PDF Text editor (#4724)

## Summary
- add a `PdfJsonConversionService` that serializes PDF text, fonts, and
metadata to JSON and rebuilds a PDF from the same structure
- expose REST endpoints for `/pdf/json` and `/json/pdf` conversions
using the existing convert API infrastructure
- define JSON model classes capturing document metadata, font
information, and positioned text elements

## Testing
- `./gradlew spotlessApply` *(fails: plugin
org.springframework.boot:3.5.4 unavailable in build environment)*
- `./gradlew build` *(fails: plugin org.springframework.boot:3.5.4
unavailable in build environment)*

------
https://chatgpt.com/codex/tasks/task_b_68f8e98d94ac8328a0e499e541528b6f

---------

Co-authored-by: EthanHealy01 <[email protected]>
This commit is contained in:
Anthony Stirling
2025-11-24 14:15:02 +00:00
committed by GitHub
co-authored by EthanHealy01
parent d42065e338
commit b0397da19e
253 changed files with 26069 additions and 111 deletions
+4 -2
View File
@@ -306,8 +306,10 @@ jobs:
- /stirling/V2-PR-${{ needs.check-pr.outputs.pr_number }}/config:/configs:rw
- /stirling/V2-PR-${{ needs.check-pr.outputs.pr_number }}/logs:/logs:rw
environment:
DISABLE_ADDITIONAL_FEATURES: "true"
SECURITY_ENABLELOGIN: "false"
DISABLE_ADDITIONAL_FEATURES: "false"
SECURITY_ENABLELOGIN: "true"
SECURITY_INITIALLOGIN_USERNAME: "${{ secrets.TEST_LOGIN_USERNAME }}"
SECURITY_INITIALLOGIN_PASSWORD: "${{ secrets.TEST_LOGIN_PASSWORD }}"
SYSTEM_DEFAULTLOCALE: en-GB
UI_APPNAME: "Stirling-PDF V2 PR#${{ needs.check-pr.outputs.pr_number }}"
UI_HOMEDESCRIPTION: "V2 PR#${{ needs.check-pr.outputs.pr_number }} - Frontend/Backend Split Architecture"
+15
View File
@@ -33,6 +33,7 @@ SwaggerDoc.json
# Gradle
.gradle
.gradle-home
.lock
# External tool builders
@@ -213,3 +214,17 @@ node_modules/
test_batch.json
*.backup.*.json
frontend/public/locales/*/translation.backup*.json
# Development/build artifacts
.gradle-cache/
scripts/pdf-collection/
**/tmp/
*.backup
# Type3 development data
docs/type3/signatures/
# Type3 sample PDFs (development only)
**/type3/samples/
+2
View File
@@ -37,6 +37,8 @@ dependencies {
api 'com.drewnoakes:metadata-extractor:2.19.0' // Image metadata extractor
api 'com.vladsch.flexmark:flexmark-html2md-converter:0.64.8'
api "org.apache.pdfbox:pdfbox:$pdfboxVersion"
api "org.apache.pdfbox:xmpbox:$pdfboxVersion"
api "org.apache.pdfbox:preflight:$pdfboxVersion"
api 'com.github.junrar:junrar:7.5.5' // RAR archive support for CBR files
api 'jakarta.servlet:jakarta.servlet-api:6.1.0'
api 'org.snakeyaml:snakeyaml-engine:2.10'
@@ -336,6 +336,8 @@ public class EndpointConfiguration {
addEndpointToGroup("Convert", "eml-to-pdf");
addEndpointToGroup("Convert", "cbz-to-pdf");
addEndpointToGroup("Convert", "pdf-to-cbz");
addEndpointToGroup("Convert", "pdf-to-json");
addEndpointToGroup("Convert", "json-to-pdf");
// Adding endpoints to "Security" group
addEndpointToGroup("Security", "add-password");
@@ -471,6 +473,8 @@ public class EndpointConfiguration {
addEndpointToGroup("Java", "compress-pdf");
addEndpointToGroup("Java", "cbz-to-pdf");
addEndpointToGroup("Java", "pdf-to-cbz");
addEndpointToGroup("Java", "pdf-to-json");
addEndpointToGroup("Java", "json-to-pdf");
addEndpointToGroup("rar", "pdf-to-cbr");
// Javascript
@@ -41,7 +41,7 @@ public class CustomPDFDocumentFactory {
// Memory thresholds and limits
private static final long SMALL_FILE_THRESHOLD = 10 * 1024 * 1024; // 10 MB
public static final long SMALL_FILE_THRESHOLD = 10 * 1024 * 1024; // 10 MB
// Files smaller than this threshold are loaded entirely in memory for better performance.
