binary snapdiff
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@ -8,7 +8,7 @@ def dmpsnap(root_tree: str):
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def dcsnap(path: str, filename=None):
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return _dump.decode_snapshot(path, dump_file_name = filename)
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def diffsnap(last_tree, current_tree, path='./', removed=[], changed=[], added=[]):
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def diffsnap(last_tree, current_tree, path='./', bres={}):
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'''
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snapshot is a tree represented by dictionary {k, val} when k can be folder or file
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and val can be a dictionary or an hash
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@ -16,9 +16,9 @@ def diffsnap(last_tree, current_tree, path='./', removed=[], changed=[], added=[
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@param last_tree snapshot computed at time t0
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@param current_tree snapshot computed at time t1
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'''
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removed = []
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changed = []
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added = []
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removed = bres.setdefault('removed', [])
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changed = bres.setdefault('changed', [])
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added = bres.setdefault('added', [])
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for name_last, hsh_last in last_tree.items():
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hsh_current = current_tree.get(name_last)
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@ -34,30 +34,33 @@ def diffsnap(last_tree, current_tree, path='./', removed=[], changed=[], added=[
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if hsh_current is None:
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## the name in not founded in current snapshot - Subtree removed (or moved)
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print(f'{path}{name_last} present in last_tree but removed in current_tree, subtree {name_last} removed in current_tree')
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removed.append(item.update({
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item.update({
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'last_type' : 'dir',
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}))
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})
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removed.append(item)
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continue
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current_type = 'dir' if isinstance(hsh_current, dict) else 'file'
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if type(hsh_last) != type(hsh_current):
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print(f'{path}{name_last} changed his type in {current_type}')
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changed.append(item.update({
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item.update({
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'last_type' : last_type,
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'current_type' : current_type,
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}))
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})
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changed.append(item)
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continue
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if isinstance(hsh_last, str):
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if hsh_last != hsh_current:
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print(f'file {path}{name_last} changed his hash')
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changed.append(item.update({
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item.update({
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'last_type' : last_type,
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'current_type' : current_type,
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'last_hash' : hsh_last,
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'cur_hash' : hsh_current,
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}))
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})
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changed.append(item)
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continue
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# name is dir
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@ -71,8 +74,18 @@ def diffsnap(last_tree, current_tree, path='./', removed=[], changed=[], added=[
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if keys_added:
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for key_added in keys_added:
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print(f'file {path}{name_last}/{key_added} subtree added in current snapshot')
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item.update({
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'name' : key_added,
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'path' : '%s%s' % (path, name_last),
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'current_type' : 'dir' if isinstance(current_tree[name_last][key_added], dict) else 'file'
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})
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added.append(item)
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diffsnap(hsh_last, hsh_current, path='%s%s/' % (path,name_last))
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diffsnap(hsh_last, hsh_current, path='%s%s/' % (path,name_last), bres = {
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'removed' : removed,
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'added' : added,
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'changed' : changed,
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})
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def findsubtree(snapshot, subtree, path='./'):
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'''
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