Make app packageable

10 files changed, 328 insertions, 0 deletions

diff --git a/cli/__init__.py b/cli/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cli/__init__.py
diff --git a/cli/library/__init__.py b/cli/library/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cli/library/__init__.py
diff --git a/cli/library/command.py b/cli/library/command.py
new file mode 100644
index 0000000..1c4d20c
--- /dev/null
+++ b/cli/library/command.py
@@ -0,0 +1,21 @@
+import glob
+import json
+import os
+import tomllib
+
+def run(books_library):
+    print(get(books_library))
+
+def get(books_library):
+    metadatas = []
+
+    for path in glob.glob(f'{books_library}/**/metadata.toml', recursive=True):
+        with open(path, 'rb') as f:
+            directory = os.path.dirname(os.path.realpath(path))
+            metadata = tomllib.load(f)
+            for p in glob.glob(f'{directory}/cover.*'):
+                metadata['cover'] = p
+                break
+            metadatas.append(metadata)
+
+    return json.dumps(metadatas)
diff --git a/cli/main.py b/cli/main.py
new file mode 100644
index 0000000..01434fa
--- /dev/null
+++ b/cli/main.py
@@ -0,0 +1,80 @@
+# Manage book library.
+#
+# Required dependencies:
+#
+#   - python >= 3.11
+#   - requests
+#   - pillow
+#   - ebook-convert CLI (from calibre)
+
+import cli.library.command
+import cli.new.command
+import cli.view.command
+import os
+import sys
+
+def main(bin_dir):
+    match sys.argv:
+        case [ _, 'new' ]:
+            books_library = get_books_library()
+            cli.new.command.run(books_library)
+        case [ _, 'new', book_source ]:
+            if os.path.isfile(book_source):
+                books_library = get_books_library()
+                cli.new.command.run(books_library, book_source)
+            else:
+                print_help(title=f'File not found: {book_source}.')
+                exit(1)
+        case [ _, 'library' ]:
+            books_library = get_books_library()
+            cli.library.command.run(books_library)
+        case [ _, 'view' ]:
+            books_library = get_books_library()
+            books_browser = get_env_var('BOOKS_BROWSER')
+            cli.view.command.run(books_library, books_browser, bin_dir)
+        case [ _, '--help' ]:
+            print_help()
+        case [ _, '-h' ]:
+            print_help()
+        case _:
+            print_help('Command not found.')
+            exit(1)
+
+def get_books_library():
+    books_library = get_env_var('BOOKS_LIBRARY')
+    if os.path.isdir(books_library):
+        return books_library
+    else:
+        print_help(title=f'BOOKS_LIBRARY {books_library} not found.')
+        exit(1)
+
+def get_env_var(key):
+    value = os.getenv(key)
+    if value:
+        return value
+    else:
+        print_help(title=f'{key} environment variable is required.')
+        exit(1)
+
+def print_help(title='Manage book library'):
+        print(f"""{title}
+
+- Insert book entry with optional ebook file:
+
+    $ python {sys.argv[0]} new [path-to-book] 
+
+- Print library metadata as json:
+
+    $ python {sys.argv[0]} library 
+
+- View books in web page:
+
+    $ python {sys.argv[0]} view
+
+Environment variables:
+
+    BOOKS_LIBRARY: path to book library,
+    BOOKS_BROWSER: browser command executed to view the library.""")
+
+if __name__ == "__main__":
+        main()
diff --git a/cli/new/__init__.py b/cli/new/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cli/new/__init__.py
diff --git a/cli/new/command.py b/cli/new/command.py
new file mode 100644
index 0000000..9f5e5dc
--- /dev/null
+++ b/cli/new/command.py
@@ -0,0 +1,88 @@
+import PIL.Image
+import cli.new.format as format
+import cli.new.reader as reader
+import io
+import os
+import pathlib
+import requests
+import shutil
+import subprocess
+
+def run(books_library, book_source=None):
+
+    # Get data
+
+    title = reader.required('Title')
+    subtitle = reader.optional('Subtitle')
+    authors = reader.non_empty_list('Authors')
+    author_sort = reader.required('Authors sorting')
+    genres = reader.non_empty_list('Genres')
+    year = reader.integer('Year')
+    lang = reader.choices('Lang', ['fr', 'en', 'de'])
+    summary = format.cleanup_text(reader.multi_line('Summary'), lang)
+    cover_url = reader.required('Cover url')
+    read = reader.choices('Read', ['Read', 'Unread', 'Reading', 'Stopped'])
+
+    # Output paths
+
+    author_path = format.path_part(author_sort)
+    title_path = format.path_part(title)
+
+    output_dir = f'{books_library}/{author_path}/{title_path}'
+    metadata_path = f'{output_dir}/metadata.toml'
+    cover_path = f'{output_dir}/cover.webp'
+
+    if not book_source is None:
+        ext = format.extension(book_source)
+        book_path = f'{output_dir}/book{ext}'
+        book_source_dir = os.path.dirname(os.path.realpath(book_source))
+        book_source_new = f'{book_source_dir}/{author_path}-{title_path}.mobi'
+
+    # Metadata
+
+    metadata = f"""title = "{title}"
+    subtitle = "{subtitle}"
+    authors = {format.format_list(authors)}
+    authorsSort = "{author_sort}"
+    genres = {format.format_list(genres)}
+    date = {year}
+    summary = \"\"\"
+    {summary}
+    \"\"\"
+    read = "{read}"
+    """
+
+    # Ask for confirmation
+
+    print(f'About to create:\n\n- {metadata_path}\n- {cover_path}')
+    if not book_source is None:
+        print(f'- {book_path}')
+        print(f'\nAnd moving:\n\n {book_source},\n -> {book_source_new}.')
