Changeset - 5553ecc962e0
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Mads Kiilerich (mads) - 6 years ago 2019-09-04 22:54:49
mads@kiilerich.com
Grafted from: 4bd3514004ab
scripts/i18n: introduce --merge-pot-file to control normalization

There are actually *two* kinds of normalization:

- in main branches, where we just want the translations - not any trivially
derived information or temporary or unstructured data.
- in i18n branches, where we want the trivially derived information, and also
want to preserve any other information there might be in the .po files.

If no pot file is specifed, do it as on the main branches and strip everything
but actual translations. This mode will primarily be used when grafting or
rebasing changes from i18n branches.

When a pot file is specified, run GNU msgmerge with it on the po files. The pot
file should ideally be fully updated (as done by extract_messages). That will
establish a common baseline, leaving only the essential changes as needing merge.

If merging from default branches to 18n, it is better to skip .po and .pot in
first 'hg merge' pass, while resolving everything else. Then, with the
uncommitted merge, run 'extract_messages', and then merge the .po files using
--merge-pot-file kallithea/i18n/kallithea.pot .

(Actually, these two different modes could perhaps be auto detected ...)
2 files changed with 41 insertions and 19 deletions:
scripts/i18n
34
15
scripts/i18n_utils.py
7
4
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scripts/i18n
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@@ -44,27 +44,44 @@ def cli(debug):
 

			




	
	
	
		
 
@cli.command()

			




	
	
	
		
 
@click.argument('po_files', nargs=-1)

			




	
	
	
		
 
def normalize_po_files(po_files):

			




	
	
	
		
 
@click.option('--merge-pot-file', default=None)

			




	
	
	
		
 
@click.option('--strip/--no-strip', default=False)

			




	
	
	
		
 
def normalize_po_files(po_files, merge_pot_file, strip):

			




	
	
	
		
 
    """Normalize the specified .po and .pot files.

			




	
	
	
		
 

			




	
	
	
		
 
    Only actual translations and essential headers will be preserved.

			




	
	
	
		
 
    By default, only actual translations and essential headers will be

			




	
	
	
		
 
    preserved, just as we want it in the main branches with minimal noise.

			




	
	
	
		
 

			




	
	
	
		
 
    If a .pot file is specified, the po files will instead be updated by

			




	
	
	
		
 
    running GNU msgmerge with this .pot file, thus updating source code

			




	
	
	
		
 
    references and preserving comments and outdated translations.

			




	
	
	
		
 
    """

			




	
	
	
		
 
    for po_file in po_files:

			




	
	
	
		
 
        i18n_utils._normalize_po_file(po_file, strip=True)

			




	
	
	
		
 
        i18n_utils._normalize_po_file(po_file, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 

			




	
	
	
		
 
@cli.command()

			




	
	
	
		
 
@click.argument('local')

			




	
	
	
		
 
@click.argument('base')

			




	
	
	
		
 
@click.argument('other')

			




	
	
	
		
 
@click.argument('output')

			




	
	
	
		
 
def normalized_merge(local, base, other, output):

			




	
	
	
		
 
@click.option('--merge-pot-file', default=None)

			




	
	
	
		
 
@click.option('--strip/--no-strip', default=False)

			




	
	
	
		
 
def normalized_merge(local, base, other, output, merge_pot_file, strip):

			




	
	
	
		
 
    """Merge tool for use with 'hg merge/rebase/graft --tool'

			




	
	
	
		
 

			




	
	
	
		
 
    Merging i18n files with a standard merge tool could yield merge conflicts

			




	
	
	
		
 
    when one side is normalized and the other is not. In such cases, it may be

			




	
	
	
		
 
    better to first normalize all sides, then proceed with a standard merge.

			




	
	
	
		
 
    This command does exactly that, and can be used as 'merge-tool' in

			




	
	
	
		
 
    Mercurial commands like merge, rebase and graft.

			




	
	
	
		
 
    i18n files are partially manually editored original source of content, and

			




	
	
	
		
 
    partially automatically generated and updated. That create a lot of churn

			




	
	
	
		
 
    and often cause a lot of merge conflicts.

			




	
	
	
		
 

			




	
	
	
		
 
    To avoid that, this merge tool wrapper will normalize .po content before

			




	
	
	
		
 
    running the merge tool.

			




	
	
	
		
 

			




	
	
	
		
 
    By default, only actual translations and essential headers will be

			




	
	
	
		
 
    preserved, just as we want it in the main branches with minimal noise.

			




	
	
	
		
 

			




	
	
	
		
 
    If a .pot file is specified, the po files will instead be updated by

			




	
	
	
		
 
    running GNU msgmerge with this .pot file, thus updating source code

			




	
	
	
		
 
    references and preserving comments and outdated translations.

