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This guide demonstrates the essential steps to get started with GroupDocs.Parser for Python via .NET and perform basic document parsing operations.
Before you begin, ensure you have:
- Python 3.5 or higher installed
- GroupDocs.Parser for Python via .NET installed (see Installation)
The most common task is extracting text from documents. Here’s how to do it:
from groupdocs.parser import Parser
def extract_text_from_document():
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
# Extract text from the document
text_reader = parser.get_text()
if text_reader is not None:
# Print the extracted text
print(text_reader)
else:
print("Text extraction isn't supported for this format")
if __name__ == "__main__":
extract_text_from_document()
The following sample file is used in this example: sample.pdf
You can retrieve basic information about a document:
from groupdocs.parser import Parser
def get_document_information():
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
# Get document info
info = parser.get_document_info()
print(f"File type: {info.file_type.file_format}")
print(f"Page count: {info.page_count}")
print(f"Size: {info.size} bytes")
if __name__ == "__main__":
get_document_information()
The following sample file is used in this example: sample.pdf
Extract metadata properties from documents:
from groupdocs.parser import Parser
def extract_metadata():
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
# Extract metadata
metadata = parser.get_metadata()
if metadata is not None:
for item in metadata:
print(f"{item.name}: {item.value}")
if __name__ == "__main__":
extract_metadata()
The following sample file is used in this example: sample.pdf
Extract images from documents:
from groupdocs.parser import Parser
def extract_images():
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
# Extract images
images = parser.get_images()
if images is not None:
for i, image in enumerate(images):
# Save image to file
with open(f"image_{i}.{image.file_type.extension}", "wb") as file:
file.write(image.get_image_stream().read())
if __name__ == "__main__":
extract_images()
The following sample file is used in this example: sample.pdf
Extract text from a particular page:
from groupdocs.parser import Parser
def extract_text_from_specific_page():
# Create an instance of Parser class
with Parser("./sample.pdf") as parser:
# Get document info to check page count
info = parser.get_document_info()
if info.page_count > 0:
# Extract text from the first page (page index is 0-based)
text_reader = parser.get_text(0)
if text_reader is not None:
print(text_reader)
if __name__ == "__main__":
extract_text_from_specific_page()
The following sample file is used in this example: sample.pdf
Before processing a document, you can check if the format is supported:
from groupdocs.parser import Parser
def check_format_support():
# Check if file format is supported
if Parser.get_file_info("./sample.pdf").file_type.file_format != "Unknown":
print("Format is supported")
# Process the document
with Parser("./sample.pdf") as parser:
text_reader = parser.get_text()
if text_reader is not None:
print(text_reader)
else:
print("Format is not supported")
if __name__ == "__main__":
check_format_support()
The following sample file is used in this example: sample.pdf
Now that you’ve learned the basics, explore more advanced features:
- Extract text from documents - Learn different text extraction techniques
- Working with images - Advanced image extraction
- Working with tables - Extract tables from documents
- Template-based parsing - Parse structured data using templates
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