diff options
| -rw-r--r-- | Doc/lib/libsite.tex | 29 | ||||
| -rw-r--r-- | Doc/libsite.tex | 29 |
2 files changed, 40 insertions, 18 deletions
diff --git a/Doc/lib/libsite.tex b/Doc/lib/libsite.tex index 3dffd1c..f38214f 100644 --- a/Doc/lib/libsite.tex +++ b/Doc/lib/libsite.tex @@ -9,18 +9,29 @@ modules that needed to use site-specific modules would place \code{import site} somewhere near the top of their code. This is no longer necessary. -This will append up site-specific paths to to the module search path. -It starts with \code{sys.prefix} and \code{sys.exec_prefix} (if -different) and appends \file{lib/python\var{version}/packages}. The -resulting directory, if it exists, is added to \code{sys.path}, and -also inspected for path configuration files. A path configuration -file is a file whose name has the form \file{\var{package}.pth}; its -contents are additional directories (one per line) to be added to -\code{sys.path}. Non-existing directories (or non-directories) are -never added to \code{sys.path}; no directory is added to +This will append site-specific paths to to the module search path. + +It starts by constructing up to four directories from a head and a +tail part. For the head part, it uses \code{sys.prefix} and +\code{sys.exec_prefix}; empty heads are skipped. For +the tail part, it uses the empty string (on Mac or Windows) or it uses +first \file{lib/python\var{version}/packages} and then +\file{lib/site-python} (on Unix). For each of the distinct head-tail +combinations, it sees if it refers to an existing directory, and if +so, adds to \code{sys.path}, and also inspected for path configuration +files. +\indexii{site-python}{directory} +\indexii{packages}{directory} + +A path configuration file is a file whose name has the form +\file{\var{package}.pth}; its contents are additional items (one +per line) to be added to \code{sys.path}. Non-existing items are +never added to \code{sys.path}, but no check is made that the item +refers to a directory (rather than a file). No item is added to \code{sys.path} more than once. Blank lines and lines beginning with \code{\#} are skipped. \index{package} +\indexiii{path}{configuration}{file} \kwindex{sys.prefix} \kwindex{sys.exec_prefix} \kwindex{prefix} diff --git a/Doc/libsite.tex b/Doc/libsite.tex index 3dffd1c..f38214f 100644 --- a/Doc/libsite.tex +++ b/Doc/libsite.tex @@ -9,18 +9,29 @@ modules that needed to use site-specific modules would place \code{import site} somewhere near the top of their code. This is no longer necessary. -This will append up site-specific paths to to the module search path. -It starts with \code{sys.prefix} and \code{sys.exec_prefix} (if -different) and appends \file{lib/python\var{version}/packages}. The -resulting directory, if it exists, is added to \code{sys.path}, and -also inspected for path configuration files. A path configuration -file is a file whose name has the form \file{\var{package}.pth}; its -contents are additional directories (one per line) to be added to -\code{sys.path}. Non-existing directories (or non-directories) are -never added to \code{sys.path}; no directory is added to +This will append site-specific paths to to the module search path. + +It starts by constructing up to four directories from a head and a +tail part. For the head part, it uses \code{sys.prefix} and +\code{sys.exec_prefix}; empty heads are skipped. For +the tail part, it uses the empty string (on Mac or Windows) or it uses +first \file{lib/python\var{version}/packages} and then +\file{lib/site-python} (on Unix). For each of the distinct head-tail +combinations, it sees if it refers to an existing directory, and if +so, adds to \code{sys.path}, and also inspected for path configuration +files. +\indexii{site-python}{directory} +\indexii{packages}{directory} + +A path configuration file is a file whose name has the form +\file{\var{package}.pth}; its contents are additional items (one +per line) to be added to \code{sys.path}. Non-existing items are +never added to \code{sys.path}, but no check is made that the item +refers to a directory (rather than a file). No item is added to \code{sys.path} more than once. Blank lines and lines beginning with \code{\#} are skipped. \index{package} +\indexiii{path}{configuration}{file} \kwindex{sys.prefix} \kwindex{sys.exec_prefix} \kwindex{prefix} |