			




	
	
	
		
 

			




	
	
	
		
 
    Add the following to your user or repository-specific .hgrc file to use it:

			




	
	
	
		
 
        [merge-tools]

			




	
	
		
 
@@ -81,10 +98,10 @@ def normalized_merge(local, base, other,

			




	
	
	
		
 

			




	
	
	
		
 
    print('i18n normalized-merge: merging file %s' % output)

			




	
	
	
		
 

			




	
	
	
		
 
    i18n_utils._normalize_po_file(local, strip=True)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(base, strip=True)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(other, strip=True)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(output, strip=True)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(local, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(base, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(other, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 
    i18n_utils._normalize_po_file(output, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 

			




	
	
	
		
 
    # simplemerge will write markers to 'local' if it fails, keep a copy without markers

			




	
	
	
		
 
    localkeep = local + '.keep'

			




	
	
		
 
@@ -110,9 +127,11 @@ def normalized_merge(local, base, other,

			




	
	
	
		
 
@cli.command()

			




	
	
	
		
 
@click.argument('file1')

			




	
	
	
		
 
@click.argument('file2')

			




	
	
	
		
 
def normalized_diff(file1, file2):

			




	
	
	
		
 
@click.option('--merge-pot-file', default=None)

			




	
	
	
		
 
@click.option('--strip/--no-strip', default=False)

			




	
	
	
		
 
def normalized_diff(file1, file2, merge_pot_file, strip):

			




	
	
	
		
 
    """Compare two files while transparently normalizing them."""

			




	
	
	
		
 
    sys.exit(i18n_utils._normalized_diff(file1, file2, strip=True))

			




	
	
	
		
 
    sys.exit(i18n_utils._normalized_diff(file1, file2, merge_pot_file=merge_pot_file, strip=strip))

			




	
	
	
		
 

			




	
	
	
		
 
if __name__ == '__main__':

			




	
	
	
		
 
    cli()

			




        

    


    
    

    

        

                

                    scripts/i18n_utils.py
                

                

                  
                      
                        

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@@ -159,7 +159,10 @@ def _normalize_po(raw_content):

			




	
	
	
		
 
        chunks.append('\n'.join(chunk_lines) + '\n')

			




	
	
	
		
 
    return '\n'.join(chunks)

			




	
	
	
		
 

			




	
	
	
		
 
def _normalize_po_file(po_file, strip=False):

			




	
	
	
		
 
def _normalize_po_file(po_file, merge_pot_file=None, strip=False):

			




	
	
	
		
 
    if merge_pot_file:

			




	
	
	
		
 
        runcmd(['msgmerge', '--width=76', '--backup=none', '--previous',

			




	
	
	
		
 
                '--update', po_file, '-q', merge_pot_file])

			




	
	
	
		
 
    if strip:

			




	
	
	
		
 
        po_tmp = po_file + '.tmp'

			




	
	
	
		
 
        with open(po_file, 'r') as src, open(po_tmp, 'w') as dest:

			




	
	
		
 
@@ -168,7 +171,7 @@ def _normalize_po_file(po_file, strip=Fa

			




	
	
	
		
 
            dest.write(normalized_content)

			




	
	
	
		
 
        os.rename(po_tmp, po_file)

			




	
	
	
		
 

			




	
	
	
		
 
def _normalized_diff(file1, file2, strip=False):

			




	
	
	
		
 
def _normalized_diff(file1, file2, merge_pot_file=None, strip=False):

			




	
	
	
		
 
    # Create temporary copies of both files

			




	
	
	
		
 
    temp1 = tempfile.NamedTemporaryFile(prefix=os.path.basename(file1))

			




	
	
	
		
 
    temp2 = tempfile.NamedTemporaryFile(prefix=os.path.basename(file2))

			




	
	
		
 
@@ -176,8 +179,8 @@ def _normalized_diff(file1, file2, strip

			




	
	
	
		
 
    shutil.copyfile(file1, temp1.name)

			




	
	
	
		
 
    shutil.copyfile(file2, temp2.name)

			




	
	
	
		
 
    # Normalize them in place

			




	
	
	
		
 
    _normalize_po_file(temp1.name, strip=strip)

			




	
	
	
		
 
    _normalize_po_file(temp2.name, strip=strip)

			




	
	
	
		
 
    _normalize_po_file(temp1.name, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 
    _normalize_po_file(temp2.name, merge_pot_file=merge_pot_file, strip=strip)

			




	
	
	
		
 
    # Now compare

			




	
	
	
		
 
    try:

			




	
	
	
		
 
        runcmd(['diff', '-u', temp1.name, temp2.name])

			




        

    



    


    



    



      

      





    
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