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Gaudi Framework, version v21r11 |
| Home | Generated: 30 Sep 2010 |
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Gaudi Framework, version v21r11 |
| Home | Generated: 30 Sep 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 46 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 50 of file GaudiTest.py.
00050 : 00051 """ 00052 Create a temporary environment on top of the one specified 00053 (it can be another TemporaryEnvironment instance). 00054 """ 00055 #print "New environment" 00056 self.old_values = {} 00057 self.env = orig 00058 self._keep_same = keep_same 00059 def __setitem__(self,key,value):
| def GaudiTest::TemporaryEnvironment::__setitem__ | ( | self, | ||
| key, | ||||
| value | ||||
| ) |
Set an environment variable recording the previous value.
Definition at line 60 of file GaudiTest.py.
00060 : 00061 """ 00062 Set an environment variable recording the previous value. 00063 """ 00064 if key not in self.old_values : 00065 if key in self.env : 00066 if not self._keep_same or self.env[key] != value: 00067 self.old_values[key] = self.env[key] 00068 else: 00069 self.old_values[key] = None 00070 self.env[key] = value 00071 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 72 of file GaudiTest.py.
00072 : 00073 """ 00074 Get an environment variable. 00075 Needed to provide the same interface as os.environ. 00076 """ 00077 return self.env[key] 00078 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 79 of file GaudiTest.py.
00079 : 00080 """ 00081 Unset an environment variable. 00082 Needed to provide the same interface as os.environ. 00083 """ 00084 if key not in self.env : 00085 raise KeyError(key) 00086 self.old_values[key] = self.env[key] 00087 del self.env[key] 00088 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 89 of file GaudiTest.py.
00089 : 00090 """ 00091 Return the list of defined environment variables. 00092 Needed to provide the same interface as os.environ. 00093 """ 00094 return self.env.keys() 00095 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 96 of file GaudiTest.py.
00096 : 00097 """ 00098 Return the list of (name,value) pairs for the defined environment variables. 00099 Needed to provide the same interface as os.environ. 00100 """ 00101 return self.env.items() 00102 def __contains__(self,key):
| def GaudiTest::TemporaryEnvironment::__contains__ | ( | self, | ||
| key | ||||
| ) |
Operator 'in'. Needed to provide the same interface as os.environ.
Definition at line 103 of file GaudiTest.py.
00103 : 00104 """ 00105 Operator 'in'. 00106 Needed to provide the same interface as os.environ. 00107 """ 00108 return key in self.env 00109 def restore(self):
| def GaudiTest::TemporaryEnvironment::restore | ( | self | ) |
Revert all the changes done to the orignal environment.
Definition at line 110 of file GaudiTest.py.
00110 : 00111 """ 00112 Revert all the changes done to the orignal environment. 00113 """ 00114 for key,value in self.old_values.items(): 00115 if value is None: 00116 del self.env[key] 00117 else: 00118 self.env[key] = value 00119 self.old_values = {} 00120 def __del__(self):
| def GaudiTest::TemporaryEnvironment::__del__ | ( | self | ) |
Revert the changes on destruction.
Definition at line 121 of file GaudiTest.py.
00121 : 00122 """ 00123 Revert the changes on destruction. 00124 """ 00125 #print "Restoring the environment" 00126 self.restore() 00127 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 128 of file GaudiTest.py.
00128 : 00129 """ 00130 Generate a shell script to reproduce the changes in the environment. 00131 """ 00132 shells = [ 'csh', 'sh', 'bat' ] 00133 if shell_type not in shells: 00134 raise RuntimeError("Shell type '%s' unknown. Available: %s"%(shell_type,shells)) 00135 out = "" 00136 for key,value in self.old_values.items(): 00137 if key not in self.env: 00138 # unset variable 00139 if shell_type == 'csh': 00140 out += 'unsetenv %s\n'%key 00141 elif shell_type == 'sh': 00142 out += 'unset %s\n'%key 00143 elif shell_type == 'bat': 00144 out += 'set %s=\n'%key 00145 else: 00146 # set variable 00147 if shell_type == 'csh': 00148 out += 'setenv %s "%s"\n'%(key,self.env[key]) 00149 elif shell_type == 'sh': 00150 out += 'export %s="%s"\n'%(key,self.env[key]) 00151 elif shell_type == 'bat': 00152 out += 'set %s=%s\n'%(key,self.env[key]) 00153 return out 00154 class TempDir:
Definition at line 56 of file GaudiTest.py.
Definition at line 57 of file GaudiTest.py.
Definition at line 58 of file GaudiTest.py.