// These files use IOUtils.createMemoryOnlyStreamCache() which keeps all document data in RAM.
// No temp files are created for document data, reducing I/O operations but consuming more
@@ -9,6 +9,7 @@ import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.function.Supplier;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
@@ -37,6 +38,9 @@ public class JobExecutorService {
private final ExecutorService executor = ExecutorFactory.newVirtualOrCachedThreadExecutor();
private final long effectiveTimeoutMs;
@Autowired(required = false)
private JobOwnershipService jobOwnershipService;
public JobExecutorService(
TaskManager taskManager,
FileStorage fileStorage,
@@ -98,11 +102,17 @@ public class JobExecutorService {
long customTimeoutMs,
boolean queueable,
int resourceWeight) {
String jobId = UUID.randomUUID().toString();
// Generate base UUID
String baseJobId = UUID.randomUUID().toString();
// Store the job ID in the request for potential use by other components
// Scope job to authenticated user if security is enabled
String scopedJobKey = getScopedJobKey(baseJobId);
log.debug("Generated jobId: {} (base: {})", scopedJobKey, baseJobId);
// Store the scoped job ID in the request for potential use by other components
if (request != null) {
request.setAttribute("jobId", jobId);
request.setAttribute("jobId", scopedJobKey);
// Also track this job ID in the user's session for authorization purposes
// This ensures users can only cancel their own jobs
@@ -116,11 +126,13 @@ public class JobExecutorService {
request.getSession().setAttribute("userJobIds", userJobIds);
}
userJobIds.add(jobId);
log.debug("Added job ID {} to user session", jobId);
userJobIds.add(scopedJobKey);
log.debug("Added scoped job ID {} to user session", scopedJobKey);
}
}
String jobId = scopedJobKey;
// Determine which timeout to use
long timeoutToUse = customTimeoutMs > 0 ? customTimeoutMs : effectiveTimeoutMs;
@@ -149,17 +161,31 @@ public class JobExecutorService {
taskManager.createTask(jobId);
// Create a specialized wrapper that updates the TaskManager
final String capturedJobIdForQueue = jobId;
Supplier<Object> wrappedWork =
() -> {
try {
// Set jobId in ThreadLocal context for the queued job
stirling.software.common.util.JobContext.setJobId(
capturedJobIdForQueue);
log.debug(
"Set jobId {} in JobContext for queued job execution",
capturedJobIdForQueue);
Object result = work.get();
processJobResult(jobId, result);
processJobResult(capturedJobIdForQueue, result);
return result;
} catch (Exception e) {
log.error(
"Error executing queued job {}: {}", jobId, e.getMessage(), e);
taskManager.setError(jobId, e.getMessage());
"Error executing queued job {}: {}",
capturedJobIdForQueue,
e.getMessage(),
e);
taskManager.setError(capturedJobIdForQueue, e.getMessage());
throw e;
} finally {
// Clean up ThreadLocal to avoid memory leaks
stirling.software.common.util.JobContext.clear();
}
};
@@ -171,21 +197,36 @@ public class JobExecutorService {
return ResponseEntity.ok().body(new JobResponse<>(true, jobId, null));
} else if (async) {
taskManager.createTask(jobId);
// Capture the jobId for the async thread
final String capturedJobId = jobId;
executor.execute(
() -> {
try {
log.debug(
"Running async job {} with timeout {} ms", jobId, timeoutToUse);
"Running async job {} with timeout {} ms",
capturedJobId,
timeoutToUse);
// Set jobId in ThreadLocal context for the async thread
stirling.software.common.util.JobContext.setJobId(capturedJobId);
log.debug(
"Set jobId {} in JobContext for async execution",
capturedJobId);
// Execute with timeout
Object result = executeWithTimeout(() -> work.get(), timeoutToUse);
processJobResult(jobId, result);
processJobResult(capturedJobId, result);
} catch (TimeoutException te) {
log.error("Job {} timed out after {} ms", jobId, timeoutToUse);
taskManager.setError(jobId, "Job timed out");
} catch (Exception e) {
log.error("Error executing job {}: {}", jobId, e.getMessage(), e);
taskManager.setError(jobId, e.getMessage());
} finally {
// Clean up ThreadLocal to avoid memory leaks
stirling.software.common.util.JobContext.clear();
}
});
@@ -194,6 +235,10 @@ public class JobExecutorService {
try {
log.debug("Running sync job with timeout {} ms", timeoutToUse);
// Make jobId available to downstream components on the worker thread
stirling.software.common.util.JobContext.setJobId(jobId);
log.debug("Set jobId {} in JobContext for sync execution", jobId);
// Execute with timeout
Object result = executeWithTimeout(() -> work.get(), timeoutToUse);