+    print()
+
+    reader.confirm('OK?')
+
+    # Create files
+
+    pathlib.Path(output_dir).mkdir(parents=True, exist_ok=True)
+    download_cover(cover_url, cover_path)
+    with open(metadata_path, 'w') as f:
+        f.write(metadata)
+    if not book_path is None:
+        shutil.copyfile(book_source, book_path)
+        if format.extension(book_source) in ['mobi', 'azw3']:
+            os.rename(book_source, book_source_new)
+        else:
+            subprocess.run(['ebook-convert', book_source, book_source_new])
+        os.remove(book_source)
+
+# Download cover as WEBP
+def download_cover(url, path):
+    response = requests.get(url, headers={ 'User-Agent': 'python-script' })
+    image = PIL.Image.open(io.BytesIO(response.content))
+    width, height = image.size
+    if width > 300:
+        image = image.resize((300, int(300 * height / width)), PIL.Image.LANCZOS)
+    image = image.convert('RGB')
+    image.save(path, 'WEBP', optimize=True, quality=85)
+
diff --git a/cli/new/format.py b/cli/new/format.py
new file mode 100644
index 0000000..c004f82
--- /dev/null
+++ b/cli/new/format.py
@@ -0,0 +1,68 @@
+import pathlib
+import re
+import unicodedata
+
+def format_list(xs):
+    return '[ ' + ', '.join([f'"{x}"' for x in xs]) + ' ]'
+
+def path_part(name):
+    simplified = ''.join([alnum_or_space(c) for c in unaccent(name.lower())])
+    return '-'.join(simplified.split())
+
+def unaccent(s):
+   return ''.join(c for c in unicodedata.normalize('NFD', s) if unicodedata.category(c) != 'Mn')
+
+def alnum_or_space(c):
+    if c.isalnum():
+        return c
+    else:
+        return ' '
+
+def extension(path):
+    return pathlib.Path(path).suffix
+
+def cleanup_text(s, lang):
+    s = re.sub('\'', '’', s)
+    s = re.sub('\.\.\.', '…', s)
+    s = re.sub('\. \. \.', '…', s)
+    s = cleanup_quotes(s, lang)
+
+    if lang == 'fr':
+        s = re.sub('“', '«', s)
+        s = re.sub('”', '»', s)
+
+        # Replace space by insecable spaces
+        s = re.sub(r' ([:?\!»])', r' \1', s)
+        s = re.sub('« ', '« ', s)
+
+        # Add missing insecable spaces
+        s = re.sub(r'([^ ])([:?\!»])', r'\1 \2', s)
+        s = re.sub(r'«([^ ])', r'« \1', s)
+
+    elif lang == 'en':
+        s = re.sub('«', '“', s)
+        s = re.sub('»', '”', s)
+
+    return s
+
+def cleanup_quotes(s, lang):
+    res = ''
+    quoted = False
+    for c in s:
+        if c == '"':
+            if quoted:
+                quoted = False
+                if lang == 'fr':
+                    res += '»'
+                elif lang == 'en':
+                    res += '”'
+            else:
+                quoted = True
+                if lang == 'fr':
+                    res += '«'
+                elif lang == 'en':
+                    res += '“'
+        else:
+            res += c
+    return res
+
diff --git a/cli/new/reader.py b/cli/new/reader.py
new file mode 100644
index 0000000..eacd70b
--- /dev/null
+++ b/cli/new/reader.py
@@ -0,0 +1,55 @@
+def required(label):
+    value = input(f'{label}: ').strip()
+    if value:
+        print()
+        return value
+    else:
+        return required(label)
+
+def multi_line(label):
+    lines = ''
+    print(f'{label}, type [end] to finish:\n')
+    while True:
+        value = input()
+        if value.strip() == '[end]':
+            break
+        elif value.strip():
+            lines += f'{value.strip()}\n'
+    print()
+    return lines.strip()
+
+def optional(label):
+    value = input(f'{label} (optional): ').strip()
+    print()
+    return value
+
+def non_empty_list(label):
+    value = input(f'{label} (separated by commas): ')
+    values = [x.strip() for x in value.split(',') if x.strip()]
+    if len(values) > 0:
+        print()
+        return values
+    else:
+        return non_empty_list(label)
+
+def integer(label):
+    value = input(f'{label}: ').strip()
+    if value.isdigit():
+        print()
+        return int(value)
+    else:
+        return integer(label)
+
+def choices(label, xs):
+    pp_choices = '/'.join(xs)
+    value = input(f'{label} [{pp_choices}] ')
+    if value in xs:
+        print()
+        return value
+    else:
+        return choices(label, xs)
+
+def confirm(message):
+    if choices(message, ['y', 'n']) == 'n':
+        print('\nStopping.')
+        exit(1)
diff --git a/cli/view/__init__.py b/cli/view/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/cli/view/__init__.py
diff --git a/cli/view/command.py b/cli/view/command.py
new file mode 100644
index 0000000..72e44dd
--- /dev/null
+++ b/cli/view/command.py
@@ -0,0 +1,16 @@
+import cli.library.command
+import shutil
+import subprocess
+import subprocess
+import tempfile
+import time
+
+def run(books_library, books_browser, bin_dir):
+    tmp_dir = tempfile.mkdtemp()
+    shutil.copytree(f'{bin_dir}/library/public', tmp_dir, dirs_exist_ok=True)
+    subprocess.run(['chmod', 'u+w', tmp_dir])
+    with open(f'{tmp_dir}/books.js', 'w') as f:
+        json = cli.library.command.get(books_library)
+        f.write(f'const bookLibrary = {json}')
+    browser_cmd = f'{books_browser} {tmp_dir}/index.html'
+    subprocess.run(browser_cmd.split(' '))