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-rw-r--r--lib/python2.7/linecache.py135
1 files changed, 0 insertions, 135 deletions
diff --git a/lib/python2.7/linecache.py b/lib/python2.7/linecache.py
deleted file mode 100644
index 811f27f..0000000
--- a/lib/python2.7/linecache.py
+++ /dev/null
@@ -1,135 +0,0 @@
-"""Cache lines from files.
-
-This is intended to read lines from modules imported -- hence if a filename
-is not found, it will look down the module search path for a file by
-that name.
-"""
-
-import sys
-import os
-
-__all__ = ["getline", "clearcache", "checkcache"]
-
-def getline(filename, lineno, module_globals=None):
- lines = getlines(filename, module_globals)
- if 1 <= lineno <= len(lines):
- return lines[lineno-1]
- else:
- return ''
-
-
-# The cache
-
-cache = {} # The cache
-
-
-def clearcache():
- """Clear the cache entirely."""
-
- global cache
- cache = {}
-
-
-def getlines(filename, module_globals=None):
- """Get the lines for a file from the cache.
- Update the cache if it doesn't contain an entry for this file already."""
-
- if filename in cache:
- return cache[filename][2]
- else:
- return updatecache(filename, module_globals)
-
-
-def checkcache(filename=None):
- """Discard cache entries that are out of date.
- (This is not checked upon each call!)"""
-
- if filename is None:
- filenames = cache.keys()
- else:
- if filename in cache:
- filenames = [filename]
- else:
- return
-
- for filename in filenames:
- size, mtime, lines, fullname = cache[filename]
- if mtime is None:
- continue # no-op for files loaded via a __loader__
- try:
- stat = os.stat(fullname)
- except os.error:
- del cache[filename]
- continue
- if size != stat.st_size or mtime != stat.st_mtime:
- del cache[filename]
-
-
-def updatecache(filename, module_globals=None):
- """Update a cache entry and return its list of lines.
- If something's wrong, print a message, discard the cache entry,
- and return an empty list."""
-
- if filename in cache:
- del cache[filename]
- if not filename or (filename.startswith('<') and filename.endswith('>')):
- return []
-
- fullname = filename
- try:
- stat = os.stat(fullname)
- except OSError:
- basename = filename
-
- # Try for a __loader__, if available
- if module_globals and '__loader__' in module_globals:
- name = module_globals.get('__name__')
- loader = module_globals['__loader__']
- get_source = getattr(loader, 'get_source', None)
-
- if name and get_source:
- try:
- data = get_source(name)
- except (ImportError, IOError):
- pass
- else:
- if data is None:
- # No luck, the PEP302 loader cannot find the source
- # for this module.
- return []
- cache[filename] = (
- len(data), None,
- [line+'\n' for line in data.splitlines()], fullname
- )
- return cache[filename][2]
-
- # Try looking through the module search path, which is only useful
- # when handling a relative filename.
- if os.path.isabs(filename):
- return []
-
- for dirname in sys.path:
- # When using imputil, sys.path may contain things other than
- # strings; ignore them when it happens.
- try:
- fullname = os.path.join(dirname, basename)
- except (TypeError, AttributeError):
- # Not sufficiently string-like to do anything useful with.
- continue
- try:
- stat = os.stat(fullname)
- break
- except os.error:
- pass
- else:
- return []
- try:
- with open(fullname, 'rU') as fp:
- lines = fp.readlines()
- except IOError:
- return []
- if lines and not lines[-1].endswith('\n'):
- lines[-1] += '\n'
- size, mtime = stat.st_size, stat.st_mtime
- cache[filename] = size, mtime, lines, fullname
- return lines