@@ -213,6 +258,8 @@ public class JobExecutorService {
// Construct a JSON error response
return ResponseEntity.internalServerError()
.body(Map.of("error", "Job failed: " + e.getMessage()));
} finally {
stirling.software.common.util.JobContext.clear();
}
}
}
@@ -466,8 +513,23 @@ public class JobExecutorService {
throws TimeoutException, Exception {
// Use the same executor as other async jobs for consistency
// This ensures all operations run on the same thread pool
String currentJobId = stirling.software.common.util.JobContext.getJobId();
java.util.concurrent.CompletableFuture<T> future =
java.util.concurrent.CompletableFuture.supplyAsync(supplier, executor);
java.util.concurrent.CompletableFuture.supplyAsync(
() -> {
if (currentJobId != null) {
stirling.software.common.util.JobContext.setJobId(currentJobId);
}
try {
return supplier.get();
} finally {
if (currentJobId != null) {
stirling.software.common.util.JobContext.clear();
}
}
},
executor);
try {
return future.get(timeoutMs, TimeUnit.MILLISECONDS);
@@ -483,4 +545,18 @@ public class JobExecutorService {
throw new Exception("Execution was interrupted", e);
}
}
/**
* Get a scoped job key that includes user ownership when security is enabled.
*
* @param baseJobId the base job identifier
* @return scoped job key, or just baseJobId if no ownership service available
*/
private String getScopedJobKey(String baseJobId) {
if (jobOwnershipService != null) {
return jobOwnershipService.createScopedJobKey(baseJobId);
}
// Security disabled, return unsecured job key
return baseJobId;
}
}
@@ -0,0 +1,42 @@
package stirling.software.common.service;
import java.util.Optional;
/**
* Service interface for managing job ownership and access control. Implementations can provide
* user-scoped job isolation when security is enabled, or no-op behavior when security is disabled.
*/
public interface JobOwnershipService {
/**
* Get the current authenticated user's identifier.
*
* @return Optional containing user identifier, or empty if not authenticated
*/
Optional<String> getCurrentUserId();
/**
* Create a scoped job key that includes user ownership when security is enabled.
*
* @param jobId the base job identifier
* @return scoped job key in format "userId:jobId", or just jobId if no user authenticated
*/
String createScopedJobKey(String jobId);
/**
* Validate that the current user has access to the given job.
*
* @param scopedJobKey the scoped job key to validate
* @return true if current user owns the job or no authentication is required
* @throws SecurityException if current user does not own the job
*/
boolean validateJobAccess(String scopedJobKey);
/**
* Extract the base job ID from a scoped job key.
*
* @param scopedJobKey the scoped job key
* @return the base job ID without user prefix
*/
String extractJobId(String scopedJobKey);
}
@@ -0,0 +1,18 @@
package stirling.software.common.util;
/** Thread-local context for passing job ID across async boundaries */
public class JobContext {
private static final ThreadLocal<String> CURRENT_JOB_ID = new ThreadLocal<>();
public static void setJobId(String jobId) {
CURRENT_JOB_ID.set(jobId);
}
public static String getJobId() {
return CURRENT_JOB_ID.get();
}
public static void clear() {
CURRENT_JOB_ID.remove();
}
}
@@ -96,6 +96,7 @@ public class ProcessExecutor {
.getProcessExecutor()
.getSessionLimit()
.getOcrMyPdfSessionLimit();
case CFF_CONVERTER -> 1;
};
long timeoutMinutes =
@@ -150,6 +151,7 @@ public class ProcessExecutor {
.getProcessExecutor()
.getTimeoutMinutes()
.getOcrMyPdfTimeoutMinutes();
case CFF_CONVERTER -> 5L;
};
return new ProcessExecutor(semaphoreLimit, liveUpdates, timeoutMinutes);
});
@@ -302,7 +304,8 @@ public class ProcessExecutor {
TESSERACT,
QPDF,
GHOSTSCRIPT,
OCR_MY_PDF
OCR_MY_PDF,
CFF_CONVERTER
}
@Setter
@@ -78,6 +78,23 @@ class JobExecutorServiceTest {
verify(request).setAttribute(eq("jobId"), anyString());
}
@Test
void shouldExposeJobIdInJobContextDuringSyncExecution() throws Exception {
// Given
Supplier<Object> work = stirling.software.common.util.JobContext::getJobId;
// When
ResponseEntity<?> response = jobExecutorService.runJobGeneric(false, work);
// Then
assertEquals(HttpStatus.OK, response.getStatusCode());
assertNotNull(response.getBody());
var requestJobIdCaptor = ArgumentCaptor.forClass(String.class);
verify(request).setAttribute(eq("jobId"), requestJobIdCaptor.capture());
assertEquals(requestJobIdCaptor.getValue(), response.getBody());
}
@Test
void shouldRunAsyncJobSuccessfully() throws Exception {
// Given
