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-rw-r--r--src/engine/SCons/Node/FS.py146
1 files changed, 91 insertions, 55 deletions
diff --git a/src/engine/SCons/Node/FS.py b/src/engine/SCons/Node/FS.py
index 6319ace..21ccecc 100644
--- a/src/engine/SCons/Node/FS.py
+++ b/src/engine/SCons/Node/FS.py
@@ -33,7 +33,7 @@ that can be used by scripts or modules looking for the canonical default.
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
from __future__ import print_function
-__revision__ = "src/engine/SCons/Node/FS.py 103260fce95bf5db1c35fb2371983087d85dd611 2019-07-13 18:25:30 bdbaddog"
+__revision__ = "src/engine/SCons/Node/FS.py e724ae812eb96f4858a132f5b8c769724744faf6 2019-07-21 00:04:47 bdeegan"
import fnmatch
import os
@@ -57,7 +57,6 @@ import SCons.Util
import SCons.Warnings
from SCons.Debug import Trace
-from . import DeciderNeedsNode
print_duplicate = 0
@@ -282,7 +281,7 @@ def set_duplicate(duplicate):
'copy' : _copy_func
}
- if not duplicate in Valid_Duplicates:
+ if duplicate not in Valid_Duplicates:
raise SCons.Errors.InternalError("The argument of set_duplicate "
"should be in Valid_Duplicates")
global Link_Funcs
@@ -480,7 +479,7 @@ class EntryProxy(SCons.Util.Proxy):
return SCons.Subst.SpecialAttrWrapper(r, entry.name + "_posix")
def __get_windows_path(self):
- """Return the path with \ as the path separator,
+ r"""Return the path with \ as the path separator,
regardless of platform."""
if OS_SEP == '\\':
return self
@@ -531,7 +530,7 @@ class EntryProxy(SCons.Util.Proxy):
except KeyError:
try:
attr = SCons.Util.Proxy.__getattr__(self, name)
- except AttributeError as e:
+ except AttributeError:
# Raise our own AttributeError subclass with an
# overridden __str__() method that identifies the
# name of the entry that caused the exception.
@@ -699,13 +698,13 @@ class Base(SCons.Node.Node):
@SCons.Memoize.CountMethodCall
def stat(self):
- try:
+ try:
return self._memo['stat']
- except KeyError:
+ except KeyError:
pass
- try:
+ try:
result = self.fs.stat(self.get_abspath())
- except os.error:
+ except os.error:
result = None
self._memo['stat'] = result
@@ -719,16 +718,16 @@ class Base(SCons.Node.Node):
def getmtime(self):
st = self.stat()
- if st:
+ if st:
return st[stat.ST_MTIME]
- else:
+ else:
return None
def getsize(self):
st = self.stat()
- if st:
+ if st:
return st[stat.ST_SIZE]
- else:
+ else:
return None
def isdir(self):
@@ -1418,7 +1417,7 @@ class FS(LocalFS):
self.Top.addRepository(d)
def PyPackageDir(self, modulename):
- """Locate the directory of a given python module name
+ r"""Locate the directory of a given python module name
For example scons might resolve to
Windows: C:\Python27\Lib\site-packages\scons-2.5.1
@@ -1689,7 +1688,7 @@ class Dir(Base):
return result
def addRepository(self, dir):
- if dir != self and not dir in self.repositories:
+ if dir != self and dir not in self.repositories:
self.repositories.append(dir)
dir._tpath = '.'
self.__clearRepositoryCache()
@@ -1729,7 +1728,7 @@ class Dir(Base):
if self is other:
result = '.'
- elif not other in self._path_elements:
+ elif other not in self._path_elements:
try:
other_dir = other.get_dir()
except AttributeError:
@@ -2261,7 +2260,7 @@ class RootDir(Dir):
this directory.
