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Gaudi Framework, version v21r8 |
| Home | Generated: 17 Mar 2010 |
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Gaudi Framework, version v21r8 |
| Home | Generated: 17 Mar 2010 |
Public Member Functions | |
| def | __init__ |
| def | __setitem__ |
| def | __getitem__ |
| def | __delitem__ |
| def | keys |
| def | items |
| def | __contains__ |
| def | restore |
| def | __del__ |
| def | gen_script |
Public Attributes | |
| old_values | |
| env | |
Private Attributes | |
| _keep_same | |
Class to changes the environment temporarily.
Definition at line 48 of file GaudiTest.py.
| def GaudiTest::TemporaryEnvironment::__init__ | ( | self, | ||
orig = os.environ, |
||||
keep_same = False | ||||
| ) |
Create a temporary environment on top of the one specified (it can be another TemporaryEnvironment instance).
Definition at line 52 of file GaudiTest.py.
00052 : 00053 """ 00054 Create a temporary environment on top of the one specified 00055 (it can be another TemporaryEnvironment instance). 00056 """ 00057 #print "New environment" 00058 self.old_values = {} 00059 self.env = orig 00060 self._keep_same = keep_same 00061 def __setitem__(self,key,value):
| def GaudiTest::TemporaryEnvironment::__setitem__ | ( | self, | ||
| key, | ||||
| value | ||||
| ) |
Set an environment variable recording the previous value.
Definition at line 62 of file GaudiTest.py.
00062 : 00063 """ 00064 Set an environment variable recording the previous value. 00065 """ 00066 if key not in self.old_values : 00067 if key in self.env : 00068 if not self._keep_same or self.env[key] != value: 00069 self.old_values[key] = self.env[key] 00070 else: 00071 self.old_values[key] = None 00072 self.env[key] = value 00073 def __getitem__(self,key):
| def GaudiTest::TemporaryEnvironment::__getitem__ | ( | self, | ||
| key | ||||
| ) |
Get an environment variable. Needed to provide the same interface as os.environ.
Definition at line 74 of file GaudiTest.py.
00074 : 00075 """ 00076 Get an environment variable. 00077 Needed to provide the same interface as os.environ. 00078 """ 00079 return self.env[key] 00080 def __delitem__(self,key):
| def GaudiTest::TemporaryEnvironment::__delitem__ | ( | self, | ||
| key | ||||
| ) |
Unset an environment variable. Needed to provide the same interface as os.environ.
Definition at line 81 of file GaudiTest.py.
00081 : 00082 """ 00083 Unset an environment variable. 00084 Needed to provide the same interface as os.environ. 00085 """ 00086 if key not in self.env : 00087 raise KeyError(key) 00088 self.old_values[key] = self.env[key] 00089 del self.env[key] 00090 def keys(self):
| def GaudiTest::TemporaryEnvironment::keys | ( | self | ) |
Return the list of defined environment variables. Needed to provide the same interface as os.environ.
Definition at line 91 of file GaudiTest.py.
00091 : 00092 """ 00093 Return the list of defined environment variables. 00094 Needed to provide the same interface as os.environ. 00095 """ 00096 return self.env.keys() 00097 def items(self):
| def GaudiTest::TemporaryEnvironment::items | ( | self | ) |
Return the list of (name,value) pairs for the defined environment variables. Needed to provide the same interface as os.environ.
Definition at line 98 of file GaudiTest.py.
00098 : 00099 """ 00100 Return the list of (name,value) pairs for the defined environment variables. 00101 Needed to provide the same interface as os.environ. 00102 """ 00103 return self.env.items() 00104 def __contains__(self,key):
| def GaudiTest::TemporaryEnvironment::__contains__ | ( | self, | ||
| key | ||||
| ) |
Operator 'in'. Needed to provide the same interface as os.environ.
Definition at line 105 of file GaudiTest.py.
00105 : 00106 """ 00107 Operator 'in'. 00108 Needed to provide the same interface as os.environ. 00109 """ 00110 return key in self.env 00111 def restore(self):
| def GaudiTest::TemporaryEnvironment::restore | ( | self | ) |
Revert all the changes done to the orignal environment.
Definition at line 112 of file GaudiTest.py.
00112 : 00113 """ 00114 Revert all the changes done to the orignal environment. 00115 """ 00116 for key,value in self.old_values.items(): 00117 if value is None: 00118 del self.env[key] 00119 else: 00120 self.env[key] = value 00121 self.old_values = {} 00122 def __del__(self):
| def GaudiTest::TemporaryEnvironment::__del__ | ( | self | ) |
Revert the changes on destruction.
Definition at line 123 of file GaudiTest.py.
00123 : 00124 """ 00125 Revert the changes on destruction. 00126 """ 00127 #print "Restoring the environment" 00128 self.restore() 00129 def gen_script(self,shell_type):
| def GaudiTest::TemporaryEnvironment::gen_script | ( | self, | ||
| shell_type | ||||
| ) |
Generate a shell script to reproduce the changes in the environment.
Definition at line 130 of file GaudiTest.py.
00130 : 00131 """ 00132 Generate a shell script to reproduce the changes in the environment. 00133 """ 00134 shells = [ 'csh', 'sh', 'bat' ] 00135 if shell_type not in shells: 00136 raise RuntimeError("Shell type '%s' unknown. Available: %s"%(shell_type,shells)) 00137 out = "" 00138 for key,value in self.old_values.items(): 00139 if key not in self.env: 00140 # unset variable 00141 if shell_type == 'csh': 00142 out += 'unsetenv %s\n'%key 00143 elif shell_type == 'sh': 00144 out += 'unset %s\n'%key 00145 elif shell_type == 'bat': 00146 out += 'set %s=\n'%key 00147 else: 00148 # set variable 00149 if shell_type == 'csh': 00150 out += 'setenv %s "%s"\n'%(key,self.env[key]) 00151 elif shell_type == 'sh': 00152 out += 'export %s="%s"\n'%(key,self.env[key]) 00153 elif shell_type == 'bat': 00154 out += 'set %s=%s\n'%(key,self.env[key]) 00155 return out 00156 class TempDir:
Definition at line 58 of file GaudiTest.py.
Definition at line 59 of file GaudiTest.py.
Definition at line 60 of file GaudiTest.py.