@@ -196,9 +196,9 @@ public class StampController {
resourceDir =
switch (alphabet) {
case "arabic" -> "static/fonts/NotoSansArabic-Regular.ttf";
case "japanese" -> "static/fonts/Meiryo.ttf";
case "korean" -> "static/fonts/malgun.ttf";
case "chinese" -> "static/fonts/SimSun.ttf";
case "japanese" -> "static/fonts/NotoSansJP-Regular.ttf";
case "korean" -> "static/fonts/NotoSansKR-Regular.ttf";
case "chinese" -> "static/fonts/NotoSansSC-Regular.ttf";
case "thai" -> "static/fonts/NotoSansThai-Regular.ttf";
case "roman" -> "static/fonts/NotoSans-Regular.ttf";
default -> "static/fonts/NotoSans-Regular.ttf";
@@ -171,9 +171,9 @@ public class WatermarkController {
resourceDir =
switch (alphabet) {
case "arabic" -> "static/fonts/NotoSansArabic-Regular.ttf";
case "japanese" -> "static/fonts/Meiryo.ttf";
case "korean" -> "static/fonts/malgun.ttf";
case "chinese" -> "static/fonts/SimSun.ttf";
case "japanese" -> "static/fonts/NotoSansJP-Regular.ttf";
case "korean" -> "static/fonts/NotoSansKR-Regular.ttf";
case "chinese" -> "static/fonts/NotoSansSC-Regular.ttf";
case "thai" -> "static/fonts/NotoSansThai-Regular.ttf";
default -> "static/fonts/NotoSans-Regular.ttf";
};
@@ -5,6 +5,7 @@ import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.DeleteMapping;
@@ -24,6 +25,7 @@ import lombok.extern.slf4j.Slf4j;
import stirling.software.common.model.job.JobResult;
import stirling.software.common.model.job.ResultFile;
import stirling.software.common.service.FileStorage;
import stirling.software.common.service.JobOwnershipService;
import stirling.software.common.service.JobQueue;
import stirling.software.common.service.TaskManager;
import stirling.software.common.util.RegexPatternUtils;
@@ -41,6 +43,9 @@ public class JobController {
private final JobQueue jobQueue;
private final HttpServletRequest request;
@Autowired(required = false)
private JobOwnershipService jobOwnershipService;
/**
* Get the status of a job
*
@@ -50,6 +55,13 @@ public class JobController {
@GetMapping("/job/{jobId}")
@Operation(summary = "Get job status")
public ResponseEntity<?> getJobStatus(@PathVariable("jobId") String jobId) {
// Validate job ownership
if (!validateJobAccess(jobId)) {
log.warn("Unauthorized attempt to access job status: {}", jobId);
return ResponseEntity.status(403)
.body(Map.of("message", "You are not authorized to access this job"));
}
JobResult result = taskManager.getJobResult(jobId);
if (result == null) {
return ResponseEntity.notFound().build();
@@ -79,6 +91,13 @@ public class JobController {
@GetMapping("/job/{jobId}/result")
@Operation(summary = "Get job result")
public ResponseEntity<?> getJobResult(@PathVariable("jobId") String jobId) {
// Validate job ownership
if (!validateJobAccess(jobId)) {
log.warn("Unauthorized attempt to access job result: {}", jobId);
return ResponseEntity.status(403)
.body(Map.of("message", "You are not authorized to access this job"));
}
JobResult result = taskManager.getJobResult(jobId);
if (result == null) {
return ResponseEntity.notFound().build();
@@ -144,13 +163,8 @@ public class JobController {
public ResponseEntity<?> cancelJob(@PathVariable("jobId") String jobId) {
log.debug("Request to cancel job: {}", jobId);
// Verify that this job belongs to the current user
// We can use the current request's session to validate ownership
Object sessionJobIds = request.getSession().getAttribute("userJobIds");
if (sessionJobIds == null
|| !(sessionJobIds instanceof java.util.Set)
|| !((java.util.Set<?>) sessionJobIds).contains(jobId)) {
// Either no jobs in session or jobId doesn't match user's jobs
// Validate job ownership
if (!validateJobAccess(jobId)) {
log.warn("Unauthorized attempt to cancel job: {}", jobId);
return ResponseEntity.status(403)
.body(Map.of("message", "You are not authorized to cancel this job"));
@@ -210,6 +224,13 @@ public class JobController {
@GetMapping("/job/{jobId}/result/files")
@Operation(summary = "Get job result files")
public ResponseEntity<?> getJobFiles(@PathVariable("jobId") String jobId) {
// Validate job ownership
if (!validateJobAccess(jobId)) {
log.warn("Unauthorized attempt to access job files: {}", jobId);
return ResponseEntity.status(403)
.body(Map.of("message", "You are not authorized to access this job"));
}
JobResult result = taskManager.getJobResult(jobId);
if (result == null) {
return ResponseEntity.notFound().build();
@@ -330,4 +351,26 @@ public class JobController {
return "attachment; filename=\"" + fileName + "\"";
}
}
/**
* Validate that the current user has access to the given job.
