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static site generator part 3

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Signed-off-by: Brian S. Stephan <bss@incorporeal.org>
This commit is contained in:
Brian S. Stephan 2025-03-13 19:28:51 -05:00
parent 1ace0e1427
commit 02c548880e
Signed by: bss
GPG Key ID: 3DE06D3180895FCB
1 changed files with 70 additions and 43 deletions
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111
incorporealcms/ssg.py
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@ -37,7 +37,6 @@ def build():
output_dir = os.path.abspath(args.output_dir)
instance_dir = os.path.abspath(args.instance_dir)
pages_dir = os.path.join(instance_dir, 'pages')
# initialize configuration with the path to the instance
init_instance(instance_dir)
@ -47,50 +46,22 @@ def build():
cprint(f"creating temporary directory '{tmp_output_dir}' for writing", 'green')
# CORE CONTENT
# render and/or copy into the output dir after changing into the instance dir (to simplify paths)
os.chdir(pages_dir)
for base_dir, subdirs, files in os.walk(pages_dir):
# remove the absolute path of the pages directory from the base_dir
base_dir = os.path.relpath(base_dir, pages_dir)
# create subdirs seen here for subsequent depth
for subdir in subdirs:
dst = os.path.join(tmp_output_dir, base_dir, subdir)
if os.path.islink(os.path.join(base_dir, subdir)):
# keep the link relative to the output directory
src = symlink_to_relative_dest(pages_dir, os.path.join(base_dir, subdir))
print(f"creating directory symlink '{dst}' -> '{src}'")
os.symlink(src, dst, target_is_directory=True)
else:
print(f"creating directory '{dst}'")
os.mkdir(dst)
pages_dir = os.path.join(instance_dir, 'pages')
copy_to_destination(pages_dir, tmp_output_dir)
# process and copy files
for file_ in files:
dst = os.path.join(tmp_output_dir, base_dir, file_)
if os.path.islink(os.path.join(base_dir, file_)):
# keep the link relative to the output directory
src = symlink_to_relative_dest(pages_dir, os.path.join(base_dir, file_))
print(f"creating symlink '{dst}' -> '{src}'")
os.symlink(src, dst, target_is_directory=False)
else:
src = os.path.join(base_dir, file_)
print(f"copying file '{src}' -> '{dst}'")
shutil.copy2(src, dst)
# render markdown as HTML
if src.endswith('.md'):
rendered_file = dst.removesuffix('.md') + '.html'
# STATIC DIR
program_static_dir = os.path.join(os.path.dirname(os.path.abspath(__file__)), 'static')
static_output_dir = os.path.join(tmp_output_dir, 'static')
try:
content = handle_markdown_file_path(src)
except UnicodeDecodeError:
# perhaps this isn't a markdown file at all for some reason; we
# copied it above so stick with tha
cprint(f"{src} has invalid bytes! skipping", 'yellow')
continue
with open(rendered_file, 'w') as dst_file:
dst_file.write(content)
os.mkdir(static_output_dir)
except FileExistsError:
# already exists
pass
copy_to_destination(program_static_dir, static_output_dir, convert_markdown=False)
# TODO: STATIC DIR
# INSTANCE STATIC DIR
custom_static_dir = os.path.join(instance_dir, 'custom-static')
copy_to_destination(custom_static_dir, static_output_dir, convert_markdown=False)
# move temporary dir to the destination
old_output_dir = f'{output_dir}-old-{os.path.basename(tmp_output_dir)}'
@ -105,6 +76,62 @@ def build():
# TODO: unlink old dir above? arg flag?
def copy_to_destination(source_dir: str, dest_dir: str, convert_markdown: bool = True) -> None:
"""Walk the source directory and copy and/or convert its contents into the destination.
Args:
source_dir: the directory to copy into the destination
dest_dir: the directory to place copied/converted files into
convert_markdown: whether or not to convert Markdown files (or simply copy them)
"""
cprint(f"copying files from '{source_dir}' to '{dest_dir}'", 'green')
os.chdir(source_dir)
for base_dir, subdirs, files in os.walk(source_dir):
# remove the absolute path of the pages directory from the base_dir
base_dir = os.path.relpath(base_dir, source_dir)
# create subdirs seen here for subsequent depth
for subdir in subdirs:
dst = os.path.join(dest_dir, base_dir, subdir)
if os.path.islink(os.path.join(base_dir, subdir)):
# keep the link relative to the output directory
src = symlink_to_relative_dest(source_dir, os.path.join(base_dir, subdir))
print(f"creating directory symlink '{dst}' -> '{src}'")
os.symlink(src, dst, target_is_directory=True)
else:
print(f"creating directory '{dst}'")
try:
os.mkdir(dst)
except FileExistsError:
# already exists
pass
# process and copy files
for file_ in files:
dst = os.path.join(dest_dir, base_dir, file_)
if os.path.islink(os.path.join(base_dir, file_)):
# keep the link relative to the output directory
src = symlink_to_relative_dest(source_dir, os.path.join(base_dir, file_))
print(f"creating symlink '{dst}' -> '{src}'")
os.symlink(src, dst, target_is_directory=False)
else:
src = os.path.join(base_dir, file_)
print(f"copying file '{src}' -> '{dst}'")
shutil.copy2(src, dst)
# render markdown as HTML
if src.endswith('.md') and convert_markdown:
rendered_file = dst.removesuffix('.md') + '.html'
try:
content = handle_markdown_file_path(src)
except UnicodeDecodeError:
# perhaps this isn't a markdown file at all for some reason; we
# copied it above so stick with tha
cprint(f"{src} has invalid bytes! skipping", 'yellow')
continue
with open(rendered_file, 'w') as dst_file:
dst_file.write(content)
def symlink_to_relative_dest(base_dir: str, source: str) -> str:
"""Given a symlink, make sure it points to something inside the instance and provide its real destination.