|
Gaudi Framework, version v21r7 |
| Home | Generated: 22 Jan 2010 |
|
|
Gaudi Framework, version v21r7 |
| Home | Generated: 22 Jan 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 47 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 51 of file GaudiTest.py.
00051 : 00052 """ 00053 Create a temporary environment on top of the one specified 00054 (it can be another TemporaryEnvironment instance). 00055 """ 00056 #print "New environment" 00057 self.old_values = {} 00058 self.env = orig 00059 self._keep_same = keep_same 00060 def __setitem__(self,key,value):
| def GaudiTest::TemporaryEnvironment::__setitem__ | ( | self, | ||
| key, | ||||
| value | ||||
| ) |
Set an environment variable recording the previous value.
Definition at line 61 of file GaudiTest.py.
00061 : 00062 """ 00063 Set an environment variable recording the previous value. 00064 """ 00065 if key not in self.old_values : 00066 if key in self.env : 00067 if not self._keep_same or self.env[key] != value: 00068 self.old_values[key] = self.env[key] 00069 else: 00070 self.old_values[key] = None 00071 self.env[key] = value 00072 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 73 of file GaudiTest.py.
00073 : 00074 """ 00075 Get an environment variable. 00076 Needed to provide the same interface as os.environ. 00077 """ 00078 return self.env[key] 00079 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 80 of file GaudiTest.py.
00080 : 00081 """ 00082 Unset an environment variable. 00083 Needed to provide the same interface as os.environ. 00084 """ 00085 if key not in self.env : 00086 raise KeyError(key) 00087 self.old_values[key] = self.env[key] 00088 del self.env[key] 00089 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 90 of file GaudiTest.py.
00090 : 00091 """ 00092 Return the list of defined environment variables. 00093 Needed to provide the same interface as os.environ. 00094 """ 00095 return self.env.keys() 00096 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 97 of file GaudiTest.py.
00097 : 00098 """ 00099 Return the list of (name,value) pairs for the defined environment variables. 00100 Needed to provide the same interface as os.environ. 00101 """ 00102 return self.env.items() 00103 def __contains__(self,key):
| def GaudiTest::TemporaryEnvironment::__contains__ | ( | self, | ||
| key | ||||
| ) |
Operator 'in'. Needed to provide the same interface as os.environ.
Definition at line 104 of file GaudiTest.py.
00104 : 00105 """ 00106 Operator 'in'. 00107 Needed to provide the same interface as os.environ. 00108 """ 00109 return key in self.env 00110 def restore(self):
| def GaudiTest::TemporaryEnvironment::restore | ( | self | ) |
Revert all the changes done to the orignal environment.
Definition at line 111 of file GaudiTest.py.
00111 : 00112 """ 00113 Revert all the changes done to the orignal environment. 00114 """ 00115 for key,value in self.old_values.items(): 00116 if value is None: 00117 del self.env[key] 00118 else: 00119 self.env[key] = value 00120 self.old_values = {} 00121 def __del__(self):
| def GaudiTest::TemporaryEnvironment::__del__ | ( | self | ) |
Revert the changes on destruction.
Definition at line 122 of file GaudiTest.py.
00122 : 00123 """ 00124 Revert the changes on destruction. 00125 """ 00126 #print "Restoring the environment" 00127 self.restore() 00128 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 129 of file GaudiTest.py.
00129 : 00130 """ 00131 Generate a shell script to reproduce the changes in the environment. 00132 """ 00133 shells = [ 'csh', 'sh', 'bat' ] 00134 if shell_type not in shells: 00135 raise RuntimeError("Shell type '%s' unknown. Available: %s"%(shell_type,shells)) 00136 out = "" 00137 for key,value in self.old_values.items(): 00138 if key not in self.env: 00139 # unset variable 00140 if shell_type == 'csh': 00141 out += 'unsetenv %s\n'%key 00142 elif shell_type == 'sh': 00143 out += 'unset %s\n'%key 00144 elif shell_type == 'bat': 00145 out += 'set %s=\n'%key 00146 else: 00147 # set variable 00148 if shell_type == 'csh': 00149 out += 'setenv %s "%s"\n'%(key,self.env[key]) 00150 elif shell_type == 'sh': 00151 out += 'export %s="%s"\n'%(key,self.env[key]) 00152 elif shell_type == 'bat': 00153 out += 'set %s=%s\n'%(key,self.env[key]) 00154 return out 00155 class TempDir:
Definition at line 57 of file GaudiTest.py.
Definition at line 58 of file GaudiTest.py.
Definition at line 59 of file GaudiTest.py.