*
* @param jobId the job identifier to validate
* @return true if user has access, false otherwise
*/
private boolean validateJobAccess(String jobId) {
// If JobOwnershipService is available (security enabled), use it
if (jobOwnershipService != null) {
try {
return jobOwnershipService.validateJobAccess(jobId);
} catch (SecurityException e) {
log.warn("Job ownership validation failed for jobId {}: {}", jobId, e.getMessage());
return false;
}
}
// Security disabled - allow all access (backwards compatibility)
// When security is not enabled, any user can access any job by jobId
return true;
}
}
@@ -1,5 +1,6 @@
multipart.enabled=true
logging.level.org.springframework=WARN
logging.level.org.springframework.security=WARN
logging.level.org.hibernate=WARN
logging.level.org.eclipse.jetty=WARN
#logging.level.org.springframework.security.oauth2=DEBUG
@@ -7,6 +8,9 @@ logging.level.org.eclipse.jetty=WARN
#logging.level.org.opensaml=DEBUG
#logging.level.stirling.software.proprietary.security=DEBUG
logging.level.com.zaxxer.hikari=WARN
logging.level.stirling.software.SPDF.service.PdfJsonConversionService=INFO
logging.level.stirling.software.common.service.JobExecutorService=INFO
logging.level.stirling.software.common.service.TaskManager=INFO
spring.jpa.open-in-view=false
server.forward-headers-strategy=NATIVE
server.error.path=/error
@@ -174,6 +174,23 @@ system:
databaseBackup:
cron: '0 0 0 * * ?' # Cron expression for automatic database backups "0 0 0 * * ?" daily at midnight
stirling:
pdf:
fallback-font: classpath:/static/fonts/NotoSans-Regular.ttf # Override to point at a custom fallback font
json:
font-normalization:
enabled: false # IMPORTANT: Disable to preserve ToUnicode CMaps for correct font rendering. Ghostscript strips Unicode mappings from CID fonts.
cff-converter:
enabled: true # Wrap CFF/Type1C fonts as OpenType-CFF for browser compatibility
method: python # Converter method: 'python' (fontTools, recommended - wraps as OTF), 'fontforge' (legacy - converts to TTF, may hang on CID fonts)
python-command: /opt/venv/bin/python3 # Python interpreter path
python-script: /scripts/convert_cff_to_ttf.py # Path to font wrapping script
fontforge-command: fontforge # Override if FontForge is installed under a different name/path
type3:
library:
enabled: true # Match common Type3 fonts against the built-in library of converted programs
index: classpath:/type3/library/index.json # Override to point at a custom index.json (supports http:, file:, classpath:)
ui:
appNameNavbar: '' # name displayed on the navigation bar
logoStyle: classic # Options: 'classic' (default - classic S icon) or 'modern' (minimalist logo)
Binary file not shown.
Binary file not shown.
@@ -0,0 +1,592 @@
[
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "1867"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "1888"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "2029"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "2069"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "2089"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "2116"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSansMono",
"encoding": "2174"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans-Oblique",
"encoding": "2192"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "2209"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "Cmsy10",
"encoding": "2228"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "STIXSizeThreeSym-Regular",
"encoding": "2233"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSansDisplay",
"encoding": "2239"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4403"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4438"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4519"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4685"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4733"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4782"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4813"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4834"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSansMono",
"encoding": "4878"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4906"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4929"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "4971"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5001"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5030"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5052"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5083"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5116"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5143"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5175"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5207"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "DejaVuSans",
"encoding": "5243"
},
{
"source": "01_Matplotlib.pdf",
"fontName": "Cmr10",
"encoding": "5263"
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