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"'NrX.zFile z, does not exist in any of the search paths: ) r!r@r7isabsisfilerrgetcwd expand_pathr.abspathrs)rrr7testnamers r%filefindrTsB~~c""((--H w}}X27>>(#;#; Is # #!L -- 3;;9;;Drw||D(;;<< 7>>( # # -7??8,, , , , - X( W W) W WC #,,r'r$ctjdkr|dd}tjtj|}tjdkr|dd}|S)zExpand $VARS and ~names in a string, like a shell :Examples: In [2]: os.environ['FOO']='test' In [3]: expand_path('variable FOO is $FOO') Out[3]: 'variable FOO is test' ntz$\ IPYTHON_TEMP)r@namerr7 expandvars expanduser)r$s r%rrsj w$ IIe^ , , 27--a0011A w$ IIne , , Hr'rc|dd}t|dkrP|\}}t||g} t||}n%#t$r}t d|z|d}~wwxYw|St|dS)aImport and return ``bar`` given the string ``foo.bar``. Calling ``bar = import_item("foo.bar")`` is the functional equivalent of executing the code ``from foo import bar``. Parameters ---------- name : str The fully qualified name of the module/package being imported. 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