": "git hash",
"version": str(git_hash_version)
}
}
# dynamically check all installed cloudmesh packages and versions
pipcheck = subprocess.Popen(('pip', 'freeze'), stdout=subprocess.PIPE)
try:
# python 3 returns byte sequence so the decode is necessary
output = subprocess.check_output(
('grep', "cloudmesh"), stdin=pipcheck.stdout).decode("utf-8")
pkglines = output.strip().split("\n")
for pkgline in pkglines:
if "==" in pkgline:
values = pkgline.split("==")
pkg = values[0]
version = values[1].strip()
if pkg != 'cloudmesh-installer':
pname = pkg.replace("cloudmesh-", "cloudmesh.")
i = importlib.import_module(pname)
location = i.__file__
try:
vlocation = path_expand(
os.path.join(os.path.dirname(location),
"__version__.py"))
v = readfile(vlocation).split('"')[1].strip()
except:
v = "not found"
versions[pkg] = {
"name": pkg,
"package": pname,
"version": version,
"source": location,
"VERSION": v
}
elif "git" in pkgline:
pkgline = pkgline.replace(
"-e [email protected]:cloudmesh-community/", "")
pkgline = pkgline.replace(
"-e git+https://github.com/cloudmesh/", "")
pkgline = pkgline.replace("egg=", "")
version, pkg = pkgline.split("#")
pname = pkg.replace("cloudmesh-", "cloudmesh.")
#
# The next line needed to be added as for some reason the is an _ here
#
pname = pkg.replace("cloudmesh_", "cloudmesh.")
i = importlib.import_module(pname)
location = i.__file__
try:
vlocation = path_expand(
os.path.join(os.path.dirname(location),
"__version__.py"))
v = readfile(vlocation).split('"')[1].strip()
except:
v = "not found"
versions[pkg] = {
"name": pkg,
"package": pname,
"version": version,
"source": location,
"VERSION": v
}
except subprocess.CalledProcessError as e:
pass
pipcheck.wait()
# installedpkgs = []
#
# for a preset set of named packages
'''
#pkgs = ['cloudmesh-common', 'cloudmesh-cmd5', 'cloudmesh.comet']
for package in pkgs:
# check version from pip
pipcheck = subprocess.Popen(('pip', 'freeze'), stdout=subprocess.PIPE)
try:
output = subprocess.check_output(('grep', package), stdin=pipcheck.stdout)
version = output.split("==")[1].strip()
versions[package] = {"name": package,
"version": version
}
except subprocess.CalledProcessError as e:
pass
pipcheck.wait()
'''
# __version__ not maintained in package file so this won't work
'''
try:
print ("trying package |%s|" % package)
try_module = __import__(package)
print ("added one package into the list...")
installedpkgs.append(package)
except ImportError as e:
print ("error importing |%s|" % package)
pass
#print (installedpkgs)
for package in installedpkgs:
versions[package] = {package: {"name": package,
"version": str(package.__version__)
}
}
print (versions)
'''
print(
Printer.write(
versions,
output=arguments["--format"],
order=["name", "package", "VERSION", "version", "source"],
sort_keys="name"))
if arguments["--check"] in ["True"]:
Shell.check_python()
def do_version(self, args, arguments):
"""
Usage:
version pip [PACKAGE]
version [--format=FORMAT] [--check=CHECK]
Options:
--format=FORMAT the format to print the versions in [default: table]
--check=CHECK boolean tp conduct an additional check [default: True]
Description:
version
Prints out the version number
version pip
Prints the contents of pip list
Limitations:
Package names must not have a . in them instead you need to use -
Thus to querry for cloudmesh.cmd5 use
cms version pip cloudmesh-cmd5
"""
#print (arguments)
if arguments["pip"]:
try:
package = arguments["PACKAGE"]
if package is None:
result = Shell.execute('pip', ['list', '--format=columns'], traceflag=False, witherror=False)
print (result)
else:
if "." in package:
package = package.replace(".", "-")
result = Shell.execute('pip', ['show', package], traceflag=False, witherror=False)
print(result)
except Exception as e:
result = 'N/A'
return ""
python_version, pip_version = Shell.get_python()
try:
git_hash_version = Shell.execute('git', 'log -1 --format=%h', traceflag=False, witherror=False)
except:
git_hash_version = 'N/A'
versions = {
# "cloudmesh_client": {
# "name": "cloudmesh_client",
# "version": str(cloudmesh_client.__version__)
# },
# "cloudmesh_base": {
# "name": "cloudmesh_base",
# "version": str(cloudmesh_base.__version__)
# },
"python": {
"name": "python",
"version": str(python_version)
},
"pip": {
"name": "pip",
"version": str(pip_version)
},
"git": {
"name": "git hash",
"version": str(git_hash_version)
}
}
print(Printer.write(versions, output=arguments["--format"],
order=["name", "version"]))
if arguments["--check"] in ["True"]:
Shell.check_python()
def do_version(self, args, arguments):
"""
Usage:
version pip [PACKAGE]
version [--format=FORMAT] [--check=CHECK]
Options:
--format=FORMAT the format to print the versions in [default: table]
--check=CHECK boolean tp conduct an additional check [default: True]
Description:
version
Prints out the version number
version pip
Prints the contents of pip list
Limitations:
Package names must not have a . in them instead you need to use -
Thus to query for cloudmesh.cmd5 use
cms version pip cloudmesh-cmd5
"""
# print (arguments)
if arguments["pip"]:
# noinspection PyBroadException
try:
package = arguments["PACKAGE"]
if package is None:
result = Shell.execute('pip', ['list', '--format=columns'],
traceflag=False,
witherror=False)
print(result)
else:
if "." in package:
package = package.replace(".", "-")
result = Shell.execute('pip', ['show', package],
traceflag=False,
witherror=False)
print(result)
except Exception as e:
result = 'N/A'
return ""
python_version, pip_version = Shell.get_python()
# noinspection PyBroadException
try:
git_hash_version = Shell.execute('git',
'log -1 --format=%h',
traceflag=False,
witherror=False)
except:
git_hash_version = 'N/A'
versions = {
# "cloudmesh_client": {
# "name": "cloudmesh_client",
# "version": str(cloudmesh_client.__version__)
# },
# "cloudmesh_base": {
# "name": "cloudmesh_base",
# "version": str(cloudmesh_base.__version__)
# },
"python": {
"name": "python",
"version": str(python_version)
},
"pip": {
"name": "pip",
"version": str(pip_version)
},
"git": {
"name": "git hash",
"version": str(git_hash_version)
}
}
# dynamically check all installed cloudmesh packages and versions
pipcheck = subprocess.Popen(('pip', 'freeze'), stdout=subprocess.PIPE)
try:
# python 3 returns byte sequence so the decode is necessary
output = subprocess.check_output(
('grep', "cloudmesh"), stdin=pipcheck.stdout).decode("utf-8")
pkglines = output.strip().split("\n")
for pkgline in pkglines:
values = pkgline.split("==")
pkg = values[0]
version = values[1].strip()
versions[pkg] = {"name": pkg, "version": version}
except subprocess.CalledProcessError as e:
pass
pipcheck.wait()
#installedpkgs = []
#
# for a preset set of named packages
'''
#pkgs = ['cloudmesh.common', 'cloudmesh.cmd5', 'cloudmesh.comet']
for package in pkgs:
# check version from pip
pipcheck = subprocess.Popen(('pip', 'freeze'), stdout=subprocess.PIPE)
try:
output = subprocess.check_output(('grep', package), stdin=pipcheck.stdout)
version = output.split("==")[1].strip()
versions[package] = {"name": package,
"version": version
}
except subprocess.CalledProcessError as e:
pass
pipcheck.wait()
'''
# __version__ not maintained in package file so this won't work
'''
try:
print ("trying package |%s|" % package)
try_module = __import__(package)
print ("added one package into the list...")
installedpkgs.append(package)
except ImportError as e:
print ("error importing |%s|" % package)
pass
#print (installedpkgs)
for package in installedpkgs:
versions[package] = {package: {"name": package,
"version": str(package.__version__)
}
}
print (versions)
'''
print(
Printer.write(versions,
output=arguments["--format"],
order=["name", "version"],
sort_keys="name"))
if arguments["--check"] in ["True"]:
Shell.check_python()