"""
- __slots__ = ['_lookupDict']
+ __slots__ = ('_lookupDict', )
def __init__(self, drive, fs):
if SCons.Debug.track_instances: logInstanceCreation(self, 'Node.FS.RootDir')
@@ -2467,7 +2466,7 @@ class FileNodeInfo(SCons.Node.NodeInfoBase):
"""
state = getattr(self, '__dict__', {}).copy()
for obj in type(self).mro():
- for name in getattr(obj,'__slots__',()):
+ for name in getattr(obj, '__slots__', ()):
if hasattr(self, name):
state[name] = getattr(self, name)
@@ -2511,7 +2510,7 @@ class FileBuildInfo(SCons.Node.BuildInfoBase):
or count of any of these could yield writing wrong csig, and then false positive
rebuilds
"""
- __slots__ = ('dependency_map')
+ __slots__ = ['dependency_map', ]
current_version_id = 2
def __setattr__(self, key, value):
@@ -3283,14 +3282,14 @@ class File(Base):
self._memo['changed'] = has_changed
return has_changed
- def changed_content(self, target, prev_ni):
+ def changed_content(self, target, prev_ni, repo_node=None):
cur_csig = self.get_csig()
try:
return cur_csig != prev_ni.csig
except AttributeError:
return 1
- def changed_state(self, target, prev_ni):
+ def changed_state(self, target, prev_ni, repo_node=None):
return self.state != SCons.Node.up_to_date
@@ -3317,13 +3316,26 @@ class File(Base):
len(binfo.bimplicitsigs)) == 0:
return {}
-
- # store this info so we can avoid regenerating it.
- binfo.dependency_map = { str(child):signature for child, signature in zip(chain(binfo.bsources, binfo.bdepends, binfo.bimplicit),
+ binfo.dependency_map = { child:signature for child, signature in zip(chain(binfo.bsources, binfo.bdepends, binfo.bimplicit),
chain(binfo.bsourcesigs, binfo.bdependsigs, binfo.bimplicitsigs))}
return binfo.dependency_map
+ # @profile
+ def _add_strings_to_dependency_map(self, dmap):
+ """
+ In the case comparing node objects isn't sufficient, we'll add the strings for the nodes to the dependency map
+ :return:
+ """
+
+ first_string = str(next(iter(dmap)))
+
+ # print("DMAP:%s"%id(dmap))
+ if first_string not in dmap:
+ string_dict = {str(child): signature for child, signature in dmap.items()}
+ dmap.update(string_dict)
+ return dmap
+
def _get_previous_signatures(self, dmap):
"""
Return a list of corresponding csigs from previous
@@ -3342,37 +3354,62 @@ class File(Base):
if len(dmap) == 0:
if MD5_TIMESTAMP_DEBUG: print("Nothing dmap shortcutting")
return None
+ elif MD5_TIMESTAMP_DEBUG: print("len(dmap):%d"%len(dmap))
+
- if MD5_TIMESTAMP_DEBUG: print("len(dmap):%d"%len(dmap))
- # First try the simple name for node
- c_str = str(self)
- if MD5_TIMESTAMP_DEBUG: print("Checking :%s"%c_str)
- df = dmap.get(c_str, None)
+ # First try retrieving via Node
+ if MD5_TIMESTAMP_DEBUG: print("Checking if self is in map:%s id:%s type:%s"%(str(self), id(self), type(self)))
+ df = dmap.get(self, False)
if df:
return df
-
+
+ # Now check if self's repository file is in map.
+ rf = self.rfile()
+ if MD5_TIMESTAMP_DEBUG: print("Checking if self.rfile is in map:%s id:%s type:%s"%(str(rf), id(rf), type(rf)))
+ rfm = dmap.get(rf, False)
+ if rfm:
+ return rfm
+
+ # get default string for node and then also string swapping os.altsep for os.sep (/ for \)
+ c_strs = [str(self)]
+
if os.altsep:
- c_str = c_str.replace(os.sep, os.altsep)
- df = dmap.get(c_str, None)
- if MD5_TIMESTAMP_DEBUG: print("-->%s"%df)
+ c_strs.append(c_strs[0].replace(os.sep, os.altsep))
+
+ # In some cases the dependency_maps' keys are already strings check.
+ # Check if either string is now in dmap.
