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OSDOCS 13186 modify build_for_portal.py to detect images and not duplicate the entire image directory for every book #87375

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merged 1 commit into from
Jan 23, 2025
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OSDOCS 13186 modify build_for_portal.py to detect images and not duplicate the entire image directory for every book #87375

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59 changes: 42 additions & 17 deletions build_for_portal.py
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Original file line number Diff line number Diff line change
Expand Up @@ -455,32 +455,39 @@ def reformat_for_drupal(info):

ensure_directory(images_dir)

# ADDED 21 Jan 2025: selective processing of images
# the set of file names is to be stored in image_files
# The initial value includes images defined in attributes (to copy every time)
image_files = set()

log.debug("Copying source files for " + book["Name"])
copy_files(book, book_src_dir, src_dir, dest_dir, info)
copy_files(book, book_src_dir, src_dir, dest_dir, info, image_files)

log.debug("Copying images for " + book["Name"])
copy_images(book, src_dir, images_dir, distro)
copy_images(book, src_dir, images_dir, distro, image_files)



def copy_images(node, src_path, dest_dir, distro):
def copy_images(node, src_path, dest_dir, distro, image_files):
"""
Copy images over to the destination directory and flatten all image directories into the one top level dir.
"""

def dir_callback(dir_node, parent_dir, depth):
node_dir = os.path.join(parent_dir, dir_node["Dir"])
src = os.path.join(node_dir, "images")

if os.path.exists(src):
src_files = os.listdir(src)
for src_file in src_files:
shutil.copy(os.path.join(src, src_file), dest_dir)
REWORKED 21 Jan 2025: we now assume that there is a single images directory and
that all other images subdirectories are simply symlinks into it. So we do not
iterate over the tree but simply copy the necessary files from that one images directory
"""

iter_tree(node, distro, dir_callback, parent_dir=src_path)
images_source_dir = os.path.join(src_path, "images")
for image_file_name in image_files:
image_file_pathname = os.path.join(images_source_dir,image_file_name)
if os.path.exists(image_file_pathname):
shutil.copy(image_file_pathname, dest_dir)
# if an image file is not found, this is not an error, because it might
# have been picked up from a commented-out line. Actual missing images
# should be caught by the asciidoctor/asciibinder part of CI


def copy_files(node, book_src_dir, src_dir, dest_dir, info):
def copy_files(node, book_src_dir, src_dir, dest_dir, info, image_files):
"""
Recursively copy files from the source directory to the destination directory, making sure to scrub the content, add id's where the
content is referenced elsewhere and fix any links that should be cross references.
Expand All @@ -498,7 +505,7 @@ def topic_callback(topic_node, parent_dir, depth):
dest_file = os.path.join(node_dest_dir, topic_node["File"] + ".adoc")

# Copy the file
copy_file(info, book_src_dir, src_file, dest_dir, dest_file)
copy_file(info, book_src_dir, src_file, dest_dir, dest_file, image_files)

iter_tree(node, info["distro"], dir_callback, topic_callback)

Expand All @@ -509,6 +516,7 @@ def copy_file(
src_file,
dest_dir,
dest_file,
image_files,
include_check=True,
tag=None,
cwd=None,
Expand All @@ -529,7 +537,7 @@ def copy_file(
# os.mknod(dest_file)
open(dest_file, "w").close()
# Scrub/fix the content
content = scrub_file(info, book_src_dir, src_file, tag=tag, cwd=cwd)
content = scrub_file(info, book_src_dir, src_file, image_files, tag=tag, cwd=cwd)

# Check for any includes
if include_check:
Expand Down Expand Up @@ -584,6 +592,7 @@ def copy_file(
include_file,
dest_dir,
dest_include_file,
image_files,
tag=include_tag,
cwd=current_dir,
)
Expand Down Expand Up @@ -612,8 +621,21 @@ def copy_file(
with open(dest_file, "w") as f:
f.write(content)

def detect_images(content, image_files):
"""
Detects all image file names referenced in the content, which is a readlines() output
Adds the filenames to the image_files set
Does NOT control for false positives such as commented out content,
because "false negatives" are worse

def scrub_file(info, book_src_dir, src_file, tag=None, cwd=None):
TEMPORARY: use both procedural and RE detection and report any misalignment
"""
image_pattern = re.compile(r'image::?([^\s\[]+)\[.*?\]')

for content_str in content:
image_files.update({os.path.basename(f) for f in image_pattern.findall(content_str)})

def scrub_file(info, book_src_dir, src_file, image_files, tag=None, cwd=None):
"""
Scrubs a file and returns the cleaned file contents.
"""
Expand Down Expand Up @@ -657,6 +679,9 @@ def scrub_file(info, book_src_dir, src_file, tag=None, cwd=None):
with open(src_file, "r") as f:
src_file_content = f.readlines()

# detect image references in the content
detect_images(src_file_content, image_files)

# Scrub the content
content = ""
header_found = content_found = False
Expand Down