+ for s in c_strs:
+ if MD5_TIMESTAMP_DEBUG: print("Checking if str(self) is in map :%s" % s)
+ df = dmap.get(s, False)
+ if df:
+ return df
+
+ # Strings don't exist in map, add them and try again
+ # If there are no strings in this dmap, then add them.
+ # This may not be necessary, we could walk the nodes in the dmap and check each string
+ # rather than adding ALL the strings to dmap. In theory that would be n/2 vs 2n str() calls on node
+ # if not dmap.has_strings:
+ dmap = self._add_strings_to_dependency_map(dmap)
+
+ # In some cases the dependency_maps' keys are already strings check.
+ # Check if either string is now in dmap.
+ for s in c_strs:
+ if MD5_TIMESTAMP_DEBUG: print("Checking if str(self) is in map (now with strings) :%s" % s)
+ df = dmap.get(s, False)
if df:
return df
+ # Lastly use nodes get_path() to generate string and see if that's in dmap
if not df:
try:
# this should yield a path which matches what's in the sconsign
c_str = self.get_path()
- df = dmap.get(c_str, None)
- if MD5_TIMESTAMP_DEBUG: print("-->%s"%df)
- if df:
- return df
-
if os.altsep:
c_str = c_str.replace(os.sep, os.altsep)
- df = dmap.get(c_str, None)
- if MD5_TIMESTAMP_DEBUG: print("-->%s"%df)
- if df:
- return df
+
+ if MD5_TIMESTAMP_DEBUG: print("Checking if self.get_path is in map (now with strings) :%s" % s)
+
+ df = dmap.get(c_str, None)
except AttributeError as e:
raise FileBuildInfoFileToCsigMappingError("No mapping from file name to content signature for :%s"%c_str)
@@ -3387,21 +3424,17 @@ class File(Base):
file and just copy the prev_ni provided. If the prev_ni
is wrong. It will propagate it.
See: https://github.com/SCons/scons/issues/2980
-
+
Args:
self - dependency
target - target
prev_ni - The NodeInfo object loaded from previous builds .sconsign
- node - Node instance. This is the only changed* function which requires
- node to function. So if we detect that it's not passed.
- we throw DeciderNeedsNode, and caller should handle this and pass node.
+ node - Node instance. Check this node for file existence/timestamp
+ if specified.
- Returns:
+ Returns:
Boolean - Indicates if node(File) has changed.
"""
- if node is None:
- # We need required node argument to get BuildInfo to function
- raise DeciderNeedsNode(self.changed_timestamp_then_content)
# Now get sconsign name -> csig map and then get proper prev_ni if possible
bi = node.get_stored_info().binfo
@@ -3433,7 +3466,6 @@ class File(Base):
print("Mismatch self.changed_timestamp_match(%s, prev_ni) old:%s new:%s"%(str(target), old, new))
new_prev_ni = self._get_previous_signatures(dependency_map)
-
if not new:
try:
# NOTE: We're modifying the current node's csig in a query.
@@ -3443,13 +3475,13 @@ class File(Base):
return False
return self.changed_content(target, new_prev_ni)
- def changed_timestamp_newer(self, target, prev_ni):
+ def changed_timestamp_newer(self, target, prev_ni, repo_node=None):
try:
return self.get_timestamp() > target.get_timestamp()
except AttributeError:
return 1
- def changed_timestamp_match(self, target, prev_ni):
+ def changed_timestamp_match(self, target, prev_ni, repo_node=None):
"""
Return True if the timestamps don't match or if there is no previous timestamp
:param target:
@@ -3462,14 +3494,18 @@ class File(Base):
return 1
def is_up_to_date(self):
+ """Check for whether the Node is current
+ In all cases self is the target we're checking to see if it's up to date
+ """
+
T = 0
if T: Trace('is_up_to_date(%s):' % self)
if not self.exists():
if T: Trace(' not self.exists():')
- # The file doesn't exist locally...
+ # The file (always a target) doesn't exist locally...
r = self.rfile()
if r != self:
- # ...but there is one in a Repository...
+ # ...but there is one (always a target) in a Repository...
if not self.changed(r):
if T: Trace(' changed(%s):' % r)
# ...and it's even up-to-date...